'use strict';

var outvariant = require('outvariant');
var utils = require('./utils-5d2e6c36.js');

var EventEmitter = /** @class */ (function () {
    function EventEmitter() {
        this.listeners = {};
        this.listenersCount = 0;
        this.channelId = Math.floor(Math.random() * 1000000);
        this.listeners = [];
    }
    EventEmitter.prototype.cleanup = function () {
        this.listeners = {};
        this.listenersCount = 0;
    };
    EventEmitter.prototype.dispatch = function (message) {
        Object.values(this.listeners).forEach(function (listener) { return listener(message); });
    };
    EventEmitter.prototype.listener = function (listener) {
        var _this = this;
        if (typeof listener !== "function") {
            return function () {
                return;
            };
        }
        var listenerId = this.listenersCount;
        this.listeners[listenerId] = listener;
        this.listenersCount++;
        return function () {
            delete _this.listeners[listenerId];
        };
    };
    return EventEmitter;
}());

function isCommand(char) {
    return /[a-zA-Z.]/.test(char);
}
function isAlpha(char) {
    return /[a-zA-Z]/.test(char);
}
function isWhitespace(char) {
    return /\s/.test(char);
}
function isOperator(char) {
    return /[&|]/.test(char);
}
function isArgument(char) {
    return /-/.test(char);
}
function isString(char) {
    return /["']/.test(char);
}
function isEnvVar(char) {
    return isAlpha(char) && char === char.toUpperCase();
}
var TokenType;
(function (TokenType) {
    TokenType["OR"] = "OR";
    TokenType["AND"] = "AND";
    TokenType["PIPE"] = "PIPE";
    TokenType["Command"] = "Command";
    TokenType["Argument"] = "Argument";
    TokenType["String"] = "String";
    TokenType["EnvVar"] = "EnvVar";
})(TokenType || (TokenType = {}));
var operators = new Map([
    ["&&", { type: TokenType.AND }],
    ["||", { type: TokenType.OR }],
    ["|", { type: TokenType.PIPE }],
    ["-", { type: TokenType.Argument }],
]);
function tokenize(input) {
    var current = 0;
    var tokens = [];
    function parseCommand() {
        var value = "";
        while (isCommand(input[current]) && current < input.length) {
            value += input[current];
            current++;
        }
        return { type: TokenType.Command, value: value };
    }
    function parseOperator() {
        var value = "";
        while (isOperator(input[current]) && current < input.length) {
            value += input[current];
            current++;
        }
        return operators.get(value);
    }
    function parseArgument() {
        var value = "";
        while ((isArgument(input[current]) || isAlpha(input[current])) &&
            current < input.length) {
            value += input[current];
            current++;
        }
        return { type: TokenType.Argument, value: value };
    }
    function parseString() {
        var openCloseQuote = input[current];
        var value = input[current];
        current++;
        while (input[current] !== openCloseQuote && current < input.length) {
            value += input[current];
            current++;
        }
        value += input[current];
        current++;
        return { type: TokenType.String, value: value };
    }
    function parseEnvVars() {
        var value = {};
        var parseSingleEnv = function () {
            var key = "";
            var pair = "";
            while (input[current] !== "=" && current < input.length) {
                key += input[current];
                current++;
            }
            // Skip equal
            if (input[current] === "=") {
                current++;
            }
            while (input[current] !== " " && current < input.length) {
                pair += input[current];
                current++;
            }
            value[key] = pair;
        };
        while (isEnvVar(input[current]) && current < input.length) {
            parseSingleEnv();
            current++;
        }
        return { type: TokenType.EnvVar, value: value };
    }
    while (current < input.length) {
        var currentChar = input[current];
        if (isWhitespace(currentChar)) {
            current++;
            continue;
        }
        switch (true) {
            case isEnvVar(currentChar):
                tokens.push(parseEnvVars());
                break;
            case isCommand(currentChar):
                tokens.push(parseCommand());
                break;
            case isOperator(currentChar):
                tokens.push(parseOperator());
                break;
            case isArgument(currentChar):
                tokens.push(parseArgument());
                break;
            case isString(currentChar):
                tokens.push(parseString());
                break;
            default:
                throw new Error("Unknown character: ".concat(currentChar));
        }
    }
    return tokens;
}

