40 lines
1.9 KiB
JavaScript
40 lines
1.9 KiB
JavaScript
"use strict";
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var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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return new (P || (P = Promise))(function (resolve, reject) {
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function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
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function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
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function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
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step((generator = generator.apply(thisArg, _arguments || [])).next());
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});
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.Polyfill = void 0;
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const polyfillLibrary = require("polyfill-library");
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const _1 = require(".");
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const threads_1 = require("threads");
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const features = new _1.WaitForSync();
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(() => __awaiter(void 0, void 0, void 0, function* () {
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const worker = yield threads_1.spawn(new threads_1.Worker("./polyfill-worker"));
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const feats = yield worker();
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yield threads_1.Thread.terminate(worker);
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return feats;
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}))()
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.then(feats => {
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feats["fetch"] = {};
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_1.Logger.debug("Polyfill analysed:", Object.keys(feats));
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features.setData(feats);
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})
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.catch(err => features.setError(err));
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function getRouter(opts) {
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const options = Object.assign({ minify: _1.DefaultConfig.isProduction, unknown: "polyfill" }, opts);
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return (req, res) => __awaiter(this, void 0, void 0, function* () {
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const polyfillBundle = yield polyfillLibrary.getPolyfillString(Object.assign(Object.assign({}, options), { uaString: req.header("user-agent"), features: yield features.resolve(), stream: false }));
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res.setHeader('Content-Type', 'text/javascript');
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res.send(polyfillBundle);
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});
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}
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exports.Polyfill = {
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getRouter: getRouter,
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};
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