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21 lines
724 B
JavaScript
21 lines
724 B
JavaScript
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/**
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* Stringifies a comment.
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*
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* Empty comment lines are left empty,
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* lines consisting of a single space are replaced by `#`,
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* and all other lines are prefixed with a `#`.
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*/
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const stringifyComment = (str) => str.replace(/^(?!$)(?: $)?/gm, '#');
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function indentComment(comment, indent) {
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if (/^\n+$/.test(comment))
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return comment.substring(1);
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return indent ? comment.replace(/^(?! *$)/gm, indent) : comment;
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}
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const lineComment = (str, indent, comment) => str.endsWith('\n')
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? indentComment(comment, indent)
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: comment.includes('\n')
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? '\n' + indentComment(comment, indent)
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: (str.endsWith(' ') ? '' : ' ') + comment;
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export { indentComment, lineComment, stringifyComment };
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