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https://github.com/grafana/grafana.git
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afd39c18ba
* Move TraceView to core grafana * Remove unused code * yarn install * Remove jaeger-ui-components from CODEOWNERS and other tools * Type fixes * yarn install * Remove mock that we no longer need * Fix merge conflicts * Re-add Apache license for trace view components * Use an exclamation-circle instead of triangle to denote errors * Remove eslint disables and update betterer results instead
56 lines
1.7 KiB
TypeScript
56 lines
1.7 KiB
TypeScript
// Copyright (c) 2017 Uber Technologies, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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import Tween from './Tween';
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const DURATION_MS = 350;
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let lastTween: Tween | void;
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// TODO(joe): this util can be modified a bit to be generalized (e.g. take in
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// an element as a parameter and use scrollTop instead of window.scrollTo)
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function _onTweenUpdate({ done, value }: { done: boolean; value: number }) {
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window.scrollTo(window.scrollX, value);
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if (done) {
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lastTween = undefined;
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}
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}
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export function scrollBy(yDelta: number, appendToLast = false) {
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const { scrollY } = window;
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let targetFrom = scrollY;
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if (appendToLast && lastTween) {
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const currentDirection = lastTween.to < scrollY ? 'up' : 'down';
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const nextDirection = yDelta < 0 ? 'up' : 'down';
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if (currentDirection === nextDirection) {
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targetFrom = lastTween.to;
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}
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}
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const to = targetFrom + yDelta;
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lastTween = new Tween({ to, duration: DURATION_MS, from: scrollY, onUpdate: _onTweenUpdate });
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}
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export function scrollTo(y: number) {
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const { scrollY } = window;
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lastTween = new Tween({ duration: DURATION_MS, from: scrollY, to: y, onUpdate: _onTweenUpdate });
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}
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export function cancel() {
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if (lastTween) {
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lastTween.cancel();
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lastTween = undefined;
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}
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}
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