41 lines
2 KiB
JavaScript
41 lines
2 KiB
JavaScript
/**
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* posterSectionElement.js — registers <dxm-poster-section>: ONE poster section, any poster type, as an element.
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*
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* <dxm-poster-section type="country" scope="africa" locale="ar"></dxm-poster-section>
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*
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* Attributes: type (default "country"), scope (a region / continent / list key), collapsible (default on;
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* collapsible="false" turns it off), collapsed (start shut), locale, assets-base, api-base-url, is-dark, columns
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* (posters per row, 1-5), min-card-px (the narrowest a card gets before a row holds one fewer).
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* They are mapped into the standard element's profile-config, so the element keeps defineMapElement's per-instance
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* i18n and store, and the profile (PosterSectionView.vue) reads them like every other profile reads its config.
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* Any bundle can call registerPosterSectionElement(); a second call is a no-op.
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*/
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import { defineMapElement } from './defineMapElement.js'
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import { ATTRS, TAG, posterSectionConfig } from './posterSectionConfig.js'
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export { posterSectionConfig }
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export function registerPosterSectionElement(tag = TAG) {
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if (typeof customElements === 'undefined' || customElements.get(tag)) return
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const Base = defineMapElement({ profileModules: { './poster-section.vue': () => import('../components/poster/PosterSectionView.vue') } })
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class PosterSectionElement extends Base {
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connectedCallback() {
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this.syncConfig()
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if (!this.attrWatch) {
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this.attrWatch = new MutationObserver(() => this.syncConfig())
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this.attrWatch.observe(this, { attributes: true, attributeFilter: ATTRS })
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}
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super.connectedCallback()
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}
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disconnectedCallback() {
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if (this.attrWatch) { this.attrWatch.disconnect(); this.attrWatch = null }
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super.disconnectedCallback()
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}
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syncConfig() {
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const next = JSON.stringify(posterSectionConfig(this))
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if (this.getAttribute('profile-config') !== next) this.setAttribute('profile-config', next)
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}
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}
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customElements.define(tag, PosterSectionElement)
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}
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export default registerPosterSectionElement
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