@azure/msal-common
Version:
Microsoft Authentication Library for js
84 lines (82 loc) • 2.12 kB
JavaScript
/*! @azure/msal-common v16.6.2 2026-05-19 */
;
/*
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License.
*/
/**
* @hidden
*/
class StringUtils {
/**
* Check if stringified object is empty
* @param strObj
*/
static isEmptyObj(strObj) {
if (strObj) {
try {
const obj = JSON.parse(strObj);
return Object.keys(obj).length === 0;
}
catch (e) { }
}
return true;
}
static startsWith(str, search) {
return str.indexOf(search) === 0;
}
static endsWith(str, search) {
return (str.length >= search.length &&
str.lastIndexOf(search) === str.length - search.length);
}
/**
* Parses string into an object.
*
* @param query
*/
static queryStringToObject(query) {
const obj = {};
const params = query.split("&");
const decode = (s) => decodeURIComponent(s.replace(/\+/g, " "));
params.forEach((pair) => {
if (pair.trim()) {
const [key, value] = pair.split(/=(.+)/g, 2); // Split on the first occurence of the '=' character
if (key && value) {
obj[decode(key)] = decode(value);
}
}
});
return obj;
}
/**
* Trims entries in an array.
*
* @param arr
*/
static trimArrayEntries(arr) {
return arr.map((entry) => entry.trim());
}
/**
* Removes empty strings from array
* @param arr
*/
static removeEmptyStringsFromArray(arr) {
return arr.filter((entry) => {
return !!entry;
});
}
/**
* Attempts to parse a string into JSON
* @param str
*/
static jsonParseHelper(str) {
try {
return JSON.parse(str);
}
catch (e) {
return null;
}
}
}
export { StringUtils };
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