All files / shared/src index.ts

100% Statements 112/112
65.62% Branches 21/32
100% Functions 31/31
100% Lines 81/81

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import { makeMap } from './makeMap'
 
export { makeMap }
export * from './patchFlags'
export * from './shapeFlags'
export * from './slotFlags'
export * from './globalsWhitelist'
export * from './codeframe'
export * from './normalizeProp'
export * from './domTagConfig'
export * from './domAttrConfig'
export * from './escapeHtml'
export * from './looseEqual'
export * from './toDisplayString'
export * from './typeUtils'
 
export const EMPTY_OBJ: { readonly [key: string]: any } = __DEV__
  ? Object.freeze({})
  : {}
export const EMPTY_ARR = __DEV__ ? Object.freeze([]) : []
 
export const NOOP = () => {}
 
/**
 * Always return false.
 */
export const NO = () => false
 
const onRE = /^on[^a-z]/
export const isOn = (key: string) => onRE.test(key)
 
export const isModelListener = (key: string) => key.startsWith('onUpdate:')
 
export const extend = Object.assign
 
export const remove = <T>(arr: T[], el: T) => {
  const i = arr.indexOf(el)
  if (i > -1) {
    arr.splice(i, 1)
  }
}
 
const hasOwnProperty = Object.prototype.hasOwnProperty
export const hasOwn = (
  val: object,
  key: string | symbol
): key is keyof typeof val => hasOwnProperty.call(val, key)
 
export const isArray = Array.isArray
export const isMap = (val: unknown): val is Map<any, any> =>
  toTypeString(val) === '[object Map]'
export const isSet = (val: unknown): val is Set<any> =>
  toTypeString(val) === '[object Set]'
 
export const isDate = (val: unknown): val is Date => val instanceof Date
export const isFunction = (val: unknown): val is Function =>
  typeof val === 'function'
export const isString = (val: unknown): val is string => typeof val === 'string'
export const isSymbol = (val: unknown): val is symbol => typeof val === 'symbol'
export const isObject = (val: unknown): val is Record<any, any> =>
  val !== null && typeof val === 'object'
 
export const isPromise = <T = any>(val: unknown): val is Promise<T> => {
  return isObject(val) && isFunction(val.then) && isFunction(val.catch)
}
 
export const objectToString = Object.prototype.toString
export const toTypeString = (value: unknown): string =>
  objectToString.call(value)
 
export const toRawType = (value: unknown): string => {
  // extract "RawType" from strings like "[object RawType]"
  return toTypeString(value).slice(8, -1)
}
 
export const isPlainObject = (val: unknown): val is object =>
  toTypeString(val) === '[object Object]'
 
export const isIntegerKey = (key: unknown) =>
  isString(key) &&
  key !== 'NaN' &&
  key[0] !== '-' &&
  '' + parseInt(key, 10) === key
 
export const isReservedProp = /*#__PURE__*/ makeMap(
  // the leading comma is intentional so empty string "" is also included
  ',key,ref,ref_for,ref_key,' +
    'onVnodeBeforeMount,onVnodeMounted,' +
    'onVnodeBeforeUpdate,onVnodeUpdated,' +
    'onVnodeBeforeUnmount,onVnodeUnmounted'
)
 
export const isBuiltInDirective = /*#__PURE__*/ makeMap(
  'bind,cloak,else-if,else,for,html,if,model,on,once,pre,show,slot,text,memo'
)
 
const cacheStringFunction = <T extends (str: string) => string>(fn: T): T => {
  const cache: Record<string, string> = Object.create(null)
  return ((str: string) => {
    const hit = cache[str]
    return hit || (cache[str] = fn(str))
  }) as any
}
 
const camelizeRE = /-(\w)/g
/**
 * @private
 */
export const camelize = cacheStringFunction((str: string): string => {
  return str.replace(camelizeRE, (_, c) => (c ? c.toUpperCase() : ''))
})
 
const hyphenateRE = /\B([A-Z])/g
/**
 * @private
 */
export const hyphenate = cacheStringFunction((str: string) =>
  str.replace(hyphenateRE, '-$1').toLowerCase()
)
 
/**
 * @private
 */
export const capitalize = cacheStringFunction(
  (str: string) => str.charAt(0).toUpperCase() + str.slice(1)
)
 
/**
 * @private
 */
export const toHandlerKey = cacheStringFunction((str: string) =>
  str ? `on${capitalize(str)}` : ``
)
 
// compare whether a value has changed, accounting for NaN.
export const hasChanged = (value: any, oldValue: any): boolean =>
  !Object.is(value, oldValue)
 
export const invokeArrayFns = (fns: Function[], arg?: any) => {
  for (let i = 0; i < fns.length; i++) {
    fns[i](arg)
  }
}
 
export const def = (obj: object, key: string | symbol, value: any) => {
  Object.defineProperty(obj, key, {
    configurable: true,
    enumerable: false,
    value
  })
}
 
export const toNumber = (val: any): any => {
  const n = parseFloat(val)
  return isNaN(n) ? val : n
}
 
let _globalThis: any
export const getGlobalThis = (): any => {
  return (
    _globalThis ||
    (_globalThis =
      typeof globalThis !== 'undefined'
        ? globalThis
        : typeof self !== 'undefined'
        ? self
        : typeof window !== 'undefined'
        ? window
        : typeof global !== 'undefined'
        ? global
        : {})
  )
}