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Initial implementation of MD051/valid-link-fragments (refs #253, closes #495).

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Divlo 2022-01-26 00:21:08 +01:00 • committed by David Anson
parent 62f5c85238
commit 33ee1cd85e
13 changed files with 250 additions and 24 deletions
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55
demo/markdownlint-browser.js
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@ -4383,6 +4383,58 @@ module.exports = {
};
/***/ }),
/***/ "../lib/md051.js":
/*!***********************!*\
!*** ../lib/md051.js ***!
\***********************/
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {
"use strict";
// @ts-check
var _a = __webpack_require__(/*! ../helpers */ "../helpers/helpers.js"), addError = _a.addError, forEachHeading = _a.forEachHeading, filterTokens = _a.filterTokens;
/**
* Converts a Markdown heading into an HTML fragment
* according to the rules used by GitHub.
*
* @param {string} string The string to convert.
* @returns {string} The converted string.
*/
function convertHeadingToHTMLFragment(string) {
return "#" + string
.toLowerCase()
.replace(/ /g, "-")
.replace(/[^-_a-z0-9]/g, "");
}
module.exports = {
"names": ["MD051", "valid-link-fragments"],
"description": "Link fragments should be valid",
"tags": ["links"],
"function": function MD051(params, onError) {
var validLinkFragments = [];
forEachHeading(params, function (_heading, content) {
validLinkFragments.push(convertHeadingToHTMLFragment(content));
});
filterTokens(params, "inline", function (token) {
token.children.forEach(function (child) {
var lineNumber = child.lineNumber, type = child.type, attrs = child.attrs;
if (type === "link_open") {
var href = attrs.find(function (attr) { return attr[0] === "href"; });
if (href !== undefined &&
href[1].startsWith("#") &&
!validLinkFragments.includes(href[1])) {
var detail = "Link Fragment is invalid";
addError(onError, lineNumber, detail, href[1]);
}
}
});
});
}
};
/***/ }),
/***/ "../lib/rules.js":
@ -4441,7 +4493,8 @@ var rules = [
__webpack_require__(/*! ./md047 */ "../lib/md047.js"),
__webpack_require__(/*! ./md048 */ "../lib/md048.js"),
__webpack_require__(/*! ./md049 */ "../lib/md049.js"),
__webpack_require__(/*! ./md050 */ "../lib/md050.js")
__webpack_require__(/*! ./md050 */ "../lib/md050.js"),
__webpack_require__(/*! ./md051 */ "../lib/md051.js")
];
rules.forEach(function (rule) {
var name = rule.names[0].toLowerCase();