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18 lines
470 B
TypeScript
Executable File
18 lines
470 B
TypeScript
Executable File
// 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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