markdownlint/lib/md047.js

30 lines
772 B
JavaScript

// @ts-check
"use strict";
const { addError, isBlankLine } = require("../helpers");
// eslint-disable-next-line jsdoc/valid-types
/** @type import("./markdownlint").Rule */
module.exports = {
"names": [ "MD047", "single-trailing-newline" ],
"description": "Files should end with a single newline character",
"tags": [ "blank_lines" ],
"function": function MD047(params, onError) {
const lastLineNumber = params.lines.length;
const lastLine = params.lines[lastLineNumber - 1];
if (!isBlankLine(lastLine)) {
addError(
onError,
lastLineNumber,
undefined,
undefined,
[ lastLine.length, 1 ],
{
"insertText": "\n",
"editColumn": lastLine.length + 1
}
);
}
}
};