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17 lines
510 B
TypeScript
17 lines
510 B
TypeScript
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import {
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ChangeOperation,
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CommentOperation,
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DeleteOperation,
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InsertOperation,
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Operation,
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} from '../../../types/change'
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export const isInsertOperation = (op: Operation): op is InsertOperation =>
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'i' in op
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export const isChangeOperation = (op: Operation): op is ChangeOperation =>
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'c' in op && 't' in op
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export const isCommentOperation = (op: Operation): op is CommentOperation =>
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'c' in op && !('t' in op)
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export const isDeleteOperation = (op: Operation): op is DeleteOperation =>
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'd' in op
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