31 lines
816 B
Plaintext
31 lines
816 B
Plaintext
import { Spec } from '../../primitives.js';
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import { Tokenizer } from './index.js';
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/**
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* Splits the `@prefix` from remaining `Spec.lines[].token.description` into the `tag` token,
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* and populates `spec.tag`
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*/
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export default function tagTokenizer(): Tokenizer {
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return (spec: Spec): Spec => {
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const { tokens } = spec.source[0];
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const match = tokens.description.match(/\s*(@(\S+))(\s*)/);
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if (match === null) {
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spec.problems.push({
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code: 'spec:tag:prefix',
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message: 'tag should start with "@" symbol',
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line: spec.source[0].number,
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critical: true,
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});
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return spec;
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}
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tokens.tag = match[1];
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tokens.postTag = match[3];
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tokens.description = tokens.description.slice(match[0].length);
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spec.tag = match[2];
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return spec;
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};
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}
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