1 files changed, 71 insertions, 0 deletions
diff --git a/node_modules/webpack-chain/src/Plugin.js b/node_modules/webpack-chain/src/Plugin.js
new file mode 100644
index 00000000..418b32d4
--- /dev/null
+++ b/node_modules/webpack-chain/src/Plugin.js
@@ -0,0 +1,71 @@
+const ChainedMap = require('./ChainedMap');
+const Orderable = require('./Orderable');
+
+module.exports = Orderable(
+  class extends ChainedMap {
+    constructor(parent, name) {
+      super(parent);
+      this.name = name;
+      this.extend(['init']);
+
+      this.init((Plugin, args = []) => {
+        if (typeof Plugin === 'function') {
+          return new Plugin(...args);
+        }
+        return Plugin;
+      });
+    }
+
+    use(plugin, args = []) {
+      return this.set('plugin', plugin).set('args', args);
+    }
+
+    tap(f) {
+      this.set('args', f(this.get('args') || []));
+      return this;
+    }
+
+    merge(obj, omit = []) {
+      if ('plugin' in obj) {
+        this.set('plugin', obj.plugin);
+      }
+
+      if ('args' in obj) {
+        this.set('args', obj.args);
+      }
+
+      return super.merge(obj, [...omit, 'args', 'plugin']);
+    }
+
+    toConfig() {
+      const init = this.get('init');
+      let plugin = this.get('plugin');
+      const args = this.get('args');
+      let pluginPath = null;
+
+      // Support using the path to a plugin rather than the plugin itself,
+      // allowing expensive require()s to be skipped in cases where the plugin
+      // or webpack configuration won't end up being used.
+      if (typeof plugin === 'string') {
+        pluginPath = plugin;
+        // eslint-disable-next-line global-require, import/no-dynamic-require
+        plugin = require(pluginPath);
+      }
+
+      const constructorName = plugin.__expression
+        ? `(${plugin.__expression})`
+        : plugin.name;
+
+      const config = init(plugin, args);
+
+      Object.defineProperties(config, {
+        __pluginName: { value: this.name },
+        __pluginArgs: { value: args },
+        __pluginConstructorName: { value: constructorName },
+        __pluginPath: { value: pluginPath },
+      });
+
+      return config;
+    }
+  }
+);