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/**
* @license
* Copyright 2023 Google Inc.
* SPDX-License-Identifier: Apache-2.0
*/
import type * as Bidi from 'chromium-bidi/lib/cjs/protocol/protocol.js';
import {LazyArg} from '../common/LazyArg.js';
import {isDate, isPlainObject, isRegExp} from '../common/util.js';
import {BidiElementHandle} from './ElementHandle.js';
import {BidiJSHandle} from './JSHandle.js';
import type {Sandbox} from './Sandbox.js';
/**
* @internal
*/
class UnserializableError extends Error {}
/**
* @internal
*/
export class BidiSerializer {
static serializeNumber(arg: number): Bidi.Script.LocalValue {
let value: Bidi.Script.SpecialNumber | number;
if (Object.is(arg, -0)) {
value = '-0';
} else if (Object.is(arg, Infinity)) {
value = 'Infinity';
} else if (Object.is(arg, -Infinity)) {
value = '-Infinity';
} else if (Object.is(arg, NaN)) {
value = 'NaN';
} else {
value = arg;
}
return {
type: 'number',
value,
};
}
static serializeObject(arg: object | null): Bidi.Script.LocalValue {
if (arg === null) {
return {
type: 'null',
};
} else if (Array.isArray(arg)) {
const parsedArray = arg.map(subArg => {
return BidiSerializer.serializeRemoteValue(subArg);
});
return {
type: 'array',
value: parsedArray,
};
} else if (isPlainObject(arg)) {
try {
JSON.stringify(arg);
} catch (error) {
if (
error instanceof TypeError &&
error.message.startsWith('Converting circular structure to JSON')
) {
error.message += ' Recursive objects are not allowed.';
}
throw error;
}
const parsedObject: Bidi.Script.MappingLocalValue = [];
for (const key in arg) {
parsedObject.push([
BidiSerializer.serializeRemoteValue(key),
BidiSerializer.serializeRemoteValue(arg[key]),
]);
}
return {
type: 'object',
value: parsedObject,
};
} else if (isRegExp(arg)) {
return {
type: 'regexp',
value: {
pattern: arg.source,
flags: arg.flags,
},
};
} else if (isDate(arg)) {
return {
type: 'date',
value: arg.toISOString(),
};
}
throw new UnserializableError(
'Custom object sterilization not possible. Use plain objects instead.'
);
}
static serializeRemoteValue(arg: unknown): Bidi.Script.LocalValue {
switch (typeof arg) {
case 'symbol':
case 'function':
throw new UnserializableError(`Unable to serializable ${typeof arg}`);
case 'object':
return BidiSerializer.serializeObject(arg);
case 'undefined':
return {
type: 'undefined',
};
case 'number':
return BidiSerializer.serializeNumber(arg);
case 'bigint':
return {
type: 'bigint',
value: arg.toString(),
};
case 'string':
return {
type: 'string',
value: arg,
};
case 'boolean':
return {
type: 'boolean',
value: arg,
};
}
}
static async serialize(
sandbox: Sandbox,
arg: unknown
): Promise<Bidi.Script.LocalValue> {
if (arg instanceof LazyArg) {
arg = await arg.get(sandbox.realm);
}
// eslint-disable-next-line rulesdir/use-using -- We want this to continue living.
const objectHandle =
arg && (arg instanceof BidiJSHandle || arg instanceof BidiElementHandle)
? arg
: null;
if (objectHandle) {
if (
objectHandle.realm.environment.context() !==
sandbox.environment.context()
) {
throw new Error(
'JSHandles can be evaluated only in the context they were created!'
);
}
if (objectHandle.disposed) {
throw new Error('JSHandle is disposed!');
}
return objectHandle.remoteValue() as Bidi.Script.RemoteReference;
}
return BidiSerializer.serializeRemoteValue(arg);
}
}
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