Ejdjdososs/fable-ai
0
1/**2 * Module dependencies.3 */4 5const tty = require('tty');6const util = require('util');7 8/**9 * This is the Node.js implementation of `debug()`.10 */11 12exports.init = init;13exports.log = log;14exports.formatArgs = formatArgs;15exports.save = save;16exports.load = load;17exports.useColors = useColors;18exports.destroy = util.deprecate(19 () => {},20 'Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.'21);22 23/**24 * Colors.25 */26 27exports.colors = [6, 2, 3, 4, 5, 1];28 29try {30 // Optional dependency (as in, doesn't need to be installed, NOT like optionalDependencies in package.json)31 // eslint-disable-next-line import/no-extraneous-dependencies32 const supportsColor = require('supports-color');33 34 if (supportsColor && (supportsColor.stderr || supportsColor).level >= 2) {35 exports.colors = [36 20,37 21,38 26,39 27,40 32,41 33,42 38,43 39,44 40,45 41,46 42,47 43,48 44,49 45,50 56,51 57,52 62,53 63,54 68,55 69,56 74,57 75,58 76,59 77,60 78,61 79,62 80,63 81,64 92,65 93,66 98,67 99,68 112,69 113,70 128,71 129,72 134,73 135,74 148,75 149,76 160,77 161,78 162,79 163,80 164,81 165,82 166,83 167,84 168,85 169,86 170,87 171,88 172,89 173,90 178,91 179,92 184,93 185,94 196,95 197,96 198,97 199,98 200,99 201,100 202,101 203,102 204,103 205,104 206,105 207,106 208,107 209,108 214,109 215,110 220,111 221112 ];113 }114} catch (error) {115 // Swallow - we only care if `supports-color` is available; it doesn't have to be.116}117 118/**119 * Build up the default `inspectOpts` object from the environment variables.120 *121 * $ DEBUG_COLORS=no DEBUG_DEPTH=10 DEBUG_SHOW_HIDDEN=enabled node script.js122 */123 124exports.inspectOpts = Object.keys(process.env).filter(key => {125 return /^debug_/i.test(key);126}).reduce((obj, key) => {127 // Camel-case128 const prop = key129 .substring(6)130 .toLowerCase()131 .replace(/_([a-z])/g, (_, k) => {132 return k.toUpperCase();133 });134 135 // Coerce string value into JS value136 let val = process.env[key];137 if (/^(yes|on|true|enabled)$/i.test(val)) {138 val = true;139 } else if (/^(no|off|false|disabled)$/i.test(val)) {140 val = false;141 } else if (val === 'null') {142 val = null;143 } else {144 val = Number(val);145 }146 147 obj[prop] = val;148 return obj;149}, {});150 151/**152 * Is stdout a TTY? Colored output is enabled when `true`.153 */154 155function useColors() {156 return 'colors' in exports.inspectOpts ?157 Boolean(exports.inspectOpts.colors) :158 tty.isatty(process.stderr.fd);159}160 161/**162 * Adds ANSI color escape codes if enabled.163 *164 * @api public165 */166 167function formatArgs(args) {168 const {namespace: name, useColors} = this;169 170 if (useColors) {171 const c = this.color;172 const colorCode = '\u001B[3' + (c < 8 ? c : '8;5;' + c);173 const prefix = ` ${colorCode};1m${name} \u001B[0m`;174 175 args[0] = prefix + args[0].split('\n').join('\n' + prefix);176 args.push(colorCode + 'm+' + module.exports.humanize(this.diff) + '\u001B[0m');177 } else {178 args[0] = getDate() + name + ' ' + args[0];179 }180}181 182function getDate() {183 if (exports.inspectOpts.hideDate) {184 return '';185 }186 return new Date().toISOString() + ' ';187}188 189/**190 * Invokes `util.formatWithOptions()` with the specified arguments and writes to stderr.191 */192 193function log(...args) {194 return process.stderr.write(util.formatWithOptions(exports.inspectOpts, ...args) + '\n');195}196 197/**198 * Save `namespaces`.199 *200 * @param {String} namespaces201 * @api private202 */203function save(namespaces) {204 if (namespaces) {205 process.env.DEBUG = namespaces;206 } else {207 // If you set a process.env field to null or undefined, it gets cast to the208 // string 'null' or 'undefined'. Just delete instead.209 delete process.env.DEBUG;210 }211}212 213/**214 * Load `namespaces`.215 *216 * @return {String} returns the previously persisted debug modes217 * @api private218 */219 220function load() {221 return process.env.DEBUG;222}223 224/**225 * Init logic for `debug` instances.226 *227 * Create a new `inspectOpts` object in case `useColors` is set228 * differently for a particular `debug` instance.229 */230 231function init(debug) {232 debug.inspectOpts = {};233 234 const keys = Object.keys(exports.inspectOpts);235 for (let i = 0; i < keys.length; i++) {236 debug.inspectOpts[keys[i]] = exports.inspectOpts[keys[i]];237 }238}239 240module.exports = require('./common')(exports);241 242const {formatters} = module.exports;243 244/**245 * Map %o to `util.inspect()`, all on a single line.246 */247 248formatters.o = function (v) {249 this.inspectOpts.colors = this.useColors;250 return util.inspect(v, this.inspectOpts)251 .split('\n')252 .map(str => str.trim())253 .join(' ');254};255 256/**257 * Map %O to `util.inspect()`, allowing multiple lines if needed.258 */259 260formatters.O = function (v) {261 this.inspectOpts.colors = this.useColors;262 return util.inspect(v, this.inspectOpts);263};264 