[Release] Stage to Main #2943
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,138 @@ | ||
| import { AEM } from './aem.js'; | ||
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| const ATTR_AEM_BUCKET = 'aem-bucket'; | ||
| const AEM_BUCKET = 'publish-p22655-e155390'; | ||
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| class FragmentCache { | ||
| #fragmentCache = new Map(); | ||
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| clear() { | ||
| this.#fragmentCache.clear(); | ||
| } | ||
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| add(...items) { | ||
| items.forEach((item) => { | ||
| const { path } = item; | ||
| if (path) { | ||
| this.#fragmentCache.set(path, item); | ||
| } | ||
| }); | ||
| } | ||
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| has(path) { | ||
| return this.#fragmentCache.has(path); | ||
| } | ||
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| get(path) { | ||
| return this.#fragmentCache.get(path); | ||
| } | ||
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| remove(path) { | ||
| this.#fragmentCache.delete(path); | ||
| } | ||
| } | ||
| const cache = new FragmentCache(); | ||
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| /** | ||
| * Custom element representing a AemDataSource. | ||
| * | ||
| * @attr {string} path - fragment path | ||
| */ | ||
| export class AemDataSource extends HTMLElement { | ||
| /** | ||
| * @type {import('@adobe/mas-web-components').AEM} | ||
| */ | ||
| #aem; | ||
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| cache = cache; | ||
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| /** | ||
| * @type {import('@adobe/mas-web-components').Fragment} | ||
| */ | ||
| item; | ||
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| /** | ||
| * @type {HtmlElement[]} | ||
| */ | ||
| refs = []; | ||
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| /** | ||
| * @type {string} fragment path | ||
| */ | ||
| path; | ||
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| /** | ||
| * Consonant styling for CTAs. | ||
| */ | ||
| consonant = false; | ||
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| /** | ||
| * Internal promise to track the readiness of the web-component to render. | ||
| */ | ||
| _readyPromise; | ||
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| static get observedAttributes() { | ||
| return ['path']; | ||
| } | ||
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| attributeChangedCallback(name, oldValue, newValue) { | ||
| this[name] = newValue; | ||
| } | ||
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| connectedCallback() { | ||
| this.consonant = this.hasAttribute('consonant'); | ||
| this.clearRefs(); | ||
| const bucket = this.getAttribute(ATTR_AEM_BUCKET) ?? AEM_BUCKET; | ||
| this.#aem = new AEM(bucket); | ||
| this.refresh(false); | ||
| } | ||
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| clearRefs() { | ||
| this.refs.forEach((ref) => { | ||
| ref.remove(); | ||
| }); | ||
| } | ||
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| async refresh(flushCache = true) { | ||
| if (!this.path) return; | ||
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| if (this._readyPromise) { | ||
| const ready = await Promise.race([ | ||
| this._readyPromise, | ||
| Promise.resolve(false), | ||
| ]); | ||
| if (!ready) return; // already fetching data | ||
| } | ||
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| this.clearRefs(); | ||
| this.refs = []; | ||
| if (flushCache) { | ||
| this.cache.remove(this.path); | ||
| } | ||
| this._readyPromise = this.fetchData().then(() => true); | ||
| } | ||
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| async fetchData() { | ||
| let item = cache.get(this.path); | ||
| if (!item) { | ||
| item = await this.#aem.sites.cf.fragments.getByPath(this.path); | ||
| cache.add(item); | ||
| } | ||
| this.item = item; | ||
| this.render(); | ||
| } | ||
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| get updateComplete() { | ||
| return ( | ||
| this._readyPromise ?? | ||
| Promise.reject(new Error('datasource is not correctly configured')) | ||
| ); | ||
| } | ||
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| /* c8 ignore next 3 */ | ||
| async render() { | ||
| // abstract method | ||
| } | ||
| } | ||
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| customElements.define('aem-datasource', AemDataSource); |
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