How to use potentiallyUnserializableValue method in Playwright Internal

1"use strict";
2
3Object.defineProperty(exports, "__esModule", {
4  value: true
5});
6exports.FFExecutionContext = void 0;
7
8var js = _interopRequireWildcard(require("../javascript"));
9
10var _stackTrace = require("../../utils/stackTrace");
11
12var _utilityScriptSerializers = require("../common/utilityScriptSerializers");
13
14var _protocolError = require("../common/protocolError");
15
16function _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); }
17
18function _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; }
19
20/**
21 * Copyright 2019 Google Inc. All rights reserved.
22 * Modifications copyright (c) Microsoft Corporation.
23 *
24 * Licensed under the Apache License, Version 2.0 (the "License");
25 * you may not use this file except in compliance with the License.
26 * You may obtain a copy of the License at
27 *
28 *     http://www.apache.org/licenses/LICENSE-2.0
29 *
30 * Unless required by applicable law or agreed to in writing, software
31 * distributed under the License is distributed on an "AS IS" BASIS,
32 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
33 * See the License for the specific language governing permissions and
34 * limitations under the License.
35 */
36class FFExecutionContext {
37  constructor(session, executionContextId) {
38    this._session = void 0;
39    this._executionContextId = void 0;
40    this._session = session;
41    this._executionContextId = executionContextId;
42  }
43
44  async rawEvaluateJSON(expression) {
45    const payload = await this._session.send('Runtime.evaluate', {
46      expression,
47      returnByValue: true,
48      executionContextId: this._executionContextId
49    }).catch(rewriteError);
50    checkException(payload.exceptionDetails);
51    return payload.result.value;
52  }
53
54  async rawEvaluateHandle(expression) {
55    const payload = await this._session.send('Runtime.evaluate', {
56      expression,
57      returnByValue: false,
58      executionContextId: this._executionContextId
59    }).catch(rewriteError);
60    checkException(payload.exceptionDetails);
61    return payload.result.objectId;
62  }
63
64  rawCallFunctionNoReply(func, ...args) {
65    this._session.send('Runtime.callFunction', {
66      functionDeclaration: func.toString(),
67      args: args.map(a => a instanceof js.JSHandle ? {
68        objectId: a._objectId
69      } : {
70        value: a
71      }),
72      returnByValue: true,
73      executionContextId: this._executionContextId
74    }).catch(() => {});
75  }
76
77  async evaluateWithArguments(expression, returnByValue, utilityScript, values, objectIds) {
78    const payload = await this._session.send('Runtime.callFunction', {
79      functionDeclaration: expression,
80      args: [{
81        objectId: utilityScript._objectId,
82        value: undefined
83      }, ...values.map(value => ({
84        value
85      })), ...objectIds.map(objectId => ({
86        objectId,
87        value: undefined
88      }))],
89      returnByValue,
90      executionContextId: this._executionContextId
91    }).catch(rewriteError);
92    checkException(payload.exceptionDetails);
93    if (returnByValue) return (0, _utilityScriptSerializers.parseEvaluationResultValue)(payload.result.value);
94    return utilityScript._context.createHandle(payload.result);
95  }
96
97  async getProperties(context, objectId) {
98    const response = await this._session.send('Runtime.getObjectProperties', {
99      executionContextId: this._executionContextId,
100      objectId
101    });
102    const result = new Map();
103
104    for (const property of response.properties) result.set(property.name, context.createHandle(property.value));
105
106    return result;
107  }
108
109  createHandle(context, remoteObject) {
110    return new js.JSHandle(context, remoteObject.subtype || remoteObject.type || '', renderPreview(remoteObject), remoteObject.objectId, potentiallyUnserializableValue(remoteObject));
111  }
112
113  async releaseHandle(objectId) {
114    await this._session.send('Runtime.disposeObject', {
115      executionContextId: this._executionContextId,
116      objectId
117    });
118  }
119
120}
121
122exports.FFExecutionContext = FFExecutionContext;
123
124function checkException(exceptionDetails) {
125  if (!exceptionDetails) return;
126  if (exceptionDetails.value) throw new js.JavaScriptErrorInEvaluate(JSON.stringify(exceptionDetails.value));else throw new js.JavaScriptErrorInEvaluate(exceptionDetails.text + (exceptionDetails.stack ? '\n' + exceptionDetails.stack : ''));
127}
128
129function rewriteError(error) {
130  if (error.message.includes('cyclic object value') || error.message.includes('Object is not serializable')) return {
131    result: {
132      type: 'undefined',
133      value: undefined
134    }
135  };
136  if (error instanceof TypeError && error.message.startsWith('Converting circular structure to JSON')) (0, _stackTrace.rewriteErrorMessage)(error, error.message + ' Are you passing a nested JSHandle?');
137  if (!js.isJavaScriptErrorInEvaluate(error) && !(0, _protocolError.isSessionClosedError)(error)) throw new Error('Execution context was destroyed, most likely because of a navigation.');
138  throw error;
139}
140
141function potentiallyUnserializableValue(remoteObject) {
142  const value = remoteObject.value;
143  const unserializableValue = remoteObject.unserializableValue;
144  return unserializableValue ? js.parseUnserializableValue(unserializableValue) : value;
145}
146
147function renderPreview(object) {
148  if (object.type === 'undefined') return 'undefined';
149  if (object.unserializableValue) return String(object.unserializableValue);
150  if (object.type === 'symbol') return 'Symbol()';
151  if (object.subtype === 'regexp') return 'RegExp';
152  if (object.subtype === 'weakmap') return 'WeakMap';
153  if (object.subtype === 'weakset') return 'WeakSet';
154  if (object.subtype) return object.subtype[0].toUpperCase() + object.subtype.slice(1);
155  if ('value' in object) return String(object.value);
156}

