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"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");
/**
* 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 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 dispose() {
return await this._channel.dispose();
}
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.');
}