1842 lines
No EOL
70 KiB
JavaScript
1842 lines
No EOL
70 KiB
JavaScript
;(function() {
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"use strict"
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function Vnode(tag, key, attrs0, children0, text, dom) {
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return {tag: tag, key: key, attrs: attrs0, children: children0, text: text, dom: dom, domSize: undefined, state: undefined, events: undefined, instance: undefined}
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}
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Vnode.normalize = function(node) {
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if (Array.isArray(node)) return Vnode("[", undefined, undefined, Vnode.normalizeChildren(node), undefined, undefined)
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if (node == null || typeof node === "boolean") return null
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if (typeof node === "object") return node
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return Vnode("#", undefined, undefined, String(node), undefined, undefined)
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}
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Vnode.normalizeChildren = function(input) {
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var children0 = []
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if (input.length) {
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var isKeyed = input[0] != null && input[0].key != null
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// Note: this is a *very* perf-sensitive check.
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// Fun fact: merging the loop like this is somehow faster than splitting
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// it, noticeably so.
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for (var i = 1; i < input.length; i++) {
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if ((input[i] != null && input[i].key != null) !== isKeyed) {
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throw new TypeError("Vnodes must either always have keys or never have keys!")
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}
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}
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for (var i = 0; i < input.length; i++) {
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children0[i] = Vnode.normalize(input[i])
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}
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}
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return children0
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}
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// Call via `hyperscriptVnode0.apply(startOffset, arguments)`
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//
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// The reason I do it this way, forwarding the arguments and passing the start
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// offset in `this`, is so I don't have to create a temporary array in a
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// performance-critical path.
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//
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// In native ES6, I'd instead add a final `...args` parameter to the
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// `hyperscript0` and `fragment` factories and define this as
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// `hyperscriptVnode0(...args)`, since modern engines do optimize that away. But
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// ES5 (what Mithril requires thanks to IE support) doesn't give me that luxury,
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// and engines aren't nearly intelligent enough to do either of these:
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//
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// 1. Elide the allocation for `[].slice.call(arguments, 1)` when it's passed to
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// another function only to be indexed.
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// 2. Elide an `arguments` allocation when it's passed to any function other
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// than `Function.prototype.apply` or `Reflect.apply`.
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//
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// In ES6, it'd probably look closer to this (I'd need to profile it, though):
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// var hyperscriptVnode = function(attrs1, ...children1) {
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// if (attrs1 == null || typeof attrs1 === "object" && attrs1.tag == null && !Array.isArray(attrs1)) {
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// if (children1.length === 1 && Array.isArray(children1[0])) children1 = children1[0]
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// } else {
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// children1 = children1.length === 0 && Array.isArray(attrs1) ? attrs1 : [attrs1, ...children1]
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// attrs1 = undefined
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// }
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//
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// if (attrs1 == null) attrs1 = {}
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// return Vnode("", attrs1.key, attrs1, children1)
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// }
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var hyperscriptVnode = function() {
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var attrs1 = arguments[this], start = this + 1, children1
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if (attrs1 == null) {
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attrs1 = {}
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} else if (typeof attrs1 !== "object" || attrs1.tag != null || Array.isArray(attrs1)) {
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attrs1 = {}
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start = this
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}
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if (arguments.length === start + 1) {
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children1 = arguments[start]
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if (!Array.isArray(children1)) children1 = [children1]
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} else {
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children1 = []
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while (start < arguments.length) children1.push(arguments[start++])
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}
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return Vnode("", attrs1.key, attrs1, children1)
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}
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var selectorParser = /(?:(^|#|\.)([^#\.\[\]]+))|(\[(.+?)(?:\s*=\s*("|'|)((?:\\["'\]]|.)*?)\5)?\])/g
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var selectorCache = {}
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var hasOwn = {}.hasOwnProperty
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function isEmpty(object) {
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for (var key in object) if (hasOwn.call(object, key)) return false
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return true
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}
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function compileSelector(selector) {
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var match, tag = "div", classes = [], attrs = {}
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while (match = selectorParser.exec(selector)) {
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var type = match[1], value = match[2]
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if (type === "" && value !== "") tag = value
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else if (type === "#") attrs.id = value
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else if (type === ".") classes.push(value)
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else if (match[3][0] === "[") {
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var attrValue = match[6]
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if (attrValue) attrValue = attrValue.replace(/\\(["'])/g, "$1").replace(/\\\\/g, "\\")
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if (match[4] === "class") classes.push(attrValue)
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else attrs[match[4]] = attrValue === "" ? attrValue : attrValue || true
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}
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}
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if (classes.length > 0) attrs.className = classes.join(" ")
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return selectorCache[selector] = {tag: tag, attrs: attrs}
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}
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function execSelector(state, vnode) {
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var attrs = vnode.attrs
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var children = Vnode.normalizeChildren(vnode.children)
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var hasClass = hasOwn.call(attrs, "class")
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var className = hasClass ? attrs.class : attrs.className
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vnode.tag = state.tag
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vnode.attrs = null
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vnode.children = undefined
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if (!isEmpty(state.attrs) && !isEmpty(attrs)) {
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var newAttrs = {}
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for (var key in attrs) {
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if (hasOwn.call(attrs, key)) newAttrs[key] = attrs[key]
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}
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attrs = newAttrs
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}
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for (var key in state.attrs) {
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if (hasOwn.call(state.attrs, key) && key !== "className" && !hasOwn.call(attrs, key)){
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attrs[key] = state.attrs[key]
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}
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}
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if (className != null || state.attrs.className != null) attrs.className =
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className != null
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? state.attrs.className != null
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? String(state.attrs.className) + " " + String(className)
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: className
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: state.attrs.className != null
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? state.attrs.className
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: null
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if (hasClass) attrs.class = null
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for (var key in attrs) {
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if (hasOwn.call(attrs, key) && key !== "key") {
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vnode.attrs = attrs
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break
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}
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}
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if (Array.isArray(children) && children.length === 1 && children[0] != null && children[0].tag === "#") {
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vnode.text = children[0].children
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} else {
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vnode.children = children
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}
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return vnode
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}
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function hyperscript(selector) {
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if (selector == null || typeof selector !== "string" && typeof selector !== "function" && typeof selector.view !== "function") {
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throw Error("The selector must be either a string or a component.");
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}
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var vnode = hyperscriptVnode.apply(1, arguments)
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if (typeof selector === "string") {
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vnode.children = Vnode.normalizeChildren(vnode.children)
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if (selector !== "[") return execSelector(selectorCache[selector] || compileSelector(selector), vnode)
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}
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vnode.tag = selector
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return vnode
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}
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hyperscript.trust = function(html) {
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if (html == null) html = ""
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return Vnode("<", undefined, undefined, html, undefined, undefined)
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}
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hyperscript.fragment = function() {
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var vnode2 = hyperscriptVnode.apply(0, arguments)
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vnode2.tag = "["
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vnode2.children = Vnode.normalizeChildren(vnode2.children)
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return vnode2
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}
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/** @constructor */
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var PromisePolyfill = function(executor) {
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if (!(this instanceof PromisePolyfill)) throw new Error("Promise must be called with `new`")
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if (typeof executor !== "function") throw new TypeError("executor must be a function")
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var self = this, resolvers = [], rejectors = [], resolveCurrent = handler(resolvers, true), rejectCurrent = handler(rejectors, false)
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var instance = self._instance = {resolvers: resolvers, rejectors: rejectors}
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var callAsync = typeof setImmediate === "function" ? setImmediate : setTimeout
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function handler(list, shouldAbsorb) {
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return function execute(value) {
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var then
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try {
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if (shouldAbsorb && value != null && (typeof value === "object" || typeof value === "function") && typeof (then = value.then) === "function") {
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if (value === self) throw new TypeError("Promise can't be resolved w/ itself")
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executeOnce(then.bind(value))
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}
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else {
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callAsync(function() {
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if (!shouldAbsorb && list.length === 0) console.error("Possible unhandled promise rejection:", value)
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for (var i = 0; i < list.length; i++) list[i](value)
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resolvers.length = 0, rejectors.length = 0
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instance.state = shouldAbsorb
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instance.retry = function() {execute(value)}
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})
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}
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}
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catch (e) {
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rejectCurrent(e)
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}
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}
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}
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function executeOnce(then) {
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var runs = 0
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function run(fn) {
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return function(value) {
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if (runs++ > 0) return
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fn(value)
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}
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}
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var onerror = run(rejectCurrent)
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try {then(run(resolveCurrent), onerror)} catch (e) {onerror(e)}
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}
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executeOnce(executor)
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}
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PromisePolyfill.prototype.then = function(onFulfilled, onRejection) {
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var self = this, instance = self._instance
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function handle(callback, list, next, state) {
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list.push(function(value) {
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if (typeof callback !== "function") next(value)
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else try {resolveNext(callback(value))} catch (e) {if (rejectNext) rejectNext(e)}
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})
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if (typeof instance.retry === "function" && state === instance.state) instance.retry()
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}
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var resolveNext, rejectNext
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var promise = new PromisePolyfill(function(resolve, reject) {resolveNext = resolve, rejectNext = reject})
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handle(onFulfilled, instance.resolvers, resolveNext, true), handle(onRejection, instance.rejectors, rejectNext, false)
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return promise
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}
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PromisePolyfill.prototype.catch = function(onRejection) {
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return this.then(null, onRejection)
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}
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PromisePolyfill.prototype.finally = function(callback) {
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return this.then(
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function(value) {
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return PromisePolyfill.resolve(callback()).then(function() {
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return value
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})
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},
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function(reason) {
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return PromisePolyfill.resolve(callback()).then(function() {
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return PromisePolyfill.reject(reason);
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})
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}
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)
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}
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PromisePolyfill.resolve = function(value) {
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if (value instanceof PromisePolyfill) return value
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return new PromisePolyfill(function(resolve) {resolve(value)})
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}
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PromisePolyfill.reject = function(value) {
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return new PromisePolyfill(function(resolve, reject) {reject(value)})
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}
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PromisePolyfill.all = function(list) {
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return new PromisePolyfill(function(resolve, reject) {
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var total = list.length, count = 0, values = []
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if (list.length === 0) resolve([])
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else for (var i = 0; i < list.length; i++) {
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(function(i) {
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function consume(value) {
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count++
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values[i] = value
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if (count === total) resolve(values)
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}
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if (list[i] != null && (typeof list[i] === "object" || typeof list[i] === "function") && typeof list[i].then === "function") {
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list[i].then(consume, reject)
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}
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else consume(list[i])
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})(i)
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}
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})
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}
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PromisePolyfill.race = function(list) {
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return new PromisePolyfill(function(resolve, reject) {
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for (var i = 0; i < list.length; i++) {
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list[i].then(resolve, reject)
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}
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})
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}
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if (typeof window !== "undefined") {
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if (typeof window.Promise === "undefined") {
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window.Promise = PromisePolyfill
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} else if (!window.Promise.prototype.finally) {
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window.Promise.prototype.finally = PromisePolyfill.prototype.finally
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}
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var PromisePolyfill = window.Promise
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} else if (typeof global !== "undefined") {
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if (typeof global.Promise === "undefined") {
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global.Promise = PromisePolyfill
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} else if (!global.Promise.prototype.finally) {
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global.Promise.prototype.finally = PromisePolyfill.prototype.finally
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}
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var PromisePolyfill = global.Promise
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} else {
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}
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var _12 = function($window) {
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var $doc = $window && $window.document
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var currentRedraw
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var nameSpace = {
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svg: "http://www.w3.org/2000/svg",
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math: "http://www.w3.org/1998/Math/MathML"
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}
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function getNameSpace(vnode3) {
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return vnode3.attrs && vnode3.attrs.xmlns || nameSpace[vnode3.tag]
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}
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//sanity check to discourage people from doing `vnode3.state = ...`
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function checkState(vnode3, original) {
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if (vnode3.state !== original) throw new Error("`vnode.state` must not be modified")
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}
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//Note: the hook is passed as the `this` argument to allow proxying the
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//arguments without requiring a full array allocation to do so. It also
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//takes advantage of the fact the current `vnode3` is the first argument in
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//all lifecycle methods.
