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Reimplement MD023/heading-start-left using micromark tokens.

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David Anson 2024-06-17 22:18:58 -07:00
parent 26a0084515
commit 3b9a7fb2dd
5 changed files with 70 additions and 85 deletions
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48
demo/markdownlint-browser.js
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@ -4521,9 +4521,8 @@ module.exports = {
const { addErrorContext, filterTokens } = __webpack_require__(/*! ../helpers */ "../helpers/helpers.js");
const spaceBeforeHeadingRe = /^(\s+|[>\s]+\s\s)[^>\s]/;
const { addErrorContext } = __webpack_require__(/*! ../helpers */ "../helpers/helpers.js");
const { filterByTypes } = __webpack_require__(/*! ../helpers/micromark.cjs */ "../helpers/micromark.cjs");
// eslint-disable-next-line jsdoc/valid-types
/** @type import("./markdownlint").Rule */
@ -4531,31 +4530,34 @@ module.exports = {
"names": [ "MD023", "heading-start-left" ],
"description": "Headings must start at the beginning of the line",
"tags": [ "headings", "spaces" ],
"parser": "markdownit",
"parser": "micromark",
"function": function MD023(params, onError) {
filterTokens(params, "heading_open", function forToken(token) {
const { lineNumber, line } = token;
const match = line.match(spaceBeforeHeadingRe);
if (match) {
const [ prefixAndFirstChar, prefix ] = match;
let deleteCount = prefix.length;
const prefixLengthNoSpace = prefix.trimEnd().length;
if (prefixLengthNoSpace) {
deleteCount -= prefixLengthNoSpace - 1;
}
const headings = filterByTypes(
params.parsers.micromark.tokens,
[ "atxHeading", "linePrefix", "setextHeading" ]
);
for (let i = 0; i < headings.length - 1; i++) {
if (
(headings[i].type === "linePrefix") &&
(headings[i + 1].type !== "linePrefix") &&
(headings[i].startLine === headings[i + 1].startLine)
) {
const { endColumn, startColumn, startLine } = headings[i];
const length = endColumn - startColumn;
addErrorContext(
onError,
lineNumber,
line,
null,
null,
[ 1, prefixAndFirstChar.length ],
startLine,
params.lines[startLine - 1],
true,
false,
[ startColumn, length ],
{
"editColumn": prefixLengthNoSpace + 1,
"deleteCount": deleteCount
});
"editColumn": startColumn,
"deleteCount": length
}
);
}
});
}
}
};