Index: frontend/node_modules/pirates/index.d.ts
===================================================================
--- frontend/node_modules/pirates/index.d.ts	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/pirates/index.d.ts	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,82 @@
+/* (c) 2015 Ari Porad (@ariporad) <http://ariporad.com>. License: ariporad.mit-license.org */
+
+/**
+ * The hook. Accepts the code of the module and the filename.
+ */
+declare type Hook = (code: string, filename: string) => string;
+
+/**
+ * A matcher function, will be called with path to a file.
+ *
+ * Should return truthy if the file should be hooked, falsy otherwise.
+ */
+declare type Matcher = (path: string) => boolean;
+
+/**
+ * Reverts the hook when called.
+ */
+declare type RevertFunction = () => void;
+interface Options {
+  /**
+   * The extensions to hook. Should start with '.' (ex. ['.js']).
+   *
+   * Takes precedence over `exts`, `extension` and `ext`.
+   *
+   * @alias exts
+   * @alias extension
+   * @alias ext
+   * @default ['.js']
+   */
+  extensions?: ReadonlyArray<string> | string;
+
+  /**
+   * The extensions to hook. Should start with '.' (ex. ['.js']).
+   *
+   * Takes precedence over `extension` and `ext`.
+   *
+   * @alias extension
+   * @alias ext
+   * @default ['.js']
+   */
+  exts?: ReadonlyArray<string> | string;
+
+  /**
+   * The extensions to hook. Should start with '.' (ex. ['.js']).
+   *
+   * Takes precedence over `ext`.
+   *
+   * @alias ext
+   * @default ['.js']
+   */
+  extension?: ReadonlyArray<string> | string;
+
+  /**
+   * The extensions to hook. Should start with '.' (ex. ['.js']).
+   *
+   * @default ['.js']
+   */
+  ext?: ReadonlyArray<string> | string;
+
+  /**
+   * A matcher function, will be called with path to a file.
+   *
+   * Should return truthy if the file should be hooked, falsy otherwise.
+   */
+  matcher?: Matcher | null;
+
+  /**
+   * Auto-ignore node_modules. Independent of any matcher.
+   *
+   * @default true
+   */
+  ignoreNodeModules?: boolean;
+}
+
+/**
+ * Add a require hook.
+ *
+ * @param hook The hook. Accepts the code of the module and the filename. Required.
+ * @returns The `revert` function. Reverts the hook when called.
+ */
+export declare function addHook(hook: Hook, opts?: Options): RevertFunction;
+export {};