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* adding toFormData test * adding toFormData Co-authored-by: Jay <jasonsaayman@gmail.com>
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'use strict'; | ||
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||
function combinedKey(parentKey, elKey) { | ||
return parentKey + '.' + elKey; | ||
} | ||
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function buildFormData(formData, data, parentKey) { | ||
if (Array.isArray(data)) { | ||
data.forEach(function buildArray(el, i) { | ||
buildFormData(formData, el, combinedKey(parentKey, i)); | ||
}); | ||
} else if ( | ||
typeof data === 'object' && | ||
!(data instanceof File || data === null) | ||
) { | ||
Object.keys(data).forEach(function buildObject(key) { | ||
buildFormData( | ||
formData, | ||
data[key], | ||
parentKey ? combinedKey(parentKey, key) : key | ||
); | ||
}); | ||
} else { | ||
if (data === undefined) { | ||
return; | ||
} | ||
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var value = | ||
typeof data === 'boolean' || typeof data === 'number' | ||
? data.toString() | ||
: data; | ||
formData.append(parentKey, value); | ||
} | ||
} | ||
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/** | ||
* convert a data object to FormData | ||
* | ||
* type FormDataPrimitive = string | Blob | number | boolean | ||
* interface FormDataNest { | ||
* [x: string]: FormVal | ||
* } | ||
* | ||
* type FormVal = FormDataNest | FormDataPrimitive | ||
* | ||
* @param {FormVal} data | ||
*/ | ||
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module.exports = function getFormData(data) { | ||
var formData = new FormData(); | ||
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buildFormData(formData, data); | ||
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return formData; | ||
}; |
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var toFormData = require("../../../lib/helpers/toFormData"); | ||
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describe("toFormData", function () { | ||
it("Convert nested data object to FormDAta", function () { | ||
var o = { | ||
val: 123, | ||
nested: { | ||
arr: ["hello", "world"], | ||
}, | ||
}; | ||
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convertedVal = toFormData(o); | ||
expect(convertedVal instanceof FormData).toEqual(true); | ||
expect(Array.from(convertedVal.keys()).length).toEqual(3); | ||
expect(convertedVal.get("val")).toEqual("123") | ||
expect(convertedVal.get("nested.arr.0")).toEqual("hello") | ||
}); | ||
}); |