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Co-authored-by: Daniel Lemire <daniel@lemire.me> PR-URL: nodejs#50322 Reviewed-By: Jacob Smith <jacob@frende.me> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Geoffrey Booth <webadmin@geoffreybooth.com> # Conflicts: # lib/internal/modules/package_json_reader.js # src/node_file.cc # test/parallel/test-module-binding.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,69 +1,44 @@ | ||
| 'use strict'; | ||
|
|
||
| const { | ||
| StringPrototypeEndsWith, | ||
| } = primordials; | ||
| const { URL, fileURLToPath } = require('internal/url'); | ||
| const packageJsonReader = require('internal/modules/package_json_reader'); | ||
| const { ArrayIsArray } = primordials; | ||
| const modulesBinding = internalBinding('modules'); | ||
| const { deserializePackageJSON } = require('internal/modules/package_json_reader'); | ||
|
|
||
| /** | ||
| * @typedef {object} PackageConfig | ||
| * @property {string} pjsonPath - The path to the package.json file. | ||
| * @property {boolean} exists - Whether the package.json file exists. | ||
| * @property {'none' | 'commonjs' | 'module'} type - The type of the package. | ||
| * @property {string} [name] - The name of the package. | ||
| * @property {string} [main] - The main entry point of the package. | ||
| * @property {PackageTarget} [exports] - The exports configuration of the package. | ||
| * @property {Record<string, string | Record<string, string>>} [imports] - The imports configuration of the package. | ||
| */ | ||
| /** | ||
| * @typedef {string | string[] | Record<string, string | Record<string, string>>} PackageTarget | ||
| */ | ||
| // TODO(@anonrig): Merge this file with internal/esm/package_json_reader.js | ||
|
|
||
| /** | ||
| * Returns the package configuration for the given resolved URL. | ||
| * @param {URL | string} resolved - The resolved URL. | ||
| * @returns {PackageConfig} - The package configuration. | ||
| * @returns {import('typings/internalBinding/modules').PackageConfig} - The package configuration. | ||
| */ | ||
| function getPackageScopeConfig(resolved) { | ||
| let packageJSONUrl = new URL('./package.json', resolved); | ||
| while (true) { | ||
| const packageJSONPath = packageJSONUrl.pathname; | ||
| if (StringPrototypeEndsWith(packageJSONPath, 'node_modules/package.json')) { | ||
| break; | ||
| } | ||
| const packageConfig = packageJsonReader.read(fileURLToPath(packageJSONUrl), { | ||
| __proto__: null, | ||
| specifier: resolved, | ||
| isESM: true, | ||
| }); | ||
| if (packageConfig.exists) { | ||
| return packageConfig; | ||
| } | ||
|
|
||
| const lastPackageJSONUrl = packageJSONUrl; | ||
| packageJSONUrl = new URL('../package.json', packageJSONUrl); | ||
| const result = modulesBinding.getPackageScopeConfig(`${resolved}`); | ||
|
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||
| // Terminates at root where ../package.json equals ../../package.json | ||
| // (can't just check "/package.json" for Windows support). | ||
| if (packageJSONUrl.pathname === lastPackageJSONUrl.pathname) { | ||
| break; | ||
| } | ||
| if (ArrayIsArray(result)) { | ||
| return deserializePackageJSON(`${resolved}`, result, false /* checkIntegrity */); | ||
| } | ||
| const packageJSONPath = fileURLToPath(packageJSONUrl); | ||
|
|
||
| // This means that the response is a string | ||
| // and it is the path to the package.json file | ||
| return { | ||
| __proto__: null, | ||
| pjsonPath: packageJSONPath, | ||
| pjsonPath: result, | ||
| exists: false, | ||
| main: undefined, | ||
| name: undefined, | ||
| type: 'none', | ||
| exports: undefined, | ||
| imports: undefined, | ||
| }; | ||
| } | ||
|
|
||
| /** | ||
| * Returns the package type for a given URL. | ||
| * @param {URL} url - The URL to get the package type for. | ||
| */ | ||
| function getPackageType(url) { | ||
| // TODO(@anonrig): Write a C++ function that returns only "type". | ||
| return getPackageScopeConfig(url).type; | ||
| } | ||
|
|
||
|
|
||
| module.exports = { | ||
| getPackageScopeConfig, | ||
| getPackageType, | ||
| }; |
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