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Prevent rendering fetch results arriving out of order #151

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Prevent rendering fetch results arriving out of order #151

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5 changes: 5 additions & 0 deletions src/autocomplete.js
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,8 @@ export default class Autocomplete extends Controller {
}
static uniqOptionId = 0

#latestFetchAt = null

connect() {
this.close()

Expand Down Expand Up @@ -197,7 +199,10 @@ export default class Autocomplete extends Controller {
const url = this.buildURL(query)
try {
this.element.dispatchEvent(new CustomEvent("loadstart"))
const currentFetchAt = new Date
const html = await this.doFetch(url)
if (this.#latestFetchAt && this.#latestFetchAt > currentFetchAt) return
this.#latestFetchAt = currentFetchAt
this.replaceResults(html)
this.element.dispatchEvent(new CustomEvent("load"))
this.element.dispatchEvent(new CustomEvent("loadend"))
Expand Down