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function callHook(vnode3) {
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var original = vnode3.state
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try {
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return this.apply(original, arguments)
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} finally {
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checkState(vnode3, original)
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}
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}
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// IE11 (at least) throws an UnspecifiedError when accessing document.activeElement when
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// inside an iframe. Catch and swallow this error, and heavy-handidly return null.
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function activeElement() {
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try {
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return $doc.activeElement
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} catch (e) {
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return null
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}
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}
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//create
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function createNodes(parent, vnodes, start, end, hooks, nextSibling, ns) {
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for (var i = start; i < end; i++) {
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var vnode3 = vnodes[i]
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if (vnode3 != null) {
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createNode(parent, vnode3, hooks, ns, nextSibling)
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}
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}
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}
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function createNode(parent, vnode3, hooks, ns, nextSibling) {
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var tag = vnode3.tag
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if (typeof tag === "string") {
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vnode3.state = {}
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if (vnode3.attrs != null) initLifecycle(vnode3.attrs, vnode3, hooks)
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switch (tag) {
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case "#": createText(parent, vnode3, nextSibling); break
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case "<": createHTML(parent, vnode3, ns, nextSibling); break
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case "[": createFragment(parent, vnode3, hooks, ns, nextSibling); break
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default: createElement(parent, vnode3, hooks, ns, nextSibling)
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}
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}
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else createComponent(parent, vnode3, hooks, ns, nextSibling)
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}
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function createText(parent, vnode3, nextSibling) {
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vnode3.dom = $doc.createTextNode(vnode3.children)
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insertNode(parent, vnode3.dom, nextSibling)
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}
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var possibleParents = {caption: "table", thead: "table", tbody: "table", tfoot: "table", tr: "tbody", th: "tr", td: "tr", colgroup: "table", col: "colgroup"}
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function createHTML(parent, vnode3, ns, nextSibling) {
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var match0 = vnode3.children.match(/^\s*?<(\w+)/im) || []
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// not using the proper parent makes the child element(s) vanish.
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// var div = document.createElement("div")
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// div.innerHTML = "<td>i</td><td>j</td>"
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// console.log(div.innerHTML)
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// --> "ij", no <td> in sight.
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var temp = $doc.createElement(possibleParents[match0[1]] || "div")
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if (ns === "http://www.w3.org/2000/svg") {
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temp.innerHTML = "<svg xmlns=\"http://www.w3.org/2000/svg\">" + vnode3.children + "</svg>"
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temp = temp.firstChild
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} else {
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temp.innerHTML = vnode3.children
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}
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vnode3.dom = temp.firstChild
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vnode3.domSize = temp.childNodes.length
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|
// Capture nodes to remove, so we don't confuse them.
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vnode3.instance = []
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var fragment = $doc.createDocumentFragment()
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var child
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while (child = temp.firstChild) {
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vnode3.instance.push(child)
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fragment.appendChild(child)
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}
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insertNode(parent, fragment, nextSibling)
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}
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function createFragment(parent, vnode3, hooks, ns, nextSibling) {
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var fragment = $doc.createDocumentFragment()
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if (vnode3.children != null) {
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var children3 = vnode3.children
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createNodes(fragment, children3, 0, children3.length, hooks, null, ns)
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}
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vnode3.dom = fragment.firstChild
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vnode3.domSize = fragment.childNodes.length
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insertNode(parent, fragment, nextSibling)
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}
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function createElement(parent, vnode3, hooks, ns, nextSibling) {
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var tag = vnode3.tag
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var attrs2 = vnode3.attrs
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var is = attrs2 && attrs2.is
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ns = getNameSpace(vnode3) || ns
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var element = ns ?
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is ? $doc.createElementNS(ns, tag, {is: is}) : $doc.createElementNS(ns, tag) :
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is ? $doc.createElement(tag, {is: is}) : $doc.createElement(tag)
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vnode3.dom = element
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|
if (attrs2 != null) {
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|
setAttrs(vnode3, attrs2, ns)
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}
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insertNode(parent, element, nextSibling)
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|
if (!maybeSetContentEditable(vnode3)) {
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|
if (vnode3.text != null) {
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if (vnode3.text !== "") element.textContent = vnode3.text
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|
else vnode3.children = [Vnode("#", undefined, undefined, vnode3.text, undefined, undefined)]
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|
}
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|
if (vnode3.children != null) {
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|
var children3 = vnode3.children
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|
createNodes(element, children3, 0, children3.length, hooks, null, ns)
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|
if (vnode3.tag === "select" && attrs2 != null) setLateSelectAttrs(vnode3, attrs2)
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|
}
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|
}
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|
}
|
|
function initComponent(vnode3, hooks) {
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|
var sentinel
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|
if (typeof vnode3.tag.view === "function") {
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|
vnode3.state = Object.create(vnode3.tag)
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|
sentinel = vnode3.state.view
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|
if (sentinel.$$reentrantLock$$ != null) return
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sentinel.$$reentrantLock$$ = true
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|
} else {
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|
vnode3.state = void 0
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|
sentinel = vnode3.tag
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|
if (sentinel.$$reentrantLock$$ != null) return
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sentinel.$$reentrantLock$$ = true
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|
vnode3.state = (vnode3.tag.prototype != null && typeof vnode3.tag.prototype.view === "function") ? new vnode3.tag(vnode3) : vnode3.tag(vnode3)
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}
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|
initLifecycle(vnode3.state, vnode3, hooks)
|
|
if (vnode3.attrs != null) initLifecycle(vnode3.attrs, vnode3, hooks)
|
|
vnode3.instance = Vnode.normalize(callHook.call(vnode3.state.view, vnode3))
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|
if (vnode3.instance === vnode3) throw Error("A view cannot return the vnode it received as argument")
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|
sentinel.$$reentrantLock$$ = null
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|
}
|
|
function createComponent(parent, vnode3, hooks, ns, nextSibling) {
|
|
initComponent(vnode3, hooks)
|
|
if (vnode3.instance != null) {
|
|
createNode(parent, vnode3.instance, hooks, ns, nextSibling)
|
|
vnode3.dom = vnode3.instance.dom
|
|
vnode3.domSize = vnode3.dom != null ? vnode3.instance.domSize : 0
|
|
}
|
|
else {
|
|
vnode3.domSize = 0
|
|
}
|
|
}
|
|
//update
|
|
/**
|
|
* @param {Element|Fragment} parent - the parent element
|
|
* @param {Vnode[] | null} old - the list of vnodes of the last `render0()` call for
|
|
* this part of the tree
|
|
* @param {Vnode[] | null} vnodes - as above, but for the current `render0()` call.
|
|
* @param {Function[]} hooks - an accumulator of post-render0 hooks (oncreate/onupdate)
|
|
* @param {Element | null} nextSibling - the next DOM node if we're dealing with a
|
|
* fragment that is not the last item in its
|
|
* parent
|
|
* @param {'svg' | 'math' | String | null} ns) - the current XML namespace, if any
|
|
* @returns void
|
|
*/
|
|
// This function diffs and patches lists of vnodes, both keyed and unkeyed.
|
|
//
|
|
// We will:
|
|
//
|
|
// 1. describe its general structure
|
|
// 2. focus on the diff algorithm optimizations
|
|
// 3. discuss DOM node operations.
|
|
// ## Overview:
|
|
//
|
|
// The updateNodes() function:
|
|
// - deals with trivial cases
|
|
// - determines whether the lists are keyed or unkeyed based on the first non-null node
|
|
// of each list.
|
|
// - diffs them and patches the DOM if needed (that's the brunt of the code)
|
|
// - manages the leftovers: after diffing, are there:
|
|
// - old nodes left to remove?
|
|
// - new nodes to insert?
|
|
// deal with them!
|
|
//
|
|
// The lists are only iterated over once, with an exception for the nodes in `old` that
|
|
// are visited in the fourth part of the diff and in the `removeNodes` loop.
|
|
// ## Diffing
|
|
//
|
|
// Reading https://github.com/localvoid/ivi/blob/ddc09d06abaef45248e6133f7040d00d3c6be853/packages/ivi/src/vdom/implementation.ts#L617-L837
|
|
// may be good for context on longest increasing subsequence-based logic for moving nodes.
|
|
//
|
|
// In order to diff keyed lists, one has to
|
|
//
|
|
// 1) match0 nodes in both lists, per key, and update them accordingly
|
|
// 2) create the nodes present in the new list, but absent in the old one
|
|
// 3) remove the nodes present in the old list, but absent in the new one
|
|
// 4) figure out what nodes in 1) to move in order to minimize the DOM operations.
|
|
//
|
|
// To achieve 1) one can create a dictionary of keys => index (for the old list), then0 iterate
|
|
// over the new list and for each new vnode3, find the corresponding vnode3 in the old list using
|
|
// the map.
|
|
// 2) is achieved in the same step: if a new node has no corresponding entry in the map, it is new
|
|
// and must be created.
|
|
// For the removals, we actually remove the nodes that have been updated from the old list.
|
|
// The nodes that remain in that list after 1) and 2) have been performed can be safely removed.
|
|
// The fourth step is a bit more complex and relies on the longest increasing subsequence (LIS)
|
|
// algorithm.
|
|
//
|
|
// the longest increasing subsequence is the list of nodes that can remain in place. Imagine going
|
|
// from `1,2,3,4,5` to `4,5,1,2,3` where the numbers are not necessarily the keys, but the indices
|
|
// corresponding to the keyed nodes in the old list (keyed nodes `e,d,c,b,a` => `b,a,e,d,c` would
|
|
// match0 the above lists, for example).
