16 lines
578 B
JavaScript
16 lines
578 B
JavaScript
/** 同一套规则用于首屏内联启动和运行时切换，避免两次绘制使用不同主题。 */
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export function applyTheme(mode) {
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if (mode === undefined) {
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try {
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mode = localStorage.getItem("theme");
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} catch {}
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}
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if (mode !== "light" && mode !== "dark") mode = "auto";
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const dark =
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mode === "dark" ||
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(mode === "auto" && matchMedia("(prefers-color-scheme: dark)").matches);
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document.documentElement.classList.toggle("app-dark", dark);
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document.documentElement.style.colorScheme = dark ? "dark" : "light";
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return { mode, dark };
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}
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