init

node_modules/vue/src/core/config.js

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+/* @flow */
+
+import {
+  no,
+  noop,
+  identity
+} from 'shared/util'
+
+import { LIFECYCLE_HOOKS } from 'shared/constants'
+
+export type Config = {
+  // user
+  optionMergeStrategies: { [key: string]: Function };
+  silent: boolean;
+  productionTip: boolean;
+  performance: boolean;
+  devtools: boolean;
+  errorHandler: ?(err: Error, vm: Component, info: string) => void;
+  warnHandler: ?(msg: string, vm: Component, trace: string) => void;
+  ignoredElements: Array<string | RegExp>;
+  keyCodes: { [key: string]: number | Array<number> };
+
+  // platform
+  isReservedTag: (x?: string) => boolean;
+  isReservedAttr: (x?: string) => boolean;
+  parsePlatformTagName: (x: string) => string;
+  isUnknownElement: (x?: string) => boolean;
+  getTagNamespace: (x?: string) => string | void;
+  mustUseProp: (tag: string, type: ?string, name: string) => boolean;
+
+  // private
+  async: boolean;
+
+  // legacy
+  _lifecycleHooks: Array<string>;
+};
+
+export default ({
+  /**
+   * Option merge strategies (used in core/util/options)
+   */
+  // $flow-disable-line
+  optionMergeStrategies: Object.create(null),
+
+  /**
+   * Whether to suppress warnings.
+   */
+  silent: false,
+
+  /**
+   * Show production mode tip message on boot?
+   */
+  productionTip: process.env.NODE_ENV !== 'production',
+
+  /**
+   * Whether to enable devtools
+   */
+  devtools: process.env.NODE_ENV !== 'production',
+
+  /**
+   * Whether to record perf
+   */
+  performance: false,
+
+  /**
+   * Error handler for watcher errors
+   */
+  errorHandler: null,
+
+  /**
+   * Warn handler for watcher warns
+   */
+  warnHandler: null,
+
+  /**
+   * Ignore certain custom elements
+   */
+  ignoredElements: [],
+
+  /**
+   * Custom user key aliases for v-on
+   */
+  // $flow-disable-line
+  keyCodes: Object.create(null),
+
+  /**
+   * Check if a tag is reserved so that it cannot be registered as a
+   * component. This is platform-dependent and may be overwritten.
+   */
+  isReservedTag: no,
+
+  /**
+   * Check if an attribute is reserved so that it cannot be used as a component
+   * prop. This is platform-dependent and may be overwritten.
+   */
+  isReservedAttr: no,
+
+  /**
+   * Check if a tag is an unknown element.
+   * Platform-dependent.
+   */
+  isUnknownElement: no,
+
+  /**
+   * Get the namespace of an element
+   */
+  getTagNamespace: noop,
+
+  /**
+   * Parse the real tag name for the specific platform.
+   */
+  parsePlatformTagName: identity,
+
+  /**
+   * Check if an attribute must be bound using property, e.g. value
+   * Platform-dependent.
+   */
+  mustUseProp: no,
+
+  /**
+   * Perform updates asynchronously. Intended to be used by Vue Test Utils
+   * This will significantly reduce performance if set to false.
+   */
+  async: true,
+
+  /**
+   * Exposed for legacy reasons
+   */
+  _lifecycleHooks: LIFECYCLE_HOOKS
+}: Config)