+++ /dev/null
-/**
- * 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());
projects / dotfiles / .git / blobdiff