fix: use find-cache-dir for default cache directory (#237) (#355)

* fix: use find-cache-dir for default cache directory (#237)

* fix: find root environment hash directory with pkg-dir

* fixup! fix: use find-cache-dir for default cache directory (#237)

* fixup! fix: find root environment hash directory with pkg-dir

index.js

@@ -6,6 +6,7 @@ const lodash = require('lodash');
 const _mkdirp = require('mkdirp');
 const _rimraf = require('rimraf');
 const nodeObjectHash = require('node-object-hash');
+const findCacheDir = require('find-cache-dir');
 
 const envHash = require('./lib/envHash');
 const defaultConfigHash = require('./lib/defaultConfigHash');
@@ -149,9 +150,11 @@ class HardSourceWebpackPlugin {
 
     if (!options.cacheDirectory) {
       options.cacheDirectory = path.resolve(
-        process.cwd(),
-        compiler.options.context,
-        'node_modules/.cache/hard-source/[confighash]',
+        findCacheDir({
+          name: 'hard-source',
+          cwd: compiler.options.context || process.cwd(),
+        }),
+        '[confighash]',
       );
     }
 

lib/envHash.js

@@ -9,6 +9,8 @@ const crypto = require('crypto');
 const fs = require('fs');
 const path = require('path');
 
+const pkgDir = require('pkg-dir');
+
 const promisify = require('./util/promisify');
 
 const readFile = promisify(fs.readFile);
@@ -73,7 +75,7 @@ const inputs = async ({ files, directories, root = process.cwd() } = {}) => {
 
 module.exports = options => {
   options = options || {};
-  const root = options.root || process.cwd();
+  const root = options.root || pkgDir.sync(process.cwd());
   let files = options.files;
   let directories = options.directories;
 

package.json

@@ -63,10 +63,12 @@
   },
   "dependencies": {
     "chalk": "^2.4.1",
+    "find-cache-dir": "^1.0.0",
     "jsonlint": "^1.6.3",
     "lodash": "^4.15.0",
     "mkdirp": "^0.5.1",
     "node-object-hash": "^1.2.0",
+    "pkg-dir": "^2.0.0",
     "rimraf": "^2.6.2",
     "tapable": "^1.0.0-beta.5",
     "webpack-sources": "^1.0.1",