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// https://github.com/luxueyan/vite-transform-globby-import/blob/master/src/index.ts
// TODO 目前还不能监听文件新增及删除 内容已经改变，缓存问题？
// 可以使用，先不打算集成
import { join } from 'path';
import { lstatSync } from 'fs';
import glob from 'glob';
import { createResolver, Resolver } from 'vite/dist/node/resolver.js';
import { Transform } from 'vite/dist/node/transform.js';
const modulesDir: string = join(process.cwd(), '/node_modules/');
interface SharedConfig {
root?: string;
alias?: Record<string, string>;
resolvers?: Resolver[];
}
function template(template: string) {
return (data: { [x: string]: any }) => {
return template.replace(/#([^#]+)#/g, (_, g1) => data[g1] || g1);
};
}
const globbyTransform = function (config: SharedConfig): Transform {
const resolver = createResolver(
config.root || process.cwd(),
config.resolvers || [],
config.alias || {}
);
const cache = new Map();
const urlMap = new Map();
return {
test({ path }) {
const filePath = path.replace('\u0000', ''); // why some path startsWith '\u0000'?
try {
return (
!filePath.startsWith(modulesDir) &&
/\.(vue|js|jsx|ts|tsx)$/.test(filePath) &&
lstatSync(filePath).isFile()
);
} catch {
return false;
}
},
transform({ code, path, isBuild }) {
let result = cache.get(path);
if (!result) {
const reg = /import\s+([\w\s{}*]+)\s+from\s+(['"])globby(\?path)?!([^'"]+)\2/g;
const match = code.match(reg);
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if (lastImport && match) {
code = code.replace(lastImport, match[0]);
}
result = code.replace(reg, (_, g1, g2, g3, g4) => {
const filePath = path.replace('\u0000', ''); // why some path startsWith '\u0000'?
// resolve path
const resolvedFilePath = g4.startsWith('.')
? resolver.resolveRelativeRequest(filePath, g4)
: { pathname: resolver.requestToFile(g4) };
const files = glob.sync(resolvedFilePath.pathname, { dot: true });
let templateStr = 'import #name# from #file#'; // import default
let name = g1;
const m = g1.match(/\{\s*(\w+)(\s+as\s+(\w+))?\s*\}/); // import module
const m2 = g1.match(/\*\s+as\s+(\w+)/); // import * as all module
if (m) {
templateStr = `import { ${m[1]} as #name# } from #file#`;
name = m[3] || m[1];
} else if (m2) {
templateStr = 'import * as #name# from #file#';
name = m2[1];
}
const temRender = template(templateStr);
const groups: Array<string>[] = [];
const replaceFiles = files.map((f, i) => {
const file = g2 + resolver.fileToRequest(f) + g2;
groups.push([name + i, file]);
return temRender({ name: name + i, file });
});
urlMap.set(path, replaceFiles.join('\n'));
return (
replaceFiles.join('\n') +
(g3 ? '\n' + groups.map((v) => `${v[0]}._path = ${v[1]}`).join('\n') : '') +
`\nconst ${name} = { ${groups.map((v) => v[0]).join(',')} }\n`
);
});
if (isBuild) cache.set(path, result);
}
return result;
},
};
};
export default globbyTransform;
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