markdownlint/lib/rules/headerIncrement.js
Josh Goldberg b63647f6b1 Moved rules into their own files
Everything under `lib/rules/*` is a rules file (with the name of the rule in camelCase), re-exported into an array in `lib/rules.js`.
Moved the regular expressions from `lib/rules.js` to `lib/expressions.js`, and the rest of the variables into `lib/shared.js`.
2017-10-29 19:55:01 -07:00

20 lines
581 B
JavaScript

var shared = require("../shared");
module.exports = {
"name": "MD001",
"desc": "Header levels should only increment by one level at a time",
"tags": [ "headers" ],
"aliases": [ "header-increment" ],
"regexp": null,
"func": function MD001(params, errors) {
var prevLevel = 0;
shared.filterTokens(params, "heading_open", function forToken(token) {
var level = parseInt(token.tag.slice(1), 10);
if (prevLevel && (level > prevLevel)) {
errors.addDetailIf(token.lineNumber,
"h" + (prevLevel + 1), "h" + level);
}
prevLevel = level;
});
}
};