Source: ffExecutionContext.js

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.FFExecutionContext = void 0;

var js = _interopRequireWildcard(require("../javascript"));

var _stackTrace = require("../../utils/stackTrace");

var _utilityScriptSerializers = require("../common/utilityScriptSerializers");

var _protocolError = require("../common/protocolError");

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 2019 Google Inc. All rights reserved.
 * Modifications 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 FFExecutionContext {
  constructor(session, executionContextId) {
    this._session = void 0;
    this._executionContextId = void 0;
    this._session = session;
    this._executionContextId = executionContextId;
  }

  async rawEvaluateJSON(expression) {
    const payload = await this._session.send('Runtime.evaluate', {
      expression,
      returnByValue: true,
      executionContextId: this._executionContextId
    }).catch(rewriteError);
    checkException(payload.exceptionDetails);
    return payload.result.value;
  }

  async rawEvaluateHandle(expression) {
    const payload = await this._session.send('Runtime.evaluate', {
      expression,
      returnByValue: false,
      executionContextId: this._executionContextId
    }).catch(rewriteError);
    checkException(payload.exceptionDetails);
    return payload.result.objectId;
  }

  rawCallFunctionNoReply(func, ...args) {
    this._session.send('Runtime.callFunction', {
      functionDeclaration: func.toString(),
      args: args.map(a => a instanceof js.JSHandle ? {
        objectId: a._objectId
      } : {
        value: a
      }),
      returnByValue: true,
      executionContextId: this._executionContextId
    }).catch(() => {});
  }

  async evaluateWithArguments(expression, returnByValue, utilityScript, values, objectIds) {
    const payload = await this._session.send('Runtime.callFunction', {
      functionDeclaration: expression,
      args: [{
        objectId: utilityScript._objectId,
        value: undefined
      }, ...values.map(value => ({
        value
      })), ...objectIds.map(objectId => ({
        objectId,
        value: undefined
      }))],
      returnByValue,
      executionContextId: this._executionContextId
    }).catch(rewriteError);
    checkException(payload.exceptionDetails);
    if (returnByValue) return (0, _utilityScriptSerializers.parseEvaluationResultValue)(payload.result.value);
    return utilityScript._context.createHandle(payload.result);
  }

  async getProperties(context, objectId) {
    const response = await this._session.send('Runtime.getObjectProperties', {
      executionContextId: this._executionContextId,
      objectId
    });
    const result = new Map();

    for (const property of response.properties) result.set(property.name, context.createHandle(property.value));

    return result;
  }

  createHandle(context, remoteObject) {
    return new js.JSHandle(context, remoteObject.subtype || remoteObject.type || '', renderPreview(remoteObject), remoteObject.objectId, potentiallyUnserializableValue(remoteObject));
  }

  async releaseHandle(objectId) {
    await this._session.send('Runtime.disposeObject', {
      executionContextId: this._executionContextId,
      objectId
    });
  }

