@siren-js/client/dist/serialize/fields-to-name-value-pairs.js

Siren API client library

import { isDate } from 'class-validator';
import dayjs from 'dayjs';
import advancedFormat from 'dayjs/plugin/advancedFormat';
import isoWeek from 'dayjs/plugin/isoWeek';
import utc from 'dayjs/plugin/utc';
dayjs.extend(advancedFormat);
dayjs.extend(isoWeek);
dayjs.extend(utc);
const temporalFieldTypesToFormat = new Map([
    ['date', 'YYYY-MM-DD'],
    ['month', 'YYYY-MM'],
    ['week', 'GGGG-[W]WW'],
    ['time', 'HH:mm:ss.SSS[Z]'],
    ['date-time', 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]']
]);
function formatDate(type, value) {
    const formatString = temporalFieldTypesToFormat.get(type);
    return formatString == null ? value.toISOString() : dayjs.utc(value).format(formatString);
}
function fieldToValue(field) {
    const { type, value } = field;
    if (isDate(value)) {
        return formatDate(type, value);
    }
    else if (type === 'file') {
        /* istanbul ignore if: unable to create a FileList instance */
        if (value instanceof FileList)
            return [...value];
        else if (value instanceof File)
            return value;
    }
    else if (Array.isArray(value)) {
        return value;
    }
    else {
        return String(value);
    }
}
/**
 * Converts `fields` into an array of `NameValuePair` objects suitable for HTTP submission.
 */
export function fieldsToNameValuePairs(fields) {
    return fields.reduce((nameValuePairs, field) => {
        const value = fieldToValue(field);
        if (value != null) {
            if (Array.isArray(value)) {
                const flattenedPairs = value.map((v) => [field.name, v]);
                nameValuePairs.push(...flattenedPairs);
            }
            else {
                nameValuePairs.push([field.name, value]);
            }
        }
        return nameValuePairs;
    }, []);
}