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requireHook.ts
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requireHook.ts
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// MIT: copy from https://github.com/vercel/next.js/blob/canary/packages/next/build/webpack/require-hook.ts
// sync injects a hook for webpack and webpack/... requires to use the internal ncc webpack version
// this is in order for userland plugins to attach to the same webpack instance as umi
// the individual compiled modules are as defined for the compilation in bundles/webpack/packages/*
// @ts-ignore
import deepImports from '@umijs/bundler-webpack/compiled/webpack/deepImports.json';
import { join } from 'path';
const PKG_ROOT = join(__dirname, '../');
const resolve = (p: string) => join(PKG_ROOT, p);
const hookPropertyMap = new Map([
['webpack', resolve('compiled/webpack')],
['webpack/package', resolve('compiled/webpack/package')],
['webpack/package.json', resolve('compiled/webpack/package')],
['webpack/lib/webpack', resolve('compiled/webpack')],
['webpack/lib/webpack.js', resolve('compiled/webpack')],
]);
deepImports.forEach((item: string) => {
const name = item.split('/').pop();
hookPropertyMap.set(item, resolve(`compiled/webpack/${name}`));
hookPropertyMap.set(`${item}.js`, resolve(`compiled/webpack/${name}`));
});
const mod = require('module');
const resolveFilename = mod._resolveFilename;
mod._resolveFilename = function (
request: string,
parent: any,
isMain: boolean,
options: any,
) {
const hookResolved = hookPropertyMap.get(request);
if (hookResolved) request = hookResolved;
return resolveFilename.call(mod, request, parent, isMain, options);
};