import type { Plugin } from 'vite';
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function viteDayjsPlugin(): Plugin {
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return {
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name: 'vite-dayjs-plugin',
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enforce: 'pre',
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async resolveId(source, importer, options) {
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// 1) 已经使用了 dayjs/esm 的不处理
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if (source.startsWith('dayjs/esm')) return null;
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// 2) 根入口：dayjs -> dayjs/esm
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if (source === 'dayjs') {
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return await this.resolve('dayjs/esm', importer, {
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skipSelf: true,
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...options,
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});
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}
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// 3) 插件入口的多种写法
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// - dayjs/plugin/xxx.js -> dayjs/esm/plugin/xxx/index.js
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// - dayjs/plugin/xxx -> dayjs/esm/plugin/xxx
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const pluginWithJs = source.match(/^dayjs\/plugin\/([^/]+)\.js$/);
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if (pluginWithJs) {
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const target = `dayjs/esm/plugin/${pluginWithJs[1]}/index.js`;
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return await this.resolve(target, importer, {
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skipSelf: true,
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...options,
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});
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}
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const pluginBare = source.match(/^dayjs\/plugin\/([^/]+)$/);
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if (pluginBare) {
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const target = `dayjs/esm/plugin/${pluginBare[1]}`;
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return await this.resolve(target, importer, {
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skipSelf: true,
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...options,
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});
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}
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// 4) 处理多语言包
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// - dayjs/locale/xxx.js -> dayjs/esm/locale/xxx.js
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const localeWithJs = source.match(/^dayjs\/locale\/([^/]+)\.js$/);
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if (localeWithJs) {
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const target = `dayjs/esm/locale/${localeWithJs[1]}.js`;
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return await this.resolve(target, importer, {
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skipSelf: true,
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...options,
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});
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}
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const localeBare = source.match(/^dayjs\/locale\/([^/]+)$/);
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if (localeBare) {
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const target = `dayjs/esm/locale/${localeBare[1]}`;
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return await this.resolve(target, importer, {
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skipSelf: true,
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...options,
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});
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}
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return null;
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},
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config() {
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return {
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optimizeDeps: {
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exclude: ['dayjs'],
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},
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};
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},
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};
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}
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export { viteDayjsPlugin };
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