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fix: support pug extends #599

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fix: support pug extends #599

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14 changes: 13 additions & 1 deletion src/transformers/pug.ts
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
import detectIndent from 'detect-indent';
import pug from 'pug';
import lex from 'pug-lexer';

import type { Transformer, Options } from '../types';

Expand Down Expand Up @@ -68,7 +69,18 @@ const transformer: Transformer<Options.Pug> = async ({
};

const { type: indentationType } = detectIndent(content);
const input = `${GET_MIXINS(indentationType ?? 'space')}\n${content}`;
let input = `${GET_MIXINS(indentationType ?? 'space')}\n${content}`;
const tokens = lex(input);
const extendsToken = tokens.find((token) => token.type === 'extends');

if (extendsToken) {
const lines = input.split('\n');
const [extendsLine] = lines.splice(extendsToken.loc.start.line - 1, 1);

lines.unshift(extendsLine);
input = lines.join('\n');
}

const compiled = pug.compile(
input,
pugOptions,
Expand Down