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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.NonRecoverableDOMError = exports.InjectedScriptPollHandler = exports.FrameExecutionContext = exports.ElementHandle = void 0;
exports.assertDone = assertDone;
exports.isNonRecoverableDOMError = isNonRecoverableDOMError;
exports.kUnableToAdoptErrorMessage = void 0;
exports.throwRetargetableDOMError = throwRetargetableDOMError;
var _utilsBundle = require("../utilsBundle");
var injectedScriptSource = _interopRequireWildcard(require("../generated/injectedScriptSource"));
var _protocolError = require("./protocolError");
var js = _interopRequireWildcard(require("./javascript"));
var _progress = require("./progress");
var _utils = require("../utils");
function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
/**
* Copyright (c) Microsoft Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
class NonRecoverableDOMError extends Error {}
exports.NonRecoverableDOMError = NonRecoverableDOMError;
function isNonRecoverableDOMError(error) {
return error instanceof NonRecoverableDOMError;
}
class FrameExecutionContext extends js.ExecutionContext {
constructor(delegate, frame, world) {
super(frame, delegate);
this.frame = void 0;
this._injectedScriptPromise = void 0;
this.world = void 0;
this.frame = frame;
this.world = world;
}
async waitForSignalsCreatedBy(action) {
return this.frame._page._frameManager.waitForSignalsCreatedBy(null, false, action);
}
adoptIfNeeded(handle) {
if (handle instanceof ElementHandle && handle._context !== this) return this.frame._page._delegate.adoptElementHandle(handle, this);
return null;
}
async evaluate(pageFunction, arg) {
return js.evaluate(this, true /* returnByValue */, pageFunction, arg);
}
async evaluateHandle(pageFunction, arg) {
return js.evaluate(this, false /* returnByValue */, pageFunction, arg);
}
async evaluateExpression(expression, options, arg) {
return js.evaluateExpression(this, expression, {
...options,
returnByValue: true
}, arg);
}
async evaluateExpressionAndWaitForSignals(expression, options, arg) {
return await this.frame._page._frameManager.waitForSignalsCreatedBy(null, false /* noWaitFor */, async () => {
return this.evaluateExpression(expression, options, arg);
});
}
async evaluateExpressionHandleAndWaitForSignals(expression, options, arg) {
return await this.frame._page._frameManager.waitForSignalsCreatedBy(null, false /* noWaitFor */, async () => {
return js.evaluateExpression(this, expression, {
...options,
returnByValue: false
}, arg);
});
}
createHandle(remoteObject) {
if (this.frame._page._delegate.isElementHandle(remoteObject)) return new ElementHandle(this, remoteObject.objectId);
return super.createHandle(remoteObject);
}
injectedScript() {
if (!this._injectedScriptPromise) {
const custom = [];
const selectorsRegistry = this.frame._page.context().selectors();
for (const [name, {
source
}] of selectorsRegistry._engines) custom.push(`{ name: '${name}', engine: (${source}) }`);
const sdkLanguage = this.frame._page.context()._browser.options.sdkLanguage;
const source = `
(() => {
const module = {};
${injectedScriptSource.source}
return new (module.exports.InjectedScript())(
globalThis,
${(0, _utils.isUnderTest)()},
"${sdkLanguage}",
${JSON.stringify(selectorsRegistry.testIdAttributeName())},
${this.frame._page._delegate.rafCountForStablePosition()},
"${this.frame._page._browserContext._browser.options.name}",
[${custom.join(',\n')}]
);
})();
`;
this._injectedScriptPromise = this.rawEvaluateHandle(source).then(objectId => new js.JSHandle(this, 'object', undefined, objectId));
}
return this._injectedScriptPromise;
}
}
exports.FrameExecutionContext = FrameExecutionContext;
class ElementHandle extends js.JSHandle {
constructor(context, objectId) {
super(context, 'node', undefined, objectId);
this.__elementhandle = true;
this._page = void 0;
this._frame = void 0;
this._page = context.frame._page;
this._frame = context.frame;
this._initializePreview().catch(e => {});
}
async _initializePreview() {
const utility = await this._context.injectedScript();
this._setPreview(await utility.evaluate((injected, e) => 'JSHandle@' + injected.previewNode(e), this));
}
asElement() {
return this;
}
async evaluateInUtility(pageFunction, arg) {
try {
const utility = await this._frame._utilityContext();
return await utility.evaluate(pageFunction, [await utility.injectedScript(), this, arg]);
