@sap-cloud-sdk/util/dist/string.js

SAP Cloud SDK for JavaScript general utilities

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.encodeBase64 = encodeBase64;
exports.trimLeft = trimLeft;
exports.trimRight = trimRight;
exports.trim = trim;
exports.removeFileExtension = removeFileExtension;
const string_formatter_1 = require("./string-formatter");
/**
 * Encode a string to a base64 encoded string.
 * @param str - String to encode.
 * @returns Base64 encoded string.
 */
function encodeBase64(str) {
    return Buffer.from(str).toString('base64');
}
/**
 * Remove whitespace from the left side of a string.
 * @param string - String to trim.
 * @returns String without whitespace on the left side.
 */
function trimLeft(string) {
    const subStrings = string.split(string_formatter_1.unixEOL);
    const leftTrimmed = subStrings[0].trimStart();
    if (!leftTrimmed) {
        subStrings.shift();
    }
    else {
        subStrings[0] = leftTrimmed;
    }
    return subStrings.join(string_formatter_1.unixEOL);
}
/**
 * Remove whitespace from the right side of a string.
 * @param string - String to trim.
 * @returns String without whitespace on the right side.
 */
function trimRight(string) {
    const subStrings = string.split(string_formatter_1.unixEOL);
    const rightTrimmed = subStrings[subStrings.length - 1].trimEnd();
    if (!rightTrimmed) {
        subStrings.pop();
    }
    else {
        subStrings[subStrings.length - 1] = rightTrimmed;
    }
    return subStrings.join(string_formatter_1.unixEOL);
}
/**
 * Remove whitespace from the left and right side of a string.
 * @param string - String to trim.
 * @returns String without outer whitespace.
 */
function trim(string) {
    return trimRight(trimLeft(string));
}
/**
 * Remove file extension from a string, e.g. remove 'test.jpg' would return 'test'.
 * @param fileName - File name to remove the file extension from.
 * @returns File name without extension.
 */
function removeFileExtension(fileName) {
    return fileName.includes('.')
        ? fileName.split('.').slice(0, -1).join('.')
        : fileName;
}
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