72 lines
1.5 KiB
JavaScript
72 lines
1.5 KiB
JavaScript
'use strict';
|
|
|
|
var utils = require('../utils');
|
|
|
|
function parsePropPath(name) {
|
|
// foo[x][y][z]
|
|
// foo.x.y.z
|
|
// foo-x-y-z
|
|
// foo x y z
|
|
return utils.matchAll(/\w+|\[(\w*)]/g, name).map(function(match) {
|
|
return match[0] === '[]' ? '' : match[1] || match[0];
|
|
});
|
|
}
|
|
|
|
function arrayToObject(arr) {
|
|
var obj = {};
|
|
var keys = Object.keys(arr);
|
|
var i;
|
|
var len = keys.length;
|
|
var key;
|
|
for (i = 0; i < len; i++) {
|
|
key = keys[i];
|
|
obj[key] = arr[key];
|
|
}
|
|
return obj;
|
|
}
|
|
|
|
function formDataToJSON(formData) {
|
|
function buildPath(path, value, target, index) {
|
|
var name = path[index++];
|
|
var isNumericKey = Number.isFinite(+name);
|
|
var isLast = index >= path.length;
|
|
name = !name && utils.isArray(target) ? target.length : name;
|
|
|
|
if (isLast) {
|
|
if (utils.hasOwnProperty(target, name)) {
|
|
target[name] = [target[name], value];
|
|
} else {
|
|
target[name] = value;
|
|
}
|
|
|
|
return !isNumericKey;
|
|
}
|
|
|
|
if (!target[name] || !utils.isObject(target[name])) {
|
|
target[name] = [];
|
|
}
|
|
|
|
var result = buildPath(path, value, target[name], index);
|
|
|
|
if (result && utils.isArray(target[name])) {
|
|
target[name] = arrayToObject(target[name]);
|
|
}
|
|
|
|
return !isNumericKey;
|
|
}
|
|
|
|
if (utils.isFormData(formData) && utils.isFunction(formData.entries)) {
|
|
var obj = {};
|
|
|
|
utils.forEachEntry(formData, function(name, value) {
|
|
buildPath(parsePropPath(name), value, obj, 0);
|
|
});
|
|
|
|
return obj;
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
module.exports = formDataToJSON;
|