build.json

{
    "js": {
        "plyr.js": {
            "src": "./src/js/plyr.js",
            "dist": "./dist/",
            "formats": ["es", "umd"],
            "namespace": "Plyr"
        },
        "plyr.polyfilled.js": {
            "src": "./src/js/plyr.polyfilled.js",
            "dist": "./dist/",
            "formats": ["es", "umd"],
            "namespace": "Plyr",
            "polyfill": true
        },
        "demo.js": {
            "src": "./demo/src/js/demo.js",
            "dist": "./demo/dist/",
            "formats": ["iife"],
            "namespace": "Demo",
            "polyfill": true
        }
    },
    "css": {
        "plyr.css": {
            "src": "./src/sass/plyr.scss",
            "dist": "./dist/"
        },
        "demo.css": {
            "src": "./demo/src/sass/bundles/demo.scss",
            "dist": "./demo/dist/"
        },
        "error.css": {
            "src": "./demo/src/sass/bundles/error.scss",
            "dist": "./demo/dist/"
        }
    },
    "sprite": {
        "plyr.svg": {
            "src": "./src/sprite/*.svg",
            "dist": "./dist"
        },
        "demo.svg": {
            "src": "./src/sprite/*.svg",
            "dist": "./demo/dist"
        }
    }
}