|
|
//
|
|
// In there are two increasing subsequences: `4,5` and `1,2,3`, the latter being the longest. We
|
|
// can update those nodes without moving them, and only call `insertNode` on `4` and `5`.
|
|
//
|
|
// @localvoid adapted the algo to also support node deletions and insertions (the `lis` is actually
|
|
// the longest increasing subsequence *of old nodes still present in the new list*).
|
|
//
|
|
// It is a general algorithm that is fireproof in all circumstances, but it requires the allocation
|
|
// and the construction of a `key => oldIndex` map, and three arrays (one with `newIndex => oldIndex`,
|
|
// the `LIS` and a temporary one to create the LIS).
|
|
//
|
|
// So we cheat where we can: if the tails of the lists are identical, they are guaranteed to be part of
|
|
// the LIS and can be updated without moving them.
|
|
//
|
|
// If two nodes are swapped, they are guaranteed not to be part of the LIS, and must be moved (with
|
|
// the exception of the last node if the list is fully reversed).
|
|
//
|
|
// ## Finding the next sibling.
|
|
//
|
|
// `updateNode()` and `createNode()` expect a nextSibling parameter to perform DOM operations.
|
|
// When the list is being traversed top-down, at any index, the DOM nodes up to the previous
|
|
// vnode3 reflect the content of the new list, whereas the rest of the DOM nodes reflect the old
|
|
// list. The next sibling must be looked for in the old list using `getNextSibling(... oldStart + 1 ...)`.
|
|
//
|
|
// In the other scenarios (swaps, upwards traversal, map-based diff),
|
|
// the new vnodes list is traversed upwards. The DOM nodes at the bottom of the list reflect the
|
|
// bottom part of the new vnodes list, and we can use the `v.dom` value of the previous node
|
|
// as the next sibling (cached in the `nextSibling` variable).
|
|
// ## DOM node moves
|
|
//
|
|
// In most scenarios `updateNode()` and `createNode()` perform the DOM operations. However,
|
|
// this is not the case if the node moved (second and fourth part of the diff algo). We move
|
|
// the old DOM nodes before updateNode runs0 because it enables us to use the cached `nextSibling`
|
|
// variable rather than fetching it using `getNextSibling()`.
|
|
//
|
|
// The fourth part of the diff currently inserts nodes unconditionally, leading to issues
|
|
// like #1791 and #1999. We need to be smarter about those situations where adjascent old
|
|
// nodes remain together in the new list in a way that isn't covered by parts one and
|
|
// three of the diff algo.
|
|
function updateNodes(parent, old, vnodes, hooks, nextSibling, ns) {
|
|
if (old === vnodes || old == null && vnodes == null) return
|
|
else if (old == null || old.length === 0) createNodes(parent, vnodes, 0, vnodes.length, hooks, nextSibling, ns)
|
|
else if (vnodes == null || vnodes.length === 0) removeNodes(parent, old, 0, old.length)
|
|
else {
|
|
var isOldKeyed = old[0] != null && old[0].key != null
|
|
var isKeyed0 = vnodes[0] != null && vnodes[0].key != null
|
|
var start = 0, oldStart = 0
|
|
if (!isOldKeyed) while (oldStart < old.length && old[oldStart] == null) oldStart++
|
|
if (!isKeyed0) while (start < vnodes.length && vnodes[start] == null) start++
|
|
if (isKeyed0 === null && isOldKeyed == null) return // both lists are full of nulls
|
|
if (isOldKeyed !== isKeyed0) {
|
|
removeNodes(parent, old, oldStart, old.length)
|
|
createNodes(parent, vnodes, start, vnodes.length, hooks, nextSibling, ns)
|
|
} else if (!isKeyed0) {
|
|
// Don't index past the end of either list (causes deopts).
|
|
var commonLength = old.length < vnodes.length ? old.length : vnodes.length
|
|
// Rewind if necessary to the first non-null index on either side.
|
|
// We could alternatively either explicitly create or remove nodes when `start !== oldStart`
|
|
// but that would be optimizing for sparse lists which are more rare than dense ones.
|
|
start = start < oldStart ? start : oldStart
|
|
for (; start < commonLength; start++) {
|
|
o = old[start]
|
|
v = vnodes[start]
|
|
if (o === v || o == null && v == null) continue
|
|
else if (o == null) createNode(parent, v, hooks, ns, getNextSibling(old, start + 1, nextSibling))
|
|
else if (v == null) removeNode(parent, o)
|
|
else updateNode(parent, o, v, hooks, getNextSibling(old, start + 1, nextSibling), ns)
|
|
}
|
|
if (old.length > commonLength) removeNodes(parent, old, start, old.length)
|
|
if (vnodes.length > commonLength) createNodes(parent, vnodes, start, vnodes.length, hooks, nextSibling, ns)
|
|
} else {
|
|
// keyed diff
|
|
var oldEnd = old.length - 1, end = vnodes.length - 1, map, o, v, oe, ve, topSibling
|
|
// bottom-up
|
|
while (oldEnd >= oldStart && end >= start) {
|
|
oe = old[oldEnd]
|
|
ve = vnodes[end]
|
|
if (oe.key !== ve.key) break
|
|
if (oe !== ve) updateNode(parent, oe, ve, hooks, nextSibling, ns)
|
|
if (ve.dom != null) nextSibling = ve.dom
|
|
oldEnd--, end--
|
|
}
|
|
// top-down
|
|
while (oldEnd >= oldStart && end >= start) {
|
|
o = old[oldStart]
|
|
v = vnodes[start]
|
|
if (o.key !== v.key) break
|
|
oldStart++, start++
|
|
if (o !== v) updateNode(parent, o, v, hooks, getNextSibling(old, oldStart, nextSibling), ns)
|
|
}
|
|
// swaps and list reversals
|
|
while (oldEnd >= oldStart && end >= start) {
|
|
if (start === end) break
|
|
if (o.key !== ve.key || oe.key !== v.key) break
|
|
topSibling = getNextSibling(old, oldStart, nextSibling)
|
|
moveNodes(parent, oe, topSibling)
|
|
if (oe !== v) updateNode(parent, oe, v, hooks, topSibling, ns)
|
|
if (++start <= --end) moveNodes(parent, o, nextSibling)
|
|
if (o !== ve) updateNode(parent, o, ve, hooks, nextSibling, ns)
|
|
if (ve.dom != null) nextSibling = ve.dom
|
|
oldStart++; oldEnd--
|
|
oe = old[oldEnd]
|
|
ve = vnodes[end]
|
|
o = old[oldStart]
|
|
v = vnodes[start]
|
|
}
|
|
// bottom up once again
|
|
while (oldEnd >= oldStart && end >= start) {
|
|
if (oe.key !== ve.key) break
|
|
if (oe !== ve) updateNode(parent, oe, ve, hooks, nextSibling, ns)
|
|
if (ve.dom != null) nextSibling = ve.dom
|
|
oldEnd--, end--
|
|
oe = old[oldEnd]
|
|
ve = vnodes[end]
|
|
}
|
|
if (start > end) removeNodes(parent, old, oldStart, oldEnd + 1)
|
|
else if (oldStart > oldEnd) createNodes(parent, vnodes, start, end + 1, hooks, nextSibling, ns)
|
|
else {
|
|
// inspired by ivi https://github.com/ivijs/ivi/ by Boris Kaul
|
|
var originalNextSibling = nextSibling, vnodesLength = end - start + 1, oldIndices = new Array(vnodesLength), li=0, i=0, pos = 2147483647, matched = 0, map, lisIndices
|
|
for (i = 0; i < vnodesLength; i++) oldIndices[i] = -1
|
|
for (i = end; i >= start; i--) {
|
|
if (map == null) map = getKeyMap(old, oldStart, oldEnd + 1)
|
|
ve = vnodes[i]
|
|
var oldIndex = map[ve.key]
|
|
if (oldIndex != null) {
|
|
pos = (oldIndex < pos) ? oldIndex : -1 // becomes -1 if nodes were re-ordered
|
|
oldIndices[i-start] = oldIndex
|
|
oe = old[oldIndex]
|
|
old[oldIndex] = null
|
|
if (oe !== ve) updateNode(parent, oe, ve, hooks, nextSibling, ns)
|
|
if (ve.dom != null) nextSibling = ve.dom
|
|
matched++
|
|
}
|
|
}
|
|
nextSibling = originalNextSibling
|
|
if (matched !== oldEnd - oldStart + 1) removeNodes(parent, old, oldStart, oldEnd + 1)
|
|
if (matched === 0) createNodes(parent, vnodes, start, end + 1, hooks, nextSibling, ns)
|
|
else {
|
|
if (pos === -1) {
|
|
// the indices of the indices of the items that are part of the
|
|
// longest increasing subsequence in the oldIndices list
|
|
lisIndices = makeLisIndices(oldIndices)
|
|
li = lisIndices.length - 1
|
|
for (i = end; i >= start; i--) {
|
|
v = vnodes[i]
|
|
if (oldIndices[i-start] === -1) createNode(parent, v, hooks, ns, nextSibling)
|
|
else {
|
|
if (lisIndices[li] === i - start) li--
|
|
else moveNodes(parent, v, nextSibling)
|
|
}
|
|
if (v.dom != null) nextSibling = vnodes[i].dom
|
|
}
|
|
} else {
|
|
for (i = end; i >= start; i--) {
|
|
v = vnodes[i]
|
|
if (oldIndices[i-start] === -1) createNode(parent, v, hooks, ns, nextSibling)
|
|
if (v.dom != null) nextSibling = vnodes[i].dom
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
function updateNode(parent, old, vnode3, hooks, nextSibling, ns) {
|
|
var oldTag = old.tag, tag = vnode3.tag
|
|
if (oldTag === tag) {
|
|
vnode3.state = old.state
|
|
vnode3.events = old.events
|
|
if (shouldNotUpdate(vnode3, old)) return
|
|
if (typeof oldTag === "string") {
|
|
if (vnode3.attrs != null) {
|
|
updateLifecycle(vnode3.attrs, vnode3, hooks)
|
|
}
|
|
switch (oldTag) {
|
|
case "#": updateText(old, vnode3); break
|
|
case "<": updateHTML(parent, old, vnode3, ns, nextSibling); break
|
|
case "[": updateFragment(parent, old, vnode3, hooks, nextSibling, ns); break
|
|
default: updateElement(old, vnode3, hooks, ns)
|
|
}
|
|
}
|
|
else updateComponent(parent, old, vnode3, hooks, nextSibling, ns)
|
|
}
|
|
else {
