init

马宇豪

2024-07-16 f591c27b57e2418c9495bc02ae8cfff84d35bc18

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/*
    MIT License http://www.opensource.org/licenses/mit-license.php
    Author Tobias Koppers @sokra
*/
 
"use strict";
 
const CachedInputFileSystem = require("enhanced-resolve/lib/CachedInputFileSystem");
const fs = require("graceful-fs");
const createConsoleLogger = require("../logging/createConsoleLogger");
const NodeWatchFileSystem = require("./NodeWatchFileSystem");
const nodeConsole = require("./nodeConsole");
 
/** @typedef {import("../../declarations/WebpackOptions").InfrastructureLogging} InfrastructureLogging */
/** @typedef {import("../Compiler")} Compiler */
 
class NodeEnvironmentPlugin {
    /**
     * @param {Object} options options
     * @param {InfrastructureLogging} options.infrastructureLogging infrastructure logging options
     */
    constructor(options) {
        this.options = options;
    }
 
    /**
     * Apply the plugin
     * @param {Compiler} compiler the compiler instance
     * @returns {void}
     */
    apply(compiler) {
        const { infrastructureLogging } = this.options;
        compiler.infrastructureLogger = createConsoleLogger({
            level: infrastructureLogging.level || "info",
            debug: infrastructureLogging.debug || false,
            console:
                infrastructureLogging.console ||
                nodeConsole({
                    colors: infrastructureLogging.colors,
                    appendOnly: infrastructureLogging.appendOnly,
                    stream: infrastructureLogging.stream
                })
        });
        compiler.inputFileSystem = new CachedInputFileSystem(fs, 60000);
        const inputFileSystem = compiler.inputFileSystem;
        compiler.outputFileSystem = fs;
        compiler.intermediateFileSystem = fs;
        compiler.watchFileSystem = new NodeWatchFileSystem(
            compiler.inputFileSystem
        );
        compiler.hooks.beforeRun.tap("NodeEnvironmentPlugin", compiler => {
            if (compiler.inputFileSystem === inputFileSystem) {
                compiler.fsStartTime = Date.now();
                inputFileSystem.purge();
            }
        });
    }
}
 
module.exports = NodeEnvironmentPlugin;