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Diffstat (limited to 'school/node_modules/debug/src/node.js')
-rw-r--r-- | school/node_modules/debug/src/node.js | 248 |
1 files changed, 0 insertions, 248 deletions
diff --git a/school/node_modules/debug/src/node.js b/school/node_modules/debug/src/node.js deleted file mode 100644 index b15109c..0000000 --- a/school/node_modules/debug/src/node.js +++ /dev/null @@ -1,248 +0,0 @@ -/** - * Module dependencies. - */ - -var tty = require('tty'); -var 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; -exports.save = save; -exports.load = load; -exports.useColors = useColors; - -/** - * Colors. - */ - -exports.colors = [6, 2, 3, 4, 5, 1]; - -/** - * 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; -}, {}); - -/** - * The file descriptor to write the `debug()` calls to. - * Set the `DEBUG_FD` env variable to override with another value. i.e.: - * - * $ DEBUG_FD=3 node script.js 3>debug.log - */ - -var fd = parseInt(process.env.DEBUG_FD, 10) || 2; - -if (1 !== fd && 2 !== fd) { - util.deprecate(function(){}, 'except for stderr(2) and stdout(1), any other usage of DEBUG_FD is deprecated. Override debug.log if you want to use a different log function (https://git.io/debug_fd)')() -} - -var stream = 1 === fd ? process.stdout : - 2 === fd ? process.stderr : - createWritableStdioStream(fd); - -/** - * Is stdout a TTY? Colored output is enabled when `true`. - */ - -function useColors() { - return 'colors' in exports.inspectOpts - ? Boolean(exports.inspectOpts.colors) - : tty.isatty(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 prefix = ' \u001b[3' + c + ';1m' + name + ' ' + '\u001b[0m'; - - args[0] = prefix + args[0].split('\n').join('\n' + prefix); - args.push('\u001b[3' + c + 'm+' + exports.humanize(this.diff) + '\u001b[0m'); - } else { - args[0] = new Date().toUTCString() - + ' ' + name + ' ' + args[0]; - } -} - -/** - * Invokes `util.format()` with the specified arguments and writes to `stream`. - */ - -function log() { - return stream.write(util.format.apply(util, arguments) + '\n'); -} - -/** - * Save `namespaces`. - * - * @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; - } -} - -/** - * Load `namespaces`. - * - * @return {String} returns the previously persisted debug modes - * @api private - */ - -function load() { - return process.env.DEBUG; -} - -/** - * Copied from `node/src/node.js`. - * - * XXX: It's lame that node doesn't expose this API out-of-the-box. It also - * relies on the undocumented `tty_wrap.guessHandleType()` which is also lame. - */ - -function createWritableStdioStream (fd) { - var stream; - var tty_wrap = process.binding('tty_wrap'); - - // Note stream._type is used for test-module-load-list.js - - switch (tty_wrap.guessHandleType(fd)) { - case 'TTY': - stream = new tty.WriteStream(fd); - stream._type = 'tty'; - - // Hack to have stream not keep the event loop alive. - // See https://github.com/joyent/node/issues/1726 - if (stream._handle && stream._handle.unref) { - stream._handle.unref(); - } - break; - - case 'FILE': - var fs = require('fs'); - stream = new fs.SyncWriteStream(fd, { autoClose: false }); - stream._type = 'fs'; - break; - - case 'PIPE': - case 'TCP': - var net = require('net'); - stream = new net.Socket({ - fd: fd, - readable: false, - writable: true - }); - - // FIXME Should probably have an option in net.Socket to create a - // stream from an existing fd which is writable only. But for now - // we'll just add this hack and set the `readable` member to false. - // Test: ./node test/fixtures/echo.js < /etc/passwd - stream.readable = false; - stream.read = null; - stream._type = 'pipe'; - - // FIXME Hack to have stream not keep the event loop alive. - // See https://github.com/joyent/node/issues/1726 - if (stream._handle && stream._handle.unref) { - stream._handle.unref(); - } - break; - - default: - // Probably an error on in uv_guess_handle() - throw new Error('Implement me. Unknown stream file type!'); - } - - // For supporting legacy API we put the FD here. - stream.fd = fd; - - stream._isStdio = true; - - return stream; -} - -/** - * 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]]; - } -} - -/** - * Enable namespaces listed in `process.env.DEBUG` initially. - */ - -exports.enable(load()); |