} catch (e) {
if (js.isJavaScriptErrorInEvaluate(e) || (0, _protocolError.isSessionClosedError)(e)) throw e;
return 'error:notconnected';
}
}
async evaluateHandleInUtility(pageFunction, arg) {
try {
const utility = await this._frame._utilityContext();
return await utility.evaluateHandle(pageFunction, [await utility.injectedScript(), this, arg]);
} catch (e) {
if (js.isJavaScriptErrorInEvaluate(e) || (0, _protocolError.isSessionClosedError)(e)) throw e;
return 'error:notconnected';
}
}
async evaluatePoll(progress, pageFunction, arg) {
try {
const utility = await this._frame._utilityContext();
const poll = await utility.evaluateHandle(pageFunction, [await utility.injectedScript(), this, arg]);
const pollHandler = new InjectedScriptPollHandler(progress, poll);
return await pollHandler.finish();
} catch (e) {
if (js.isJavaScriptErrorInEvaluate(e) || (0, _protocolError.isSessionClosedError)(e)) throw e;
return 'error:notconnected';
}
}
async ownerFrame() {
const frameId = await this._page._delegate.getOwnerFrame(this);
if (!frameId) return null;
const frame = this._page._frameManager.frame(frameId);
if (frame) return frame;
for (const page of this._page._browserContext.pages()) {
const frame = page._frameManager.frame(frameId);
if (frame) return frame;
}
return null;
}
async isIframeElement() {
return this.evaluateInUtility(([injected, node]) => node && (node.nodeName === 'IFRAME' || node.nodeName === 'FRAME'), {});
}
async contentFrame() {
const isFrameElement = throwRetargetableDOMError(await this.isIframeElement());
if (!isFrameElement) return null;
return this._page._delegate.getContentFrame(this);
}
async getAttribute(name) {
return throwRetargetableDOMError(await this.evaluateInUtility(([injected, node, name]) => {
if (node.nodeType !== Node.ELEMENT_NODE) throw injected.createStacklessError('Node is not an element');
const element = node;
return {
value: element.getAttribute(name)
};
}, name)).value;
}
async inputValue() {
return throwRetargetableDOMError(await this.evaluateInUtility(([injected, node]) => {
const element = injected.retarget(node, 'follow-label');
if (!element || element.nodeName !== 'INPUT' && element.nodeName !== 'TEXTAREA' && element.nodeName !== 'SELECT') throw injected.createStacklessError('Node is not an <input>, <textarea> or <select> element');
return {
value: element.value
};
}, undefined)).value;
}
async textContent() {
return throwRetargetableDOMError(await this.evaluateInUtility(([injected, node]) => {
return {
value: node.textContent
};
}, undefined)).value;
}
async innerText() {
return throwRetargetableDOMError(await this.evaluateInUtility(([injected, node]) => {
if (node.nodeType !== Node.ELEMENT_NODE) throw injected.createStacklessError('Node is not an element');
if (node.namespaceURI !== 'http://www.w3.org/1999/xhtml') throw injected.createStacklessError('Node is not an HTMLElement');
const element = node;
return {
value: element.innerText
};
}, undefined)).value;
}
async innerHTML() {
return throwRetargetableDOMError(await this.evaluateInUtility(([injected, node]) => {
if (node.nodeType !== Node.ELEMENT_NODE) throw injected.createStacklessError('Node is not an element');
const element = node;
return {
value: element.innerHTML
};
}, undefined)).value;
}
async dispatchEvent(type, eventInit = {}) {
const main = await this._frame._mainContext();
await this._page._frameManager.waitForSignalsCreatedBy(null, false /* noWaitFor */, async () => {
return main.evaluate(([injected, node, {
type,
eventInit
}]) => injected.dispatchEvent(node, type, eventInit), [await main.injectedScript(), this, {
type,
eventInit
}]);
});
}
async _scrollRectIntoViewIfNeeded(rect) {
return await this._page._delegate.scrollRectIntoViewIfNeeded(this, rect);
}
async _waitAndScrollIntoViewIfNeeded(progress, waitForVisible) {
const timeouts = [0, 50, 100, 250];
while (progress.isRunning()) {
assertDone(throwRetargetableDOMError(await this._waitForElementStates(progress, waitForVisible ? ['visible', 'stable'] : ['stable'], false /* force */)));
progress.throwIfAborted(); // Avoid action that has side-effects.
const result = throwRetargetableDOMError(await this._scrollRectIntoViewIfNeeded());
if (result === 'error:notvisible') {
if (!waitForVisible) {
var _timeouts$shift;
// Wait for a timeout to avoid retrying too often when not waiting for visible.
