@cloudinary/url-gen/backwards/transformationProcessing/processCustomPreFunction.js

Cloudinary URL-Gen SDK ========================= [](https://app.travis-ci.com/github/cloudinary/js-url-gen) ## About The Cloudinary URL-Gen SDK allows you to quickly and eas

import { processCustomFunction } from "./processCustomFunction.js";
/**
 * Parse custom_pre_function options
 * @private
 * @param {object|*} customPreFunction a custom function object containing function_type and source values
 * @return {string|*} custom_pre_function transformation string
 */
export function processCustomPreFunction(customPreFunction) {
    const result = processCustomFunction(customPreFunction);
    return typeof result === 'string' ? `pre:${result}` : null;
}