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

Minify PHP source code by removing comments and whitespace.

import log from "fancy-log";
import { Buffer } from "node:buffer";
import { Transform } from "node:stream";
import PluginError from "plugin-error";
import { FastTransformer } from "./FastTransformer.js";
import { SafeTransformer } from "./SafeTransformer.js";
/**
 * Minifies PHP source code by removing comments and whitespace.
 */
export class GulpPlugin extends Transform {
    /**
     * Value indicating whether to silence the plugin output.
     */
    #silent;
    /**
     * The instance used to process the PHP code.
     */
    #transformer;
    /**
     * Creates a new plugin.
     * @param options An object providing values to initialize this instance.
     */
    constructor(options = {}) {
        super({ objectMode: true });
        const binary = options.binary ?? "php";
        this.#silent = options.silent ?? false;
        this.#transformer = (options.mode ?? "safe") == "fast" ? new FastTransformer(binary) : new SafeTransformer(binary);
        const close = async () => { await this.#transformer.close(); };
        this.on("end", close).on("error", close); // eslint-disable-line @typescript-eslint/no-misused-promises
    }
    /**
     * Transforms input and produces output.
     * @param file The chunk to transform.
     * @param encoding The encoding type if the chunk is a string.
     * @param done The function to invoke when the supplied chunk has been processed.
     * @returns Resolves when the specified chunk has been transformed.
     */
    async _transform(file, encoding, done) {
        try {
            if (!this.#silent)
                log(`Minifying: ${file.relative}`);
            file.contents = Buffer.from(await this.#transformer.transform(file.path), encoding);
            done(null, file);
        }
        catch (error) {
            const failure = error instanceof Error ? error : String(error);
            done(new PluginError("@cedx/php-minifier", failure, { fileName: file.path }));
        }
    }
}