61 lines
1.8 KiB
JavaScript
61 lines
1.8 KiB
JavaScript
|
/*---------------------------------------------------------------------------------------------
|
||
|
|
* Copyright (c) Microsoft Corporation. All rights reserved.
|
||
|
|
* Licensed under the MIT License. See License.txt in the project root for license information.
|
||
|
|
*--------------------------------------------------------------------------------------------*/
|
||
|
|
|
||
|
|
//@ts-check
|
||
|
|
'use strict';
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Add support for redirecting the loading of node modules
|
||
|
|
*
|
||
|
|
* @param {string} injectPath
|
||
|
|
*/
|
||
|
|
exports.injectNodeModuleLookupPath = function (injectPath) {
|
||
|
|
if (!injectPath) {
|
||
|
|
throw new Error('Missing injectPath');
|
||
|
|
}
|
||
|
|
|
||
|
|
const Module = require('module');
|
||
|
|
const path = require('path');
|
||
|
|
|
||
|
|
const nodeModulesPath = path.join(__dirname, '../node_modules');
|
||
|
|
|
||
|
|
// @ts-ignore
|
||
|
|
const originalResolveLookupPaths = Module._resolveLookupPaths;
|
||
|
|
|
||
|
|
// @ts-ignore
|
||
|
|
Module._resolveLookupPaths = function (moduleName, parent) {
|
||
|
|
const paths = originalResolveLookupPaths(moduleName, parent);
|
||
|
|
if (Array.isArray(paths)) {
|
||
|
|
for (let i = 0, len = paths.length; i < len; i++) {
|
||
|
|
if (paths[i] === nodeModulesPath) {
|
||
|
|
paths.splice(i, 0, injectPath);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return paths;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
exports.removeGlobalNodeModuleLookupPaths = function () {
|
||
|
|
const Module = require('module');
|
||
|
|
// @ts-ignore
|
||
|
|
const globalPaths = Module.globalPaths;
|
||
|
|
|
||
|
|
// @ts-ignore
|
||
|
|
const originalResolveLookupPaths = Module._resolveLookupPaths;
|
||
|
|
|
||
|
|
// @ts-ignore
|
||
|
|
Module._resolveLookupPaths = function (moduleName, parent) {
|
||
|
|
const paths = originalResolveLookupPaths(moduleName, parent);
|
||
|
|
let commonSuffixLength = 0;
|
||
|
|
while (commonSuffixLength < paths.length && paths[paths.length - 1 - commonSuffixLength] === globalPaths[globalPaths.length - 1 - commonSuffixLength]) {
|
||
|
|
commonSuffixLength++;
|
||
|
|
}
|
||
|
|
return paths.slice(0, paths.length - commonSuffixLength);
|
||
|
|
};
|
||
|
|
};
|