34 lines
814 B
JavaScript
34 lines
814 B
JavaScript
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import format from 'format-link-header'
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import * as pagination from './helpers.mjs'
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export default class ParserMiddleware {
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constructor(opts = {}) {
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Object.assign(this, {
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pagination: opts.pagination || pagination,
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format: opts.format || format,
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})
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}
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contextParser() {
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return (ctx) => {
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ctx.state.pagination = this.pagination.parsePagination(ctx)
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ctx.state.filter = this.pagination.parseFilter(ctx)
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}
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}
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generateLinks() {
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return async (ctx, next) => {
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await next()
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if (ctx.state.pagination.total > 0) {
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ctx.set('Link', this.format(this.pagination.generateLinks(ctx, ctx.state.pagination.total)))
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}
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if (ctx.state.pagination.total != null) {
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ctx.set('pagination_total', ctx.state.pagination.total)
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}
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}
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}
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}
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