JavaScript/archive/code/node_modules/debug/src/browser.js at main · mdlufy/JavaScript · GitHub

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"use strict";

/* eslint-env browser */

/**

* This is the web browser implementation of `debug()`.

exports.log = log;

exports.formatArgs = formatArgs;

exports.save = save;

exports.load = load;

exports.useColors = useColors;

exports.storage = localstorage();

/**

* Colors.

exports.colors = ['#0000CC', '#0000FF', '#0033CC', '#0033FF', '#0066CC', '#0066FF', '#0099CC', '#0099FF', '#00CC00', '#00CC33', '#00CC66', '#00CC99', '#00CCCC', '#00CCFF', '#3300CC', '#3300FF', '#3333CC', '#3333FF', '#3366CC', '#3366FF', '#3399CC', '#3399FF', '#33CC00', '#33CC33', '#33CC66', '#33CC99', '#33CCCC', '#33CCFF', '#6600CC', '#6600FF', '#6633CC', '#6633FF', '#66CC00', '#66CC33', '#9900CC', '#9900FF', '#9933CC', '#9933FF', '#99CC00', '#99CC33', '#CC0000', '#CC0033', '#CC0066', '#CC0099', '#CC00CC', '#CC00FF', '#CC3300', '#CC3333', '#CC3366', '#CC3399', '#CC33CC', '#CC33FF', '#CC6600', '#CC6633', '#CC9900', '#CC9933', '#CCCC00', '#CCCC33', '#FF0000', '#FF0033', '#FF0066', '#FF0099', '#FF00CC', '#FF00FF', '#FF3300', '#FF3333', '#FF3366', '#FF3399', '#FF33CC', '#FF33FF', '#FF6600', '#FF6633', '#FF9900', '#FF9933', '#FFCC00', '#FFCC33'];

/**

* Currently only WebKit-based Web Inspectors, Firefox >= v31,

* and the Firebug extension (any Firefox version) are known

* to support "%c" CSS customizations.

* TODO: add a `localStorage` variable to explicitly enable/disable colors

// eslint-disable-next-line complexity

function useColors() {

// NB: In an Electron preload script, document will be defined but not fully

// initialized. Since we know we're in Chrome, we'll just detect this case

// explicitly

if (typeof window !== 'undefined' && window.process && (window.process.type === 'renderer' || window.process.__nwjs)) {

return true;

} // Internet Explorer and Edge do not support colors.

if (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/(edge|trident)\/(\d+)/)) {

return false;

} // Is webkit? http://stackoverflow.com/a/16459606/376773

// document is undefined in react-native: https://github.com/facebook/react-native/pull/1632

return typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance || // Is firebug? http://stackoverflow.com/a/398120/376773

typeof window !== 'undefined' && window.console && (window.console.firebug || window.console.exception && window.console.table) || // Is firefox >= v31?

// https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages

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

typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/);

}

/**

* Colorize log arguments if enabled.

* @api public

function formatArgs(args) {

args[0] = (this.useColors ? '%c' : '') + this.namespace + (this.useColors ? ' %c' : ' ') + args[0] + (this.useColors ? '%c ' : ' ') + '+' + module.exports.humanize(this.diff);

if (!this.useColors) {

return;

}

var c = 'color: ' + this.color;

args.splice(1, 0, c, 'color: inherit'); // The final "%c" is somewhat tricky, because there could be other

// arguments passed either before or after the %c, so we need to

// figure out the correct index to insert the CSS into

var index = 0;

var lastC = 0;

args[0].replace(/%[a-zA-Z%]/g, function (match) {

if (match === '%%') {

return;

}

index++;

if (match === '%c') {

// We only are interested in the *last* %c

// (the user may have provided their own)

lastC = index;

}

});

args.splice(lastC, 0, c);

}

/**

* Invokes `console.log()` when available.

* No-op when `console.log` is not a "function".

* @api public

function log() {

var _console;

// This hackery is required for IE8/9, where

// the `console.log` function doesn't have 'apply'

return (typeof console === "undefined" ? "undefined" : _typeof(console)) === 'object' && console.log && (_console = console).log.apply(_console, arguments);

}

/**

* Save `namespaces`.

* @param {String} namespaces

* @api private

function save(namespaces) {

try {

if (namespaces) {

exports.storage.setItem('debug', namespaces);

} else {

exports.storage.removeItem('debug');

}

} catch (error) {// Swallow

// XXX (@Qix-) should we be logging these?

}

/**

* Load `namespaces`.

* @return {String} returns the previously persisted debug modes

* @api private

function load() {

var r;

try {

r = exports.storage.getItem('debug');

} catch (error) {} // Swallow

// XXX (@Qix-) should we be logging these?

// If debug isn't set in LS, and we're in Electron, try to load $DEBUG

if (!r && typeof process !== 'undefined' && 'env' in process) {

r = process.env.DEBUG;

}

return r;

}

/**

* Localstorage attempts to return the localstorage.

* This is necessary because safari throws

* when a user disables cookies/localstorage

* and you attempt to access it.

* @return {LocalStorage}

* @api private

function localstorage() {

try {

// TVMLKit (Apple TV JS Runtime) does not have a window object, just localStorage in the global context

// The Browser also has localStorage in the global context.

return localStorage;

} catch (error) {// Swallow

// XXX (@Qix-) should we be logging these?

}

module.exports = require('./common')(exports);

var formatters = module.exports.formatters;

/**

* Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.

formatters.j = function (v) {

try {

return JSON.stringify(v);

} catch (error) {

return '[UnexpectedJSONParseError]: ' + error.message;

}

};

JavaScript/archive/code/node_modules/debug/src/browser.js at main · mdlufy/JavaScript · GitHub

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