80 lines
1.9 KiB
TypeScript
80 lines
1.9 KiB
TypeScript
// Thanks: https://github.com/dwyl/decache
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// We reuse this file to also uncache plugin base path
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import { Module } from 'module'
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import { extname } from 'path'
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function decachePlugin (require: NodeRequire, libraryPath: string) {
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const moduleName = find(require, libraryPath)
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if (!moduleName) return
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searchCache(require, moduleName, function (mod) {
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delete require.cache[mod.id]
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removeCachedPath(mod.path)
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})
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}
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function decacheModule (require: NodeRequire, name: string) {
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const moduleName = find(require, name)
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if (!moduleName) return
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searchCache(require, moduleName, function (mod) {
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delete require.cache[mod.id]
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removeCachedPath(mod.path)
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})
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}
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// ---------------------------------------------------------------------------
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export {
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decacheModule,
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decachePlugin
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}
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// ---------------------------------------------------------------------------
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function find (require: NodeRequire, moduleName: string) {
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try {
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return require.resolve(moduleName)
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} catch {
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return ''
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}
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}
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function searchCache (require: NodeRequire, moduleName: string, callback: (current: NodeModule) => void) {
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const resolvedModule = require.resolve(moduleName)
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let mod: NodeModule
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const visited = {}
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if (resolvedModule && ((mod = require.cache[resolvedModule]) !== undefined)) {
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// Recursively go over the results
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(function run (current) {
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visited[current.id] = true
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current.children.forEach(function (child) {
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if (extname(child.filename) !== '.node' && !visited[child.id]) {
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run(child)
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}
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})
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// Call the specified callback providing the
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// found module
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callback(current)
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})(mod)
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}
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};
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function removeCachedPath (pluginPath: string) {
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const pathCache = (Module as any)._pathCache as { [ id: string ]: string[] }
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Object.keys(pathCache).forEach(function (cacheKey) {
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if (cacheKey.includes(pluginPath)) {
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delete pathCache[cacheKey]
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}
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})
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}
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