first commit

node_modules/before-after-hook/lib/add.js

@@ -0,0 +1,46 @@
+// @ts-check
+
+export function addHook(state, kind, name, hook) {
+  const orig = hook;
+  if (!state.registry[name]) {
+    state.registry[name] = [];
+  }
+
+  if (kind === "before") {
+    hook = (method, options) => {
+      return Promise.resolve()
+        .then(orig.bind(null, options))
+        .then(method.bind(null, options));
+    };
+  }
+
+  if (kind === "after") {
+    hook = (method, options) => {
+      let result;
+      return Promise.resolve()
+        .then(method.bind(null, options))
+        .then((result_) => {
+          result = result_;
+          return orig(result, options);
+        })
+        .then(() => {
+          return result;
+        });
+    };
+  }
+
+  if (kind === "error") {
+    hook = (method, options) => {
+      return Promise.resolve()
+        .then(method.bind(null, options))
+        .catch((error) => {
+          return orig(error, options);
+        });
+    };
+  }
+
+  state.registry[name].push({
+    hook: hook,
+    orig: orig,
+  });
+}

node_modules/before-after-hook/lib/register.js

@@ -0,0 +1,27 @@
+// @ts-check
+
+export function register(state, name, method, options) {
+  if (typeof method !== "function") {
+    throw new Error("method for before hook must be a function");
+  }
+
+  if (!options) {
+    options = {};
+  }
+
+  if (Array.isArray(name)) {
+    return name.reverse().reduce((callback, name) => {
+      return register.bind(null, state, name, callback, options);
+    }, method)();
+  }
+
+  return Promise.resolve().then(() => {
+    if (!state.registry[name]) {
+      return method(options);
+    }
+
+    return state.registry[name].reduce((method, registered) => {
+      return registered.hook.bind(null, method, options);
+    }, method)();
+  });
+}

node_modules/before-after-hook/lib/remove.js

@@ -0,0 +1,19 @@
+// @ts-check
+
+export function removeHook(state, name, method) {
+  if (!state.registry[name]) {
+    return;
+  }
+
+  const index = state.registry[name]
+    .map((registered) => {
+      return registered.orig;
+    })
+    .indexOf(method);
+
+  if (index === -1) {
+    return;
+  }
+
+  state.registry[name].splice(index, 1);
+}