gulpfile.js

const gulp = require('gulp');
const browserify = require('browserify');
const ts = require('gulp-typescript');
const source = require('vinyl-source-stream');
const del = require('del');

const tsProject = ts.createProject('./tsconfig.json');
const clientOutDir = tsProject.options.outDir;

gulp.task('clean', () => {
    return del([clientOutDir], { force: true });
});

gulp.task('compile-ts-client', () => {
    return tsProject.src()
        .pipe(tsProject())
        .pipe(gulp.dest(clientOutDir));
});

gulp.task('browserify-client', ['compile-ts-client'], () => {
    return browserify(clientOutDir + '/src/Hub.js', {standalone: 'signalR'})
        .bundle()
        .pipe(source('signalr-client.js'))
        .pipe(gulp.dest(clientOutDir + '/browser'));
});

gulp.task('build-ts-client', ['clean', 'compile-ts-client', 'browserify-client']);

gulp.task('default', ['build-ts-client']);