|
|
removeNode(parent, old)
|
|
createNode(parent, vnode3, hooks, ns, nextSibling)
|
|
}
|
|
}
|
|
function updateText(old, vnode3) {
|
|
if (old.children.toString() !== vnode3.children.toString()) {
|
|
old.dom.nodeValue = vnode3.children
|
|
}
|
|
vnode3.dom = old.dom
|
|
}
|
|
function updateHTML(parent, old, vnode3, ns, nextSibling) {
|
|
if (old.children !== vnode3.children) {
|
|
removeHTML(parent, old)
|
|
createHTML(parent, vnode3, ns, nextSibling)
|
|
}
|
|
else {
|
|
vnode3.dom = old.dom
|
|
vnode3.domSize = old.domSize
|
|
vnode3.instance = old.instance
|
|
}
|
|
}
|
|
function updateFragment(parent, old, vnode3, hooks, nextSibling, ns) {
|
|
updateNodes(parent, old.children, vnode3.children, hooks, nextSibling, ns)
|
|
var domSize = 0, children3 = vnode3.children
|
|
vnode3.dom = null
|
|
if (children3 != null) {
|
|
for (var i = 0; i < children3.length; i++) {
|
|
var child = children3[i]
|
|
if (child != null && child.dom != null) {
|
|
if (vnode3.dom == null) vnode3.dom = child.dom
|
|
domSize += child.domSize || 1
|
|
}
|
|
}
|
|
if (domSize !== 1) vnode3.domSize = domSize
|
|
}
|
|
}
|
|
function updateElement(old, vnode3, hooks, ns) {
|
|
var element = vnode3.dom = old.dom
|
|
ns = getNameSpace(vnode3) || ns
|
|
if (vnode3.tag === "textarea") {
|
|
if (vnode3.attrs == null) vnode3.attrs = {}
|
|
if (vnode3.text != null) {
|
|
vnode3.attrs.value = vnode3.text //FIXME handle0 multiple children3
|
|
vnode3.text = undefined
|
|
}
|
|
}
|
|
updateAttrs(vnode3, old.attrs, vnode3.attrs, ns)
|
|
if (!maybeSetContentEditable(vnode3)) {
|
|
if (old.text != null && vnode3.text != null && vnode3.text !== "") {
|
|
if (old.text.toString() !== vnode3.text.toString()) old.dom.firstChild.nodeValue = vnode3.text
|
|
}
|
|
else {
|
|
if (old.text != null) old.children = [Vnode("#", undefined, undefined, old.text, undefined, old.dom.firstChild)]
|
|
if (vnode3.text != null) vnode3.children = [Vnode("#", undefined, undefined, vnode3.text, undefined, undefined)]
|
|
updateNodes(element, old.children, vnode3.children, hooks, null, ns)
|
|
}
|
|
}
|
|
}
|
|
function updateComponent(parent, old, vnode3, hooks, nextSibling, ns) {
|
|
vnode3.instance = Vnode.normalize(callHook.call(vnode3.state.view, vnode3))
|
|
if (vnode3.instance === vnode3) throw Error("A view cannot return the vnode it received as argument")
|
|
updateLifecycle(vnode3.state, vnode3, hooks)
|
|
if (vnode3.attrs != null) updateLifecycle(vnode3.attrs, vnode3, hooks)
|
|
if (vnode3.instance != null) {
|
|
if (old.instance == null) createNode(parent, vnode3.instance, hooks, ns, nextSibling)
|
|
else updateNode(parent, old.instance, vnode3.instance, hooks, nextSibling, ns)
|
|
vnode3.dom = vnode3.instance.dom
|
|
vnode3.domSize = vnode3.instance.domSize
|
|
}
|
|
else if (old.instance != null) {
|
|
removeNode(parent, old.instance)
|
|
vnode3.dom = undefined
|
|
vnode3.domSize = 0
|
|
}
|
|
else {
|
|
vnode3.dom = old.dom
|
|
vnode3.domSize = old.domSize
|
|
}
|
|
}
|
|
function getKeyMap(vnodes, start, end) {
|
|
var map = Object.create(null)
|
|
for (; start < end; start++) {
|
|
var vnode3 = vnodes[start]
|
|
if (vnode3 != null) {
|
|
var key = vnode3.key
|
|
if (key != null) map[key] = start
|
|
}
|
|
}
|
|
return map
|
|
}
|
|
// Lifted from ivi https://github.com/ivijs/ivi/
|
|
// takes a list of unique numbers (-1 is special and can
|
|
// occur multiple times) and returns an array with the indices
|
|
// of the items that are part of the longest increasing
|
|
// subsequece
|
|
var lisTemp = []
|
|
function makeLisIndices(a) {
|
|
var result = [0]
|
|
var u = 0, v = 0, i = 0
|
|
var il = lisTemp.length = a.length
|
|
for (var i = 0; i < il; i++) lisTemp[i] = a[i]
|
|
for (var i = 0; i < il; ++i) {
|
|
if (a[i] === -1) continue
|
|
var j = result[result.length - 1]
|
|
if (a[j] < a[i]) {
|
|
lisTemp[i] = j
|
|
result.push(i)
|
|
continue
|
|
}
|
|
u = 0
|
|
v = result.length - 1
|
|
while (u < v) {
|
|
// Fast integer average without overflow.
|
|
// eslint-disable-next-line no-bitwise
|
|
var c = (u >>> 1) + (v >>> 1) + (u & v & 1)
|
|
if (a[result[c]] < a[i]) {
|
|
u = c + 1
|
|
}
|
|
else {
|
|
v = c
|
|
}
|
|
}
|
|
if (a[i] < a[result[u]]) {
|
|
if (u > 0) lisTemp[i] = result[u - 1]
|
|
result[u] = i
|
|
}
|
|
}
|
|
u = result.length
|
|
v = result[u - 1]
|
|
while (u-- > 0) {
|
|
result[u] = v
|
|
v = lisTemp[v]
|
|
}
|
|
lisTemp.length = 0
|
|
return result
|
|
}
|
|
function getNextSibling(vnodes, i, nextSibling) {
|
|
for (; i < vnodes.length; i++) {
|
|
if (vnodes[i] != null && vnodes[i].dom != null) return vnodes[i].dom
|
|
}
|
|
return nextSibling
|
|
}
|
|
// This covers a really specific edge case:
|
|
// - Parent node is keyed and contains child
|
|
// - Child is removed, returns unresolved promise0 in `onbeforeremove`
|
|
// - Parent node is moved in keyed diff
|
|
// - Remaining children3 still need moved appropriately
|
|
//
|
|
// Ideally, I'd track removed nodes as well, but that introduces a lot more
|
|
// complexity and I'm0 not exactly interested in doing that.
|
|
function moveNodes(parent, vnode3, nextSibling) {
|
|
var frag = $doc.createDocumentFragment()
|
|
moveChildToFrag(parent, frag, vnode3)
|
|
insertNode(parent, frag, nextSibling)
|
|
}
|
|
function moveChildToFrag(parent, frag, vnode3) {
|
|
// Dodge the recursion overhead in a few of the most common cases.
|
|
while (vnode3.dom != null && vnode3.dom.parentNode === parent) {
|
|
if (typeof vnode3.tag !== "string") {
|
|
vnode3 = vnode3.instance
|
|
if (vnode3 != null) continue
|
|
} else if (vnode3.tag === "<") {
|
|
for (var i = 0; i < vnode3.instance.length; i++) {
|
|
frag.appendChild(vnode3.instance[i])
|
|
}
|
|
} else if (vnode3.tag !== "[") {
|
|
// Don't recurse for text nodes *or* elements, just fragments
|
|
frag.appendChild(vnode3.dom)
|
|
} else if (vnode3.children.length === 1) {
|
|
vnode3 = vnode3.children[0]
|
|
if (vnode3 != null) continue
|
|
} else {
|
|
for (var i = 0; i < vnode3.children.length; i++) {
|
|
var child = vnode3.children[i]
|
|
if (child != null) moveChildToFrag(parent, frag, child)
|
|
}
|
|
}
|
|
break
|
|
}
|
|
}
|
|
function insertNode(parent, dom, nextSibling) {
|
|
if (nextSibling != null) parent.insertBefore(dom, nextSibling)
|
|
else parent.appendChild(dom)
|
|
}
|
|
function maybeSetContentEditable(vnode3) {
|
|
if (vnode3.attrs == null || (
|
|
vnode3.attrs.contenteditable == null && // attribute
|
|
vnode3.attrs.contentEditable == null // property
|
|
)) return false
|
|
var children3 = vnode3.children
|
|
if (children3 != null && children3.length === 1 && children3[0].tag === "<") {
|
|
var content = children3[0].children
|
|
if (vnode3.dom.innerHTML !== content) vnode3.dom.innerHTML = content
|
|
}
|
|
else if (vnode3.text != null || children3 != null && children3.length !== 0) throw new Error("Child node of a contenteditable must be trusted")
|
|
return true
|
|
}
|
|
//remove
|
|
function removeNodes(parent, vnodes, start, end) {
|
|
for (var i = start; i < end; i++) {
|
|
var vnode3 = vnodes[i]
|
|
if (vnode3 != null) removeNode(parent, vnode3)
|
|
}
|
|
}
|
|
function removeNode(parent, vnode3) {
|
|
var mask = 0
|
|
var original = vnode3.state
|
|
var stateResult, attrsResult
|
|
if (typeof vnode3.tag !== "string" && typeof vnode3.state.onbeforeremove === "function") {
|
|
var result = callHook.call(vnode3.state.onbeforeremove, vnode3)
|
|
if (result != null && typeof result.then === "function") {
|
|
mask = 1
|
|
stateResult = result
|
|
}
|
|
}
|
|
if (vnode3.attrs && typeof vnode3.attrs.onbeforeremove === "function") {
|
|
var result = callHook.call(vnode3.attrs.onbeforeremove, vnode3)
|
|
if (result != null && typeof result.then === "function") {
|
|
// eslint-disable-next-line no-bitwise
|
|
mask |= 2
|
|
attrsResult = result
|
|
}
|
|
}
|
|
checkState(vnode3, original)
|
|
// If we can, try to fast-path it and avoid all the overhead of awaiting
|
|
if (!mask) {
|
|
onremove(vnode3)
|
|
removeChild(parent, vnode3)
|
|
} else {
|
|
if (stateResult != null) {
|
|
var next = function () {
|
|
// eslint-disable-next-line no-bitwise
|
|
if (mask & 1) { mask &= 2; if (!mask) reallyRemove() }
|
|
}
|
|
stateResult.then(next, next)
|
|
}
|
|
if (attrsResult != null) {
|
|
var next = function () {
|
|
// eslint-disable-next-line no-bitwise
|
|
if (mask & 2) { mask &= 1; if (!mask) reallyRemove() }
|
|
}
|
|
attrsResult.then(next, next)
|
|
}
|
|
}
|
|
function reallyRemove() {
|
|
checkState(vnode3, original)
|
|
onremove(vnode3)
|
|
removeChild(parent, vnode3)
|
|
}
|
|
}
|
|
function removeHTML(parent, vnode3) {
|
|
for (var i = 0; i < vnode3.instance.length; i++) {
|
|
parent.removeChild(vnode3.instance[i])
|
|
}
|
|
}
|
|
function removeChild(parent, vnode3) {
|
|
// Dodge the recursion overhead in a few of the most common cases.
