From 26105034da4fcce7ac883c899d781f016559310d Mon Sep 17 00:00:00 2001
From: ruki <waruqi@gmail.com>
Date: Thu, 8 Nov 2018 00:38:48 +0800
Subject: switch to vuepress

---
 node_modules/workbox-core/_private/assert.mjs | 109 ++++++++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 node_modules/workbox-core/_private/assert.mjs

(limited to 'node_modules/workbox-core/_private/assert.mjs')

diff --git a/node_modules/workbox-core/_private/assert.mjs b/node_modules/workbox-core/_private/assert.mjs
new file mode 100644
index 00000000..f9832834
--- /dev/null
+++ b/node_modules/workbox-core/_private/assert.mjs
@@ -0,0 +1,109 @@
+/*
+  Copyright 2017 Google Inc.
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      https://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+*/
+
+import {WorkboxError} from '../_private/WorkboxError.mjs';
+import '../_version.mjs';
+
+/*
+ * This method returns true if the current context is a service worker.
+ */
+const isSwEnv = (moduleName) => {
+  if (!('ServiceWorkerGlobalScope' in self)) {
+    throw new WorkboxError('not-in-sw', {moduleName});
+  }
+};
+
+/*
+ * This method throws if the supplied value is not an array.
+ * The destructed values are required to produce a meaningful error for users.
+ * The destructed and restructured object is so it's clear what is
+ * needed.
+ */
+const isArray = (value, {moduleName, className, funcName, paramName}) => {
+  if (!Array.isArray(value)) {
+    throw new WorkboxError('not-an-array', {
+      moduleName,
+      className,
+      funcName,
+      paramName,
+    });
+  }
+};
+
+const hasMethod = (object, expectedMethod,
+                   {moduleName, className, funcName, paramName}) => {
+  const type = typeof object[expectedMethod];
+  if (type !== 'function') {
+    throw new WorkboxError('missing-a-method', {paramName, expectedMethod,
+      moduleName, className, funcName});
+  }
+};
+
+const isType = (object, expectedType,
+                {moduleName, className, funcName, paramName}) => {
+  if (typeof object !== expectedType) {
+    throw new WorkboxError('incorrect-type', {paramName, expectedType,
+      moduleName, className, funcName});
+  }
+};
+
+const isInstance = (object, expectedClass,
+                    {moduleName, className, funcName,
+                      paramName, isReturnValueProblem}) => {
+  if (!(object instanceof expectedClass)) {
+    throw new WorkboxError('incorrect-class', {paramName, expectedClass,
+      moduleName, className, funcName, isReturnValueProblem});
+  }
+};
+
+const isOneOf = (value, validValues, {paramName}) => {
+  if (!validValues.includes(value)) {
+    throw new WorkboxError('invalid-value', {
+      paramName,
+      value,
+      validValueDescription: `Valid values are ${JSON.stringify(validValues)}.`,
+    });
+  }
+};
+
+const isArrayOfClass = (value, expectedClass,
+  {moduleName, className, funcName, paramName}) => {
+  const error = new WorkboxError('not-array-of-class', {
+    value, expectedClass,
+    moduleName, className, funcName, paramName,
+  });
+  if (!Array.isArray(value)) {
+    throw error;
+  }
+
+  for (let item of value) {
+    if (!(item instanceof expectedClass)) {
+      throw error;
+    }
+  }
+};
+
+const finalAssertExports = process.env.NODE_ENV === 'production' ? null : {
+  hasMethod,
+  isArray,
+  isInstance,
+  isOneOf,
+  isSwEnv,
+  isType,
+  isArrayOfClass,
+};
+
+export {finalAssertExports as assert};
-- 
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