37 lines
859 B
JavaScript
37 lines
859 B
JavaScript
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// taken from isobject npm library
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function isObject(val) {
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return val != null && typeof val === 'object' && Array.isArray(val) === false
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}
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export default function defaults(options, def) {
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let out = { }
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if (options) {
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Object.keys(options || {}).forEach(key => {
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out[key] = options[key]
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if (Array.isArray(out[key])) {
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out[key] = out[key].map(item => {
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if (isObject(item)) return defaults(item)
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return item
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})
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} else if (out[key] instanceof Date) {
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out[key] = new Date(out[key])
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} else if (out[key] && typeof out[key] === 'object') {
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out[key] = defaults(options[key], def && def[key])
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}
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})
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}
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if (def) {
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Object.keys(def).forEach(function(key) {
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if (typeof out[key] === 'undefined') {
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out[key] = def[key]
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}
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})
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}
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return out
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}
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