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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x | /**
* @description 对象递归转`FormData`，支持递归转换
* @function objectToFormData
* @param {Object} obj - 数据源对象
* @returns {FormData} 转换后的数据，格式为FormData
* @author liukun <919590347@qq.com>
* @example
* import { objectToFormData } from '@wont/utils'
* objectToFormData({a:1}) // returns 1
*/
import { isNaN } from 'lodash-es'
interface NestedObj {
[key: string]: NestedObj | string | number | File | File[] | any
}
export const objectToFormData = (
obj: NestedObj,
rawParentKey = '',
): FormData => {
// console.log('obj :>> ', obj);
const parentKey = rawParentKey
const formData = new FormData()
for (const key in obj) {
if (Object.hasOwnProperty.call(obj, key)) {
const value = obj[key]
Iif ([undefined, null].includes(value) || isNaN(value)) {
continue
}
// console.log('key,value :>> ', key, value);
const propName = parentKey ? `${parentKey}[${key}]` : key
Iif (value instanceof File) {
formData.append(propName, value)
} else Iif (typeof value === 'object' && !Array.isArray(value)) {
objectToFormData(value, propName)
} else Iif (Array.isArray(value)) {
value.forEach((item) => {
const arrayPropName = `${propName}`
if (item instanceof File) {
formData.append(arrayPropName, item)
} else if (typeof item === 'object' && !Array.isArray(value)) {
objectToFormData(item, arrayPropName)
} else {
formData.append(arrayPropName, item)
}
})
} else {
formData.append(propName, value.toString())
}
}
}
// console.log('formData :>> ', formData);
return formData
}
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