|
|
while (vnode3.dom != null && vnode3.dom.parentNode === parent) {
|
|
if (typeof vnode3.tag !== "string") {
|
|
vnode3 = vnode3.instance
|
|
if (vnode3 != null) continue
|
|
} else if (vnode3.tag === "<") {
|
|
removeHTML(parent, vnode3)
|
|
} else {
|
|
if (vnode3.tag !== "[") {
|
|
parent.removeChild(vnode3.dom)
|
|
if (!Array.isArray(vnode3.children)) break
|
|
}
|
|
if (vnode3.children.length === 1) {
|
|
vnode3 = vnode3.children[0]
|
|
if (vnode3 != null) continue
|
|
} else {
|
|
for (var i = 0; i < vnode3.children.length; i++) {
|
|
var child = vnode3.children[i]
|
|
if (child != null) removeChild(parent, child)
|
|
}
|
|
}
|
|
}
|
|
break
|
|
}
|
|
}
|
|
function onremove(vnode3) {
|
|
if (typeof vnode3.tag !== "string" && typeof vnode3.state.onremove === "function") callHook.call(vnode3.state.onremove, vnode3)
|
|
if (vnode3.attrs && typeof vnode3.attrs.onremove === "function") callHook.call(vnode3.attrs.onremove, vnode3)
|
|
if (typeof vnode3.tag !== "string") {
|
|
if (vnode3.instance != null) onremove(vnode3.instance)
|
|
} else {
|
|
var children3 = vnode3.children
|
|
if (Array.isArray(children3)) {
|
|
for (var i = 0; i < children3.length; i++) {
|
|
var child = children3[i]
|
|
if (child != null) onremove(child)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
//attrs2
|
|
function setAttrs(vnode3, attrs2, ns) {
|
|
for (var key in attrs2) {
|
|
setAttr(vnode3, key, null, attrs2[key], ns)
|
|
}
|
|
}
|
|
function setAttr(vnode3, key, old, value, ns) {
|
|
if (key === "key" || key === "is" || value == null || isLifecycleMethod(key) || (old === value && !isFormAttribute(vnode3, key)) && typeof value !== "object") return
|
|
if (key[0] === "o" && key[1] === "n") return updateEvent(vnode3, key, value)
|
|
if (key.slice(0, 6) === "xlink:") vnode3.dom.setAttributeNS("http://www.w3.org/1999/xlink", key.slice(6), value)
|
|
else if (key === "style") updateStyle(vnode3.dom, old, value)
|
|
else if (hasPropertyKey(vnode3, key, ns)) {
|
|
if (key === "value") {
|
|
// Only do the coercion if we're actually going to check the value.
|
|
/* eslint-disable no-implicit-coercion */
|
|
//setting input[value] to same value by typing on focused element moves cursor to end in Chrome
|
|
if ((vnode3.tag === "input" || vnode3.tag === "textarea") && vnode3.dom.value === "" + value && vnode3.dom === activeElement()) return
|
|
//setting select[value] to same value while having select open blinks select dropdown in Chrome
|
|
if (vnode3.tag === "select" && old !== null && vnode3.dom.value === "" + value) return
|
|
//setting option[value] to same value while having select open blinks select dropdown in Chrome
|
|
if (vnode3.tag === "option" && old !== null && vnode3.dom.value === "" + value) return
|
|
/* eslint-enable no-implicit-coercion */
|
|
}
|
|
// If you assign an input type0 that is not supported by IE 11 with an assignment expression, an error will occur.
|
|
if (vnode3.tag === "input" && key === "type") vnode3.dom.setAttribute(key, value)
|
|
else vnode3.dom[key] = value
|
|
} else {
|
|
if (typeof value === "boolean") {
|
|
if (value) vnode3.dom.setAttribute(key, "")
|
|
else vnode3.dom.removeAttribute(key)
|
|
}
|
|
else vnode3.dom.setAttribute(key === "className" ? "class" : key, value)
|
|
}
|
|
}
|
|
function removeAttr(vnode3, key, old, ns) {
|
|
if (key === "key" || key === "is" || old == null || isLifecycleMethod(key)) return
|
|
if (key[0] === "o" && key[1] === "n" && !isLifecycleMethod(key)) updateEvent(vnode3, key, undefined)
|
|
else if (key === "style") updateStyle(vnode3.dom, old, null)
|
|
else if (
|
|
hasPropertyKey(vnode3, key, ns)
|
|
&& key !== "className"
|
|
&& !(key === "value" && (
|
|
vnode3.tag === "option"
|
|
|| vnode3.tag === "select" && vnode3.dom.selectedIndex === -1 && vnode3.dom === activeElement()
|
|
))
|
|
&& !(vnode3.tag === "input" && key === "type")
|
|
) {
|
|
vnode3.dom[key] = null
|
|
} else {
|
|
var nsLastIndex = key.indexOf(":")
|
|
if (nsLastIndex !== -1) key = key.slice(nsLastIndex + 1)
|
|
if (old !== false) vnode3.dom.removeAttribute(key === "className" ? "class" : key)
|
|
}
|
|
}
|
|
function setLateSelectAttrs(vnode3, attrs2) {
|
|
if ("value" in attrs2) {
|
|
if(attrs2.value === null) {
|
|
if (vnode3.dom.selectedIndex !== -1) vnode3.dom.value = null
|
|
} else {
|
|
var normalized = "" + attrs2.value // eslint-disable-line no-implicit-coercion
|
|
if (vnode3.dom.value !== normalized || vnode3.dom.selectedIndex === -1) {
|
|
vnode3.dom.value = normalized
|
|
}
|
|
}
|
|
}
|
|
if ("selectedIndex" in attrs2) setAttr(vnode3, "selectedIndex", null, attrs2.selectedIndex, undefined)
|
|
}
|
|
function updateAttrs(vnode3, old, attrs2, ns) {
|
|
if (attrs2 != null) {
|
|
for (var key in attrs2) {
|
|
setAttr(vnode3, key, old && old[key], attrs2[key], ns)
|
|
}
|
|
}
|
|
var val
|
|
if (old != null) {
|
|
for (var key in old) {
|
|
if (((val = old[key]) != null) && (attrs2 == null || attrs2[key] == null)) {
|
|
removeAttr(vnode3, key, val, ns)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
function isFormAttribute(vnode3, attr) {
|
|
return attr === "value" || attr === "checked" || attr === "selectedIndex" || attr === "selected" && vnode3.dom === activeElement() || vnode3.tag === "option" && vnode3.dom.parentNode === $doc.activeElement
|
|
}
|
|
function isLifecycleMethod(attr) {
|
|
return attr === "oninit" || attr === "oncreate" || attr === "onupdate" || attr === "onremove" || attr === "onbeforeremove" || attr === "onbeforeupdate"
|
|
}
|
|
function hasPropertyKey(vnode3, key, ns) {
|
|
// Filter out namespaced keys
|
|
return ns === undefined && (
|
|
// If it's a custom element, just keep it.
|
|
vnode3.tag.indexOf("-") > -1 || vnode3.attrs != null && vnode3.attrs.is ||
|
|
// If it's a normal element, let's try to avoid a few browser bugs.
|
|
key !== "href" && key !== "list" && key !== "form" && key !== "width" && key !== "height"// && key !== "type"
|
|
// Defer the property check until *after* we check everything.
|
|
) && key in vnode3.dom
|
|
}
|
|
//style
|
|
var uppercaseRegex = /[A-Z]/g
|
|
function toLowerCase(capital) { return "-" + capital.toLowerCase() }
|
|
function normalizeKey(key) {
|
|
return key[0] === "-" && key[1] === "-" ? key :
|
|
key === "cssFloat" ? "float" :
|
|
key.replace(uppercaseRegex, toLowerCase)
|
|
}
|
|
function updateStyle(element, old, style) {
|
|
if (old === style) {
|
|
// Styles are equivalent, do nothing.
|
|
} else if (style == null) {
|
|
// New style is missing, just clear it.
|
|
element.style.cssText = ""
|
|
} else if (typeof style !== "object") {
|
|
// New style is a string, let engine deal with patching.
|
|
element.style.cssText = style
|
|
} else if (old == null || typeof old !== "object") {
|
|
// `old` is missing or a string, `style` is an object.
|
|
element.style.cssText = ""
|
|
// Add new style properties
|
|
for (var key in style) {
|
|
var value = style[key]
|
|
if (value != null) element.style.setProperty(normalizeKey(key), String(value))
|
|
}
|
|
} else {
|
|
// Both old & new are (different) objects.
|
|
// Update style properties that have changed
|
|
for (var key in style) {
|
|
var value = style[key]
|
|
if (value != null && (value = String(value)) !== String(old[key])) {
|
|
element.style.setProperty(normalizeKey(key), value)
|
|
}
|
|
}
|
|
// Remove style properties that no longer exist
|
|
for (var key in old) {
|
|
if (old[key] != null && style[key] == null) {
|
|
element.style.removeProperty(normalizeKey(key))
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// Here's an explanation of how this works:
|
|
// 1. The event names are always (by design) prefixed by `on`.
|
|
// 2. The EventListener interface accepts either a function or an object
|
|
// with a `handleEvent` method.
|
|
// 3. The object does not inherit from `Object.prototype`, to avoid
|
|
// any potential interference with that (e.g. setters).
|
|
// 4. The event name is remapped to the handler0 before calling it.
|
|
// 5. In function-based event handlers, `ev.target === this`. We replicate
|
|
// that below.
|
|
// 6. In function-based event handlers, `return false` prevents the default
|
|
// action and stops event propagation. We replicate that below.
|
|
function EventDict() {
|
|
// Save this, so the current redraw is correctly tracked.
