/// Proposed API to preserve composability
// const {create, series, parallel, createGulpfile} = require("@pendulum/gulp-tools");

const build = create([
    clean(src, dest),
    parallel(
        ...copy({
            static: ["./src/static/**/*", dist],
            php: ["./src/php/**/*", dist],
            vendor: [["./vendor/**/*.php", "./vendor/.htaccess"], dist + "/vendor"]
        }),
        sass(src, dest),
        [ // Array is series by default
            ts(src, dest),
            parallel(
                rollup(src, dest),
                declarations(src, dest) // Or copy() ?
            ),
            clean({tsClean: [src, dest]})
            // Also shortcut?
            // tsAndRollup({
            //    src, dest, declarations: boolean, temp /* temp directory */   
            // })
        ]
    )
]) // Generates watchers and registers them

const deploy; // = deploy(src, dest) or copy({deploy: [src, dest]})
const serve;
const watch = startWatchers();

const serveAndWatch = create(build, deploy, serve, watch);