111 lines
2.6 KiB
JavaScript
111 lines
2.6 KiB
JavaScript
import { Controller } from 'stimulus'
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import { Liquid } from 'liquidjs'
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const lunr = require("lunr")
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require("lunr-languages/lunr.stemmer.support")(lunr)
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require("lunr-languages/lunr.es")(lunr)
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export default class extends Controller {
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static targets = [ 'q' ]
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get q () {
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if (!this.hasQTarget) return
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if (!this.qTarget.value.trim().length === 0) return
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return this.qTarget.value.trim().replace(':', '')
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}
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connect () {
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const q = new URLSearchParams(window.location.search).get('q').trim()
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if (q) {
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this.qTarget.value = q
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this.search()
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}
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}
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async search (event) {
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// Detiene el envío del formulario
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if (event) {
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event.preventDefault()
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event.stopPropagation()
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}
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this.formDisable = true
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// Obtiene el término de búsqueda
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const q = this.q
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// Si no hay término de búsqueda, no hay búsqueda
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if (q) {
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// Trae el índice de búsqueda
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await this.fetch()
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// Hasta que no haya índice no buscamos nada, esto evita que se
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// aprete enter dos veces y se fallen cosas.
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if (!window.index) return
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}
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const main = document.querySelector('main')
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const results = window.index.search(q).map(r => window.data.find(a => a.id == r.ref))
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const site = await this.site()
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const request = await fetch('assets/templates/results.html')
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const template = await request.text()
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const html = await this.engine.parseAndRender(template, { q, site, results })
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const title = `${site.i18n.search.title} - ${q}`
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const query = new URLSearchParams({ q })
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window.history.pushState({ q }, title, `?${query.toString()}`)
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document.title = title
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main.innerHTML = html
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this.formDisable = false
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}
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async fetch () {
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// Solo permite descargar uno a la vez
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if (this.fetching) return
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this.fetching = true
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let response
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// Si no existe el índice, lo descarga y procesa Lunr
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if (!window.data) {
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response = await fetch('data.json')
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window.data = await response.json()
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}
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if (!window.index) {
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response = await fetch('idx.json')
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const idx = await response.json()
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window.index = lunr.Index.load(idx)
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}
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// Permitir volver a ejecutar
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this.fetching = false
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}
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set formDisable (disable) {
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this.element.elements.forEach(x => x.disabled = disable)
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}
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/*
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* Liquid renderer
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*
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* @return Liquid
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*/
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get engine () {
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if (!window.liquid) window.liquid = new Liquid()
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return window.liquid
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}
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async site () {
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if (!window.site) {
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const data = await fetch('assets/data/site.json')
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window.site = await data.json()
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}
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return window.site
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}
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}
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