react-py
Version:
Effortlessly run Python code in your React apps
184 lines (183 loc) • 9.29 kB
JavaScript
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (g && (g = 0, op[0] && (_ = 0)), _) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
var __read = (this && this.__read) || function (o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o), r, ar = [], e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
}
catch (error) { e = { error: error }; }
finally {
try {
if (r && !r.done && (m = i["return"])) m.call(i);
}
finally { if (e) throw e.error; }
}
return ar;
};
import { jsx as _jsx } from "react/jsx-runtime";
import { createContext, useEffect, useRef, useState } from 'react';
var PythonContext = createContext({
packages: {},
timeout: 0,
lazy: false,
terminateOnCompletion: false,
autoImportPackages: true,
// eslint-disable-next-line @typescript-eslint/no-unused-vars, @typescript-eslint/no-empty-function
sendInput: function (_id, _value) { },
workerAwaitingInputIds: [],
// eslint-disable-next-line @typescript-eslint/no-unused-vars
getPrompt: function (_id) { return undefined; }
});
export var suppressedMessages = ['Python initialization complete'];
function PythonProvider(props) {
var _this = this;
var _a = props.packages, packages = _a === void 0 ? {} : _a, _b = props.timeout, timeout = _b === void 0 ? 0 : _b, _c = props.lazy, lazy = _c === void 0 ? false : _c, _d = props.terminateOnCompletion, terminateOnCompletion = _d === void 0 ? false : _d, _e = props.autoImportPackages, autoImportPackages = _e === void 0 ? true : _e;
var _f = __read(useState(new Set()), 2), workerAwaitingInputIds = _f[0], setWorkerAwaitingInputIds = _f[1];
var _g = __read(useState(new Map()), 2), workerAwaitingInputPrompt = _g[0], setWorkerAwaitingInputPrompt = _g[1];
var swRef = useRef();
useEffect(function () {
var registerServiceWorker = function () { return __awaiter(_this, void 0, void 0, function () {
var url, registration_1, error_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (!('serviceWorker' in navigator)) return [3 /*break*/, 5];
_a.label = 1;
case 1:
_a.trys.push([1, 3, , 4]);
url = new URL('../workers/service-worker', import.meta.url);
return [4 /*yield*/, navigator.serviceWorker.register(url)];
case 2:
registration_1 = _a.sent();
if (registration_1.active) {
console.debug('Service worker active');
swRef.current = registration_1.active;
}
registration_1.addEventListener('updatefound', function () {
var installingWorker = registration_1.installing;
if (installingWorker) {
console.debug('Installing new service worker');
installingWorker.addEventListener('statechange', function () {
if (installingWorker.state === 'installed') {
console.debug('New service worker installed');
swRef.current = installingWorker;
}
});
}
});
return [3 /*break*/, 4];
case 3:
error_1 = _a.sent();
console.error("Registration failed with ".concat(error_1));
return [3 /*break*/, 4];
case 4:
navigator.serviceWorker.onmessage = function (event) {
if (event.data.type === 'REACT_PY_AWAITING_INPUT') {
if (event.source instanceof ServiceWorker) {
// Update the service worker reference, in case the service worker is different to the one we registered
swRef.current = event.source;
}
setWorkerAwaitingInputIds(function (prev) {
return new Set(prev).add(event.data.id);
});
setWorkerAwaitingInputPrompt(function (prev) {
var next = new Map(prev);
next.set(event.data.id, event.data.prompt);
return next;
});
}
};
return [3 /*break*/, 6];
case 5:
console.error('Service workers not supported');
_a.label = 6;
case 6: return [2 /*return*/];
}
});
}); };
registerServiceWorker();
}, []);
var sendInput = function (id, value) {
if (!workerAwaitingInputIds.has(id)) {
console.error('Worker not awaiting input');
return;
}
if (!swRef.current) {
console.error('No service worker registered');
return;
}
swRef.current.postMessage({
type: 'REACT_PY_INPUT',
id: id,
value: value
});
setWorkerAwaitingInputIds(function (prev) {
var next = new Set(prev);
next.delete(id);
return next;
});
setWorkerAwaitingInputPrompt(function (prev) {
var next = new Map(prev);
next.delete(id);
return next;
});
};
return (_jsx(PythonContext.Provider, __assign({ value: {
packages: packages,
timeout: timeout,
lazy: lazy,
terminateOnCompletion: terminateOnCompletion,
autoImportPackages: autoImportPackages,
sendInput: sendInput,
workerAwaitingInputIds: Array.from(workerAwaitingInputIds),
getPrompt: function (id) { return workerAwaitingInputPrompt.get(id); }
} }, props)));
}
export { PythonContext, PythonProvider };