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Reimplement MD022/blanks-around-headings using micromark tokens.

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This commit is contained in:
David Anson 2023-08-05 23:09:07 -07:00
parent 1eb40d3c4c
commit f079df140c
2 changed files with 60 additions and 43 deletions
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40
lib/md022.js
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@ -2,8 +2,9 @@
"use strict";
const { addErrorDetailIf, blockquotePrefixRe, filterTokens, isBlankLine } =
const { addErrorDetailIf, blockquotePrefixRe, isBlankLine } =
require("../helpers");
const { filterByTypes } = require("../helpers/micromark.cjs");
const getBlockQuote = (str, count) => (
(str || "")
@ -23,46 +24,53 @@ module.exports = {
linesAbove = Number((linesAbove === undefined) ? 1 : linesAbove);
let linesBelow = params.config.lines_below;
linesBelow = Number((linesBelow === undefined) ? 1 : linesBelow);
const { lines } = params;
filterTokens(params, "heading_open", (token) => {
const [ topIndex, nextIndex ] = token.map;
const { lines, parsers } = params;
const headings = filterByTypes(
parsers.micromark.tokens,
[ "atxHeading", "setextHeading" ]
);
for (const heading of headings) {
const { startLine, endLine } = heading;
const line = lines[startLine - 1].trim();
let actualAbove = 0;
for (let i = 0; i < linesAbove; i++) {
if (isBlankLine(lines[topIndex - i - 1])) {
if (isBlankLine(lines[startLine - 2 - i])) {
actualAbove++;
}
}
addErrorDetailIf(
onError,
topIndex + 1,
startLine,
linesAbove,
actualAbove,
"Above",
lines[topIndex].trim(),
line,
null,
{
"insertText":
getBlockQuote(lines[topIndex - 1], linesAbove - actualAbove)
});
getBlockQuote(lines[startLine - 2], linesAbove - actualAbove)
}
);
let actualBelow = 0;
for (let i = 0; i < linesBelow; i++) {
if (isBlankLine(lines[nextIndex + i])) {
if (isBlankLine(lines[endLine + i])) {
actualBelow++;
}
}
addErrorDetailIf(
onError,
topIndex + 1,
startLine,
linesBelow,
actualBelow,
"Below",
lines[topIndex].trim(),
line,
null,
{
"lineNumber": nextIndex + 1,
"lineNumber": endLine + 1,
"insertText":
getBlockQuote(lines[nextIndex], linesBelow - actualBelow)
});
});
getBlockQuote(lines[endLine], linesBelow - actualBelow)
}
);
}
}
};