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Name	Size	Last Modified
[F]formats.js Edit	476 bytes	2022-10-08 17:28:19
[F]index.js Edit	211 bytes	2022-10-08 17:28:19
[F]parse.js Edit	9.16 KB	2022-10-08 17:28:20
[F]stringify.js Edit	9.59 KB	2022-10-08 17:28:21
[F]utils.js Edit	6.66 KB	2022-10-08 17:28:22

Editing: stringify.js

'use strict';

var getSideChannel = require('side-channel');
var utils = require('./utils');
var formats = require('./formats');
var has = Object.prototype.hasOwnProperty;

var isArray = Array.isArray;
var split = String.prototype.split;
var push = Array.prototype.push;
var pushToArray = function (arr, valueOrArray) {
    push.apply(arr, isArray(valueOrArray) ? valueOrArray : [valueOrArray]);
};

var toISO = Date.prototype.toISOString;

var defaultFormat = formats['default'];
var defaults = {
    addQueryPrefix: false,
    allowDots: false,
    charset: 'utf-8',
    charsetSentinel: false,
    delimiter: '&',
    encode: true,
    encoder: utils.encode,
    encodeValuesOnly: false,
    format: defaultFormat,
    formatter: formats.formatters[defaultFormat],
    // deprecated
    indices: false,
    serializeDate: function serializeDate(date) {
        return toISO.call(date);
    },
    skipNulls: false,
    strictNullHandling: false
};

var isNonNullishPrimitive = function isNonNullishPrimitive(v) {
    return typeof v === 'string'
        || typeof v === 'number'
        || typeof v === 'boolean'
        || typeof v === 'symbol'
        || typeof v === 'bigint';
};

var sentinel = {};

var stringify = function stringify(
    object,
    prefix,
    generateArrayPrefix,
    strictNullHandling,
    skipNulls,
    encoder,
    filter,
    sort,
    allowDots,
    serializeDate,
    format,
    formatter,
    encodeValuesOnly,
    charset,
    sideChannel
) {
    var obj = object;

if (typeof filter === 'function') {
        obj = filter(prefix, obj);
    } else if (obj instanceof Date) {
        obj = serializeDate(obj);
    } else if (generateArrayPrefix === 'comma' && isArray(obj)) {
        obj = utils.maybeMap(obj, function (value) {
            if (value instanceof Date) {
                return serializeDate(value);
            }
            return value;
        });
    }

if (obj === null) {
        if (strictNullHandling) {
            return encoder && !encodeValuesOnly ? encoder(prefix, defaults.encoder, charset, 'key', format) : prefix;
        }

obj = '';
    }

if (isNonNullishPrimitive(obj) || utils.isBuffer(obj)) {
        if (encoder) {
            var keyValue = encodeValuesOnly ? prefix : encoder(prefix, defaults.encoder, charset, 'key', format);
            if (generateArrayPrefix === 'comma' && encodeValuesOnly) {
                var valuesArray = split.call(String(obj), ',');
                var valuesJoined = '';
                for (var i = 0; i < valuesArray.length; ++i) {
                    valuesJoined += (i === 0 ? '' : ',') + formatter(encoder(valuesArray[i], defaults.encoder, charset, 'value', format));
                }
                return [formatter(keyValue) + '=' + valuesJoined];
            }
            return [formatter(keyValue) + '=' + formatter(encoder(obj, defaults.encoder, charset, 'value', format))];
        }
        return [formatter(prefix) + '=' + formatter(String(obj))];
    }

var values = [];

if (typeof obj === 'undefined') {
        return values;
    }

var objKeys;
    if (generateArrayPrefix === 'comma' && isArray(obj)) {
        // we need to join elements in
        objKeys = [{ value: obj.length > 0 ? obj.join(',') || null : void undefined }];
    } else if (isArray(filter)) {
        objKeys = filter;
    } else {
        var keys = Object.keys(obj);
        objKeys = sort ? keys.sort(sort) : keys;
    }

for (var j = 0; j < objKeys.length; ++j) {
        var key = objKeys[j];
        var value = typeof key === 'object' && typeof key.value !== 'undefined' ? key.value : obj[key];

if (skipNulls && value === null) {
            continue;
        }

var keyPrefix = isArray(obj)
            ? typeof generateArrayPrefix === 'function' ? generateArrayPrefix(prefix, key) : prefix
            : prefix + (allowDots ? '.' + key : '[' + key + ']');

sideChannel.set(object, step);
        var valueSideChannel = getSideChannel();
        valueSideChannel.set(sentinel, sideChannel);
        pushToArray(values, stringify(
            value,
            keyPrefix,
            generateArrayPrefix,
            strictNullHandling,
            skipNulls,
            encoder,
            filter,
            sort,
            allowDots,
            serializeDate,
            format,
            formatter,
            encodeValuesOnly,
            charset,
            valueSideChannel
        ));
    }

