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Edit File: util.js

"use strict";
// Copyright 2019 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
Object.defineProperty(exports, "__esModule", { value: true });
exports.unicodeJSONStringify = exports.objectKeyToLowercase = exports.qsStringify = exports.encodeURI = exports.fixedEncodeURIComponent = exports.objectEntries = exports.normalize = void 0;
const querystring = require("querystring");
function normalize(optionsOrCallback, cb) {
    const options = (typeof optionsOrCallback === 'object' ? optionsOrCallback : {});
    const callback = (typeof optionsOrCallback === 'function' ? optionsOrCallback : cb);
    return { options, callback };
}
exports.normalize = normalize;
/**
 * Flatten an object into an Array of arrays, [[key, value], ..].
 * Implements Object.entries() for Node.js <8
 * @internal
 */
function objectEntries(obj) {
    return Object.keys(obj).map(key => [key, obj[key]]);
}
exports.objectEntries = objectEntries;
/**
 * Encode `str` with encodeURIComponent, plus these
 * reserved characters: `! * ' ( )`.
 *
 * See {@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/encodeURIComponent| MDN: fixedEncodeURIComponent}
 *
 * @param {string} str The URI component to encode.
 * @return {string} The encoded string.
 */
function fixedEncodeURIComponent(str) {
    return encodeURIComponent(str).replace(/[!'()*]/g, c => '%' + c.charCodeAt(0).toString(16).toUpperCase());
}
exports.fixedEncodeURIComponent = fixedEncodeURIComponent;
/**
 * URI encode `uri` for generating signed URLs, using fixedEncodeURIComponent.
 *
 * Encode every byte except `A-Z a-Z 0-9 ~ - . _`.
 *
 * @param {string} uri The URI to encode.
 * @param [boolean=false] encodeSlash If `true`, the "/" character is not encoded.
 * @return {string} The encoded string.
 */
function encodeURI(uri, encodeSlash) {
    // Split the string by `/`, and conditionally rejoin them with either
    // %2F if encodeSlash is `true`, or '/' if `false`.
    return uri
        .split('/')
        .map(fixedEncodeURIComponent)
        .join(encodeSlash ? '%2F' : '/');
}
exports.encodeURI = encodeURI;
/**
 * Serialize an object to a URL query string using util.encodeURI(uri, true).
 * @param {string} url The object to serialize.
 * @return {string} Serialized string.
 */
function qsStringify(qs) {
    return querystring.stringify(qs, '&', '=', {
        encodeURIComponent: (component) => encodeURI(component, true),
    });
}
exports.qsStringify = qsStringify;
function objectKeyToLowercase(object) {
    const newObj = {};
    for (let key of Object.keys(object)) {
        const value = object[key];
        key = key.toLowerCase();
        newObj[key] = value;
    }
    return newObj;
}
exports.objectKeyToLowercase = objectKeyToLowercase;
/**
 * JSON encode str, with unicode \u+ representation.
 * @param {object} obj The object to encode.
 * @return {string} Serialized string.
 */
function unicodeJSONStringify(obj) {
    return JSON.stringify(obj).replace(/[\u0080-\uFFFF]/g, (char) => '\\u' + ('0000' + char.charCodeAt(0).toString(16)).slice(-4));
}
exports.unicodeJSONStringify = unicodeJSONStringify;
//# sourceMappingURL=util.js.map

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