awesome-typescript-loader/dist/checker.js

Awesome TS loader for webpack

var colors = require('colors');
var _ = require('lodash');
var AWESOME_SYNONYMS = [
    'awesome',
    'impressive',
    'amazing',
    'grand',
    'majestic',
    'magnificent',
    'wonderful',
    'great',
    'marvellous',
    'incredible',
    'fabulous',
    'outstanding',
    'unbelievable',
    'beautiful',
    'excellent',
    'mind-blowing',
    'superb',
    'badass',
    'brilliant',
    'exciting',
    'eye-opening',
    'fucking good',
    'fine',
    'perfect',
    'cool',
    'fantastical',
    'five-star'
];
(function (MessageType) {
    MessageType[MessageType["Init"] = 'init'] = "Init";
    MessageType[MessageType["Compile"] = 'compile'] = "Compile";
})(exports.MessageType || (exports.MessageType = {}));
var MessageType = exports.MessageType;
var env = {};
var Host = (function () {
    function Host() {
    }
    Host.prototype.getScriptFileNames = function () {
        return Object.keys(env.files);
    };
    Host.prototype.getScriptVersion = function (fileName) {
        if (env.files[fileName]) {
            return env.files[fileName].version.toString();
        }
    };
    Host.prototype.getScriptSnapshot = function (fileName) {
        var file = env.files[fileName];
        if (file) {
            return env.compiler.ScriptSnapshot.fromString(file.text);
        }
    };
    Host.prototype.getCurrentDirectory = function () {
        return process.cwd();
    };
    Host.prototype.getScriptIsOpen = function () {
        return true;
    };
    Host.prototype.getCompilationSettings = function () {
        return env.options;
    };
    Host.prototype.getDefaultLibFileName = function (options) {
        return options.target === 2 ?
            env.compilerInfo.lib6.fileName :
            env.compilerInfo.lib5.fileName;
    };
    Host.prototype.log = function (message) {
    };
    return Host;
})();
exports.Host = Host;
function processInit(payload) {
    env.compiler = require(payload.compilerInfo.compilerName);
    env.host = new Host();
    env.compilerInfo = payload.compilerInfo;
    env.options = payload.compilerOptions;
    env.service = env.compiler.createLanguageService(env.host, env.compiler.createDocumentRegistry());
}
function processCompile(payload) {
    env.files = payload.files;
    var program = env.program = env.service.getProgram();
    var allDiagnostics = env.compiler.getPreEmitDiagnostics(program);
    if (allDiagnostics.length) {
        console.error(colors.yellow('Checker diagnostics:'));
        allDiagnostics.forEach(function (diagnostic) {
            var message = ts.flattenDiagnosticMessageText(diagnostic.messageText, '\n');
            if (diagnostic.file) {
                var _a = diagnostic.file.getLineAndCharacterOfPosition(diagnostic.start), line = _a.line, character = _a.character;
                console.error(colors.cyan(diagnostic.file.fileName) + " (" + (line + 1) + "," + (character + 1) + "):\n    " + colors.red(message));
            }
            else {
                console.error(colors.red(message));
            }
        });
    }
    else {
        console.error(colors.green('Your program is ' + AWESOME_SYNONYMS[_.random(AWESOME_SYNONYMS.length - 1)] + '!'));
    }
}
process.on('message', function (msg) {
    switch (msg.messageType) {
        case MessageType.Init:
            processInit(msg.payload);
            break;
        case MessageType.Compile:
            processCompile(msg.payload);
            break;
    }
});
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