fork-ts-checker-webpack-plugin2/lib/formatter/codeframeFormatter.js

Runs typescript type checker and linter on separate process.

"use strict";
var os = require("os");
var codeFrame = require("babel-code-frame");
var chalk = require("chalk");
var fs = require("fs");
module.exports = function createCodeframeFormatter(options) {
    return function codeframeFormatter(message, useColors) {
        var colors = new chalk.constructor({ enabled: useColors });
        var messageColor = message.isWarningSeverity() ? colors.bold.yellow : colors.bold.red;
        var positionColor = colors.dim;
        var source = message.getFile() && fs.existsSync(message.getFile()) && fs.readFileSync(message.getFile(), 'utf-8');
        var frame = '';
        if (source) {
            frame = codeFrame(source, message.line, message.character, Object.assign({}, options || {}, { highlightCode: useColors }))
                .split('\n')
                .map(function (str) { return '  ' + str; })
                .join(os.EOL);
        }
        return (messageColor(message.getSeverity().toUpperCase() + ' in ' + message.getFile()) + os.EOL +
            positionColor(message.getLine() + ':' + message.getCharacter()) + ' ' + message.getContent() +
            (frame ? os.EOL + frame : ''));
    };
};