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76 lines
1.6 KiB
JavaScript
76 lines
1.6 KiB
JavaScript
'use strict';
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const path = require("path");
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const chalk = require("chalk");
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const spy = require("through2-spy");
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const fancyLog = require("fancy-log");
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const padWidth = 5;
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const typeColors = {
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error: "red",
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warn: "yellow",
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info: "cyan",
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debug: "gray"
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}
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function hexify(buff) {
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let bytes = [];
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for (let i = 0; i < buff.length; i++) {
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bytes.push(buff.toString("hex", i, i + 1));
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}
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return bytes;
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}
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module.exports = function namedLog(name, options = {}) {
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let prefix = `[${chalk.green(name)}]`;
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function createLog(type) {
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let prefixes = [prefix];
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if (type) {
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let typeColor = (typeColors[type] != null) ? typeColors[type] : "white";
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let typePrefix = `[${chalk[typeColor](type)}]`;
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prefixes.push(typePrefix);
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}
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return function log(...args) {
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fancyLog.apply(null, prefixes.concat(args));
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}
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}
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return {
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debug: createLog("debug"),
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info: createLog("info"),
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warn: createLog("warn"),
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error: createLog("error"),
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log: createLog(),
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stream: function() {
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return spy.obj((file) => {
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let shortPath, firstBytes, suffix;
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let byteLimit = (options.byteLimit != null) ? options.byteLimit : 20;
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if (options.basePath != null) {
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shortPath = path.relative(options.basePath, file.path);
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} else {
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shortPath = path.basename(file.path);
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}
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if (file.contents.length <= byteLimit) {
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firstBytes = file.contents;
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suffix = "";
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} else {
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firstBytes = file.contents.slice(0, byteLimit);
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suffix = " ..."
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}
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this.info(`<File "${shortPath}>" <Buffer ${hexify(firstBytes).join(" ")} ${suffix} >>`);
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});
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}
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}
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}
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