@storm-software/markdownlint/dist/chunk-I2NU2OJP.mjs

An opinionated collection of markdownlint rules used by Storm Software.

import {
  __commonJS
} from "./chunk-UJCSKKID.mjs";

// src/rules/no-empty-alt-text.ts
var require_no_empty_alt_text = __commonJS({
  "src/rules/no-empty-alt-text.ts"(exports, module) {
    module.exports = {
      names: ["SSW03", "no-empty-alt-text"],
      description: "Please provide an alternative text for the image.",
      information: new URL(
        "https://github.com/github/markdownlint-github/blob/main/docs/rules/GH003-no-empty-alt-text.md"
      ),
      tags: ["accessibility", "images"],
      function: function SS003(params, onError) {
        const htmlTagsWithImages = params.parsers.markdownit.tokens.filter(
          (token) => {
            return token.type === "html_block" && token.content.includes("<img") || token.type === "inline" && token.content.includes("<img") && token.children.some((child) => child.type === "html_inline");
          }
        );
        const ImageRegex = new RegExp(/<img(.*?)>/, "gid");
        const htmlEmptyAltRegex = new RegExp(/alt=['"]['"]/, "gid");
        for (const token of htmlTagsWithImages) {
          const lineRange = token.map;
          const lineNumber = token.lineNumber;
          const lines = params.lines.slice(lineRange[0], lineRange[1]);
          for (const [i, line] of lines.entries()) {
            const imageTags = line.matchAll(ImageRegex);
            for (const imageTag of imageTags) {
              const imageTagIndex = imageTag.indices[0][0];
              const emptyAltMatches = [
                ...imageTag[0].matchAll(htmlEmptyAltRegex)
              ][0];
              if (emptyAltMatches) {
                const matchingContent = emptyAltMatches[0];
                const startIndex = emptyAltMatches.indices[0][0];
                onError({
                  lineNumber: lineNumber + i,
                  range: [imageTagIndex + startIndex + 1, matchingContent.length]
                });
              }
            }
          }
        }
      }
    };
  }
});

export {
  require_no_empty_alt_text
};