@memlab/e2e
Version:
memlab browser E2E interaction libraries
86 lines (85 loc) • 3.61 kB
JavaScript
;
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
* @oncall memory_lab
*/
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 __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const core_1 = require("@memlab/core");
const BaseOperation_1 = __importDefault(require("./BaseOperation"));
const InteractionUtils_1 = __importDefault(require("./InteractionUtils"));
class ScrollOperation extends BaseOperation_1.default {
constructor(strideLength, repeat = 1, opt = {}) {
super();
this.kind = 'scroll';
this.strideLength = strideLength;
this.repeat = repeat;
// by default scroll down (1 means down, -1 means up)
this.scrollDirection = opt.scrollUp ? -1 : 1;
// by default scrollback to the beginning
this.scrollBack =
typeof opt.scrollBack === 'boolean' ? opt.scrollBack : true;
}
act(page, opArgs = {}) {
return __awaiter(this, void 0, void 0, function* () {
if (core_1.config.disableScroll || !core_1.config.runningMode.shouldScroll()) {
return;
}
let repeat = this.repeat;
let i = 0;
let totalScrollDistance = 0;
const direction = this.scrollDirection > 0 ? 'down' : 'up';
core_1.info.lowLevel(`scrolling ${direction} ${repeat} times...`);
const strideLength = this.scrollDirection * this.strideLength;
while (repeat-- > 0) {
totalScrollDistance += strideLength;
yield scroll(page, strideLength, ++i, opArgs);
}
if (this.scrollBack && totalScrollDistance > 0) {
// scroll back to the top
yield scroll(page, -1 * totalScrollDistance, -1, opArgs);
}
return;
});
}
}
function scroll(page, dist, idx = 0, opArgs) {
return __awaiter(this, void 0, void 0, function* () {
core_1.info.beginSection('scroll');
yield InteractionUtils_1.default.waitUntilLoaded(page, opArgs);
if (idx > 1) {
core_1.info.overwrite(`(${idx}x) scrolling ${dist}px...`);
}
else {
core_1.info.overwrite(`scrolling ${dist}px...`);
}
yield page.evaluate(dist => {
try {
window.scrollBy({ top: dist });
}
catch (_e) {
// to nothing
}
}, dist);
yield InteractionUtils_1.default.waitUntilLoaded(page, opArgs);
yield InteractionUtils_1.default.waitFor(core_1.config.waitAfterScrolling);
core_1.info.endSection('scroll');
});
}
exports.default = ScrollOperation;