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40 lines
1.6 KiB
TypeScript
Executable File
40 lines
1.6 KiB
TypeScript
Executable File
/**
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* Copyright (c) 2021 OpenLens Authors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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// Helper for getting/setting css-variables
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export function cssVar(elem: HTMLElement) {
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return {
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get(name: string) {
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const value = window.getComputedStyle(elem).getPropertyValue(name).trim();
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return {
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toString: () => value,
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valueOf: () => parseFloat(value),
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};
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},
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set(name: string, value: number | string) {
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if (typeof value === "number") value = `${value}px`;
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elem.style.setProperty(name, value);
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},
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};
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}
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