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8f5270899f
Transform frontend module format from AMD to ESM GitOrigin-RevId: 9adbcdc95e819a54114010c6fd3521d8f58ef2fe
56 lines
1.3 KiB
JavaScript
56 lines
1.3 KiB
JavaScript
/* eslint-disable
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max-len,
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no-return-assign,
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*/
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// TODO: This file was created by bulk-decaffeinate.
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// Fix any style issues and re-enable lint.
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/*
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* decaffeinate suggestions:
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* DS102: Remove unnecessary code created because of implicit returns
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* Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
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*/
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import App from '../base'
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export default App.directive('updateScrollBottomOn', $timeout => ({
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restrict: 'A',
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link(scope, element, attrs, ctrls) {
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// We keep the offset from the bottom fixed whenever the event fires
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//
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// ^ | ^
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// | | | scrollTop
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// | | v
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// | |-----------
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// | | ^
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// | | |
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// | | | clientHeight (viewable area)
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// | | |
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// | | |
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// | | v
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// | |-----------
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// | | ^
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// | | | scrollBottom
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// v | v
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// \
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// scrollHeight
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let scrollBottom = 0
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element.on(
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'scroll',
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e =>
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(scrollBottom =
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element[0].scrollHeight -
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element[0].scrollTop -
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element[0].clientHeight)
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)
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return scope.$on(attrs.updateScrollBottomOn, () =>
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$timeout(
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() =>
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element.scrollTop(
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element[0].scrollHeight - element[0].clientHeight - scrollBottom
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),
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0
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)
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)
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}
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}))
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