vue3-yuanma/packages/shared/src/looseEqual.ts

43 lines
1.2 KiB
TypeScript

import { isObject, isArray } from './'
export function looseEqual(a: any, b: any): boolean {
if (a === b) return true
const isObjectA = isObject(a)
const isObjectB = isObject(b)
if (isObjectA && isObjectB) {
try {
const isArrayA = isArray(a)
const isArrayB = isArray(b)
if (isArrayA && isArrayB) {
return (
a.length === b.length &&
a.every((e: any, i: any) => looseEqual(e, b[i]))
)
} else if (a instanceof Date && b instanceof Date) {
return a.getTime() === b.getTime()
} else if (!isArrayA && !isArrayB) {
const keysA = Object.keys(a)
const keysB = Object.keys(b)
return (
keysA.length === keysB.length &&
keysA.every(key => looseEqual(a[key], b[key]))
)
} else {
/* istanbul ignore next */
return false
}
} catch (e) {
/* istanbul ignore next */
return false
}
} else if (!isObjectA && !isObjectB) {
return String(a) === String(b)
} else {
return false
}
}
export function looseIndexOf(arr: any[], val: any): number {
return arr.findIndex(item => looseEqual(item, val))
}