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6e9c872
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develop-client_server
master
typescript
fs-words.git
server
lib
node_modules
debug
src
node.js
[add] server:lib:node_modules
Christian Fraß
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6e9c872
at 2021-03-08 23:52:07
node.js
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"use strict"; /** * Module dependencies. */ var tty = require('tty'); var util = require('util'); /** * This is the Node.js implementation of `debug()`. */ exports.init = init; exports.log = log; exports.formatArgs = formatArgs; exports.save = save; exports.load = load; exports.useColors = useColors; /** * Colors. */ exports.colors = [6, 2, 3, 4, 5, 1]; try { // Optional dependency (as in, doesn't need to be installed, NOT like optionalDependencies in package.json) // eslint-disable-next-line import/no-extraneous-dependencies var supportsColor = require('supports-color'); if (supportsColor && (supportsColor.stderr || supportsColor).level >= 2) { exports.colors = [20, 21, 26, 27, 32, 33, 38, 39, 40, 41, 42, 43, 44, 45, 56, 57, 62, 63, 68, 69, 74, 75, 76, 77, 78, 79, 80, 81, 92, 93, 98, 99, 112, 113, 128, 129, 134, 135, 148, 149, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 178, 179, 184, 185, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 214, 215, 220, 221]; } } catch (error) {} // Swallow - we only care if `supports-color` is available; it doesn't have to be. /** * Build up the default `inspectOpts` object from the environment variables. * * $ DEBUG_COLORS=no DEBUG_DEPTH=10 DEBUG_SHOW_HIDDEN=enabled node script.js */ exports.inspectOpts = Object.keys(process.env).filter(function (key) { return /^debug_/i.test(key); }).reduce(function (obj, key) { // Camel-case var prop = key.substring(6).toLowerCase().replace(/_([a-z])/g, function (_, k) { return k.toUpperCase(); }); // Coerce string value into JS value var val = process.env[key]; if (/^(yes|on|true|enabled)$/i.test(val)) { val = true; } else if (/^(no|off|false|disabled)$/i.test(val)) { val = false; } else if (val === 'null') { val = null; } else { val = Number(val); } obj[prop] = val; return obj; }, {}); /** * Is stdout a TTY? Colored output is enabled when `true`. */ function useColors() { return 'colors' in exports.inspectOpts ? Boolean(exports.inspectOpts.colors) : tty.isatty(process.stderr.fd); } /** * Adds ANSI color escape codes if enabled. * * @api public */ function formatArgs(args) { var name = this.namespace, useColors = this.useColors; if (useColors) { var c = this.color; var colorCode = "\x1B[3" + (c < 8 ? c : '8;5;' + c); var prefix = " ".concat(colorCode, ";1m").concat(name, " \x1B[0m"); args[0] = prefix + args[0].split('\n').join('\n' + prefix); args.push(colorCode + 'm+' + module.exports.humanize(this.diff) + "\x1B[0m"); } else { args[0] = getDate() + name + ' ' + args[0]; } } function getDate() { if (exports.inspectOpts.hideDate) { return ''; } return new Date().toISOString() + ' '; } /** * Invokes `util.format()` with the specified arguments and writes to stderr. */ function log() { return process.stderr.write(util.format.apply(util, arguments) + '\n'); } /** * Save `namespaces`. * * @param {String} namespaces * @api private */ function save(namespaces) { if (namespaces) { process.env.DEBUG = namespaces; } else { // If you set a process.env field to null or undefined, it gets cast to the // string 'null' or 'undefined'. Just delete instead. delete process.env.DEBUG; } } /** * Load `namespaces`. * * @return {String} returns the previously persisted debug modes * @api private */ function load() { return process.env.DEBUG; } /** * Init logic for `debug` instances. * * Create a new `inspectOpts` object in case `useColors` is set * differently for a particular `debug` instance. */ function init(debug) { debug.inspectOpts = {}; var keys = Object.keys(exports.inspectOpts); for (var i = 0; i < keys.length; i++) { debug.inspectOpts[keys[i]] = exports.inspectOpts[keys[i]]; } } module.exports = require('./common')(exports); var formatters = module.exports.formatters; /** * Map %o to `util.inspect()`, all on a single line. */ formatters.o = function (v) { this.inspectOpts.colors = this.useColors; return util.inspect(v, this.inspectOpts) .split('\n') .map(function (str) { return str.trim(); }) .join(' '); }; /** * Map %O to `util.inspect()`, allowing multiple lines if needed. */ formatters.O = function (v) { this.inspectOpts.colors = this.useColors; return util.inspect(v, this.inspectOpts); };