121 lines
3.5 KiB
JavaScript
121 lines
3.5 KiB
JavaScript
"use strict";
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.JSHandle = void 0;
|
|
exports.assertMaxArguments = assertMaxArguments;
|
|
exports.parseResult = parseResult;
|
|
exports.serializeArgument = serializeArgument;
|
|
var _channelOwner = require("./channelOwner");
|
|
var _serializers = require("../protocol/serializers");
|
|
var _errors = require("./errors");
|
|
let _Symbol$asyncDispose;
|
|
/**
|
|
* Copyright (c) Microsoft Corporation.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
_Symbol$asyncDispose = Symbol.asyncDispose;
|
|
class JSHandle extends _channelOwner.ChannelOwner {
|
|
static from(handle) {
|
|
return handle._object;
|
|
}
|
|
constructor(parent, type, guid, initializer) {
|
|
super(parent, type, guid, initializer);
|
|
this._preview = void 0;
|
|
this._preview = this._initializer.preview;
|
|
this._channel.on('previewUpdated', ({
|
|
preview
|
|
}) => this._preview = preview);
|
|
}
|
|
async evaluate(pageFunction, arg) {
|
|
const result = await this._channel.evaluateExpression({
|
|
expression: String(pageFunction),
|
|
isFunction: typeof pageFunction === 'function',
|
|
arg: serializeArgument(arg)
|
|
});
|
|
return parseResult(result.value);
|
|
}
|
|
async evaluateHandle(pageFunction, arg) {
|
|
const result = await this._channel.evaluateExpressionHandle({
|
|
expression: String(pageFunction),
|
|
isFunction: typeof pageFunction === 'function',
|
|
arg: serializeArgument(arg)
|
|
});
|
|
return JSHandle.from(result.handle);
|
|
}
|
|
async getProperty(propertyName) {
|
|
const result = await this._channel.getProperty({
|
|
name: propertyName
|
|
});
|
|
return JSHandle.from(result.handle);
|
|
}
|
|
async getProperties() {
|
|
const map = new Map();
|
|
for (const {
|
|
name,
|
|
value
|
|
} of (await this._channel.getPropertyList()).properties) map.set(name, JSHandle.from(value));
|
|
return map;
|
|
}
|
|
async jsonValue() {
|
|
return parseResult((await this._channel.jsonValue()).value);
|
|
}
|
|
asElement() {
|
|
return null;
|
|
}
|
|
async [_Symbol$asyncDispose]() {
|
|
await this.dispose();
|
|
}
|
|
async dispose() {
|
|
try {
|
|
await this._channel.dispose();
|
|
} catch (e) {
|
|
if ((0, _errors.isTargetClosedError)(e)) return;
|
|
throw e;
|
|
}
|
|
}
|
|
toString() {
|
|
return this._preview;
|
|
}
|
|
}
|
|
|
|
// This function takes care of converting all JSHandles to their channels,
|
|
// so that generic channel serializer converts them to guids.
|
|
exports.JSHandle = JSHandle;
|
|
function serializeArgument(arg) {
|
|
const handles = [];
|
|
const pushHandle = channel => {
|
|
handles.push(channel);
|
|
return handles.length - 1;
|
|
};
|
|
const value = (0, _serializers.serializeValue)(arg, value => {
|
|
if (value instanceof JSHandle) return {
|
|
h: pushHandle(value._channel)
|
|
};
|
|
return {
|
|
fallThrough: value
|
|
};
|
|
});
|
|
return {
|
|
value,
|
|
handles
|
|
};
|
|
}
|
|
function parseResult(value) {
|
|
return (0, _serializers.parseSerializedValue)(value, undefined);
|
|
}
|
|
function assertMaxArguments(count, max) {
|
|
if (count > max) throw new Error('Too many arguments. If you need to pass more than 1 argument to the function wrap them in an object.');
|
|
} |