// If we wait for visible, this should be covered by _waitForElementStates instead.
const timeout = (_timeouts$shift = timeouts.shift()) !== null && _timeouts$shift !== void 0 ? _timeouts$shift : 500;
progress.log(` element is not displayed, retrying in ${timeout}ms`);
await new Promise(f => setTimeout(f, timeout));
}
continue;
}
assertDone(result);
return;
}
}
async scrollIntoViewIfNeeded(metadata, options = {}) {
const controller = new _progress.ProgressController(metadata, this);
return controller.run(progress => this._waitAndScrollIntoViewIfNeeded(progress, false /* waitForVisible */), this._page._timeoutSettings.timeout(options));
}
async _clickablePoint() {
const intersectQuadWithViewport = quad => {
return quad.map(point => ({
x: Math.min(Math.max(point.x, 0), metrics.width),
y: Math.min(Math.max(point.y, 0), metrics.height)
}));
};
const computeQuadArea = quad => {
// Compute sum of all directed areas of adjacent triangles
// https://en.wikipedia.org/wiki/Polygon#Simple_polygons
let area = 0;
for (let i = 0; i < quad.length; ++i) {
const p1 = quad[i];
const p2 = quad[(i + 1) % quad.length];
area += (p1.x * p2.y - p2.x * p1.y) / 2;
}
return Math.abs(area);
};
const [quads, metrics] = await Promise.all([this._page._delegate.getContentQuads(this), this._page.mainFrame()._utilityContext().then(utility => utility.evaluate(() => ({
width: innerWidth,
height: innerHeight
})))]);
if (!quads || !quads.length) return 'error:notvisible';
// Allow 1x1 elements. Compensate for rounding errors by comparing with 0.99 instead.
const filtered = quads.map(quad => intersectQuadWithViewport(quad)).filter(quad => computeQuadArea(quad) > 0.99);
if (!filtered.length) return 'error:notinviewport';
// Return the middle point of the first quad.
const result = {
x: 0,
y: 0
};
for (const point of filtered[0]) {
result.x += point.x / 4;
result.y += point.y / 4;
}
compensateHalfIntegerRoundingError(result);
return result;
}
async _offsetPoint(offset) {
const [box, border] = await Promise.all([this.boundingBox(), this.evaluateInUtility(([injected, node]) => injected.getElementBorderWidth(node), {}).catch(e => {})]);
if (!box || !border) return 'error:notvisible';
if (border === 'error:notconnected') return border;
// Make point relative to the padding box to align with offsetX/offsetY.
return {
x: box.x + border.left + offset.x,
y: box.y + border.top + offset.y
};
}
async _retryPointerAction(progress, actionName, waitForEnabled, action, options) {
let retry = 0;
// We progressively wait longer between retries, up to 500ms.
const waitTime = [0, 20, 100, 100, 500];
// By default, we scroll with protocol method to reveal the action point.
// However, that might not work to scroll from under position:sticky elements
// that overlay the target element. To fight this, we cycle through different
// scroll alignments. This works in most scenarios.
const scrollOptions = [undefined, {
block: 'end',
inline: 'end'
}, {
block: 'center',
inline: 'center'
}, {
block: 'start',
inline: 'start'
}];
while (progress.isRunning()) {
if (retry) {
progress.log(`retrying ${actionName} action${options.trial ? ' (trial run)' : ''}, attempt #${retry}`);
const timeout = waitTime[Math.min(retry - 1, waitTime.length - 1)];
if (timeout) {
progress.log(` waiting ${timeout}ms`);
const result = await this.evaluateInUtility(([injected, node, timeout]) => new Promise(f => setTimeout(f, timeout)), timeout);
if (result === 'error:notconnected') return result;
}
} else {
progress.log(`attempting ${actionName} action${options.trial ? ' (trial run)' : ''}`);
}
const forceScrollOptions = scrollOptions[retry % scrollOptions.length];
const result = await this._performPointerAction(progress, actionName, waitForEnabled, action, forceScrollOptions, options);
++retry;
if (result === 'error:notvisible') {
if (options.force) throw new NonRecoverableDOMError('Element is not visible');
progress.log(' element is not visible');
continue;
}
if (result === 'error:notinviewport') {
if (options.force) throw new NonRecoverableDOMError('Element is outside of the viewport');
progress.log(' element is outside of the viewport');
continue;
}
if (typeof result === 'object' && 'hitTargetDescription' in result) {
progress.log(` ${result.hitTargetDescription} intercepts pointer events`);
continue;
}
return result;
}
return 'done';
}
async _performPointerAction(progress, actionName, waitForEnabled, action, forceScrollOptions, options) {
const {
force = false,
position
} = options;
if (options.__testHookBeforeStable) await options.__testHookBeforeStable();
const result = await this._waitForElementStates(progress, waitForEnabled ? ['visible', 'enabled', 'stable'] : ['visible', 'stable'], force);
if (result !== 'done') return result;
if (options.__testHookAfterStable) await options.__testHookAfterStable();
progress.log(' scrolling into view if needed');
progress.throwIfAborted(); // Avoid action that has side-effects.
