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https://github.com/TryGhost/Ghost.git
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8d01fb5556
no issue - ran [ember-native-class-codemod](https://github.com/ember-codemods/ember-native-class-codemod) to convert the majority of remaining EmberObject based controllers and components to native class syntax using the `@classic` decorator - skipped older style modal components (`components/modal-*.js`) due to observed incompatibilities in some cases
36 lines
1.1 KiB
JavaScript
36 lines
1.1 KiB
JavaScript
import Component from '@ember/component';
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import classic from 'ember-classic-decorator';
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import {action} from '@ember/object';
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import {run} from '@ember/runloop';
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import {tagName} from '@ember-decorators/component';
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@classic
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@tagName('')
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export default class GhCanvasHeader extends Component {
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@action
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initScrollWatch(element) {
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this._onScroll = run.bind(this, this.onScroll, element);
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this._scrollContainer = element.closest('.gh-main');
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if (this._scrollContainer) {
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this._scrollContainer.addEventListener('scroll', this._onScroll, {passive: true});
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}
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}
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@action
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clearScrollWatch() {
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if (this._scrollContainer) {
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this._scrollContainer.removeEventListener('scroll', this._onScroll);
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}
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}
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onScroll(element) {
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if (this._isSticky && this._scrollContainer.scrollTop < 10) {
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element.classList.remove('gh-canvas-header--sticky');
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this._isSticky = false;
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} else if (!this._isSticky && this._scrollContainer.scrollTop > 10) {
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element.classList.add('gh-canvas-header--sticky');
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this._isSticky = true;
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}
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}
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}
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