@newdash/newdash/trimStart.js

javascript/typescript utility library

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.trimStart = void 0;
const baseToString_1 = __importDefault(require("./.internal/baseToString"));
const castSlice_1 = __importDefault(require("./.internal/castSlice"));
const charsStartIndex_1 = __importDefault(require("./.internal/charsStartIndex"));
const stringToArray_1 = __importDefault(require("./.internal/stringToArray"));
const toString_1 = __importDefault(require("./toString"));
/**
 * Removes leading whitespace or specified characters from `string`.
 *
 * @since 5.6.0
 * @category String
 * @param str The string to trim.
 * @param chars The characters to trim.
 * @returns Returns the trimmed string.
 * @see [[trim]],[[trimEnd]]
 * @example
 *
 * ```js
 * trimStart('  abc  ')
 * // => 'abc  '
 *
 * trimStart('-_-abc-_-', '_-')
 * // => 'abc-_-'
 * ```
 */
function trimStart(str, chars, guard) {
    const string = (0, toString_1.default)(str);
    if (string && (guard || chars === undefined)) {
        return string.trimStart();
    }
    if (!string || !(chars = (0, baseToString_1.default)(chars))) {
        return string;
    }
    const strSymbols = (0, stringToArray_1.default)(string), start = (0, charsStartIndex_1.default)(strSymbols, (0, stringToArray_1.default)(chars));
    return (0, castSlice_1.default)(strSymbols, start).join("");
}
exports.trimStart = trimStart;
exports.default = trimStart;