UNPKG

4.68 kBJavaScriptView Raw
1"use strict";
2var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
3 function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
4 return new (P || (P = Promise))(function (resolve, reject) {
5 function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
6 function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
7 function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
8 step((generator = generator.apply(thisArg, _arguments || [])).next());
9 });
10};
11var __generator = (this && this.__generator) || function (thisArg, body) {
12 var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
13 return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
14 function verb(n) { return function (v) { return step([n, v]); }; }
15 function step(op) {
16 if (f) throw new TypeError("Generator is already executing.");
17 while (_) try {
18 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;
19 if (y = 0, t) op = [op[0] & 2, t.value];
20 switch (op[0]) {
21 case 0: case 1: t = op; break;
22 case 4: _.label++; return { value: op[1], done: false };
23 case 5: _.label++; y = op[1]; op = [0]; continue;
24 case 7: op = _.ops.pop(); _.trys.pop(); continue;
25 default:
26 if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
27 if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
28 if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
29 if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
30 if (t[2]) _.ops.pop();
31 _.trys.pop(); continue;
32 }
33 op = body.call(thisArg, _);
34 } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
35 if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
36 }
37};
38exports.__esModule = true;
39exports.isSupported = exports.getFirstLedgerDevice = exports.getLedgerDevices = exports.requestLedgerDevice = void 0;
40var devices_1 = require("@ledgerhq/devices");
41var ledgerDevices = [
42 {
43 vendorId: devices_1.ledgerUSBVendorId
44 },
45];
46function requestLedgerDevice() {
47 return __awaiter(this, void 0, void 0, function () {
48 var device;
49 return __generator(this, function (_a) {
50 switch (_a.label) {
51 case 0: return [4 /*yield*/, navigator.usb.requestDevice({
52 filters: ledgerDevices
53 })];
54 case 1:
55 device = _a.sent();
56 return [2 /*return*/, device];
57 }
58 });
59 });
60}
61exports.requestLedgerDevice = requestLedgerDevice;
62function getLedgerDevices() {
63 return __awaiter(this, void 0, void 0, function () {
64 var devices;
65 return __generator(this, function (_a) {
66 switch (_a.label) {
67 case 0: return [4 /*yield*/, navigator.usb.getDevices()];
68 case 1:
69 devices = _a.sent();
70 return [2 /*return*/, devices.filter(function (d) { return d.vendorId === devices_1.ledgerUSBVendorId; })];
71 }
72 });
73 });
74}
75exports.getLedgerDevices = getLedgerDevices;
76function getFirstLedgerDevice() {
77 return __awaiter(this, void 0, void 0, function () {
78 var existingDevices;
79 return __generator(this, function (_a) {
80 switch (_a.label) {
81 case 0: return [4 /*yield*/, getLedgerDevices()];
82 case 1:
83 existingDevices = _a.sent();
84 if (existingDevices.length > 0)
85 return [2 /*return*/, existingDevices[0]];
86 return [2 /*return*/, requestLedgerDevice()];
87 }
88 });
89 });
90}
91exports.getFirstLedgerDevice = getFirstLedgerDevice;
92var isSupported = function () {
93 return Promise.resolve(!!navigator &&
94 !!navigator.usb &&
95 typeof navigator.usb.getDevices === "function");
96};
97exports.isSupported = isSupported;
98//# sourceMappingURL=webusb.js.map
\No newline at end of file