}

exports.FFExecutionContext = FFExecutionContext;

function checkException(exceptionDetails) {
  if (!exceptionDetails) return;
  if (exceptionDetails.value) throw new js.JavaScriptErrorInEvaluate(JSON.stringify(exceptionDetails.value));else throw new js.JavaScriptErrorInEvaluate(exceptionDetails.text + (exceptionDetails.stack ? '\n' + exceptionDetails.stack : ''));
}

function rewriteError(error) {
  if (error.message.includes('cyclic object value') || error.message.includes('Object is not serializable')) return {
    result: {
      type: 'undefined',
      value: undefined
    }
  };
  if (error instanceof TypeError && error.message.startsWith('Converting circular structure to JSON')) (0, _stackTrace.rewriteErrorMessage)(error, error.message + ' Are you passing a nested JSHandle?');
  if (!js.isJavaScriptErrorInEvaluate(error) && !(0, _protocolError.isSessionClosedError)(error)) throw new Error('Execution context was destroyed, most likely because of a navigation.');
  throw error;
}

function potentiallyUnserializableValue(remoteObject) {
  const value = remoteObject.value;
  const unserializableValue = remoteObject.unserializableValue;
  return unserializableValue ? js.parseUnserializableValue(unserializableValue) : value;
}

function renderPreview(object) {
  if (object.type === 'undefined') return 'undefined';
  if (object.unserializableValue) return String(object.unserializableValue);
  if (object.type === 'symbol') return 'Symbol()';
  if (object.subtype === 'regexp') return 'RegExp';
  if (object.subtype === 'weakmap') return 'WeakMap';
  if (object.subtype === 'weakset') return 'WeakSet';
  if (object.subtype) return object.subtype[0].toUpperCase() + object.subtype.slice(1);
  if ('value' in object) return String(object.value);
}

