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chore: split a cycle in BiDi (#11229)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,133 @@ | ||
| /** | ||
| * Copyright 2023 Google Inc. All rights reserved. | ||
| * | ||
| * 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. | ||
| */ | ||
|
|
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| import type * as Bidi from 'chromium-bidi/lib/cjs/protocol/protocol.js'; | ||
|
|
||
| import {debugError} from '../common/util.js'; | ||
|
|
||
| /** | ||
| * @internal | ||
| */ | ||
| class UnsupportedTypeError extends Error {} | ||
|
|
||
| /** | ||
| * @internal | ||
| */ | ||
| export class BidiDeserializer { | ||
| static deserializeNumber(value: Bidi.Script.SpecialNumber | number): number { | ||
| switch (value) { | ||
| case '-0': | ||
| return -0; | ||
| case 'NaN': | ||
| return NaN; | ||
| case 'Infinity': | ||
| return Infinity; | ||
| case '-Infinity': | ||
| return -Infinity; | ||
| default: | ||
| return value; | ||
| } | ||
| } | ||
|
|
||
| static deserializeLocalValue(result: Bidi.Script.RemoteValue): unknown { | ||
| switch (result.type) { | ||
| case 'array': | ||
| if (result.value) { | ||
| return result.value.map(value => { | ||
| return BidiDeserializer.deserializeLocalValue(value); | ||
| }); | ||
| } | ||
| break; | ||
| case 'set': | ||
| if (result.value) { | ||
| return result.value.reduce((acc: Set<unknown>, value) => { | ||
| return acc.add(BidiDeserializer.deserializeLocalValue(value)); | ||
| }, new Set()); | ||
| } | ||
| break; | ||
| case 'object': | ||
| if (result.value) { | ||
| return result.value.reduce((acc: Record<any, unknown>, tuple) => { | ||
| const {key, value} = BidiDeserializer.deserializeTuple(tuple); | ||
| acc[key as any] = value; | ||
| return acc; | ||
| }, {}); | ||
| } | ||
| break; | ||
| case 'map': | ||
| if (result.value) { | ||
| return result.value?.reduce((acc: Map<unknown, unknown>, tuple) => { | ||
| const {key, value} = BidiDeserializer.deserializeTuple(tuple); | ||
| return acc.set(key, value); | ||
| }, new Map()); | ||
| } | ||
| break; | ||
| case 'promise': | ||
| return {}; | ||
| case 'regexp': | ||
| return new RegExp(result.value.pattern, result.value.flags); | ||
| case 'date': | ||
| return new Date(result.value); | ||
|
|
||
| case 'undefined': | ||
| return undefined; | ||
| case 'null': | ||
| return null; | ||
| case 'number': | ||
| return BidiDeserializer.deserializeNumber(result.value); | ||
| case 'bigint': | ||
| return BigInt(result.value); | ||
| case 'boolean': | ||
| return Boolean(result.value); | ||
| case 'string': | ||
| return result.value; | ||
| } | ||
|
|
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| throw new UnsupportedTypeError( | ||
| `Deserialization of type ${result.type} not supported.` | ||
| ); | ||
| } | ||
|
|
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| static deserializeTuple([serializedKey, serializedValue]: [ | ||
| Bidi.Script.RemoteValue | string, | ||
| Bidi.Script.RemoteValue, | ||
| ]): {key: unknown; value: unknown} { | ||
| const key = | ||
| typeof serializedKey === 'string' | ||
| ? serializedKey | ||
| : BidiDeserializer.deserializeLocalValue(serializedKey); | ||
| const value = BidiDeserializer.deserializeLocalValue(serializedValue); | ||
|
|
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| return {key, value}; | ||
| } | ||
|
|
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| static deserialize(result: Bidi.Script.RemoteValue): any { | ||
| if (!result) { | ||
| debugError('Service did not produce a result.'); | ||
| return undefined; | ||
| } | ||
|
|
||
| try { | ||
| return BidiDeserializer.deserializeLocalValue(result); | ||
| } catch (error) { | ||
| if (error instanceof UnsupportedTypeError) { | ||
| debugError(error.message); | ||
| return undefined; | ||
| } | ||
| throw error; | ||
| } | ||
| } | ||
| } |
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