@jsonjoy.com/json-random/lib/string.js

Random JSON generation, structured JSON by schema generation, no dependencies.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.randomString = randomString;
/**
 * Generates a random string based on the provided token.
 * @param token The token defining the random string generation.
 * @returns A randomly generated string.
 */
function randomString(token) {
    if (typeof token === 'string')
        return token;
    const rnd = Math.random();
    switch (token[0]) {
        case 'pick': {
            const [, ...from] = token;
            return randomString(from[Math.floor(rnd * from.length)]);
        }
        case 'repeat': {
            const [, min, max, pattern] = token;
            const count = Math.floor(rnd * (max - min + 1)) + min;
            let str = '';
            for (let i = 0; i < count; i++)
                str += randomString(pattern);
            return str;
        }
        case 'char': {
            const [, min, max, count = 1] = token;
            let str = '';
            for (let i = 0; i < count; i++) {
                const codePoint = Math.floor(rnd * (max - min + 1)) + min;
                str += String.fromCodePoint(codePoint);
            }
            return str;
        }
        case 'list': {
            const [, ...every] = token;
            return every.map(randomString).join('');
        }
        default:
            throw new Error('Invalid token type');
    }
}
//# sourceMappingURL=string.js.map