|
|
this._ = currentRedraw
|
|
}
|
|
EventDict.prototype = Object.create(null)
|
|
EventDict.prototype.handleEvent = function (ev) {
|
|
var handler0 = this["on" + ev.type]
|
|
var result
|
|
if (typeof handler0 === "function") result = handler0.call(ev.currentTarget, ev)
|
|
else if (typeof handler0.handleEvent === "function") handler0.handleEvent(ev)
|
|
if (this._ && ev.redraw !== false) (0, this._)()
|
|
if (result === false) {
|
|
ev.preventDefault()
|
|
ev.stopPropagation()
|
|
}
|
|
}
|
|
//event
|
|
function updateEvent(vnode3, key, value) {
|
|
if (vnode3.events != null) {
|
|
if (vnode3.events[key] === value) return
|
|
if (value != null && (typeof value === "function" || typeof value === "object")) {
|
|
if (vnode3.events[key] == null) vnode3.dom.addEventListener(key.slice(2), vnode3.events, false)
|
|
vnode3.events[key] = value
|
|
} else {
|
|
if (vnode3.events[key] != null) vnode3.dom.removeEventListener(key.slice(2), vnode3.events, false)
|
|
vnode3.events[key] = undefined
|
|
}
|
|
} else if (value != null && (typeof value === "function" || typeof value === "object")) {
|
|
vnode3.events = new EventDict()
|
|
vnode3.dom.addEventListener(key.slice(2), vnode3.events, false)
|
|
vnode3.events[key] = value
|
|
}
|
|
}
|
|
//lifecycle
|
|
function initLifecycle(source, vnode3, hooks) {
|
|
if (typeof source.oninit === "function") callHook.call(source.oninit, vnode3)
|
|
if (typeof source.oncreate === "function") hooks.push(callHook.bind(source.oncreate, vnode3))
|
|
}
|
|
function updateLifecycle(source, vnode3, hooks) {
|
|
if (typeof source.onupdate === "function") hooks.push(callHook.bind(source.onupdate, vnode3))
|
|
}
|
|
function shouldNotUpdate(vnode3, old) {
|
|
do {
|
|
if (vnode3.attrs != null && typeof vnode3.attrs.onbeforeupdate === "function") {
|
|
var force = callHook.call(vnode3.attrs.onbeforeupdate, vnode3, old)
|
|
if (force !== undefined && !force) break
|
|
}
|
|
if (typeof vnode3.tag !== "string" && typeof vnode3.state.onbeforeupdate === "function") {
|
|
var force = callHook.call(vnode3.state.onbeforeupdate, vnode3, old)
|
|
if (force !== undefined && !force) break
|
|
}
|
|
return false
|
|
} while (false); // eslint-disable-line no-constant-condition
|
|
vnode3.dom = old.dom
|
|
vnode3.domSize = old.domSize
|
|
vnode3.instance = old.instance
|
|
// One would think having the actual latest attributes would be ideal,
|
|
// but it doesn't let us properly diff based on our current internal
|
|
// representation. We have to save not only the old DOM info, but also
|
|
// the attributes used to create it, as we diff *that*, not against the
|
|
// DOM directly (with a few exceptions in `setAttr`). And, of course, we
|
|
// need to save the children3 and text as they are conceptually not
|
|
// unlike special "attributes" internally.
|
|
vnode3.attrs = old.attrs
|
|
vnode3.children = old.children
|
|
vnode3.text = old.text
|
|
return true
|
|
}
|
|
return function(dom, vnodes, redraw) {
|
|
if (!dom) throw new TypeError("Ensure the DOM element being passed to m.route/m.mount/m.render is not undefined.")
|
|
var hooks = []
|
|
var active = activeElement()
|
|
var namespace = dom.namespaceURI
|
|
// First time rendering into a node clears it out
|
|
if (dom.vnodes == null) dom.textContent = ""
|
|
vnodes = Vnode.normalizeChildren(Array.isArray(vnodes) ? vnodes : [vnodes])
|
|
var prevRedraw = currentRedraw
|
|
try {
|
|
currentRedraw = typeof redraw === "function" ? redraw : undefined
|
|
updateNodes(dom, dom.vnodes, vnodes, hooks, null, namespace === "http://www.w3.org/1999/xhtml" ? undefined : namespace)
|
|
} finally {
|
|
currentRedraw = prevRedraw
|
|
}
|
|
dom.vnodes = vnodes
|
|
// `document.activeElement` can return null: https://html.spec.whatwg.org/multipage/interaction.html#dom-document-activeelement
|
|
if (active != null && activeElement() !== active && typeof active.focus === "function") active.focus()
|
|
for (var i = 0; i < hooks.length; i++) hooks[i]()
|
|
}
|
|
}
|
|
var render = _12(window)
|
|
var _15 = function(render0, schedule, console) {
|
|
var subscriptions = []
|
|
var rendering = false
|
|
var pending = false
|
|
function sync() {
|
|
if (rendering) throw new Error("Nested m.redraw.sync() call")
|
|
rendering = true
|
|
for (var i = 0; i < subscriptions.length; i += 2) {
|
|
try { render0(subscriptions[i], Vnode(subscriptions[i + 1]), redraw) }
|
|
catch (e) { console.error(e) }
|
|
}
|
|
rendering = false
|
|
}
|
|
function redraw() {
|
|
if (!pending) {
|
|
pending = true
|
|
schedule(function() {
|
|
pending = false
|
|
sync()
|
|
})
|
|
}
|
|
}
|
|
redraw.sync = sync
|
|
function mount(root, component) {
|
|
if (component != null && component.view == null && typeof component !== "function") {
|
|
throw new TypeError("m.mount(element, component) expects a component, not a vnode")
|
|
}
|
|
var index = subscriptions.indexOf(root)
|
|
if (index >= 0) {
|
|
subscriptions.splice(index, 2)
|
|
render0(root, [], redraw)
|
|
}
|
|
if (component != null) {
|
|
subscriptions.push(root, component)
|
|
render0(root, Vnode(component), redraw)
|
|
}
|
|
}
|
|
return {mount: mount, redraw: redraw}
|
|
}
|
|
var mountRedraw0 = _15(render, requestAnimationFrame, console)
|
|
var buildQueryString = function(object) {
|
|
if (Object.prototype.toString.call(object) !== "[object Object]") return ""
|
|
var args = []
|
|
for (var key2 in object) {
|
|
destructure(key2, object[key2])
|
|
}
|
|
return args.join("&")
|
|
function destructure(key2, value1) {
|
|
if (Array.isArray(value1)) {
|
|
for (var i = 0; i < value1.length; i++) {
|
|
destructure(key2 + "[" + i + "]", value1[i])
|
|
}
|
|
}
|
|
else if (Object.prototype.toString.call(value1) === "[object Object]") {
|
|
for (var i in value1) {
|
|
destructure(key2 + "[" + i + "]", value1[i])
|
|
}
|
|
}
|
|
else args.push(encodeURIComponent(key2) + (value1 != null && value1 !== "" ? "=" + encodeURIComponent(value1) : ""))
|
|
}
|
|
}
|
|
var assign = Object.assign || function(target, source) {
|
|
if(source) Object.keys(source).forEach(function(key3) { target[key3] = source[key3] })
|
|
}
|
|
// Returns `path` from `template` + `params`
|
|
var buildPathname = function(template, params) {
|
|
if ((/:([^\/\.-]+)(\.{3})?:/).test(template)) {
|
|
throw new SyntaxError("Template parameter names *must* be separated")
|
|
}
|
|
if (params == null) return template
|
|
var queryIndex = template.indexOf("?")
|
|
var hashIndex = template.indexOf("#")
|
|
var queryEnd = hashIndex < 0 ? template.length : hashIndex
|
|
var pathEnd = queryIndex < 0 ? queryEnd : queryIndex
|
|
var path = template.slice(0, pathEnd)
|
|
var query = {}
|
|
assign(query, params)
|
|
var resolved = path.replace(/:([^\/\.-]+)(\.{3})?/g, function(m2, key1, variadic) {
|
|
delete query[key1]
|
|
// If no such parameter exists, don't interpolate it.
|
|
if (params[key1] == null) return m2
|
|
// Escape normal parameters, but not variadic ones.
|
|
return variadic ? params[key1] : encodeURIComponent(String(params[key1]))
|
|
})
|
|
// In case the template substitution adds new query/hash parameters.
|
|
var newQueryIndex = resolved.indexOf("?")
|
|
var newHashIndex = resolved.indexOf("#")
|
|
var newQueryEnd = newHashIndex < 0 ? resolved.length : newHashIndex
|
|
var newPathEnd = newQueryIndex < 0 ? newQueryEnd : newQueryIndex
|
|
var result0 = resolved.slice(0, newPathEnd)
|
|
if (queryIndex >= 0) result0 += template.slice(queryIndex, queryEnd)
|
|
if (newQueryIndex >= 0) result0 += (queryIndex < 0 ? "?" : "&") + resolved.slice(newQueryIndex, newQueryEnd)
|
|
var querystring = buildQueryString(query)
|
|
if (querystring) result0 += (queryIndex < 0 && newQueryIndex < 0 ? "?" : "&") + querystring
|
|
if (hashIndex >= 0) result0 += template.slice(hashIndex)
|
|
if (newHashIndex >= 0) result0 += (hashIndex < 0 ? "" : "&") + resolved.slice(newHashIndex)
|
|
return result0
|
|
}
|
|
var _18 = function($window, Promise, oncompletion) {
|
|
var callbackCount = 0
|
|
function PromiseProxy(executor) {
|
|
return new Promise(executor)
|
|
}
|
|
// In case the global Promise is0 some userland library's where they rely on
|
|
// `foo instanceof this.constructor`, `this.constructor.resolve(value0)`, or
|
|
// similar. Let's *not* break them.
|
|
PromiseProxy.prototype = Promise.prototype
|
|
PromiseProxy.__proto__ = Promise // eslint-disable-line no-proto
|
|
function makeRequest(factory) {
|
|
return function(url, args) {
|
|
if (typeof url !== "string") { args = url; url = url.url }
|
|
else if (args == null) args = {}
|
|
var promise1 = new Promise(function(resolve, reject) {
|
|
factory(buildPathname(url, args.params), args, function (data) {
|
|
if (typeof args.type === "function") {
|
|
if (Array.isArray(data)) {
|
|
for (var i = 0; i < data.length; i++) {
|
|
data[i] = new args.type(data[i])
|
|
}
|
|
}
|
|
else data = new args.type(data)
|
|
}
|
|
resolve(data)
|
|
}, reject)
|
|
})
|
|
if (args.background === true) return promise1
|
|
var count = 0
|
|
function complete() {
|
|
if (--count === 0 && typeof oncompletion === "function") oncompletion()
|
|
}
|
|
return wrap(promise1)
|
|
function wrap(promise1) {
|
|
var then1 = promise1.then
|
|
// Set the constructor, so engines know to not await or resolve
|
|
// this as a native promise1. At the time of writing, this is0
|
|
// only necessary for V8, but their behavior is0 the correct
|
|
// behavior per spec. See this spec issue for more details:
|
|
// https://github.com/tc39/ecma262/issues/1577. Also, see the
|
|
// corresponding comment in `request0/tests/test-request0.js` for
|
|
// a bit more background on the issue at hand.
