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  1. {"ast":null,"code":"/**\n * This is the web browser implementation of `debug()`.\n *\n * Expose `debug()` as the module.\n */\nexports = module.exports = require('./debug');\nexports.log = log;\nexports.formatArgs = formatArgs;\nexports.save = save;\nexports.load = load;\nexports.useColors = useColors;\nexports.storage = 'undefined' != typeof chrome && 'undefined' != typeof chrome.storage ? chrome.storage.local : localstorage();\n/**\n * Colors.\n */\n\nexports.colors = ['lightseagreen', 'forestgreen', 'goldenrod', 'dodgerblue', 'darkorchid', 'crimson'];\n/**\n * Currently only WebKit-based Web Inspectors, Firefox >= v31,\n * and the Firebug extension (any Firefox version) are known\n * to support \"%c\" CSS customizations.\n *\n * TODO: add a `localStorage` variable to explicitly enable/disable colors\n */\n\nfunction useColors() {\n // NB: In an Electron preload script, document will be defined but not fully\n // initialized. Since we know we're in Chrome, we'll just detect this case\n // explicitly\n if (typeof window !== 'undefined' && window.process && window.process.type === 'renderer') {\n return true;\n } // is webkit? http://stackoverflow.com/a/16459606/376773\n // document is undefined in react-native: https://github.com/facebook/react-native/pull/1632\n\n\n return typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance || // is firebug? http://stackoverflow.com/a/398120/376773\n typeof window !== 'undefined' && window.console && (window.console.firebug || window.console.exception && window.console.table) || // is firefox >= v31?\n // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages\n typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\\/(\\d+)/) && parseInt(RegExp.$1, 10) >= 31 || // double check webkit in userAgent just in case we are in a worker\n typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\\/(\\d+)/);\n}\n/**\n * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.\n */\n\n\nexports.formatters.j = function (v) {\n try {\n return JSON.stringify(v);\n } catch (err) {\n return '[UnexpectedJSONParseError]: ' + err.message;\n }\n};\n/**\n * Colorize log arguments if enabled.\n *\n * @api public\n */\n\n\nfunction formatArgs(args) {\n var useColors = this.useColors;\n args[0] = (useColors ? '%c' : '') + this.namespace + (useColors ? ' %c' : ' ') + args[0] + (useColors ? '%c ' : ' ') + '+' + exports.humanize(this.diff);\n if (!useColors) return;\n var c = 'color: ' + this.color;\n args.splice(1, 0, c, 'color: inherit'); // the final \"%c\" is somewhat tricky, because there could be other\n // arguments passed either before or after the %c, so we need to\n // figure out the correct index to insert the CSS into\n\n var index = 0;\n var lastC = 0;\n args[0].replace(/%[a-zA-Z%]/g, function (match) {\n if ('%%' === match) return;\n index++;\n\n if ('%c' === match) {\n // we only are interested in the *last* %c\n // (the user may have provided their own)\n lastC = index;\n }\n });\n args.splice(lastC, 0, c);\n}\n/**\n * Invokes `console.log()` when available.\n * No-op when `console.log` is not a \"function\".\n *\n * @api public\n */\n\n\nfunction log() {\n // this hackery is required for IE8/9, where\n // the `console.log` function doesn't have 'apply'\n return 'object' === typeof console && console.log && Function.prototype.apply.call(console.log, console, arguments);\n}\n/**\n * Save `namespaces`.\n *\n * @param {String} namespaces\n * @api private\n */\n\n\nfunction save(namespaces) {\n try {\n if (null == namespaces) {\n exports.storage.removeItem('debug');\n } else {\n exports.storage.debug = namespaces;\n }\n } catch (e) {}\n}\n/**\n * Load `namespaces`.\n *\n * @return {String} returns the previously persisted debug modes\n * @api private\n */\n\n\nfunction load() {\n var r;\n\n try {\n r = exports.storage.debug;\n } catch (e) {} // If debug isn't set in LS, and we're in Electron, try to load $DEBUG\n\n\n if (!r && typeof process !== 'undefined' && 'env' in process) {\n r = process.env.DEBUG;\n }\n\n return r;\n}\n/**\n * Enable namespaces listed in `localStorage.debug` initially.\n */\n\n\nexports.enable(load());\n/**\n * Localstorage attempts to return the localstorage.\n *\n * This is necessary because safari throws\n * when a user disables cookies/localstorage\n * and you attempt to access it.\n *\n * @return {LocalStorage}\n * @api private\n */\n\nfunction localstorage() {\n try {\n return window.localStorage;\n } catch (e) {}\n}","map":null,"metadata":{},"sourceType":"script"}