ruoyi-plus-vben5/internal/vite-config/src/plugins/inject-app-loading/index.ts

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2024-05-19 21:20:42 +08:00
import { join } from 'node:path';
import { fileURLToPath } from 'node:url';
import { fs } from '@vben/node-utils';
import { type PluginOption } from 'vite';
/**
* loading样式注入到项目中
* app提供loading样式 app -> index.html单独引入
*/
async function viteInjectAppLoadingPlugin(): Promise<PluginOption | undefined> {
const loadingHtml = await getLoadingRawByHtmlTemplate();
if (!loadingHtml) {
return;
}
return {
enforce: 'pre',
name: 'vite:inject-app-loading',
transformIndexHtml: {
handler(html) {
const re = /<div\s*id\s*=\s*"app"\s*>(\s*)<\/div>/;
html = html.replace(re, `<div id="app">${loadingHtml}</div>`);
return html;
},
order: 'pre',
},
};
}
/**
* loading的html模板
*/
async function getLoadingRawByHtmlTemplate() {
const __dirname = fileURLToPath(new URL('.', import.meta.url));
const loadingPath = join(__dirname, './loading.html');
if (!fs.existsSync(loadingPath)) {
return;
}
const htmlRaw = await fs.readFile(loadingPath, 'utf8');
return htmlRaw;
}
export { viteInjectAppLoadingPlugin };