svelte-ux/utils/json.js

- Increment version in `package.json` and commit as `Version bump to x.y.z` - `npm run publish`

import { parseISO } from 'date-fns';
// UTC (yyyy-mm-ddThh:mm:ssZ) or Offset (yyyy-mm-ddThh:mm:ss-ZZ:ZZ) or Date-only (yyyy-mm-dd)
// '1982-03-30'
// '1982-03-30T11:25:59Z'
// '1982-03-30T11:25:59-04:00'
// '1982-03-30T11:25:59.123Z'
// '1982-03-30T11:25:59.1234567Z'
const DATE_FORMAT = /^\d{4}-\d{2}-\d{2}(T\d{2}:\d{2}:\d{2}(.\d+|)(Z|(-|\+)\d{2}:\d{2}))?$/;
export function encode(value) {
    // if (isPlainObject(value) || Array.isArray(value)) {
    //   return JSON.stringify(value)
    // } else if (['boolean', 'number', 'string'].includes(typeof value))
    //   return value.toString();
    // }
    return JSON.stringify(value);
}
export function decode(value) {
    // let number;
    // if (value === 'true') {
    //   return true;
    // } else if (value === 'false') {
    //   return false;
    // } else if (value === 'NaN') {
    //   return NaN;
    // } else if (!isNaN((number = +value))) {
    //   return number;
    // } else if (DATETIME_FORMAT.test(value)) {
    //   return new Date(value);
    // } else if (value.startsWith('{') || value.startsWith('[')) {
    //   // Object or Array
    //   return JSON.parse(value, reviver);
    // } else {
    //   // Leave as string
    //   return value;
    // }
    let result;
    try {
        result = JSON.parse(value, reviver);
    }
    catch (e) {
        // Keep as string (ex. "foo")
        result = value;
    }
    return result;
}
/**
 * Convert date strings to Date instances
 */
export function reviver(key, value) {
    if (typeof value === 'string' && DATE_FORMAT.test(value)) {
        return parseISO(value);
    }
    return value;
}