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add isPlainObject method

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This commit is contained in:
Philipp Kühn 2021-01-29 22:51:03 +01:00
parent a73e6c8e46
commit 352bd74a2a
2 changed files with 13 additions and 3 deletions
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10
packages/core/src/utilities/isPlainObject.ts Normal file
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@ -0,0 +1,10 @@
// see: https://github.com/mesqueeb/is-what/blob/88d6e4ca92fb2baab6003c54e02eedf4e729e5ab/src/index.ts
function getType(payload: any): string {
return Object.prototype.toString.call(payload).slice(8, -1)
}
export default function isPlainObject(payload: any): payload is Record<string, any> {
if (getType(payload) !== 'Object') return false
return payload.constructor === Object && Object.getPrototypeOf(payload) === Object.prototype
}

6
packages/core/src/utilities/mergeDeep.ts
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@ -1,12 +1,12 @@
import { AnyObject } from '../types'
import isObject from './isObject'
import isPlainObject from './isPlainObject'
export default function mergeDeep(target: AnyObject, source: AnyObject): AnyObject {
const output = { ...target }
if (isObject(target) && isObject(source)) {
if (isPlainObject(target) && isPlainObject(source)) {
Object.keys(source).forEach(key => {
if (isObject(source[key])) {
if (isPlainObject(source[key])) {
if (!(key in target)) {
Object.assign(output, { [key]: source[key] })
} else {