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56 lines
1.4 KiB
JavaScript
56 lines
1.4 KiB
JavaScript
10 months ago
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// Manually “tree shaken” from:
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// <https://github.com/nodejs/node/blob/45f5c9b/lib/internal/modules/esm/package_config.js>
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// Last checked on: Nov 2, 2023.
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/**
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* @typedef {import('./package-json-reader.js').PackageConfig} PackageConfig
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*/
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import {URL, fileURLToPath} from 'node:url'
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import packageJsonReader from './package-json-reader.js'
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/**
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* @param {URL | string} resolved
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* @returns {PackageConfig}
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*/
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export function getPackageScopeConfig(resolved) {
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let packageJSONUrl = new URL('package.json', resolved)
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while (true) {
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const packageJSONPath = packageJSONUrl.pathname
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if (packageJSONPath.endsWith('node_modules/package.json')) {
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break
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}
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const packageConfig = packageJsonReader.read(
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fileURLToPath(packageJSONUrl),
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{specifier: resolved}
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)
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if (packageConfig.exists) {
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return packageConfig
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}
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const lastPackageJSONUrl = packageJSONUrl
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packageJSONUrl = new URL('../package.json', packageJSONUrl)
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// Terminates at root where ../package.json equals ../../package.json
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// (can't just check "/package.json" for Windows support).
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if (packageJSONUrl.pathname === lastPackageJSONUrl.pathname) {
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break
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}
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}
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const packageJSONPath = fileURLToPath(packageJSONUrl)
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return {
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pjsonPath: packageJSONPath,
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exists: false,
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main: undefined,
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name: undefined,
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type: 'none',
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exports: undefined,
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imports: undefined
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}
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}
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