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Merge pull request #2296 from bugsnag/plat-12947
core: move to src, add TypeScript and rollup
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,183 @@ | ||
| const fs = require('fs') | ||
| const path = require('path') | ||
| const packageUp = require('pkg-up') | ||
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| const defaultConditions = ['require', 'node', 'default'] | ||
|
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| function findMainPackageJson (entryPath, packageName) { | ||
| entryPath = entryPath.replace(/\//g, path.sep) | ||
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| let directoryName = path.dirname(entryPath) | ||
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| let suspect = packageUp.sync({ cwd: directoryName }) | ||
| if (fs.existsSync(suspect)) { | ||
| return JSON.parse(fs.readFileSync(suspect).toString()) | ||
| } | ||
|
|
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| while (directoryName && !directoryName.endsWith(packageName)) { | ||
| const parentDirectoryName = path.resolve(directoryName, '..') | ||
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| if (parentDirectoryName === directoryName) break | ||
|
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| directoryName = parentDirectoryName | ||
| } | ||
|
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| suspect = path.resolve(directoryName, 'package.json') | ||
| if (fs.existsSync(suspect)) { | ||
| return JSON.parse(fs.readFileSync(suspect).toString()) | ||
| } | ||
|
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| return null | ||
| } | ||
|
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| function getSelfReferencePath (packageName) { | ||
| let parentDirectoryName = __dirname | ||
| let directoryName | ||
|
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| while (directoryName !== parentDirectoryName) { | ||
| directoryName = parentDirectoryName | ||
|
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| try { | ||
| const { name } = require(path.resolve(directoryName, 'package.json')) | ||
|
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| if (name === packageName) return directoryName | ||
| } catch {} | ||
|
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| parentDirectoryName = path.resolve(directoryName, '..') | ||
| } | ||
| } | ||
|
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| function getPackageJson (packageName) { | ||
| // Require `package.json` from the package, both from exported `exports` field | ||
| // in ESM packages, or directly from the file itself in CommonJS packages. | ||
| try { | ||
| return require(`${packageName}/package.json`) | ||
| } catch (requireError) { | ||
| if (requireError.code === 'MODULE_NOT_FOUND') { | ||
| throw requireError | ||
| } | ||
| if (requireError.code !== 'ERR_PACKAGE_PATH_NOT_EXPORTED') { | ||
| return console.error( | ||
| `Unexpected error while requiring ${packageName}:`, requireError | ||
| ) | ||
| } | ||
| } | ||
|
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| // modules's `package.json` does not provide the "./package.json" path at it's | ||
| // "exports" field. Get package level export or main field and try to resolve | ||
| // the package.json from it. | ||
| try { | ||
| const requestPath = require.resolve(packageName) | ||
|
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| return requestPath && findMainPackageJson(requestPath, packageName) | ||
| } catch (resolveError) { | ||
| if (resolveError.code !== 'ERR_PACKAGE_PATH_NOT_EXPORTED') { | ||
| console.log( | ||
| `Unexpected error while performing require.resolve(${packageName}):` | ||
| ) | ||
|
|
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| return console.error(resolveError) | ||
| } | ||
| } | ||
|
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| // modules's `package.json` does not provide a package level export nor main | ||
| // field. Try to find the package manually from `node_modules` folder. | ||
| const suspect = path.resolve(__dirname, '..', packageName, 'package.json') | ||
| if (fs.existsSync(suspect)) { | ||
| return JSON.parse(fs.readFileSync(suspect).toString()) | ||
| } | ||
|
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||
| console.warn( | ||
| 'Could not retrieve package.json neither through require (package.json ' + | ||
| 'itself is not within "exports" field), nor through require.resolve ' + | ||
| '(package.json does not specify "main" field) - falling back to default ' + | ||
| 'resolver logic' | ||
| ) | ||
| } | ||
|
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| module.exports = (request, options) => { | ||
| const { conditions = defaultConditions, defaultResolver } = options | ||
|
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| // NOTE: jest-sequencer is a special prefixed jest request | ||
| const isNodeModuleRequest = | ||
| !( | ||
| request.startsWith('.') || | ||
| path.isAbsolute(request) || | ||
| request.startsWith('jest-sequencer') | ||
| ) | ||
|
|
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| if (isNodeModuleRequest) { | ||
| const pkgPathParts = request.split('/') | ||
| const { length } = pkgPathParts | ||
|
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| let packageName | ||
| let submoduleName | ||
|
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| if (!request.startsWith('@')) { | ||
| packageName = pkgPathParts.shift() | ||
| submoduleName = length > 1 ? `./${pkgPathParts.join('/')}` : '.' | ||
| } else if (length >= 2) { | ||
| packageName = `${pkgPathParts.shift()}/${pkgPathParts.shift()}` | ||
| submoduleName = length > 2 ? `./${pkgPathParts.join('/')}` : '.' | ||
| } | ||
|
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| if (packageName && submoduleName !== '.') { | ||
| const selfReferencePath = getSelfReferencePath(packageName) | ||
| if (selfReferencePath) packageName = selfReferencePath | ||
|
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| const packageJson = getPackageJson(packageName) | ||
|
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| if (!packageJson) { | ||
| console.error(`Failed to find package.json for ${packageName}`) | ||
| } | ||
|
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| const { exports } = packageJson || {} | ||
| if (exports) { | ||
| let targetFilePath | ||
|
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| if (typeof exports === 'string') { targetFilePath = exports } else if (Object.keys(exports).every((k) => k.startsWith('.'))) { | ||
| const [exportKey, exportValue] = Object.entries(exports) | ||
| .find(([k]) => { | ||
| if (k === submoduleName) return true | ||
| if (k.endsWith('*')) return submoduleName.startsWith(k.slice(0, -1)) | ||
|
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| return false | ||
| }) || [] | ||
|
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| if (typeof exportValue === 'string') { | ||
| targetFilePath = exportKey.endsWith('*') | ||
| ? exportValue.replace( | ||
|
Check failure Code scanning / CodeQL Incomplete string escaping or encoding High
This replaces only the first occurrence of /\*/.
|
||
| /\*/, submoduleName.slice(exportKey.length - 1) | ||
| ) | ||
| : exportValue | ||
| } else if ( | ||
| conditions && exportValue != null && typeof exportValue === 'object' | ||
| ) { | ||
| function resolveExport (exportValue, prevKeys) { | ||
| for (const [key, value] of Object.entries(exportValue)) { | ||
| // Duplicated nested conditions are undefined behaviour (and | ||
| // probably a format error or spec loop-hole), abort and | ||
| // delegate to Jest default resolver | ||
| if (prevKeys.includes(key)) return | ||
|
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| if (!conditions.includes(key)) continue | ||
|
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| if (typeof value === 'string') return value | ||
|
|
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| return resolveExport(value, prevKeys.concat(key)) | ||
| } | ||
| } | ||
|
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| targetFilePath = resolveExport(exportValue, []) | ||
| } | ||
| } | ||
|
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| if (targetFilePath) { | ||
| request = targetFilePath.replace('./', `${packageName}/`) | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
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| return defaultResolver(request, options) | ||
| } | ||
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