var counter = 0;
function generateRandomId() {
    var now = Date.now();
    var randomNumber = Math.round(Math.random() * 10000);
    var count = (counter += 1);
    return (+"".concat(now).concat(randomNumber).concat(count)).toString(16);
}
var writeBuffer = function (content) {
    if (typeof content === "string") {
        return new TextEncoder().encode(content);
    }
    else {
        return content;
    }
};
var readBuffer = function (content) {
    if (typeof content === "string") {
        return content;
    }
    else {
        return new TextDecoder().decode(content);
    }
};
var fromBundlerFilesToFS = function (files) {
    return Object.entries(files).reduce(function (acc, _a) {
        var key = _a[0], value = _a[1];
        acc[key] = writeBuffer(value.code);
        return acc;
    }, {});
};
/**
 * Figure out which script it must run to start a server
 */
var findStartScriptPackageJson = function (packageJson) {
    var scripts = {};
    // TODO: support postinstall
    var possibleKeys = ["dev", "start"];
    try {
        scripts = JSON.parse(packageJson).scripts;
    }
    catch (e) {
        throw utils.createError("Could not parse package.json file: " + e.message);
    }
    outvariant.invariant(scripts, "Failed to start. Please provide a `start` or `dev` script on the package.json");
    var _loop_1 = function (index) {
        if (possibleKeys[index] in scripts) {
            var script = possibleKeys[index];
            var candidate = scripts[script];
            var env_1 = {};
            var command_1 = "";
            var args_1 = [];
            tokenize(candidate).forEach(function (item) {
                var commandNotFoundYet = command_1 === "";
                if (item.type === TokenType.EnvVar) {
                    env_1 = item.value;
                }
                if (item.type === TokenType.Command && commandNotFoundYet) {
                    command_1 = item.value;
                }
                if (item.type === TokenType.Argument ||
                    (!commandNotFoundYet && item.type === TokenType.Command)) {
                    args_1.push(item.value);
                }
                // TODO: support TokenType.AND, TokenType.OR, TokenType.PIPE
            });
            return { value: [command_1, args_1, { env: env_1 }] };
        }
    };
    for (var index = 0; index < possibleKeys.length; index++) {
        var state_1 = _loop_1(index);
        if (typeof state_1 === "object")
            return state_1.value;
    }
    throw utils.createError("Failed to start. Please provide a `start` or `dev` script on the package.json");
};
var getMessageFromError = function (error) {
    if (typeof error === "string")
        return error;
    if (typeof error === "object" && "message" in error) {
        return error.message;
    }
    return utils.createError("The server could not be reached. Make sure that the node script is running and that a port has been started.");
};

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Map,e=0;e<t.length;e+=2)r.set(t[e],t[e+1]);return r}for(var n=[],a=0;a<t.length;a+=2)n.push([t[e],t[e+1]]);return n}},{type:\"[[Set]]\",lookup:i&&Set,shouldTransform:function(t,r){return i&&r instanceof Set},toSerializable:function(t){var r=[];return t.forEach((function(t){r.push(t)})),r},fromSerializable:function(t){if(i){for(var r=new Set,e=0;e<t.length;e++)r.add(t[e]);return r}return t}}],p=function(){function t(t){this.transforms=[],this.transformsMap=Object.create(null),this.serializer=t||f,this.addTransforms(d)}return t.prototype.addTransforms=function(t){for(var r=0,e=t=Array.isArray(t)?t:[t];r<e.length;r++){var n=e[r];if(this.transformsMap[n.type])throw new Error('Transform with type \"'+n.type+'\" was already added.');this.transforms.push(n),this.transformsMap[n.type]=n}return this},t.prototype.removeTransforms=function(t){for(var r=0,e=t=Array.isArray(t)?t:[t];r<e.length;r++){var n=e[r],a=this.transforms.indexOf(n);a>-1&&this.transforms.splice(a,1),delete this.transformsMap[n.type]}return this},t.prototype.encode=function(t){var r=new c(t,this.transforms).transform();return this.serializer.serialize(r)},t.prototype.decode=function(t){var r=this.serializer.deserialize(t);return new l(r,this.transformsMap).transform()},t}();t.default=p}(z);var E=t&&t.__importDefault||function(t){return t&&t.__esModule?t:{default:t}};S.__esModule=!0,S.Decode=P=S.Encode=void 0;var k=E(O),C=E(w),D=E(A),I=E(j),N=E(z),R=[D.default,C.default,k.default,I.default],x=new N.default;x.addTransforms(R);var P=S.Encode=function(t){return JSON.parse(x.encode(t))};S.Decode=function(t){return x.decode(JSON.stringify(t))},function(r){var e=t&&t.__importDefault||function(t){return t&&t.__esModule?t:{default:t}};r.__esModule=!0;var a=e(n),i=e(o),u=S;r.default=function(t,r,e){void 0===e&&(e=!0);for(var n=t,o={pointers:{},src:{npm:\"https://npmjs.com/package/console-feed\",github:\"https://github.com/samdenty99/console-feed\"}},s=function(t){var a=n[t];n[t]=function(){a.apply(this,arguments);var n=[].slice.call(arguments);setTimeout((function(){var a=i.default(t,n);if(a){var o=a;e&&(o=u.Encode(a)),r(o,a)}}))},o.pointers[t]=a},f=0,c=a.default;f<c.length;f++)s(c[f]);return n.feed=o,n}}(e),r(e)(window.console,(function(t){var r=P(t);parent.postMessage({type:\"console\",codesandbox:!0,log:Array.isArray(r)?r[0]:r,channelId:scope.channelId},\"*\")}));\n";

exports.EventEmitter = EventEmitter;
exports.consoleHook = consoleHook;
exports.findStartScriptPackageJson = findStartScriptPackageJson;
exports.fromBundlerFilesToFS = fromBundlerFilesToFS;
exports.generateRandomId = generateRandomId;
exports.getMessageFromError = getMessageFromError;
exports.readBuffer = readBuffer;
exports.writeBuffer = writeBuffer;