169 lines
		
	
	
		
			4.4 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			169 lines
		
	
	
		
			4.4 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
/*
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	MIT License http://www.opensource.org/licenses/mit-license.php
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	Author Tobias Koppers @sokra
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*/
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"use strict";
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const util = require("util");
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const truncateArgs = require("../logging/truncateArgs");
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/** @typedef {import("../../declarations/WebpackOptions").InfrastructureLogging} InfrastructureLogging */
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/** @typedef {import("../logging/createConsoleLogger").LoggerConsole} LoggerConsole */
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/* eslint-disable no-console */
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/**
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 * @param {object} options options
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 * @param {boolean=} options.colors colors
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 * @param {boolean=} options.appendOnly append only
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 * @param {NonNullable<InfrastructureLogging["stream"]>} options.stream stream
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 * @returns {LoggerConsole} logger function
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 */
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module.exports = ({ colors, appendOnly, stream }) => {
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	/** @type {string[] | undefined} */
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	let currentStatusMessage;
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	let hasStatusMessage = false;
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	let currentIndent = "";
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	let currentCollapsed = 0;
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	/**
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	 * @param {string} str string
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	 * @param {string} prefix prefix
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	 * @param {string} colorPrefix color prefix
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	 * @param {string} colorSuffix color suffix
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	 * @returns {string} indented string
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	 */
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	const indent = (str, prefix, colorPrefix, colorSuffix) => {
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		if (str === "") return str;
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		prefix = currentIndent + prefix;
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		if (colors) {
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			return (
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				prefix +
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				colorPrefix +
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				str.replace(/\n/g, `${colorSuffix}\n${prefix}${colorPrefix}`) +
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				colorSuffix
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			);
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		}
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		return prefix + str.replace(/\n/g, `\n${prefix}`);
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	};
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	const clearStatusMessage = () => {
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		if (hasStatusMessage) {
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			stream.write("\u001B[2K\r");
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			hasStatusMessage = false;
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		}
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	};
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	const writeStatusMessage = () => {
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		if (!currentStatusMessage) return;
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		const l = stream.columns || 40;
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		const args = truncateArgs(currentStatusMessage, l - 1);
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		const str = args.join(" ");
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		const coloredStr = `\u001B[1m${str}\u001B[39m\u001B[22m`;
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		stream.write(`\u001B[2K\r${coloredStr}`);
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		hasStatusMessage = true;
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	};
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	/**
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	 * @param {string} prefix prefix
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	 * @param {string} colorPrefix color prefix
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	 * @param {string} colorSuffix color suffix
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	 * @returns {(...args: EXPECTED_ANY[]) => void} function to write with colors
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	 */
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	const writeColored =
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		(prefix, colorPrefix, colorSuffix) =>
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		(...args) => {
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			if (currentCollapsed > 0) return;
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			clearStatusMessage();
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			const str = indent(
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				util.format(...args),
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				prefix,
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				colorPrefix,
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				colorSuffix
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			);
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			stream.write(`${str}\n`);
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			writeStatusMessage();
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		};
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	const writeGroupMessage = writeColored(
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		"<-> ",
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		"\u001B[1m\u001B[36m",
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		"\u001B[39m\u001B[22m"
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	);
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	const writeGroupCollapsedMessage = writeColored(
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		"<+> ",
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		"\u001B[1m\u001B[36m",
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		"\u001B[39m\u001B[22m"
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	);
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	return {
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		log: writeColored("    ", "\u001B[1m", "\u001B[22m"),
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		debug: writeColored("    ", "", ""),
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		trace: writeColored("    ", "", ""),
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		info: writeColored("<i> ", "\u001B[1m\u001B[32m", "\u001B[39m\u001B[22m"),
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		warn: writeColored("<w> ", "\u001B[1m\u001B[33m", "\u001B[39m\u001B[22m"),
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		error: writeColored("<e> ", "\u001B[1m\u001B[31m", "\u001B[39m\u001B[22m"),
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		logTime: writeColored(
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			"<t> ",
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			"\u001B[1m\u001B[35m",
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			"\u001B[39m\u001B[22m"
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		),
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		group: (...args) => {
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			writeGroupMessage(...args);
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			if (currentCollapsed > 0) {
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				currentCollapsed++;
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			} else {
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				currentIndent += "  ";
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			}
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		},
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		groupCollapsed: (...args) => {
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			writeGroupCollapsedMessage(...args);
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			currentCollapsed++;
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		},
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		groupEnd: () => {
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			if (currentCollapsed > 0) {
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				currentCollapsed--;
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			} else if (currentIndent.length >= 2) {
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				currentIndent = currentIndent.slice(0, -2);
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			}
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		},
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		profile: console.profile && ((name) => console.profile(name)),
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		profileEnd: console.profileEnd && ((name) => console.profileEnd(name)),
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		clear:
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			/** @type {() => void} */
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			(
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				!appendOnly &&
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					console.clear &&
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					(() => {
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						clearStatusMessage();
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						console.clear();
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						writeStatusMessage();
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					})
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			),
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		status: appendOnly
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			? writeColored("<s> ", "", "")
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			: (name, ...args) => {
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					args = args.filter(Boolean);
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					if (name === undefined && args.length === 0) {
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						clearStatusMessage();
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						currentStatusMessage = undefined;
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					} else if (
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						typeof name === "string" &&
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						name.startsWith("[webpack.Progress] ")
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					) {
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						currentStatusMessage = [name.slice(19), ...args];
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						writeStatusMessage();
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					} else if (name === "[webpack.Progress]") {
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						currentStatusMessage = [...args];
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						writeStatusMessage();
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					} else {
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						currentStatusMessage = [name, ...args];
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						writeStatusMessage();
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					}
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				}
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	};
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};
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