{"ast":null,"code":"\"use strict\";\n/**\n * This is the common logic for both the Node.js and web browser\n * implementations of `debug()`.\n */\n\nfunction setup(env) {\n  createDebug.debug = createDebug;\n  createDebug.default = createDebug;\n  createDebug.coerce = coerce;\n  createDebug.disable = disable;\n  createDebug.enable = enable;\n  createDebug.enabled = enabled;\n  createDebug.humanize = require('ms');\n  Object.keys(env).forEach(function (key) {\n    createDebug[key] = env[key];\n  });\n  /**\n  * Active `debug` instances.\n  */\n\n  createDebug.instances = [];\n  /**\n  * The currently active debug mode names, and names to skip.\n  */\n\n  createDebug.names = [];\n  createDebug.skips = [];\n  /**\n  * Map of special \"%n\" handling functions, for the debug \"format\" argument.\n  *\n  * Valid key names are a single, lower or upper-case letter, i.e. \"n\" and \"N\".\n  */\n\n  createDebug.formatters = {};\n  /**\n  * Selects a color for a debug namespace\n  * @param {String} namespace The namespace string for the for the debug instance to be colored\n  * @return {Number|String} An ANSI color code for the given namespace\n  * @api private\n  */\n\n  function selectColor(namespace) {\n    var hash = 0;\n\n    for (var i = 0; i < namespace.length; i++) {\n      hash = (hash << 5) - hash + namespace.charCodeAt(i);\n      hash |= 0; // Convert to 32bit integer\n    }\n\n    return createDebug.colors[Math.abs(hash) % createDebug.colors.length];\n  }\n\n  createDebug.selectColor = selectColor;\n  /**\n  * Create a debugger with the given `namespace`.\n  *\n  * @param {String} namespace\n  * @return {Function}\n  * @api public\n  */\n\n  function createDebug(namespace) {\n    var prevTime;\n\n    function debug() {\n      // Disabled?\n      if (!debug.enabled) {\n        return;\n      }\n\n      for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n        args[_key] = arguments[_key];\n      }\n\n      var self = debug; // Set `diff` timestamp\n\n      var curr = Number(new Date());\n      var ms = curr - (prevTime || curr);\n      self.diff = ms;\n      self.prev = prevTime;\n      self.curr = curr;\n      prevTime = curr;\n      args[0] = createDebug.coerce(args[0]);\n\n      if (typeof args[0] !== 'string') {\n        // Anything else let's inspect with %O\n        args.unshift('%O');\n      } // Apply any `formatters` transformations\n\n\n      var index = 0;\n      args[0] = args[0].replace(/%([a-zA-Z%])/g, function (match, format) {\n        // If we encounter an escaped % then don't increase the array index\n        if (match === '%%') {\n          return match;\n        }\n\n        index++;\n        var formatter = createDebug.formatters[format];\n\n        if (typeof formatter === 'function') {\n          var val = args[index];\n          match = formatter.call(self, val); // Now we need to remove `args[index]` since it's inlined in the `format`\n\n          args.splice(index, 1);\n          index--;\n        }\n\n        return match;\n      }); // Apply env-specific formatting (colors, etc.)\n\n      createDebug.formatArgs.call(self, args);\n      var logFn = self.log || createDebug.log;\n      logFn.apply(self, args);\n    }\n\n    debug.namespace = namespace;\n    debug.enabled = createDebug.enabled(namespace);\n    debug.useColors = createDebug.useColors();\n    debug.color = selectColor(namespace);\n    debug.destroy = destroy;\n    debug.extend = extend; // Debug.formatArgs = formatArgs;\n    // debug.rawLog = rawLog;\n    // env-specific initialization logic for debug instances\n\n    if (typeof createDebug.init === 'function') {\n      createDebug.init(debug);\n    }\n\n    createDebug.instances.push(debug);\n    return debug;\n  }\n\n  function destroy() {\n    var index = createDebug.instances.indexOf(this);\n\n    if (index !== -1) {\n      createDebug.instances.splice(index, 1);\n      return true;\n    }\n\n    return false;\n  }\n\n  function extend(namespace, delimiter) {\n    return createDebug(this.namespace + (typeof delimiter === 'undefined' ? ':' : delimiter) + namespace);\n  }\n  /**\n  * Enables a debug mode by namespaces. This can include modes\n  * separated by a colon and wildcards.\n  *\n  * @param {String} namespaces\n  * @api public\n  */\n\n\n  function enable(namespaces) {\n    createDebug.save(namespaces);\n    createDebug.names = [];\n    createDebug.skips = [];\n    var i;\n    var split = (typeof namespaces === 'string' ? namespaces : '').split(/[\\s,]+/);\n    var len = split.length;\n\n    for (i = 0; i < len; i++) {\n      if (!split[i]) {\n        // ignore empty strings\n        continue;\n      }\n\n      namespaces = split[i].replace(/\\*/g, '.*?');\n\n      if (namespaces[0] === '-') {\n        createDebug.skips.push(new RegExp('^' + namespaces.substr(1) + '$'));\n      } else {\n        createDebug.names.push(new RegExp('^' + namespaces + '$'));\n      }\n    }\n\n    for (i = 0; i < createDebug.instances.length; i++) {\n      var instance = createDebug.instances[i];\n      instance.enabled = createDebug.enabled(instance.namespace);\n    }\n  }\n  /**\n  * Disable debug output.\n  *\n  * @api public\n  */\n\n\n  function disable() {\n    createDebug.enable('');\n  }\n  /**\n  * Returns true if the given mode name is enabled, false otherwise.\n  *\n  * @param {String} name\n  * @return {Boolean}\n  * @api public\n  */\n\n\n  function enabled(name) {\n    if (name[name.length - 1] === '*') {\n      return true;\n    }\n\n    var i;\n    var len;\n\n    for (i = 0, len = createDebug.skips.length; i < len; i++) {\n      if (createDebug.skips[i].test(name)) {\n        return false;\n      }\n    }\n\n    for (i = 0, len = createDebug.names.length; i < len; i++) {\n      if (createDebug.names[i].test(name)) {\n        return true;\n      }\n    }\n\n    return false;\n  }\n  /**\n  * Coerce `val`.\n  *\n  * @param {Mixed} val\n  * @return {Mixed}\n  * @api private\n  */\n\n\n  function coerce(val) {\n    if (val instanceof Error) {\n      return val.stack || val.message;\n    }\n\n    return val;\n  }\n\n  createDebug.enable(createDebug.load());\n  return createDebug;\n}\n\nmodule.exports = setup;","map":null,"metadata":{},"sourceType":"script"}