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cjs.ts
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cjs.ts
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import { pathToFileURL } from 'node:url'
import { join, normalize } from 'pathe'
import { interopDefault } from 'mlly'
import jiti from 'jiti'
// TODO: use create-require for jest environment
const _require = jiti(process.cwd(), { interopDefault: true, esmResolve: true })
/** @deprecated Do not use CJS utils */
export interface ResolveModuleOptions {
paths?: string | string[]
}
/** @deprecated Do not use CJS utils */
export interface RequireModuleOptions extends ResolveModuleOptions {
// TODO: use create-require for jest environment
// native?: boolean
/** Clear the require cache (force fresh require) but only if not within `node_modules` */
clearCache?: boolean
/** Automatically de-default the result of requiring the module. */
interopDefault?: boolean
}
/** @deprecated Do not use CJS utils */
export function isNodeModules (id: string) {
// TODO: Follow symlinks
return /[/\\]node_modules[/\\]/.test(id)
}
/** @deprecated Do not use CJS utils */
export function clearRequireCache (id: string) {
if (isNodeModules(id)) {
return
}
const entry = getRequireCacheItem(id)
if (!entry) {
delete _require.cache[id]
return
}
if (entry.parent) {
entry.parent.children = entry.parent.children.filter(e => e.id !== id)
}
for (const child of entry.children) {
clearRequireCache(child.id)
}
delete _require.cache[id]
}
/** @deprecated Do not use CJS utils */
export function scanRequireTree (id: string, files = new Set<string>()) {
if (isNodeModules(id) || files.has(id)) {
return files
}
const entry = getRequireCacheItem(id)
if (!entry) {
files.add(id)
return files
}
files.add(entry.id)
for (const child of entry.children) {
scanRequireTree(child.id, files)
}
return files
}
/** @deprecated Do not use CJS utils */
export function getRequireCacheItem (id: string) {
try {
return _require.cache[id]
} catch (e) {
}
}
/** Resolve the `package.json` file for a given module. */
export function requireModulePkg (id: string, opts: RequireModuleOptions = {}) {
return requireModule(join(id, 'package.json'), opts)
}
/** @deprecated Do not use CJS utils */
export function resolveModule (id: string, opts: ResolveModuleOptions = {}) {
return normalize(_require.resolve(id, {
paths: ([] as string[]).concat(
// @ts-ignore
global.__NUXT_PREPATHS__,
opts.paths || [],
process.cwd(),
// @ts-ignore
global.__NUXT_PATHS__
).filter(Boolean)
}))
}
/** @deprecated Do not use CJS utils */
export function tryResolveModule (path: string, opts: ResolveModuleOptions = {}): string | null {
try {
return resolveModule(path, opts)
} catch (error: any) {
if (error?.code !== 'MODULE_NOT_FOUND') {
throw error
}
}
return null
}
/** @deprecated Do not use CJS utils */
export function requireModule (id: string, opts: RequireModuleOptions = {}) {
// Resolve id
const resolvedPath = resolveModule(id, opts)
// Clear require cache if necessary
if (opts.clearCache && !isNodeModules(id)) {
clearRequireCache(resolvedPath)
}
// Try to require
const requiredModule = _require(resolvedPath)
return requiredModule
}
/** @deprecated Do not use CJS utils */
export function importModule (id: string, opts: RequireModuleOptions = {}) {
const resolvedPath = resolveModule(id, opts)
if (opts.interopDefault !== false) {
return import(pathToFileURL(resolvedPath).href).then(interopDefault)
}
return import(pathToFileURL(resolvedPath).href)
}
/** @deprecated Do not use CJS utils */
export function tryImportModule (id: string, opts: RequireModuleOptions = {}) {
try {
return importModule(id, opts).catch(() => undefined)
} catch { }
}
/** @deprecated Do not use CJS utils */
export function tryRequireModule (id: string, opts: RequireModuleOptions = {}) {
try {
return requireModule(id, opts)
} catch (e) {
}
}