'use strict'; var escapeStringRegexp = require('escape-string-regexp'); var ansiStyles = require('ansi-styles'); var stripAnsi = require('strip-ansi'); var hasAnsi = require('has-ansi'); var supportsColor = require('supports-color'); var defineProps = Object.defineProperties; var chalk = module.exports;

function build(_styles) {

var builder = function builder() {
        return applyStyle.apply(builder, arguments);
};
builder._styles = _styles;
// __proto__ is used because we must return a function, but there is
// no way to create a function with a different prototype.
builder.__proto__ = proto;
return builder;

}

var styles = (function () {

var ret = {};

ansiStyles.grey = ansiStyles.gray;

Object.keys(ansiStyles).forEach(function (key) {
        ansiStyles[key].closeRe = new RegExp(escapeStringRegexp(ansiStyles[key].close), 'g');

        ret[key] = {
                get: function () {
                        return build(this._styles.concat(key));
                }
        };
});

return ret;

})();

var proto = defineProps(function chalk() {}, styles);

function applyStyle() {

// support varags, but simply cast to string in case there's only one arg
var args = arguments;
var argsLen = args.length;
var str = argsLen !== 0 && String(arguments[0]);
if (argsLen > 1) {
        // don't slice `arguments`, it prevents v8 optimizations
        for (var a = 1; a < argsLen; a++) {
                str += ' ' + args[a];
        }
}

if (!chalk.enabled || !str) {
        return str;
}

/*jshint validthis: true*/
var nestedStyles = this._styles;

for (var i = 0; i < nestedStyles.length; i++) {
        var code = ansiStyles[nestedStyles[i]];
        // Replace any instances already present with a re-opening code
        // otherwise only the part of the string until said closing code
        // will be colored, and the rest will simply be 'plain'.
        str = code.open + str.replace(code.closeRe, code.open) + code.close;
}

return str;

}

function init() {

var ret = {};

Object.keys(styles).forEach(function (name) {
        ret[name] = {
                get: function () {
                        return build([name]);
                }
        };
});

return ret;

}

defineProps(chalk, init());

chalk.styles = ansiStyles; chalk.hasColor = hasAnsi; chalk.stripColor = stripAnsi; chalk.supportsColor = supportsColor;

// detect mode if not set manually if (chalk.enabled === undefined) {

chalk.enabled = chalk.supportsColor;

}