if (forceScrollOptions) {
const scrolled = await this.evaluateInUtility(([injected, node, options]) => {
if (node.nodeType === 1 /* Node.ELEMENT_NODE */) node.scrollIntoView(options);
}, forceScrollOptions);
if (scrolled === 'error:notconnected') return scrolled;
} else {
const scrolled = await this._scrollRectIntoViewIfNeeded(position ? {
x: position.x,
y: position.y,
width: 0,
height: 0
} : undefined);
if (scrolled !== 'done') return scrolled;
}
progress.log(' done scrolling');
const maybePoint = position ? await this._offsetPoint(position) : await this._clickablePoint();
if (typeof maybePoint === 'string') return maybePoint;
const point = roundPoint(maybePoint);
progress.metadata.point = point;
await progress.beforeInputAction(this);
let hitTargetInterceptionHandle;
if (!options.force) {
if (options.__testHookBeforeHitTarget) await options.__testHookBeforeHitTarget();
const frameCheckResult = await this._checkFrameIsHitTarget(point);
if (frameCheckResult === 'error:notconnected' || 'hitTargetDescription' in frameCheckResult) return frameCheckResult;
const hitPoint = frameCheckResult.framePoint;
const actionType = actionName === 'move and up' ? 'drag' : actionName === 'hover' || actionName === 'tap' ? actionName : 'mouse';
const handle = await this.evaluateHandleInUtility(([injected, node, {
actionType,
hitPoint,
trial
}]) => injected.setupHitTargetInterceptor(node, actionType, hitPoint, trial), {
actionType,
hitPoint,
trial: !!options.trial
});
if (handle === 'error:notconnected') return handle;
if (!handle._objectId) {
const error = handle.rawValue();
if (error === 'error:notconnected') return error;
return {
hitTargetDescription: error
};
}
hitTargetInterceptionHandle = handle;
progress.cleanupWhenAborted(() => {
// Do not await here, just in case the renderer is stuck (e.g. on alert)
// and we won't be able to cleanup.
hitTargetInterceptionHandle.evaluate(h => h.stop()).catch(e => {});
});
}
const actionResult = await this._page._frameManager.waitForSignalsCreatedBy(progress, options.noWaitAfter, async () => {
if (options.__testHookBeforePointerAction) await options.__testHookBeforePointerAction();
progress.throwIfAborted(); // Avoid action that has side-effects.
let restoreModifiers;
if (options && options.modifiers) restoreModifiers = await this._page.keyboard._ensureModifiers(options.modifiers);
progress.log(` performing ${actionName} action`);
await action(point);
if (restoreModifiers) await this._page.keyboard._ensureModifiers(restoreModifiers);
if (hitTargetInterceptionHandle) {
const stopHitTargetInterception = hitTargetInterceptionHandle.evaluate(h => h.stop()).catch(e => 'done');
if (!options.noWaitAfter) {
// When noWaitAfter is passed, we do not want to accidentally stall on
// non-committed navigation blocking the evaluate.
