debian-mirror-gitlab/app/assets/javascripts/lib/utils/forms.js
2020-11-24 15:15:51 +05:30

53 lines
1.5 KiB
JavaScript

export const serializeFormEntries = entries =>
entries.reduce((acc, { name, value }) => Object.assign(acc, { [name]: value }), {});
export const serializeForm = form => {
const fdata = new FormData(form);
const entries = Array.from(fdata.keys()).map(key => {
let val = fdata.getAll(key);
// Microsoft Edge has a bug in FormData.getAll() that returns an undefined
// value for each form element that does not match the given key:
// https://github.com/jimmywarting/FormData/issues/80
val = val.filter(n => n);
return { name: key, value: val.length === 1 ? val[0] : val };
});
return serializeFormEntries(entries);
};
/**
* Check if the value provided is empty or not
*
* It is being used to check if a form input
* value has been set or not
*
* @param {String, Number, Array} - Any form value
* @returns {Boolean} - returns false if a value is set
*
* @example
* returns true for '', [], null, undefined
*/
export const isEmptyValue = value => value == null || value.length === 0;
/**
* A form object serializer
*
* @param {Object} - Form Object
* @returns {Object} - Serialized Form Object
*
* @example
* Input
* {"project": {"value": "hello", "state": false}, "username": {"value": "john"}}
*
* Returns
* {"project": "hello", "username": "john"}
*/
export const serializeFormObject = form =>
Object.fromEntries(
Object.entries(form).reduce((acc, [name, { value }]) => {
if (!isEmptyValue(value)) {
acc.push([name, value]);
}
return acc;
}, []),
);