add node modules

node_modules/before-after-hook/index.js

@@ -0,0 +1,61 @@
+var register = require("./lib/register");
+var addHook = require("./lib/add");
+var removeHook = require("./lib/remove");
+
+// bind with array of arguments: https://stackoverflow.com/a/21792913
+var bind = Function.bind;
+var bindable = bind.bind(bind);
+
+function bindApi(hook, state, name) {
+  var removeHookRef = bindable(removeHook, null).apply(
+    null,
+    name ? [state, name] : [state]
+  );
+  hook.api = { remove: removeHookRef };
+  hook.remove = removeHookRef;
+  ["before", "error", "after", "wrap"].forEach(function (kind) {
+    var args = name ? [state, kind, name] : [state, kind];
+    hook[kind] = hook.api[kind] = bindable(addHook, null).apply(null, args);
+  });
+}
+
+function HookSingular() {
+  var singularHookName = "h";
+  var singularHookState = {
+    registry: {},
+  };
+  var singularHook = register.bind(null, singularHookState, singularHookName);
+  bindApi(singularHook, singularHookState, singularHookName);
+  return singularHook;
+}
+
+function HookCollection() {
+  var state = {
+    registry: {},
+  };
+
+  var hook = register.bind(null, state);
+  bindApi(hook, state);
+
+  return hook;
+}
+
+var collectionHookDeprecationMessageDisplayed = false;
+function Hook() {
+  if (!collectionHookDeprecationMessageDisplayed) {
+    console.warn(
+      '[before-after-hook]: "Hook()" repurposing warning, use "Hook.Collection()". Read more: https://git.io/upgrade-before-after-hook-to-1.4'
+    );
+    collectionHookDeprecationMessageDisplayed = true;
+  }
+  return HookCollection();
+}
+
+Hook.Singular = HookSingular.bind();
+Hook.Collection = HookCollection.bind();
+
+module.exports = Hook;
+// expose constructors as a named property for TypeScript
+module.exports.Hook = Hook;
+module.exports.Singular = Hook.Singular;
+module.exports.Collection = Hook.Collection;