UNPKG

chromeless

Version:

🖥 Chrome automation made simple. Runs locally or headless on AWS Lambda.

128 lines • 6.16 kB
"use strict"; var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) { 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) : new P(function (resolve) { resolve(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 (_) try { if (f = 1, y && (t = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"]) && !(t = t.call(y, op[1])).done) return t; if (y = 0, t) op = [0, 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 _this = this; Object.defineProperty(exports, "__esModule", { value: true }); var fs = require("fs"); var os = require("os"); var CDP = require("chrome-remote-interface"); var ava_1 = require("ava"); var src_1 = require("../src"); var testHtml = fs.readFileSync('./src/__tests__/test.html'); var testUrl = "data:text/html," + testHtml; var getPngMetaData = function (filePath) { return __awaiter(_this, void 0, void 0, function () { var fd; return __generator(this, function (_a) { switch (_a.label) { case 0: fd = fs.openSync(filePath, 'r'); return [4 /*yield*/, new Promise(function (resolve) { fs.read(fd, Buffer.alloc(24), 0, 24, 0, function (err, bytesRead, buffer) { return resolve({ width: buffer.readUInt32BE(16), height: buffer.readUInt32BE(20), }); }); })]; case 1: return [2 /*return*/, _a.sent()]; } }); }); }; // POC ava_1.default('evaluate (document.title)', function (t) { return __awaiter(_this, void 0, void 0, function () { var chromeless, title; return __generator(this, function (_a) { switch (_a.label) { case 0: chromeless = new src_1.default({ launchChrome: false }); return [4 /*yield*/, chromeless.goto(testUrl).evaluate(function () { return document.title; })]; case 1: title = _a.sent(); return [4 /*yield*/, chromeless.end()]; case 2: _a.sent(); t.is(title, 'Title'); return [2 /*return*/]; } }); }); }); ava_1.default('screenshot and pdf path', function (t) { return __awaiter(_this, void 0, void 0, function () { var chromeless, screenshot, pdf, regex; return __generator(this, function (_a) { switch (_a.label) { case 0: chromeless = new src_1.default({ launchChrome: false }); return [4 /*yield*/, chromeless.goto(testUrl).screenshot()]; case 1: screenshot = _a.sent(); return [4 /*yield*/, chromeless.goto(testUrl).pdf()]; case 2: pdf = _a.sent(); return [4 /*yield*/, chromeless.end()]; case 3: _a.sent(); regex = new RegExp(os.tmpdir().replace(/\\/g, '\\\\')); t.regex(screenshot, regex); t.regex(pdf, regex); return [2 /*return*/]; } }); }); }); ava_1.default('screenshot by selector', function (t) { return __awaiter(_this, void 0, void 0, function () { var version, versionMajor, chromeless, screenshot, png; return __generator(this, function (_a) { switch (_a.label) { case 0: return [4 /*yield*/, CDP.Version()]; case 1: version = _a.sent(); versionMajor = parseInt(/Chrome\/(\d+)/.exec(version['User-Agent'])[1]); chromeless = new src_1.default({ launchChrome: false }); return [4 /*yield*/, chromeless.goto(testUrl).screenshot('img')]; case 2: screenshot = _a.sent(); return [4 /*yield*/, chromeless.end()]; case 3: _a.sent(); return [4 /*yield*/, getPngMetaData(screenshot)]; case 4: png = _a.sent(); t.is(png.width, versionMajor > 60 ? 512 : 1440); t.is(png.height, versionMajor > 60 ? 512 : 900); return [2 /*return*/]; } }); }); }); //# sourceMappingURL=util.test.js.map