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Rob Lourens
c19696babb
* Fix loading copilot-sdk 0.2 * Comment Co-authored-by: Copilot <copilot@github.com> * comment --------- Co-authored-by: Copilot <copilot@github.com>
102 lines
3.8 KiB
TypeScript
102 lines
3.8 KiB
TypeScript
/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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// *********************************************************************
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// * *
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// * We need this to redirect to node_modules from the remote-folder. *
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// * This ONLY applies when running out of source. *
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// * *
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// *********************************************************************
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import { fileURLToPath, pathToFileURL } from 'node:url';
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import { promises } from 'node:fs';
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import { join } from 'node:path';
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// SEE https://nodejs.org/docs/latest/api/module.html#initialize
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const _specifierToUrl: Record<string, string> = {};
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const _specifierToFormat: Record<string, string> = {};
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export async function initialize(injectPath: string): Promise<void> {
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// populate mappings
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const injectPackageJSONPath = fileURLToPath(new URL('../package.json', pathToFileURL(injectPath)));
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const packageJSON = JSON.parse(String(await promises.readFile(injectPackageJSONPath)));
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for (const [name] of Object.entries(packageJSON.dependencies)) {
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try {
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const path = join(injectPackageJSONPath, `../node_modules/${name}/package.json`);
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const pkgJson = JSON.parse(String(await promises.readFile(path)));
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// Determine the entry point: prefer exports["."].import for ESM, then main.
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// Handle conditional export targets where exports["."].import/default
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// can be a string or an object with a string `default` field.
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// (Added for copilot-sdk)
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let main: string | undefined;
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if (pkgJson.exports?.['.']) {
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const dotExport = pkgJson.exports['.'];
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if (typeof dotExport === 'string') {
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main = dotExport;
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} else if (typeof dotExport === 'object' && dotExport !== null) {
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const resolveCondition = (v: unknown): string | undefined => {
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if (typeof v === 'string') {
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return v;
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}
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if (typeof v === 'object' && v !== null) {
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const d = (v as { default?: unknown }).default;
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if (typeof d === 'string') {
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return d;
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}
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}
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return undefined;
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};
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main = resolveCondition(dotExport.import) ?? resolveCondition(dotExport.default);
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}
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}
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if (typeof main !== 'string') {
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main = typeof pkgJson.main === 'string' ? pkgJson.main : undefined;
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}
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if (!main) {
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main = 'index.js';
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}
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if (!main.endsWith('.js') && !main.endsWith('.mjs') && !main.endsWith('.cjs')) {
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main += '.js';
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}
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const mainPath = join(injectPackageJSONPath, `../node_modules/${name}/${main}`);
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_specifierToUrl[name] = pathToFileURL(mainPath).href;
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// Determine module format: .mjs is always ESM, .cjs always CJS, otherwise check type field
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const isModule = main.endsWith('.mjs')
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? true
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: main.endsWith('.cjs')
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? false
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: pkgJson.type === 'module';
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_specifierToFormat[name] = isModule ? 'module' : 'commonjs';
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} catch (err) {
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console.error(name);
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console.error(err);
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}
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}
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console.log(`[bootstrap-import] Initialized node_modules redirector for: ${injectPath}`);
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}
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export async function resolve(specifier: string | number, context: unknown, nextResolve: (arg0: unknown, arg1: unknown) => unknown) {
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const newSpecifier = _specifierToUrl[specifier];
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if (newSpecifier !== undefined) {
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return {
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format: _specifierToFormat[specifier] ?? 'commonjs',
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shortCircuit: true,
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url: newSpecifier
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};
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}
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// Defer to the next hook in the chain, which would be the
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// Node.js default resolve if this is the last user-specified loader.
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return nextResolve(specifier, context);
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}
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