76 lines
2.0 KiB
Plaintext
76 lines
2.0 KiB
Plaintext
/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @flow strict-local
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* @format
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* @oncall react_native
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*/
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import type {MixedSourceMap} from '../source-map';
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import type {LookupBias} from './constants.js';
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import type {
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GeneratedPositionLookup,
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IConsumer,
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IterationOrder,
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Mapping,
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SourcePosition,
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} from './types';
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import {
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GENERATED_ORDER,
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GREATEST_LOWER_BOUND,
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LEAST_UPPER_BOUND,
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ORIGINAL_ORDER,
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} from './constants';
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import createConsumer from './createConsumer';
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/**
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* A source map consumer that supports both "basic" and "indexed" source maps.
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* Uses `MappingsConsumer` and `SectionsConsumer` under the hood (via
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* `createConsumer`).
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*/
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export default class DelegatingConsumer implements IConsumer {
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static +GENERATED_ORDER: IterationOrder = GENERATED_ORDER;
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static +ORIGINAL_ORDER: IterationOrder = ORIGINAL_ORDER;
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static +GREATEST_LOWER_BOUND: LookupBias = GREATEST_LOWER_BOUND;
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static +LEAST_UPPER_BOUND: LookupBias = LEAST_UPPER_BOUND;
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_rootConsumer: IConsumer;
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// $FlowFixMe[incompatible-type]
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constructor(sourceMap: MixedSourceMap): IConsumer {
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this._rootConsumer = createConsumer(sourceMap);
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return this._rootConsumer;
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}
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originalPositionFor(
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generatedPosition: GeneratedPositionLookup,
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): SourcePosition {
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return this._rootConsumer.originalPositionFor(generatedPosition);
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}
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generatedMappings(): Iterable<Mapping> {
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return this._rootConsumer.generatedMappings();
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}
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eachMapping(
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callback: (mapping: Mapping) => mixed,
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context?: mixed,
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order?: IterationOrder,
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): void {
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return this._rootConsumer.eachMapping(callback, context, order);
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}
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// flowlint-next-line unsafe-getters-setters:off
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get file(): ?string {
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return this._rootConsumer.file;
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}
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sourceContentFor(source: string, nullOnMissing: true): ?string {
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return this._rootConsumer.sourceContentFor(source, nullOnMissing);
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}
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}
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