const hitTargetResult = await stopHitTargetInterception;
if (hitTargetResult !== 'done') return hitTargetResult;
}
}
progress.log(` ${options.trial ? 'trial ' : ''}${actionName} action done`);
progress.log(' waiting for scheduled navigations to finish');
if (options.__testHookAfterPointerAction) await options.__testHookAfterPointerAction();
return 'done';
}, 'input');
if (actionResult !== 'done') return actionResult;
progress.log(' navigations have finished');
return 'done';
}
async hover(metadata, options) {
const controller = new _progress.ProgressController(metadata, this);
return controller.run(async progress => {
const result = await this._hover(progress, options);
return assertDone(throwRetargetableDOMError(result));
}, this._page._timeoutSettings.timeout(options));
}
_hover(progress, options) {
return this._retryPointerAction(progress, 'hover', false /* waitForEnabled */, point => this._page.mouse.move(point.x, point.y), options);
}
async click(metadata, options = {}) {
const controller = new _progress.ProgressController(metadata, this);
return controller.run(async progress => {
const result = await this._click(progress, options);
return assertDone(throwRetargetableDOMError(result));
}, this._page._timeoutSettings.timeout(options));
}
_click(progress, options) {
return this._retryPointerAction(progress, 'click', true /* waitForEnabled */, point => this._page.mouse.click(point.x, point.y, options), options);
}
async dblclick(metadata, options) {
const controller = new _progress.ProgressController(metadata, this);
return controller.run(async progress => {
const result = await this._dblclick(progress, options);
return assertDone(throwRetargetableDOMError(result));
}, this._page._timeoutSettings.timeout(options));
}
_dblclick(progress, options) {
return this._retryPointerAction(progress, 'dblclick', true /* waitForEnabled */, point => this._page.mouse.dblclick(point.x, point.y, options), options);
}
async tap(metadata, options = {}) {
const controller = new _progress.ProgressController(metadata, this);
return controller.run(async progress => {
const result = await this._tap(progress, options);
return assertDone(throwRetargetableDOMError(result));
}, this._page._timeoutSettings.timeout(options));
}
_tap(progress, options) {
return this._retryPointerAction(progress, 'tap', true /* waitForEnabled */, point => this._page.touchscreen.tap(point.x, point.y), options);
}
async selectOption(metadata, elements, values, options) {
const controller = new _progress.ProgressController(metadata, this);
return controller.run(async progress => {
const result = await this._selectOption(progress, elements, values, options);
return throwRetargetableDOMError(result);
}, this._page._timeoutSettings.timeout(options));
}
async _selectOption(progress, elements, values, options) {
const optionsToSelect = [...elements, ...values];
await progress.beforeInputAction(this);
return this._page._frameManager.waitForSignalsCreatedBy(progress, options.noWaitAfter, async () => {
progress.throwIfAborted(); // Avoid action that has side-effects.
progress.log(' selecting specified option(s)');
const result = await this.evaluatePoll(progress, ([injected, node, {
optionsToSelect,
force
}]) => {
return injected.waitForElementStatesAndPerformAction(node, ['visible', 'enabled'], force, injected.selectOptions.bind(injected, optionsToSelect));
}, {
optionsToSelect,
force: options.force
});
return result;
});
}
async fill(metadata, value, options = {}) {
const controller = new _progress.ProgressController(metadata, this);
return controller.run(async progress => {
const result = await this._fill(progress, value, options);
assertDone(throwRetargetableDOMError(result));
}, this._page._timeoutSettings.timeout(options));
}
async _fill(progress, value, options) {
progress.log(`elementHandle.fill("${value}")`);
await progress.beforeInputAction(this);
return this._page._frameManager.waitForSignalsCreatedBy(progress, options.noWaitAfter, async () => {
progress.log(' waiting for element to be visible, enabled and editable');
const filled = await this.evaluatePoll(progress, ([injected, node, {
value,
force
}]) => {
return injected.waitForElementStatesAndPerformAction(node, ['visible', 'enabled', 'editable'], force, injected.fill.bind(injected, value));
}, {
value,
force: options.force
});
progress.throwIfAborted(); // Avoid action that has side-effects.
if (filled === 'error:notconnected') return filled;
progress.log(' element is visible, enabled and editable');
if (filled === 'needsinput') {
progress.throwIfAborted(); // Avoid action that has side-effects.
if (value) await this._page.keyboard.insertText(value);else await this._page.keyboard.press('Delete');
} else {
assertDone(filled);
}
return 'done';
}, 'input');
}
async selectText(metadata, options = {}) {
const controller = new _progress.ProgressController(metadata, this);
return controller.run(async progress => {
progress.throwIfAborted(); // Avoid action that has side-effects.