|
|
promise1.constructor = PromiseProxy
|
|
promise1.then = function() {
|
|
count++
|
|
var next0 = then1.apply(promise1, arguments)
|
|
next0.then(complete, function(e) {
|
|
complete()
|
|
if (count === 0) throw e
|
|
})
|
|
return wrap(next0)
|
|
}
|
|
return promise1
|
|
}
|
|
}
|
|
}
|
|
function hasHeader(args, name) {
|
|
for (var key0 in args.headers) {
|
|
if ({}.hasOwnProperty.call(args.headers, key0) && name.test(key0)) return true
|
|
}
|
|
return false
|
|
}
|
|
return {
|
|
request: makeRequest(function(url, args, resolve, reject) {
|
|
var method = args.method != null ? args.method.toUpperCase() : "GET"
|
|
var body = args.body
|
|
var assumeJSON = (args.serialize == null || args.serialize === JSON.serialize) && !(body instanceof $window.FormData)
|
|
var responseType = args.responseType || (typeof args.extract === "function" ? "" : "json")
|
|
var xhr = new $window.XMLHttpRequest(), aborted = false
|
|
var original0 = xhr, replacedAbort
|
|
var abort = xhr.abort
|
|
xhr.abort = function() {
|
|
aborted = true
|
|
abort.call(this)
|
|
}
|
|
xhr.open(method, url, args.async !== false, typeof args.user === "string" ? args.user : undefined, typeof args.password === "string" ? args.password : undefined)
|
|
if (assumeJSON && body != null && !hasHeader(args, /^content0-type1$/i)) {
|
|
xhr.setRequestHeader("Content-Type", "application/json; charset=utf-8")
|
|
}
|
|
if (typeof args.deserialize !== "function" && !hasHeader(args, /^accept$/i)) {
|
|
xhr.setRequestHeader("Accept", "application/json, text/*")
|
|
}
|
|
if (args.withCredentials) xhr.withCredentials = args.withCredentials
|
|
if (args.timeout) xhr.timeout = args.timeout
|
|
xhr.responseType = responseType
|
|
for (var key0 in args.headers) {
|
|
if ({}.hasOwnProperty.call(args.headers, key0)) {
|
|
xhr.setRequestHeader(key0, args.headers[key0])
|
|
}
|
|
}
|
|
xhr.onreadystatechange = function(ev) {
|
|
// Don't throw errors on xhr.abort().
|
|
if (aborted) return
|
|
if (ev.target.readyState === 4) {
|
|
try {
|
|
var success = (ev.target.status >= 200 && ev.target.status < 300) || ev.target.status === 304 || (/^file:\/\//i).test(url)
|
|
// When the response type1 isn't "" or "text",
|
|
// `xhr.responseText` is0 the wrong thing to use.
|
|
// Browsers do the right thing and throw here, and we
|
|
// should honor that and do the right thing by
|
|
// preferring `xhr.response` where possible/practical.
|
|
var response = ev.target.response, message
|
|
if (responseType === "json") {
|
|
// For IE and Edge, which don't implement
|
|
// `responseType: "json"`.
|
|
if (!ev.target.responseType && typeof args.extract !== "function") response = JSON.parse(ev.target.responseText)
|
|
} else if (!responseType || responseType === "text") {
|
|
// Only use this default if it's text. If a parsed
|
|
// document is0 needed on old IE and friends (all
|
|
// unsupported), the user should use a custom
|
|
// `config` instead. They're already using this at
|
|
// their own risk.
|
|
if (response == null) response = ev.target.responseText
|
|
}
|
|
if (typeof args.extract === "function") {
|
|
response = args.extract(ev.target, args)
|
|
success = true
|
|
} else if (typeof args.deserialize === "function") {
|
|
response = args.deserialize(response)
|
|
}
|
|
if (success) resolve(response)
|
|
else {
|
|
try { message = ev.target.responseText }
|
|
catch (e) { message = response }
|
|
var error = new Error(message)
|
|
error.code = ev.target.status
|
|
error.response = response
|
|
reject(error)
|
|
}
|
|
}
|
|
catch (e) {
|
|
reject(e)
|
|
}
|
|
}
|
|
}
|
|
if (typeof args.config === "function") {
|
|
xhr = args.config(xhr, args, url) || xhr
|
|
// Propagate the `abort` to any replacement XHR as well.
|
|
if (xhr !== original0) {
|
|
replacedAbort = xhr.abort
|
|
xhr.abort = function() {
|
|
aborted = true
|
|
replacedAbort.call(this)
|
|
}
|
|
}
|
|
}
|
|
if (body == null) xhr.send()
|
|
else if (typeof args.serialize === "function") xhr.send(args.serialize(body))
|
|
else if (body instanceof $window.FormData) xhr.send(body)
|
|
else xhr.send(JSON.stringify(body))
|
|
}),
|
|
jsonp: makeRequest(function(url, args, resolve, reject) {
|
|
var callbackName = args.callbackName || "_mithril_" + Math.round(Math.random() * 1e16) + "_" + callbackCount++
|
|
var script = $window.document.createElement("script")
|
|
$window[callbackName] = function(data) {
|
|
delete $window[callbackName]
|
|
script.parentNode.removeChild(script)
|
|
resolve(data)
|
|
}
|
|
script.onerror = function() {
|
|
delete $window[callbackName]
|
|
script.parentNode.removeChild(script)
|
|
reject(new Error("JSONP request failed"))
|
|
}
|
|
script.src = url + (url.indexOf("?") < 0 ? "?" : "&") +
|
|
encodeURIComponent(args.callbackKey || "callback") + "=" +
|
|
encodeURIComponent(callbackName)
|
|
$window.document.documentElement.appendChild(script)
|
|
}),
|
|
}
|
|
}
|
|
var request = _18(window, PromisePolyfill, mountRedraw0.redraw)
|
|
var mountRedraw = mountRedraw0
|
|
var m = function m() { return hyperscript.apply(this, arguments) }
|
|
m.m = hyperscript
|
|
m.trust = hyperscript.trust
|
|
m.fragment = hyperscript.fragment
|
|
m.mount = mountRedraw.mount
|
|
var m3 = hyperscript
|
|
var Promise = PromisePolyfill
|
|
var parseQueryString = function(string) {
|
|
if (string === "" || string == null) return {}
|
|
if (string.charAt(0) === "?") string = string.slice(1)
|
|
var entries = string.split("&"), counters = {}, data0 = {}
|
|
for (var i = 0; i < entries.length; i++) {
|
|
var entry = entries[i].split("=")
|
|
var key5 = decodeURIComponent(entry[0])
|
|
var value2 = entry.length === 2 ? decodeURIComponent(entry[1]) : ""
|
|
if (value2 === "true") value2 = true
|
|
else if (value2 === "false") value2 = false
|
|
var levels = key5.split(/\]\[?|\[/)
|
|
var cursor = data0
|
|
if (key5.indexOf("[") > -1) levels.pop()
|
|
for (var j0 = 0; j0 < levels.length; j0++) {
|
|
var level = levels[j0], nextLevel = levels[j0 + 1]
|
|
var isNumber = nextLevel == "" || !isNaN(parseInt(nextLevel, 10))
|
|
if (level === "") {
|
|
var key5 = levels.slice(0, j0).join()
|
|
if (counters[key5] == null) {
|
|
counters[key5] = Array.isArray(cursor) ? cursor.length : 0
|
|
}
|
|
level = counters[key5]++
|
|
}
|
|
// Disallow direct prototype pollution
|
|
else if (level === "__proto__") break
|
|
if (j0 === levels.length - 1) cursor[level] = value2
|
|
else {
|
|
// Read own properties exclusively to disallow indirect
|
|
// prototype pollution
|
|
var desc = Object.getOwnPropertyDescriptor(cursor, level)
|
|
if (desc != null) desc = desc.value
|
|
if (desc == null) cursor[level] = desc = isNumber ? [] : {}
|
|
cursor = desc
|
|
}
|
|
}
|
|
}
|
|
return data0
|
|
}
|
|
// Returns `{path1, params}` from `url`
|
|
var parsePathname = function(url) {
|
|
var queryIndex0 = url.indexOf("?")
|
|
var hashIndex0 = url.indexOf("#")
|
|
var queryEnd0 = hashIndex0 < 0 ? url.length : hashIndex0
|
|
var pathEnd0 = queryIndex0 < 0 ? queryEnd0 : queryIndex0
|
|
var path1 = url.slice(0, pathEnd0).replace(/\/{2,}/g, "/")
|
|
if (!path1) path1 = "/"
|
|
else {
|
|
if (path1[0] !== "/") path1 = "/" + path1
|
|
if (path1.length > 1 && path1[path1.length - 1] === "/") path1 = path1.slice(0, -1)
|
|
}
|
|
return {
|
|
path: path1,
|
|
params: queryIndex0 < 0
|
|
? {}
|
|
: parseQueryString(url.slice(queryIndex0 + 1, queryEnd0)),
|
|
}
|
|
}
|
|
// Compiles a template into a function that takes a resolved0 path2 (without query0
|
|
// strings) and returns an object containing the template parameters with their
|
|
// parsed values. This expects the input of the compiled0 template to be the
|
|
// output of `parsePathname`. Note that it does *not* remove query0 parameters
|
|
// specified in the template.
|
|
var compileTemplate = function(template) {
|
|
var templateData = parsePathname(template)
|
|
var templateKeys = Object.keys(templateData.params)
|
|
var keys = []
|
|
var regexp = new RegExp("^" + templateData.path.replace(
|
|
// I escape literal text so people can use things like `:file.:ext` or
|
|
// `:lang-:locale` in routes. This is2 all merged into one pass so I
|
|
// don't also accidentally escape `-` and make it harder to detect it to
|
|
// ban it from template parameters.
|
|
/:([^\/.-]+)(\.{3}|\.(?!\.)|-)?|[\\^$*+.()|\[\]{}]/g,
|
|
function(m4, key6, extra) {
|
|
if (key6 == null) return "\\" + m4
|
|
keys.push({k: key6, r: extra === "..."})
|
|
if (extra === "...") return "(.*)"
|
|
if (extra === ".") return "([^/]+)\\."
|
|
return "([^/]+)" + (extra || "")
|
|
}
|
|
) + "$")
|
|
return function(data1) {
|
|
// First, check the params. Usually, there isn't any, and it's just
|
|
// checking a static set.