1"use strict";
2
3Object.defineProperty(exports, "__esModule", {
4  value: true
5});
6exports.WKExecutionContext = void 0;
7
8var js = _interopRequireWildcard(require("../javascript"));
9
10var _utilityScriptSerializers = require("../common/utilityScriptSerializers");
11
12var _protocolError = require("../common/protocolError");
13
14function _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); }
15
16function _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; }
17
18/**
19 * Copyright 2017 Google Inc. All rights reserved.
20 * Modifications copyright (c) Microsoft Corporation.
21 *
22 * Licensed under the Apache License, Version 2.0 (the "License");
23 * you may not use this file except in compliance with the License.
24 * You may obtain a copy of the License at
25 *
26 *     http://www.apache.org/licenses/LICENSE-2.0
27 *
28 * Unless required by applicable law or agreed to in writing, software
29 * distributed under the License is distributed on an "AS IS" BASIS,
30 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
31 * See the License for the specific language governing permissions and
32 * limitations under the License.
33 */
34class WKExecutionContext {
35  constructor(session, contextId) {
36    this._session = void 0;
37    this._contextId = void 0;
38    this._session = session;
39    this._contextId = contextId;
40  }
41
42  async rawEvaluateJSON(expression) {
43    try {
44      const response = await this._session.send('Runtime.evaluate', {
45        expression,
46        contextId: this._contextId,
47        returnByValue: true
48      });
49      if (response.wasThrown) throw new js.JavaScriptErrorInEvaluate(response.result.description);
50      return response.result.value;
51    } catch (error) {
52      throw rewriteError(error);
53    }
54  }
55
56  async rawEvaluateHandle(expression) {
57    try {
58      const response = await this._session.send('Runtime.evaluate', {
59        expression,
60        contextId: this._contextId,
61        returnByValue: false
62      });
63      if (response.wasThrown) throw new js.JavaScriptErrorInEvaluate(response.result.description);
64      return response.result.objectId;
65    } catch (error) {
66      throw rewriteError(error);
67    }
68  }
69
70  rawCallFunctionNoReply(func, ...args) {
71    this._session.send('Runtime.callFunctionOn', {
72      functionDeclaration: func.toString(),
73      objectId: args.find(a => a instanceof js.JSHandle)._objectId,
74      arguments: args.map(a => a instanceof js.JSHandle ? {
75        objectId: a._objectId
76      } : {
77        value: a
78      }),
79      returnByValue: true,
80      emulateUserGesture: true
81    }).catch(() => {});
82  }
83
84  async evaluateWithArguments(expression, returnByValue, utilityScript, values, objectIds) {
85    try {
86      const response = await this._session.send('Runtime.callFunctionOn', {
87        functionDeclaration: expression,
88        objectId: utilityScript._objectId,
89        arguments: [{
90          objectId: utilityScript._objectId
91        }, ...values.map(value => ({
92          value
93        })), ...objectIds.map(objectId => ({
94          objectId
95        }))],
96        returnByValue,
97        emulateUserGesture: true,
98        awaitPromise: true
99      });
100      if (response.wasThrown) throw new js.JavaScriptErrorInEvaluate(response.result.description);
101      if (returnByValue) return (0, _utilityScriptSerializers.parseEvaluationResultValue)(response.result.value);
102      return utilityScript._context.createHandle(response.result);
103    } catch (error) {
104      throw rewriteError(error);
105    }
106  }
107
108  async getProperties(context, objectId) {
109    const response = await this._session.send('Runtime.getProperties', {
110      objectId,
111      ownProperties: true
112    });
113    const result = new Map();
114
115    for (const property of response.properties) {
116      if (!property.enumerable || !property.value) continue;
117      result.set(property.name, context.createHandle(property.value));
118    }
119
120    return result;
121  }
122
123  createHandle(context, remoteObject) {
124    const isPromise = remoteObject.className === 'Promise';
125    return new js.JSHandle(context, isPromise ? 'promise' : remoteObject.subtype || remoteObject.type, renderPreview(remoteObject), remoteObject.objectId, potentiallyUnserializableValue(remoteObject));
126  }
127
128  async releaseHandle(objectId) {
129    await this._session.send('Runtime.releaseObject', {
130      objectId
131    });
132  }
133
134}
135
136exports.WKExecutionContext = WKExecutionContext;
137
138function potentiallyUnserializableValue(remoteObject) {
139  const value = remoteObject.value;
140  const isUnserializable = remoteObject.type === 'number' && ['NaN', '-Infinity', 'Infinity', '-0'].includes(remoteObject.description);
141  return isUnserializable ? js.parseUnserializableValue(remoteObject.description) : value;
142}
143
144function rewriteError(error) {
145  if (!js.isJavaScriptErrorInEvaluate(error) && !(0, _protocolError.isSessionClosedError)(error)) return new Error('Execution context was destroyed, most likely because of a navigation.');
146  return error;
147}
148
149function renderPreview(object) {
150  if (object.type === 'undefined') return 'undefined';
151  if ('value' in object) return String(object.value);
152
153  if (object.description === 'Object' && object.preview) {
154    const tokens = [];
155
156    for (const {
157      name,
158      value
159    } of object.preview.properties) tokens.push(`${name}: ${value}`);
160
161    return `{${tokens.join(', ')}}`;
162  }
163
164  if (object.subtype === 'array' && object.preview) {
165    const result = [];
166
167    for (const {
168      name,
169      value
170    } of object.preview.properties) result[+name] = value;
171
172    return '[' + String(result) + ']';
173  }
174
175  return object.description;
176}

Source: wkExecutionContext.js

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.WKExecutionContext = void 0;

var js = _interopRequireWildcard(require("../javascript"));

var _utilityScriptSerializers = require("../common/utilityScriptSerializers");

var _protocolError = require("../common/protocolError");

