feat: make cache directory configurable

README.md

@@ -100,7 +100,10 @@ plugins: [
   new FaviconsWebpackPlugin({
     // Your source logo (required)
     logo: '/path/to/logo.png',
-    // The prefix for all image files (might be a folder or a name)
+    // Path to store cached data or false/null to disable caching altogether
+    // Note: disabling caching may increase build times considerably
+    cache: '.wwp-cache',
+    // Prefix for generated assets, might be a folder or just a name prefix
     prefix: 'assets-[hash]/',
     // Inject html links/metadata (requires html-webpack-plugin)
     inject: true,

src/compiler.js

@@ -4,7 +4,7 @@ const msgpack = require('msgpack-lite');
 const SingleEntryPlugin = require('webpack/lib/SingleEntryPlugin');
 const {getAssetPath} = require('./compat');
 
-module.exports.run = ({prefix, favicons: options, logo}, context, compilation) => {
+module.exports.run = ({prefix, favicons: options, logo, cache: cacheDirectory}, context, compilation) => {
   // The entry file is just an empty helper
   const filename = '[hash]';
   const publicPath = compilation.outputOptions.publicPath;
@@ -15,11 +15,13 @@ module.exports.run = ({prefix, favicons: options, logo}, context, compilation) =
   const compiler = compilation.createChildCompiler('favicons-webpack-plugin', {filename, publicPath});
   compiler.context = context;
 
-  const cacheDirectory = path.resolve(context, '.wwp-cache');
-  const cache = `${require.resolve('cache-loader')}?${JSON.stringify({cacheDirectory})}`;
-  const loader = `${require.resolve('./loader')}?${JSON.stringify({prefix, options})}`;
+  const loader = `!${require.resolve('./loader')}?${JSON.stringify({prefix, options})}`;
+  const cache = cacheDirectory
+    ? `!${require.resolve('cache-loader')}?${JSON.stringify({cacheDirectory})}`
+    : ''
+  ;
 
-  new SingleEntryPlugin(context, `!!${cache}!${loader}!${logo}`).apply(compiler);
+  new SingleEntryPlugin(context, `!${cache}${loader}!${logo}`).apply(compiler);
 
   // Compile and return a promise
   return new Promise((resolve, reject) => {

src/index.js

@@ -11,14 +11,19 @@ module.exports = class FaviconsWebpackPlugin {
     assert(typeof options === 'object' && typeof options.logo === 'string', 'An input file is required');
 
     this.options = Object.assign({
+      cache: '.wwp-cache',
       prefix: 'assets-[hash]/',
       favicons: {},
       inject: true,
     }, options);
   }
 
   apply(compiler) {
-    const oracle = new Oracle(compiler.context)
+    const oracle = new Oracle(compiler.context);
+
+    if (this.options.cache) {
+      this.options.cache = path.resolve(compiler.context, this.options.cache);
+    }
 
     {
       const {