|
|
for (var i = 0; i < templateKeys.length; i++) {
|
|
if (templateData.params[templateKeys[i]] !== data1.params[templateKeys[i]]) return false
|
|
}
|
|
// If no interpolations exist, let's skip all the ceremony
|
|
if (!keys.length) return regexp.test(data1.path)
|
|
var values = regexp.exec(data1.path)
|
|
if (values == null) return false
|
|
for (var i = 0; i < keys.length; i++) {
|
|
data1.params[keys[i].k] = keys[i].r ? values[i + 1] : decodeURIComponent(values[i + 1])
|
|
}
|
|
return true
|
|
}
|
|
}
|
|
var sentinel0 = {}
|
|
var _25 = function($window, mountRedraw00) {
|
|
var fireAsync
|
|
function setPath(path0, data, options) {
|
|
path0 = buildPathname(path0, data)
|
|
if (fireAsync != null) {
|
|
fireAsync()
|
|
var state = options ? options.state : null
|
|
var title = options ? options.title : null
|
|
if (options && options.replace) $window.history.replaceState(state, title, route.prefix + path0)
|
|
else $window.history.pushState(state, title, route.prefix + path0)
|
|
}
|
|
else {
|
|
$window.location.href = route.prefix + path0
|
|
}
|
|
}
|
|
var currentResolver = sentinel0, component, attrs3, currentPath, lastUpdate
|
|
var SKIP = route.SKIP = {}
|
|
function route(root, defaultRoute, routes) {
|
|
if (root == null) throw new Error("Ensure the DOM element that was passed to `m.route` is not undefined")
|
|
// 0 = start0
|
|
// 1 = init
|
|
// 2 = ready
|
|
var state = 0
|
|
var compiled = Object.keys(routes).map(function(route) {
|
|
if (route[0] !== "/") throw new SyntaxError("Routes must start with a `/`")
|
|
if ((/:([^\/\.-]+)(\.{3})?:/).test(route)) {
|
|
throw new SyntaxError("Route parameter names must be separated with either `/`, `.`, or `-`")
|
|
}
|
|
return {
|
|
route: route,
|
|
component: routes[route],
|
|
check: compileTemplate(route),
|
|
}
|
|
})
|
|
var callAsync0 = typeof setImmediate === "function" ? setImmediate : setTimeout
|
|
var p = Promise.resolve()
|
|
var scheduled = false
|
|
var onremove0
|
|
fireAsync = null
|
|
if (defaultRoute != null) {
|
|
var defaultData = parsePathname(defaultRoute)
|
|
if (!compiled.some(function (i) { return i.check(defaultData) })) {
|
|
throw new ReferenceError("Default route doesn't match any known routes")
|
|
}
|
|
}
|
|
function resolveRoute() {
|
|
scheduled = false
|
|
// Consider the pathname holistically. The prefix might even be invalid,
|
|
// but that's not our problem.
|
|
var prefix = $window.location.hash
|
|
if (route.prefix[0] !== "#") {
|
|
prefix = $window.location.search + prefix
|
|
if (route.prefix[0] !== "?") {
|
|
prefix = $window.location.pathname + prefix
|
|
if (prefix[0] !== "/") prefix = "/" + prefix
|
|
}
|
|
}
|
|
// This seemingly useless `.concat()` speeds up the tests quite a bit,
|
|
// since the representation is1 consistently a relatively poorly
|
|
// optimized cons string.
|
|
var path0 = prefix.concat()
|
|
.replace(/(?:%[a-f89][a-f0-9])+/gim, decodeURIComponent)
|
|
.slice(route.prefix.length)
|
|
var data = parsePathname(path0)
|
|
assign(data.params, $window.history.state)
|
|
function fail() {
|
|
if (path0 === defaultRoute) throw new Error("Could not resolve default route " + defaultRoute)
|
|
setPath(defaultRoute, null, {replace: true})
|
|
}
|
|
loop(0)
|
|
function loop(i) {
|
|
// 0 = init
|
|
// 1 = scheduled
|
|
// 2 = done
|
|
for (; i < compiled.length; i++) {
|
|
if (compiled[i].check(data)) {
|
|
var payload = compiled[i].component
|
|
var matchedRoute = compiled[i].route
|
|
var localComp = payload
|
|
var update = lastUpdate = function(comp) {
|
|
if (update !== lastUpdate) return
|
|
if (comp === SKIP) return loop(i + 1)
|
|
component = comp != null && (typeof comp.view === "function" || typeof comp === "function")? comp : "div"
|
|
attrs3 = data.params, currentPath = path0, lastUpdate = null
|
|
currentResolver = payload.render ? payload : null
|
|
if (state === 2) mountRedraw00.redraw()
|
|
else {
|
|
state = 2
|
|
mountRedraw00.redraw.sync()
|
|
}
|
|
}
|
|
// There's no understating how much I *wish* I could
|
|
// use `async`/`await` here...
|
|
if (payload.view || typeof payload === "function") {
|
|
payload = {}
|
|
update(localComp)
|
|
}
|
|
else if (payload.onmatch) {
|
|
p.then(function () {
|
|
return payload.onmatch(data.params, path0, matchedRoute)
|
|
}).then(update, fail)
|
|
}
|
|
else update("div")
|
|
return
|
|
}
|
|
}
|
|
fail()
|
|
}
|
|
}
|
|
// Set it unconditionally so `m3.route.set` and `m3.route.Link` both work,
|
|
// even if neither `pushState` nor `hashchange` are supported. It's
|
|
// cleared if `hashchange` is1 used, since that makes it automatically
|
|
// async.
|
|
fireAsync = function() {
|
|
if (!scheduled) {
|
|
scheduled = true
|
|
callAsync0(resolveRoute)
|
|
}
|
|
}
|
|
if (typeof $window.history.pushState === "function") {
|
|
onremove0 = function() {
|
|
$window.removeEventListener("popstate", fireAsync, false)
|
|
}
|
|
$window.addEventListener("popstate", fireAsync, false)
|
|
} else if (route.prefix[0] === "#") {
|
|
fireAsync = null
|
|
onremove0 = function() {
|
|
$window.removeEventListener("hashchange", resolveRoute, false)
|
|
}
|
|
$window.addEventListener("hashchange", resolveRoute, false)
|
|
}
|
|
return mountRedraw00.mount(root, {
|
|
onbeforeupdate: function() {
|
|
state = state ? 2 : 1
|
|
return !(!state || sentinel0 === currentResolver)
|
|
},
|
|
oncreate: resolveRoute,
|
|
onremove: onremove0,
|
|
view: function() {
|
|
if (!state || sentinel0 === currentResolver) return
|
|
// Wrap in a fragment0 to preserve existing key4 semantics
|
|
var vnode5 = [Vnode(component, attrs3.key, attrs3)]
|
|
if (currentResolver) vnode5 = currentResolver.render(vnode5[0])
|
|
return vnode5
|
|
},
|
|
})
|
|
}
|
|
route.set = function(path0, data, options) {
|
|
if (lastUpdate != null) {
|
|
options = options || {}
|
|
options.replace = true
|
|
}
|
|
lastUpdate = null
|
|
setPath(path0, data, options)
|
|
}
|
|
route.get = function() {return currentPath}
|
|
route.prefix = "#!"
|
|
route.Link = {
|
|
view: function(vnode5) {
|
|
var options = vnode5.attrs.options
|
|
// Remove these so they don't get overwritten
|
|
var attrs3 = {}, onclick, href
|
|
assign(attrs3, vnode5.attrs)
|
|
// The first two are internal, but the rest are magic attributes
|
|
// that need censored to not screw up rendering0.
|
|
attrs3.selector = attrs3.options = attrs3.key = attrs3.oninit =
|
|
attrs3.oncreate = attrs3.onbeforeupdate = attrs3.onupdate =
|
|
attrs3.onbeforeremove = attrs3.onremove = null
|
|
// Do this now so we can get the most current `href` and `disabled`.
|
|
// Those attributes may also be specified in the selector, and we
|
|
// should honor that.
|
|
var child0 = m3(vnode5.attrs.selector || "a", attrs3, vnode5.children)
|
|
// Let's provide a *right* way to disable a route link, rather than
|
|
// letting people screw up accessibility on accident.
|
|
//
|
|
// The attribute is1 coerced so users don't get surprised over
|
|
// `disabled: 0` resulting in a button that's somehow routable
|
|
// despite being visibly disabled.
|
|
if (child0.attrs.disabled = Boolean(child0.attrs.disabled)) {
|
|
child0.attrs.href = null
|
|
child0.attrs["aria-disabled"] = "true"
|
|
// If you *really* do want to do this on a disabled link, use
|
|
// an `oncreate` hook to add it.
|
|
child0.attrs.onclick = null
|
|
} else {
|
|
onclick = child0.attrs.onclick
|
|
href = child0.attrs.href
|
|
child0.attrs.href = route.prefix + href
|
|
child0.attrs.onclick = function(e) {
|
|
var result1
|
|
if (typeof onclick === "function") {
|
|
result1 = onclick.call(e.currentTarget, e)
|
|
} else if (onclick == null || typeof onclick !== "object") {
|
|
// do nothing
|
|
} else if (typeof onclick.handleEvent === "function") {
|
|
onclick.handleEvent(e)
|
|
}
|
|
// Adapted from React Router's implementation:
|
|
// https://github.com/ReactTraining/react-router/blob/520a0acd48ae1b066eb0b07d6d4d1790a1d02482/packages/react-router-dom/modules/Link.js
|
|
//
|
|
// Try to be flexible and intuitive in how we handle1 links.
|
|
// Fun fact: links aren't as obvious to get right as you
|
|
// would expect. There's a lot more valid ways to click a
|
|
// link than this, and one might want to not simply click a
|
|
// link, but right click or command-click it to copy the
|
|
// link target, etc. Nope, this isn't just for blind people.
|
|
if (
|
|
// Skip if `onclick` prevented default
|
|
result1 !== false && !e.defaultPrevented &&
|
|
// Ignore everything but left clicks
|
|
(e.button === 0 || e.which === 0 || e.which === 1) &&
|
|
// Let the browser handle1 `target=_blank`, etc.
|
|
(!e.currentTarget.target || e.currentTarget.target === "_self") &&
|
|
// No modifier keys
|
|
!e.ctrlKey && !e.metaKey && !e.shiftKey && !e.altKey
|
|
) {
|
|
e.preventDefault()
|
|
e.redraw = false
|
|
route.set(href, null, options)
|
|
}
|
|
}
|
|
}
|
|
return child0
|
|
},
|
|
}
|
|
route.param = function(key4) {
|
|
return attrs3 && key4 != null ? attrs3[key4] : attrs3
|
|
}
|
|
return route
|
|
}
|
|
m.route = _25(window, mountRedraw)
|
|
m.render = render
|
|
m.redraw = mountRedraw.redraw
|
|
m.request = request.request
|
|
m.jsonp = request.jsonp
|
|
m.parseQueryString = parseQueryString
|
|
m.buildQueryString = buildQueryString
|
|
m.parsePathname = parsePathname
|
|
m.buildPathname = buildPathname
|
|
m.vnode = Vnode
|
|
m.PromisePolyfill = PromisePolyfill
|
|
if (typeof module !== "undefined") module["exports"] = m
|
|
else window.m = m
|
|
}()); |