return values;
};

var normalizeStringifyOptions = function normalizeStringifyOptions(opts) {
    if (!opts) {
        return defaults;
    }

if (opts.encoder !== null && typeof opts.encoder !== 'undefined' && typeof opts.encoder !== 'function') {
        throw new TypeError('Encoder has to be a function.');
    }

var charset = opts.charset || defaults.charset;
    if (typeof opts.charset !== 'undefined' && opts.charset !== 'utf-8' && opts.charset !== 'iso-8859-1') {
        throw new TypeError('The charset option must be either utf-8, iso-8859-1, or undefined');
    }

var format = formats['default'];
    if (typeof opts.format !== 'undefined') {
        if (!has.call(formats.formatters, opts.format)) {
            throw new TypeError('Unknown format option provided.');
        }
        format = opts.format;
    }
    var formatter = formats.formatters[format];

var filter = defaults.filter;
    if (typeof opts.filter === 'function' || isArray(opts.filter)) {
        filter = opts.filter;
    }

return {
        addQueryPrefix: typeof opts.addQueryPrefix === 'boolean' ? opts.addQueryPrefix : defaults.addQueryPrefix,
        allowDots: typeof opts.allowDots === 'undefined' ? defaults.allowDots : !!opts.allowDots,
        charset: charset,
        charsetSentinel: typeof opts.charsetSentinel === 'boolean' ? opts.charsetSentinel : defaults.charsetSentinel,
        delimiter: typeof opts.delimiter === 'undefined' ? defaults.delimiter : opts.delimiter,
        encode: typeof opts.encode === 'boolean' ? opts.encode : defaults.encode,
        encoder: typeof opts.encoder === 'function' ? opts.encoder : defaults.encoder,
        encodeValuesOnly: typeof opts.encodeValuesOnly === 'boolean' ? opts.encodeValuesOnly : defaults.encodeValuesOnly,
        filter: filter,
        format: format,
        formatter: formatter,
        serializeDate: typeof opts.serializeDate === 'function' ? opts.serializeDate : defaults.serializeDate,
        skipNulls: typeof opts.skipNulls === 'boolean' ? opts.skipNulls : defaults.skipNulls,
        sort: typeof opts.sort === 'function' ? opts.sort : null,
        strictNullHandling: typeof opts.strictNullHandling === 'boolean' ? opts.strictNullHandling : defaults.strictNullHandling
    };
};

module.exports = function (object, opts) {
    var obj = object;
    var options = normalizeStringifyOptions(opts);

var objKeys;
    var filter;

if (typeof options.filter === 'function') {
        filter = options.filter;
        obj = filter('', obj);
    } else if (isArray(options.filter)) {
        filter = options.filter;
        objKeys = filter;
    }

var keys = [];

if (typeof obj !== 'object' || obj === null) {
        return '';
    }

var arrayFormat;
    if (opts && opts.arrayFormat in arrayPrefixGenerators) {
        arrayFormat = opts.arrayFormat;
    } else if (opts && 'indices' in opts) {
        arrayFormat = opts.indices ? 'indices' : 'repeat';
    } else {
        arrayFormat = 'indices';
    }

var generateArrayPrefix = arrayPrefixGenerators[arrayFormat];

if (!objKeys) {
        objKeys = Object.keys(obj);
    }

if (options.sort) {
        objKeys.sort(options.sort);
    }

var sideChannel = getSideChannel();
    for (var i = 0; i < objKeys.length; ++i) {
        var key = objKeys[i];

if (options.skipNulls && obj[key] === null) {
            continue;
        }
        pushToArray(keys, stringify(
            obj[key],
            key,
            generateArrayPrefix,
            options.strictNullHandling,
            options.skipNulls,
            options.encode ? options.encoder : null,
            options.filter,
            options.sort,
            options.allowDots,
            options.serializeDate,
            options.format,
            options.formatter,
            options.encodeValuesOnly,
            options.charset,
            sideChannel
        ));
    }

var joined = keys.join(options.delimiter);
    var prefix = options.addQueryPrefix === true ? '?' : '';

if (options.charsetSentinel) {
        if (options.charset === 'iso-8859-1') {
            // encodeURIComponent('&#10003;'), the "numeric entity" representation of a checkmark
            prefix += 'utf8=%26%2310003%3B&';
        } else {
            // encodeURIComponent('✓')
            prefix += 'utf8=%E2%9C%93&';
        }
    }

return joined.length > 0 ? prefix + joined : '';
};

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