gulpfile.js

'use strict';

const gulp = require('gulp'),
    tsc = require('gulp-typescript'),
    tslint = require('gulp-tslint'),
    sourcemaps = require('gulp-sourcemaps'),
    Config = require('./gulpfile.config'),
    tsProject = tsc.createProject('tsconfig.json', {typescript:require("typescript")});

const rimrafSync = require('rimraf').sync;

const config = new Config();

/**
 * Lint all custom TypeScript files.
 */
gulp.task('ts-lint', function () {
    return gulp.src(config.allTypeScript)
        .pipe(tslint({
            formatter: "verbose"
        }))
        .pipe(tslint.report());
});

/**
 * Compile TypeScript and include references to library and app .d.ts files.
 */
gulp.task('compile-ts', function () {
    var sourceTsFiles = [ config.allTypeScript,                //path to typescript files
        config.libraryTypeScriptDefinitions ]; //reference to library .d.ts files


    var tsResult = gulp.src(sourceTsFiles)
        .pipe(sourcemaps.init())
        .pipe(tsc(tsProject));

    tsResult.dts.pipe(gulp.dest(config.tsOutputPath));
    return tsResult.js
        .pipe(sourcemaps.write('.'))
        .pipe(gulp.dest(config.tsOutputPath));
});

/**
 * Remove all generated JavaScript files from TypeScript compilation.
 */
gulp.task('clean-ts', function (cb) {
    var typeScriptGenFiles = [
        config.tsOutputPath + '/**/*.js',    // path to all JS files auto gen'd by editor
        config.tsOutputPath + '/**/*.js.map', // path to all sourcemap files auto gen'd by editor
        '!' + config.tsOutputPath + '/lib'
    ];

    // delete the files
    rimrafSync(typeScriptGenFiles, cb);
});

gulp.task('watch', function () {
    gulp.watch([ config.allTypeScript ], [ 'ts-lint', 'compile-ts' ]);
});

gulp.task('default', [ 'ts-lint', 'compile-ts' ]);