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 2017 Google Inc. All rights reserved.
 * Modifications 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 WKExecutionContext {
  constructor(session, contextId) {
    this._session = void 0;
    this._contextId = void 0;
    this._session = session;
    this._contextId = contextId;
  }

  async rawEvaluateJSON(expression) {
    try {
      const response = await this._session.send('Runtime.evaluate', {
        expression,
        contextId: this._contextId,
        returnByValue: true
      });
      if (response.wasThrown) throw new js.JavaScriptErrorInEvaluate(response.result.description);
      return response.result.value;
    } catch (error) {
      throw rewriteError(error);
    }
  }

  async rawEvaluateHandle(expression) {
    try {
      const response = await this._session.send('Runtime.evaluate', {
        expression,
        contextId: this._contextId,
        returnByValue: false
      });
      if (response.wasThrown) throw new js.JavaScriptErrorInEvaluate(response.result.description);
      return response.result.objectId;
    } catch (error) {
      throw rewriteError(error);
    }
  }

  rawCallFunctionNoReply(func, ...args) {
    this._session.send('Runtime.callFunctionOn', {
      functionDeclaration: func.toString(),
      objectId: args.find(a => a instanceof js.JSHandle)._objectId,
      arguments: args.map(a => a instanceof js.JSHandle ? {
        objectId: a._objectId
      } : {
        value: a
      }),
      returnByValue: true,
      emulateUserGesture: true
    }).catch(() => {});
  }

  async evaluateWithArguments(expression, returnByValue, utilityScript, values, objectIds) {
    try {
      const response = await this._session.send('Runtime.callFunctionOn', {
        functionDeclaration: expression,
        objectId: utilityScript._objectId,
        arguments: [{
          objectId: utilityScript._objectId
        }, ...values.map(value => ({
          value
        })), ...objectIds.map(objectId => ({
          objectId
        }))],
        returnByValue,
        emulateUserGesture: true,
        awaitPromise: true
      });
      if (response.wasThrown) throw new js.JavaScriptErrorInEvaluate(response.result.description);
      if (returnByValue) return (0, _utilityScriptSerializers.parseEvaluationResultValue)(response.result.value);
      return utilityScript._context.createHandle(response.result);
    } catch (error) {
      throw rewriteError(error);
    }
  }

  async getProperties(context, objectId) {
    const response = await this._session.send('Runtime.getProperties', {
      objectId,
      ownProperties: true
    });
    const result = new Map();

    for (const property of response.properties) {
      if (!property.enumerable || !property.value) continue;
      result.set(property.name, context.createHandle(property.value));
    }

    return result;
  }

  createHandle(context, remoteObject) {
    const isPromise = remoteObject.className === 'Promise';
    return new js.JSHandle(context, isPromise ? 'promise' : remoteObject.subtype || remoteObject.type, renderPreview(remoteObject), remoteObject.objectId, potentiallyUnserializableValue(remoteObject));
  }

  async releaseHandle(objectId) {
    await this._session.send('Runtime.releaseObject', {
      objectId
    });
  }

}

exports.WKExecutionContext = WKExecutionContext;

function potentiallyUnserializableValue(remoteObject) {
  const value = remoteObject.value;
  const isUnserializable = remoteObject.type === 'number' && ['NaN', '-Infinity', 'Infinity', '-0'].includes(remoteObject.description);
  return isUnserializable ? js.parseUnserializableValue(remoteObject.description) : value;
}

function rewriteError(error) {
  if (!js.isJavaScriptErrorInEvaluate(error) && !(0, _protocolError.isSessionClosedError)(error)) return new Error('Execution context was destroyed, most likely because of a navigation.');
  return error;
}

function renderPreview(object) {
  if (object.type === 'undefined') return 'undefined';
  if ('value' in object) return String(object.value);

  if (object.description === 'Object' && object.preview) {
    const tokens = [];

    for (const {
      name,
      value
    } of object.preview.properties) tokens.push(`${name}: ${value}`);

    return `{${tokens.join(', ')}}`;
  }

  if (object.subtype === 'array' && object.preview) {
    const result = [];

    for (const {
      name,
      value
    } of object.preview.properties) result[+name] = value;

    return '[' + String(result) + ']';
  }

  return object.description;
}