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feat: client-side cache for ajax-select inputs

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imperosol 2024-12-06 18:28:12 +01:00
parent 0b509f2200
commit 84d7e40e66
1 changed files with 13 additions and 1 deletions
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14
core/static/bundled/core/components/ajax-select-base.ts
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@ -103,6 +103,12 @@ export class AutoCompleteSelectBase extends inheritHtmlElement("select") {
export abstract class AjaxSelect extends AutoCompleteSelectBase { export abstract class AjaxSelect extends AutoCompleteSelectBase {
protected filter?: (items: TomOption[]) => TomOption[] = null; protected filter?: (items: TomOption[]) => TomOption[] = null;
protected minCharNumberForSearch = 2; protected minCharNumberForSearch = 2;
/**
* A cache of researches that have been made using this input.
* For each record, the key is the user's query and the value
* is the list of results sent back by the server.
*/
protected cache = {} as Record<string, TomOption[]>;
protected abstract valueField: string; protected abstract valueField: string;
protected abstract labelField: string; protected abstract labelField: string;
@ -135,7 +141,13 @@ export abstract class AjaxSelect extends AutoCompleteSelectBase {
this.widget.clearOptions(); this.widget.clearOptions();
} }
const resp = await this.search(query); // Check in the cache if this query has already been typed
// and do an actual HTTP request only if the result isn't cached
let resp = this.cache[query];
if (!resp) {
resp = await this.search(query);
this.cache[query] = resp;
}
if (this.filter) { if (this.filter) {
callback(this.filter(resp), []); callback(this.filter(resp), []);