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Add ability to use local options #133

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Add ability to use local options #133

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7bc62b3
Add ability to use local options
krzyzak Mar 2, 2023
40ece79
bugfix
krzyzak Oct 14, 2024
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32 changes: 26 additions & 6 deletions src/autocomplete.js
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@ export default class Autocomplete extends Controller {
submitOnEnter: Boolean,
url: String,
minLength: Number,
options: Array,
delay: { type: Number, default: 300 },
queryParam: { type: String, default: "q" },
}
Expand Down Expand Up @@ -192,12 +193,10 @@ export default class Autocomplete extends Controller {
}

fetchResults = async (query) => {
if (!this.hasUrlValue) return

const url = this.buildURL(query)
try {
this.element.dispatchEvent(new CustomEvent("loadstart"))
const html = await this.doFetch(url)
const html = await (this.hasOptionsValue ? this.fetchLocalOptions(query) : this.fetchRemoteResults(query))

this.replaceResults(html)
this.element.dispatchEvent(new CustomEvent("load"))
this.element.dispatchEvent(new CustomEvent("loadend"))
Expand All @@ -208,6 +207,28 @@ export default class Autocomplete extends Controller {
}
}

fetchLocalOptions = (query) => {
const parsedQuery = query.trim().toLowerCase()
const matchingOptions = this.optionsValue.filter(o => this.optionMatches(parsedQuery, o))

return matchingOptions.map(o => this.decorateResult(o)).join('\n')
}

optionMatches(query, option) {
return option.toLowerCase().includes(query)
}

decorateResult = (result) => {
return `<li data-autocomplete-value="${result}" role="option" class="list-group-item"><span class="label">${result}</span></li>`
}

fetchRemoteResults = async (query) => {
if (!this.hasUrlValue) return

const url = this.buildURL(query)
return await this.doFetch(url)
}

buildURL(query) {
const url = new URL(this.urlValue, window.location.href)
const params = new URLSearchParams(url.search.slice(1))
Expand All @@ -224,8 +245,7 @@ export default class Autocomplete extends Controller {
throw new Error(`Server responded with status ${response.status}`)
}

const html = await response.text()
return html
return await response.text()
}

replaceResults(html) {
Expand Down