const result = await this.evaluatePoll(progress, ([injected, node, force]) => {
return injected.waitForElementStatesAndPerformAction(node, ['visible'], force, injected.selectText.bind(injected));
}, options.force);
assertDone(throwRetargetableDOMError(result));
}, this._page._timeoutSettings.timeout(options));
}
async setInputFiles(metadata, items, options) {
const controller = new _progress.ProgressController(metadata, this);
return controller.run(async progress => {
const result = await this._setInputFiles(progress, items, options);
return assertDone(throwRetargetableDOMError(result));
}, this._page._timeoutSettings.timeout(options));
}
async _setInputFiles(progress, items, options) {
const {
files,
localPaths
} = items;
let filePayloads;
if (files) {
filePayloads = [];
for (const payload of files) {
filePayloads.push({
name: payload.name,
mimeType: payload.mimeType || _utilsBundle.mime.getType(payload.name) || 'application/octet-stream',
buffer: payload.buffer.toString('base64')
});
}
}
const multiple = files && files.length > 1 || localPaths && localPaths.length > 1;
const result = await this.evaluateHandleInUtility(([injected, node, multiple]) => {
const element = injected.retarget(node, 'follow-label');
if (!element) return;
if (element.tagName !== 'INPUT') throw injected.createStacklessError('Node is not an HTMLInputElement');
if (multiple && !element.multiple) throw injected.createStacklessError('Non-multiple file input can only accept single file');
return element;
}, multiple);
if (result === 'error:notconnected' || !result.asElement()) return 'error:notconnected';
const retargeted = result.asElement();
await progress.beforeInputAction(this);
await this._page._frameManager.waitForSignalsCreatedBy(progress, options.noWaitAfter, async () => {
progress.throwIfAborted(); // Avoid action that has side-effects.
if (localPaths) await this._page._delegate.setInputFilePaths(retargeted, localPaths);else await this._page._delegate.setInputFiles(retargeted, filePayloads);
});
return 'done';
}
async focus(metadata) {
const controller = new _progress.ProgressController(metadata, this);
await controller.run(async progress => {
const result = await this._focus(progress);
return assertDone(throwRetargetableDOMError(result));
}, 0);
}
async _focus(progress, resetSelectionIfNotFocused) {
progress.throwIfAborted(); // Avoid action that has side-effects.
return await this.evaluateInUtility(([injected, node, resetSelectionIfNotFocused]) => injected.focusNode(node, resetSelectionIfNotFocused), resetSelectionIfNotFocused);
}
async _blur(progress) {
progress.throwIfAborted(); // Avoid action that has side-effects.
return await this.evaluateInUtility(([injected, node]) => injected.blurNode(node), {});
}
async type(metadata, text, options) {
const controller = new _progress.ProgressController(metadata, this);
return controller.run(async progress => {
const result = await this._type(progress, text, options);
return assertDone(throwRetargetableDOMError(result));
}, this._page._timeoutSettings.timeout(options));
}
async _type(progress, text, options) {
progress.log(`elementHandle.type("${text}")`);
await progress.beforeInputAction(this);
return this._page._frameManager.waitForSignalsCreatedBy(progress, options.noWaitAfter, async () => {
const result = await this._focus(progress, true /* resetSelectionIfNotFocused */);
if (result !== 'done') return result;
progress.throwIfAborted(); // Avoid action that has side-effects.
await this._page.keyboard.type(text, options);
return 'done';
}, 'input');
}
async press(metadata, key, options) {
const controller = new _progress.ProgressController(metadata, this);
return controller.run(async progress => {
const result = await this._press(progress, key, options);
return assertDone(throwRetargetableDOMError(result));
}, this._page._timeoutSettings.timeout(options));
}
async _press(progress, key, options) {
progress.log(`elementHandle.press("${key}")`);
await progress.beforeInputAction(this);
return this._page._frameManager.waitForSignalsCreatedBy(progress, options.noWaitAfter, async () => {
const result = await this._focus(progress, true /* resetSelectionIfNotFocused */);
if (result !== 'done') return result;
progress.throwIfAborted(); // Avoid action that has side-effects.
