33 lines
942 B
Plaintext
33 lines
942 B
Plaintext
/**
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* Copyright (c) 2013-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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* @providesModule getTextAfterNearestEntity
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* @format
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* @flow
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*/
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'use strict';
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import type { BlockNodeRecord } from './BlockNodeRecord';
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/**
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* Find the string of text between the previous entity and the specified
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* offset. This allows us to narrow down search areas for regex matching.
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*/
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function getTextAfterNearestEntity(block: BlockNodeRecord, offset: number): string {
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var start = offset;
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// Get start based on where the last entity ended.
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while (start > 0 && block.getEntityAt(start - 1) === null) {
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start--;
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}
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return block.getText().slice(start, offset);
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}
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module.exports = getTextAfterNearestEntity; |