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Added enhanced toFormData implementation with additional options support; (#4704)

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Updated default notation for arrays and objects to bracket style;
Added `multer/express.js` tests;
Updated README.md;

Co-authored-by: Jay <jasonsaayman@gmail.com>
This commit is contained in:
Dmitriy Mozgovoy
2022-05-11 20:30:08 +03:00
committed by GitHub
parent 495d5fb133
commit 807918bda2
9 changed files with 664 additions and 87 deletions
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test/specs/helpers/toFormData.spec.js
+84 -1
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@@ -1,6 +1,89 @@
var toFormData = require('../../../lib/helpers/toFormData');
describe('toFormData', function () {
it('should convert nested data object to FormData with dots option enabled', function () {
var o = {
val: 123,
nested: {
arr: ['hello', 'world']
}
};
var form = toFormData(o, null, {dots: true});
expect(form instanceof FormData).toEqual(true);
expect(Array.from(form.keys()).length).toEqual(3);
expect(form.get('val')).toEqual('123');
expect(form.get('nested.arr.0')).toEqual('hello');
});
it('should respect metaTokens option', function () {
var data = {
'obj{}': {x: 1, y: 2}
};
var str = JSON.stringify(data['obj{}']);
var form = toFormData(data, null, {metaTokens: false});
expect(Array.from(form.keys()).length).toEqual(1);
expect(form.getAll('obj')).toEqual([str]);
});
describe('Flat arrays serialization', function () {
it('should include full indexes when the `indexes` option is set to true', function () {
var data = {
arr: [1, 2, 3],
arr2: [1, [2], 3]
};
var form = toFormData(data, null, {indexes: true});
expect(Array.from(form.keys()).length).toEqual(6);
expect(form.get('arr[0]')).toEqual('1');
expect(form.get('arr[1]')).toEqual('2');
expect(form.get('arr[2]')).toEqual('3');
expect(form.get('arr2[0]')).toEqual('1');
expect(form.get('arr2[1][0]')).toEqual('2');
expect(form.get('arr2[2]')).toEqual('3');
});
it('should include brackets only when the `indexes` option is set to false', function () {
var data = {
arr: [1, 2, 3],
arr2: [1, [2], 3]
};
var form = toFormData(data, null, {indexes: false});
expect(Array.from(form.keys()).length).toEqual(6);
expect(form.getAll('arr[]')).toEqual(['1', '2', '3']);
expect(form.get('arr2[0]')).toEqual('1');
expect(form.get('arr2[1][0]')).toEqual('2');
expect(form.get('arr2[2]')).toEqual('3');
});
it('should omit brackets when the `indexes` option is set to null', function () {
var data = {
arr: [1, 2, 3],
arr2: [1, [2], 3]
};
var form = toFormData(data, null, {indexes: null});
expect(Array.from(form.keys()).length).toEqual(6);
expect(form.getAll('arr')).toEqual(['1', '2', '3']);
expect(form.get('arr2[0]')).toEqual('1');
expect(form.get('arr2[1][0]')).toEqual('2');
expect(form.get('arr2[2]')).toEqual('3');
});
});
it('should convert nested data object to FormData', function () {
var o = {
val: 123,
@@ -13,7 +96,7 @@ describe('toFormData', function () {
expect(form instanceof FormData).toEqual(true);
expect(Array.from(form.keys()).length).toEqual(3);
expect(form.get('val')).toEqual('123');
expect(form.get('nested.arr.0')).toEqual('hello');
expect(form.get('nested[arr][0]')).toEqual('hello');
});
it('should append value whose key ends with [] as separate values with the same key', function () {