eslint-plugin-mdx/lib/processors/remark.js

ESLint Plugin for MDX

import { meta } from '../meta.js';
import { getShortLang } from './helpers.js';
import { markdownProcessor } from './markdown.js';
import { processorOptions as defaultProcessorOptions } from './options.js';
export const createRemarkProcessor = ({ languageMapper, lintCodeBlocks, ...syncOptions } = defaultProcessorOptions) => ({
    meta: {
        name: 'mdx/remark',
        version: meta.version,
    },
    supportsAutofix: true,
    preprocess(text, filename) {
        if (!lintCodeBlocks) {
            return [text];
        }
        return [
            text,
            ...markdownProcessor
                .preprocess(text, filename, syncOptions)
                .map(({ text, filename }) => ({
                text,
                filename: filename.slice(0, filename.lastIndexOf('.')) +
                    '.' +
                    getShortLang(filename, languageMapper),
            })),
        ];
    },
    postprocess([mdxMessages, ...markdownMessages], filename) {
        return [
            ...mdxMessages,
            ...markdownProcessor.postprocess(markdownMessages, filename),
        ]
            .sort((a, b) => a.line - b.line || a.column - b.column)
            .map(lintMessage => {
            const { message, ruleId: eslintRuleId, severity: eslintSeverity, } = lintMessage;
            if (eslintRuleId !== 'mdx/remark') {
                return lintMessage;
            }
            const { source, ruleId, reason, severity } = JSON.parse(message);
            return {
                ...lintMessage,
                ruleId: `${source}-${ruleId}`,
                message: reason,
                severity: Math.max(eslintSeverity, severity),
            };
        });
    },
});
export const remark = createRemarkProcessor();
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