integreat-adapter-form/dist/utils/parseFormData.js

application/x-www-form-urlencoded adapter for Integreat

import { isObject } from './is.js';
const parseObject = (value) => {
    try {
        return JSON.parse(value);
    }
    catch {
        return value;
    }
};
const fixLineBreak = (value) => value.replace(/%0D%0A/g, '%0A');
const parseValue = (value) => typeof value === 'string'
    ? parseObject(decodeURIComponent(fixLineBreak(value)).replace(/\+/g, ' '))
    : '';
function prepareKeyPart(part) {
    if (part === ']') {
        return '';
    }
    const num = Number.parseInt(part, 10);
    return Number.isNaN(num)
        ? part.endsWith(']')
            ? part.slice(0, -1)
            : part
        : num;
}
function parseKey(key) {
    return key.split('[').map(prepareKeyPart);
}
function ensureArray(value) {
    return Array.isArray(value) ? value : value === undefined ? [] : [value];
}
function ensureObject(value) {
    return isObject(value) ? value : {};
}
function setOnArray(target, key, restKeys, value) {
    const nextTarget = typeof key === 'number' ? target[key] : undefined;
    const nextValue = setOnTarget(nextTarget, restKeys, value);
    if (typeof key === 'number') {
        target[key] = nextValue;
        return target;
    }
    else {
        return [...target, nextValue];
    }
}
function setOnObject(target, key, restKeys, value) {
    const nextTarget = target[key];
    const nextValue = setOnTarget(nextTarget, restKeys, value);
    return { ...target, [key]: nextValue };
}
function setOnTarget(target, keys, value) {
    if (keys.length === 0) {
        return value;
    }
    const [key, ...restKeys] = keys;
    const isArr = key === '' || typeof key === 'number';
    return isArr
        ? setOnArray(ensureArray(target), key === '' ? undefined : key, restKeys, value)
        : setOnObject(ensureObject(target), key, restKeys, value);
}
function reducePair(target, [key, value]) {
    const [firstKey, ...restKeys] = parseKey(key);
    if (typeof firstKey === 'string') {
        return setOnObject(ensureObject(target), firstKey, restKeys, parseValue(value));
    }
    else {
        return {};
    }
}
export default function parseFormData(data) {
    if (typeof data === 'string') {
        return data
            .split('&')
            .map((pair) => pair.split('='))
            .reduce(reducePair, undefined);
    }
    else {
        return undefined;
    }
}
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