@cedx/php-minifier/lib/SafeTransformer.js

Minify PHP source code by removing comments and whitespace.

import { execFile } from "node:child_process";
import { normalize, resolve } from "node:path";
import { promisify } from "node:util";
/**
 * Spawns a new process using the specified command.
 */
const run = promisify(execFile);
/**
 * Removes comments and whitespace from a PHP script, by calling a PHP process.
 */
export class SafeTransformer {
    /**
     * The path to the PHP executable.
     */
    #executable;
    /**
     * Creates a new safe transformer.
     * @param executable The path to the PHP executable.
     */
    constructor(executable = "php") {
        this.#executable = normalize(executable);
    }
    /**
     * Releases any resources associated with this object.
     * @returns Resolves when this object is finally disposed.
     */
    [Symbol.asyncDispose]() {
        return this.close();
    }
    /**
     * Closes this transformer.
     * @returns Resolves when the transformer has been closed.
     */
    close() {
        return Promise.resolve();
    }
    /**
     * Processes a PHP script.
     * @param file The path to the PHP script.
     * @returns The transformed script.
     */
    async transform(file) {
        return (await run(this.#executable, ["-w", resolve(file)], { maxBuffer: 20 * 1024 * 1024 })).stdout;
    }
}