import { loadJS } from "./utils.js";
const sourceCache = new Map();
async function getSourceCode(filePath) {
if (sourceCache.has(filePath)) {
return sourceCache.get(filePath);
}
let source = await fetch(`${filePath}.js`);
source = await source.text();
sourceCache.set(filePath, source);
return source;
}
const DEFAULT_HTML = `
OWL App
`;
const APP_PY = `#!/usr/bin/env python3
import threading
import time
from http.server import SimpleHTTPRequestHandler, HTTPServer
def start_server():
SimpleHTTPRequestHandler.extensions_map['.js'] = 'application/javascript'
httpd = HTTPServer(('0.0.0.0', 3600), SimpleHTTPRequestHandler)
httpd.serve_forever()
url = 'http://127.0.0.1:3600'
if __name__ == "__main__":
print("Owl Application")
print("---------------")
print("Server running on: {}".format(url))
threading.Thread(target=start_server, daemon=True).start()
while True:
try:
time.sleep(1)
except KeyboardInterrupt:
httpd.server_close()
quit(0)
`;
/**
* Make a zip file containing a functioning application
*/
export async function exportStandaloneApp(js, css, xml) {
await loadJS("libs/jszip.min.js");
const zip = new JSZip();
const processedJS = js
.split("\n")
.map(l => (l === "" ? "" : " " + l))
.join("\n");
const JS = `
/**
* This is the javascript code defined in the playground.
* In a larger application, this code should probably be moved in different
* sub files.
*/
import * as utils from "./utils.js";
async function app() {
${processedJS}
}
/**
* Initialization code
* This code load templates, and make sure everything is properly connected.
*/
function prepareOWLApp(templates) {
const _configure = owl.App.prototype.configure;
owl.App.prototype.configure = function configureOverriden(config) {
config = Object.assign({ dev: true }, config);
this.addTemplates(templates);
return _configure.call(this, config);
}
}
async function start() {
let templates;
try {
templates = await owl.loadFile('app.xml');
} catch(e) {
console.error(\`This app requires a static server. If you have python installed, try 'python app.py'\`);
return;
}
prepareOWLApp(templates);
app();
}
start();
`;
const [owlSrc, utilsSrc] = await Promise.all([
getSourceCode("../owl"),
getSourceCode("./utils"),
]);
zip.file("app.js", JS);
zip.file("utils.js", utilsSrc);
zip.file("app.css", css);
zip.file("app.py", APP_PY);
zip.file("app.xml", xml);
zip.file("index.html", DEFAULT_HTML);
zip.file("owl.js", owlSrc);
return zip.generateAsync({ type: "blob" });
}