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75 lines
2.1 KiB
TypeScript
75 lines
2.1 KiB
TypeScript
/* 动态改变element-plus主题色 */
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import rgbHex from "rgb-hex";
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import color from "css-color-function";
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import epCss from "element-plus/dist/index.css";
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// 色值表
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const formula = {
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"shade-1": "color(primary shade(10%))",
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"light-1": "color(primary tint(10%))",
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"light-2": "color(primary tint(20%))",
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"light-3": "color(primary tint(30%))",
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"light-4": "color(primary tint(40%))",
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"light-5": "color(primary tint(50%))",
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"light-6": "color(primary tint(60%))",
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"light-7": "color(primary tint(70%))",
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"light-8": "color(primary tint(80%))",
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"light-9": "color(primary tint(90%))"
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};
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// 把生成的样式表写入到style中
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export const writeNewStyle = (newStyle: string): void => {
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const style = window.document.createElement("style");
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style.innerText = newStyle;
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window.document.head.appendChild(style);
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};
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// 根据主题色，生成最新的样式表
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export const createNewStyle = (primaryStyle: string): string => {
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// 根据主色生成色值表
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const colors = createColors(primaryStyle);
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// 在当前ep的默认样式表中标记需要替换的色值
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let cssText = getStyleTemplate(epCss);
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// 遍历生成的色值表，在 默认样式表 进行全局替换
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Object.keys(colors).forEach(key => {
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cssText = cssText.replace(
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new RegExp("(:|\\s+)" + key, "g"),
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"$1" + colors[key]
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);
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});
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return cssText;
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};
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export const createColors = (primary: string) => {
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if (!primary) return;
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const colors = {
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primary
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};
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Object.keys(formula).forEach(key => {
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const value = formula[key].replace(/primary/, primary);
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colors[key] = "#" + rgbHex(color.convert(value));
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});
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return colors;
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};
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const getStyleTemplate = (data: string): string => {
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const colorMap = {
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"#3a8ee6": "shade-1",
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"#409eff": "primary",
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"#53a8ff": "light-1",
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"#66b1ff": "light-2",
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"#79bbff": "light-3",
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"#8cc5ff": "light-4",
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"#a0cfff": "light-5",
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"#b3d8ff": "light-6",
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"#c6e2ff": "light-7",
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"#d9ecff": "light-8",
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"#ecf5ff": "light-9"
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};
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Object.keys(colorMap).forEach(key => {
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const value = colorMap[key];
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data = data.replace(new RegExp(key, "ig"), value);
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});
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return data;
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};
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