await this._page.keyboard.press(key, options);
return 'done';
}, 'input');
}
async check(metadata, options) {
const controller = new _progress.ProgressController(metadata, this);
return controller.run(async progress => {
const result = await this._setChecked(progress, true, options);
return assertDone(throwRetargetableDOMError(result));
}, this._page._timeoutSettings.timeout(options));
}
async uncheck(metadata, options) {
const controller = new _progress.ProgressController(metadata, this);
return controller.run(async progress => {
const result = await this._setChecked(progress, false, options);
return assertDone(throwRetargetableDOMError(result));
}, this._page._timeoutSettings.timeout(options));
}
async _setChecked(progress, state, options) {
const isChecked = async () => {
const result = await this.evaluateInUtility(([injected, node]) => injected.elementState(node, 'checked'), {});
return throwRetargetableDOMError(result);
};
if ((await isChecked()) === state) return 'done';
const result = await this._click(progress, options);
if (result !== 'done') return result;
if (options.trial) return 'done';
if ((await isChecked()) !== state) throw new NonRecoverableDOMError('Clicking the checkbox did not change its state');
return 'done';
}
async boundingBox() {
return this._page._delegate.getBoundingBox(this);
}
async screenshot(metadata, options = {}) {
const controller = new _progress.ProgressController(metadata, this);
return controller.run(progress => this._page._screenshotter.screenshotElement(progress, this, options), this._page._timeoutSettings.timeout(options));
}
async querySelector(selector, options) {
return this._frame.selectors.query(selector, options, this);
}
async querySelectorAll(selector) {
return this._frame.selectors.queryAll(selector, this);
}
async evalOnSelectorAndWaitForSignals(selector, strict, expression, isFunction, arg) {
const handle = await this._frame.selectors.query(selector, {
strict
}, this);
if (!handle) throw new Error(`Error: failed to find element matching selector "${selector}"`);
const result = await handle.evaluateExpressionAndWaitForSignals(expression, isFunction, true, arg);
handle.dispose();
return result;
}
async evalOnSelectorAllAndWaitForSignals(selector, expression, isFunction, arg) {
const arrayHandle = await this._frame.selectors.queryArrayInMainWorld(selector, this);
const result = await arrayHandle.evaluateExpressionAndWaitForSignals(expression, isFunction, true, arg);
arrayHandle.dispose();
return result;
}
async isVisible() {
const result = await this.evaluateInUtility(([injected, node]) => injected.elementState(node, 'visible'), {});
if (result === 'error:notconnected') return false;
return result;
}
async isHidden() {
const result = await this.evaluateInUtility(([injected, node]) => injected.elementState(node, 'hidden'), {});
return throwRetargetableDOMError(result);
}
async isEnabled() {
const result = await this.evaluateInUtility(([injected, node]) => injected.elementState(node, 'enabled'), {});
return throwRetargetableDOMError(result);
}
async isDisabled() {
const result = await this.evaluateInUtility(([injected, node]) => injected.elementState(node, 'disabled'), {});
return throwRetargetableDOMError(result);
}
async isEditable() {
const result = await this.evaluateInUtility(([injected, node]) => injected.elementState(node, 'editable'), {});
return throwRetargetableDOMError(result);
}
async isChecked() {
const result = await this.evaluateInUtility(([injected, node]) => injected.elementState(node, 'checked'), {});
return throwRetargetableDOMError(result);
}
async waitForElementState(metadata, state, options = {}) {
const controller = new _progress.ProgressController(metadata, this);
return controller.run(async progress => {
progress.log(` waiting for element to be ${state}`);
const result = await this.evaluatePoll(progress, ([injected, node, state]) => {
return injected.waitForElementStatesAndPerformAction(node, [state], false, () => 'done');
}, state);
assertDone(throwRetargetableDOMError(result));
}, this._page._timeoutSettings.timeout(options));
}
async waitForSelector(metadata, selector, options = {}) {
return this._frame.waitForSelector(metadata, selector, options, this);
}
async _adoptTo(context) {
if (this._context !== context) {
const adopted = await this._page._delegate.adoptElementHandle(this, context);
this.dispose();
return adopted;
}
return this;
}
async _waitForElementStates(progress, states, force) {
const title = joinWithAnd(states);
progress.log(` waiting for element to be ${title}`);
const result = await this.evaluatePoll(progress, ([injected, node, {
states,
force
}]) => {
return injected.waitForElementStatesAndPerformAction(node, states, force, () => 'done');
}, {
states,
force
});
if (result === 'error:notconnected') return result;
progress.log(` element is ${title}`);
return result;
}
async _checkFrameIsHitTarget(point) {
let frame = this._frame;
const data = [];
while (frame.parentFrame()) {
const frameElement = await frame.frameElement();
const box = await frameElement.boundingBox();
const style = await frameElement.evaluateInUtility(([injected, iframe]) => injected.describeIFrameStyle(iframe), {}).catch(e => 'error:notconnected');
if (!box || style === 'error:notconnected') return 'error:notconnected';
if (style === 'transformed') {
// We cannot translate coordinates when iframe has any transform applied.
