diff options
Diffstat (limited to 'node_modules/debug/src/node.js')
| -rw-r--r-- | node_modules/debug/src/node.js | 265 |
1 files changed, 168 insertions, 97 deletions
diff --git a/node_modules/debug/src/node.js b/node_modules/debug/src/node.js index d666fb9c0..5e1f1541a 100644 --- a/node_modules/debug/src/node.js +++ b/node_modules/debug/src/node.js @@ -2,16 +2,13 @@ * Module dependencies. */ -var tty = require('tty'); -var util = require('util'); +const tty = require('tty'); +const util = require('util'); /** * This is the Node.js implementation of `debug()`. - * - * Expose `debug()` as the module. */ -exports = module.exports = require('./debug'); exports.init = init; exports.log = log; exports.formatArgs = formatArgs; @@ -23,21 +20,95 @@ exports.useColors = useColors; * Colors. */ -exports.colors = [ 6, 2, 3, 4, 5, 1 ]; +exports.colors = [6, 2, 3, 4, 5, 1]; try { - var supportsColor = require('supports-color'); - if (supportsColor && 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 (err) { - // swallow - we only care if `supports-color` is available; it doesn't have to be. + // Optional dependency (as in, doesn't need to be installed, NOT like optionalDependencies in package.json) + // eslint-disable-next-line import/no-extraneous-dependencies + const 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. } /** @@ -46,24 +117,31 @@ try { * $ 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; +exports.inspectOpts = Object.keys(process.env).filter(key => { + return /^debug_/i.test(key); +}).reduce((obj, key) => { + // Camel-case + const prop = key + .substring(6) + .toLowerCase() + .replace(/_([a-z])/g, (_, k) => { + return k.toUpperCase(); + }); + + // Coerce string value into JS value + let 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; }, {}); /** @@ -71,68 +149,45 @@ exports.inspectOpts = Object.keys(process.env).filter(function (key) { */ function useColors() { - return 'colors' in exports.inspectOpts - ? Boolean(exports.inspectOpts.colors) - : tty.isatty(process.stderr.fd); + return 'colors' in exports.inspectOpts ? + Boolean(exports.inspectOpts.colors) : + tty.isatty(process.stderr.fd); } /** - * Map %o to `util.inspect()`, all on a single line. - */ - -exports.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. - */ - -exports.formatters.O = function(v) { - this.inspectOpts.colors = this.useColors; - return util.inspect(v, this.inspectOpts); -}; - -/** * Adds ANSI color escape codes if enabled. * * @api public */ function formatArgs(args) { - var name = this.namespace; - var useColors = this.useColors; - - if (useColors) { - var c = this.color; - var colorCode = '\u001b[3' + (c < 8 ? c : '8;5;' + c); - var prefix = ' ' + colorCode + ';1m' + name + ' ' + '\u001b[0m'; - - args[0] = prefix + args[0].split('\n').join('\n' + prefix); - args.push(colorCode + 'm+' + exports.humanize(this.diff) + '\u001b[0m'); - } else { - args[0] = getDate() + name + ' ' + args[0]; - } + const {namespace: name, useColors} = this; + + if (useColors) { + const c = this.color; + const colorCode = '\u001B[3' + (c < 8 ? c : '8;5;' + c); + const prefix = ` ${colorCode};1m${name} \u001B[0m`; + + args[0] = prefix + args[0].split('\n').join('\n' + prefix); + args.push(colorCode + 'm+' + module.exports.humanize(this.diff) + '\u001B[0m'); + } else { + args[0] = getDate() + name + ' ' + args[0]; + } } function getDate() { - if (exports.inspectOpts.hideDate) { - return ''; - } else { - return new Date().toISOString() + ' '; - } + 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'); +function log(...args) { + return process.stderr.write(util.format(...args) + '\n'); } /** @@ -141,15 +196,14 @@ function log() { * @param {String} namespaces * @api private */ - function save(namespaces) { - if (null == namespaces) { - // 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; - } else { - process.env.DEBUG = 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; + } } /** @@ -160,7 +214,7 @@ function save(namespaces) { */ function load() { - return process.env.DEBUG; + return process.env.DEBUG; } /** @@ -170,17 +224,34 @@ function load() { * differently for a particular `debug` instance. */ -function init (debug) { - debug.inspectOpts = {}; +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]]; - } + const keys = Object.keys(exports.inspectOpts); + for (let i = 0; i < keys.length; i++) { + debug.inspectOpts[keys[i]] = exports.inspectOpts[keys[i]]; + } } +module.exports = require('./common')(exports); + +const {formatters} = module.exports; + /** - * Enable namespaces listed in `process.env.DEBUG` initially. + * Map %o to `util.inspect()`, all on a single line. */ -exports.enable(load()); +formatters.o = function (v) { + this.inspectOpts.colors = this.useColors; + return util.inspect(v, this.inspectOpts) + .replace(/\s*\n\s*/g, ' '); +}; + +/** + * 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); +}; |