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* Created by Trevor Sears <[email protected]>.

* 8:48 PM -- June 16th, 2019.

* Project: @jsdsl/stack

const gulp = require("gulp");

const typescript = require("gulp-typescript");

const sourcemaps = require("gulp-sourcemaps");

const uglify = require("gulp-uglify-es").default;

const del = require("del");

const paths = {

typescript: {

dir: "ts/",

allFiles: "ts/**/*.ts",

tsconfig: "ts/tsconfig.json"

javascript: {

dir: "js/",

allFiles: "js/**/*.js",

entryPoint: "js/main.js",

entryPointFileName: "main.js"

typedefs: {

dir: ".d.ts/",

allFiles: ".d.ts/**/*.d.ts"

}

};

let typescriptProject = typescript.createProject(paths.typescript.tsconfig);

// The default Gulp task.

gulp.task("default", defaultTask);

// Cleans (deletes) all generated/compiled files.

gulp.task("clean", clean);

// Builds the entire project.

gulp.task("build", build);

// Cleans and builds the entire project.

gulp.task("rebuild", rebuild);

// Watch for changes to relevant files and compile-on-change.

gulp.task("watch", watch);

function defaultTask(done) {

return rebuild(done);

}

function clean(done) {

return del([

paths.javascript.dir,

paths.typedefs.dir

]);

}

function build(done) {

return buildJavaScriptPipeline(done);

}

function rebuild(done) {

gulp.series(clean, build)(done);

}

function buildJavaScriptPipeline(done) {

return gulp.series(

compileTypeScript,

uglifyJavaScript

)(done);

}

function compileTypeScript(done) {

let proj =

typescriptProject.src()

.pipe(sourcemaps.init())

.pipe(typescriptProject());

let compileJS = (done) => {

return proj.js

.pipe(sourcemaps.write("."))

.pipe(gulp.dest(paths.javascript.dir));

};

let compileDTS = (done) => {

return proj.dts

.pipe(gulp.dest(paths.typedefs.dir));

};

return gulp.parallel(compileJS, compileDTS)(done);

}

function uglifyJavaScript(done) {

return gulp.src(paths.javascript.allFiles)

.pipe(sourcemaps.init({ loadMaps: true }))

.pipe(uglify())

.pipe(sourcemaps.write("."))

.pipe(gulp.dest(paths.javascript.dir));

}

function watch(done) {

gulp.watch([paths.typescript.allFiles], buildJavaScriptPipeline);

}