// The best we can do right now is to skip the hitPoint check,
// and solely rely on the event interceptor.
return {
framePoint: undefined
};
}
// Translate from viewport coordinates to frame coordinates.
const pointInFrame = {
x: point.x - box.x - style.left,
y: point.y - box.y - style.top
};
data.push({
frame,
frameElement,
pointInFrame
});
frame = frame.parentFrame();
}
// Add main frame.
data.push({
frame,
frameElement: null,
pointInFrame: point
});
for (let i = data.length - 1; i > 0; i--) {
const element = data[i - 1].frameElement;
const point = data[i].pointInFrame;
// Hit target in the parent frame should hit the child frame element.
const hitTargetResult = await element.evaluateInUtility(([injected, element, hitPoint]) => {
return injected.expectHitTarget(hitPoint, element);
}, point);
if (hitTargetResult !== 'done') return hitTargetResult;
}
return {
framePoint: data[0].pointInFrame
};
}
}
// Handles an InjectedScriptPoll running in injected script:
// - streams logs into progress;
// - cancels the poll when progress cancels.
exports.ElementHandle = ElementHandle;
class InjectedScriptPollHandler {
constructor(progress, poll) {
this._progress = void 0;
this._poll = void 0;
this._progress = progress;
this._poll = poll;
// Ensure we cancel the poll before progress aborts and returns:
// - no unnecessary work in the page;
// - no possible side effects after progress promsie rejects.
this._progress.cleanupWhenAborted(() => this.cancel());
this._streamLogs();
}
async _streamLogs() {
while (this._poll && this._progress.isRunning()) {
const log = await this._poll.evaluate(poll => poll.takeNextLogs()).catch(e => []);
if (!this._poll || !this._progress.isRunning()) return;
for (const entry of log) this._progress.logEntry(entry);
}
}
async finishHandle() {
try {
const result = await this._poll.evaluateHandle(poll => poll.run());
await this._finishInternal();
return result;
} finally {
await this.cancel();
}
}
async finish() {
try {
const result = await this._poll.evaluate(poll => poll.run());
await this._finishInternal();
return result;
} finally {
await this.cancel();
}
}
async _finishInternal() {
if (!this._poll) return;
// Retrieve all the logs before continuing.
const log = await this._poll.evaluate(poll => poll.takeLastLogs()).catch(e => []);
for (const entry of log) this._progress.logEntry(entry);
}
async cancel() {
if (!this._poll) return;
const copy = this._poll;
this._poll = null;
await copy.evaluate(p => p.cancel()).catch(e => {});
copy.dispose();
}
}
exports.InjectedScriptPollHandler = InjectedScriptPollHandler;
function throwRetargetableDOMError(result) {
if (result === 'error:notconnected') throw new Error('Element is not attached to the DOM');
return result;
}
function assertDone(result) {
// This function converts 'done' to void and ensures typescript catches unhandled errors.
}
function roundPoint(point) {
return {
x: (point.x * 100 | 0) / 100,
y: (point.y * 100 | 0) / 100
};
}
function compensateHalfIntegerRoundingError(point) {
// Firefox internally uses integer coordinates, so 8.5 is converted to 9 when clicking.
//
// This does not work nicely for small elements. For example, 1x1 square with corners
// (8;8) and (9;9) is targeted when clicking at (8;8) but not when clicking at (9;9).
// So, clicking at (8.5;8.5) will effectively click at (9;9) and miss the target.
//
// Therefore, we skew half-integer values from the interval (8.49, 8.51) towards
// (8.47, 8.49) that is rounded towards 8. This means clicking at (8.5;8.5) will
// be replaced with (8.48;8.48) and will effectively click at (8;8).
//
// Other browsers use float coordinates, so this change should not matter.
const remainderX = point.x - Math.floor(point.x);
if (remainderX > 0.49 && remainderX < 0.51) point.x -= 0.02;
const remainderY = point.y - Math.floor(point.y);
if (remainderY > 0.49 && remainderY < 0.51) point.y -= 0.02;
}
function joinWithAnd(strings) {
if (strings.length < 1) return strings.join(', ');
return strings.slice(0, strings.length - 1).join(', ') + ' and ' + strings[strings.length - 1];
}
const kUnableToAdoptErrorMessage = 'Unable to adopt element handle from a different document';
exports.kUnableToAdoptErrorMessage = kUnableToAdoptErrorMessage;