--- /dev/null
+/**
+ * Module dependencies.
+ */
+
+const tty = require('tty');
+const 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
+ 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.
+}
+
+/**
+ * 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(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;
+}, {});
+
+/**
+ * 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) {
+ 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 '';
+ }
+ return new Date().toISOString() + ' ';
+}
+
+/**
+ * Invokes `util.format()` with the specified arguments and writes to stderr.
+ */
+
+function log(...args) {
+ return process.stderr.write(util.format(...args) + '\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 = {};
+
+ 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;
+
+/**
+ * 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)
+ .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);
+};
projects / dotfiles / .git / blobdiff