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Update MD045/no-alt-text to report instances of HTML "img" tags missing an "alt" attribute (fixes #992).

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Kate Higa 2023-10-18 23:20:19 -07:00 • committed by GitHub
parent 0afedaebf4
commit 531e58ed9a
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18 changed files with 274 additions and 25 deletions
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47
demo/markdownlint-browser.js
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@ -46,8 +46,10 @@ function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
var micromark = __webpack_require__(/*! ./micromark.cjs */ "../helpers/micromark.cjs");
var _require = __webpack_require__(/*! ./shared.js */ "../helpers/shared.js"),
newLineRe = _require.newLineRe;
newLineRe = _require.newLineRe,
nextLinesRe = _require.nextLinesRe;
module.exports.newLineRe = newLineRe;
module.exports.nextLinesRe = nextLinesRe;
// Regular expression for matching common front matter (YAML and TOML)
module.exports.frontMatterRe =
@ -1064,6 +1066,9 @@ module.exports.expandTildePath = expandTildePath;
// See NEWLINES_RE in markdown-it/lib/rules_core/normalize.js
module.exports.newLineRe = /\r\n?|\n/g;
// Regular expression for matching next lines
module.exports.nextLinesRe = /[\r\n][\s\S]*$/;
/***/ }),
/***/ "markdown-it":
@ -5043,11 +5048,11 @@ function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
var _require = __webpack_require__(/*! ../helpers */ "../helpers/helpers.js"),
addError = _require.addError;
addError = _require.addError,
nextLinesRe = _require.nextLinesRe;
var _require2 = __webpack_require__(/*! ../helpers/micromark.cjs */ "../helpers/micromark.cjs"),
filterByTypes = _require2.filterByTypes,
getHtmlTagInfo = _require2.getHtmlTagInfo;
var nextLinesRe = /[\r\n][\s\S]*$/;
module.exports = {
"names": ["MD033", "no-inline-html"],
"description": "Inline HTML",
@ -5986,15 +5991,23 @@ function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
var _require = __webpack_require__(/*! ../helpers */ "../helpers/helpers.js"),
addError = _require.addError;
addError = _require.addError,
nextLinesRe = _require.nextLinesRe;
var _require2 = __webpack_require__(/*! ../helpers/micromark.cjs */ "../helpers/micromark.cjs"),
filterByTypes = _require2.filterByTypes;
filterByTypes = _require2.filterByTypes,
getHtmlTagInfo = _require2.getHtmlTagInfo;
// Regular expression for identifying alt attribute
var altRe = /\salt=/i;
module.exports = {
"names": ["MD045", "no-alt-text"],
"description": "Images should have alternate text (alt text)",
"tags": ["accessibility", "images"],
"function": function MD045(params, onError) {
var images = filterByTypes(params.parsers.micromark.tokens, ["image"]);
var tokens = params.parsers.micromark.tokens;
// Process Markdown images
var images = filterByTypes(tokens, ["image"]);
var _iterator = _createForOfIteratorHelper(images),
_step;
try {
@ -6008,11 +6021,33 @@ module.exports = {
addError(onError, image.startLine, undefined, undefined, range);
}
}
// Process HTML images
} catch (err) {
_iterator.e(err);
} finally {
_iterator.f();
}
var htmlTexts = filterByTypes(tokens, ["htmlText"]);
var _iterator2 = _createForOfIteratorHelper(htmlTexts),
_step2;
try {
for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
var htmlText = _step2.value;
var startColumn = htmlText.startColumn,
startLine = htmlText.startLine,
text = htmlText.text;
var htmlTagInfo = getHtmlTagInfo(htmlText);
if (htmlTagInfo && htmlTagInfo.name.toLowerCase() === "img" && !altRe.test(text)) {
var _range = [startColumn, text.replace(nextLinesRe, "").length];
addError(onError, startLine, undefined, undefined, _range);
}
}
} catch (err) {
_iterator2.e(err);
} finally {
_iterator2.f();
}
}
};