eol-last.js
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/**
* @fileoverview Require file to end with single newline.
* @author Nodeca Team <https://github.com/nodeca>
*/
"use strict";
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
module.exports = function(context) {
//--------------------------------------------------------------------------
// Public
//--------------------------------------------------------------------------
return {
"Program": function checkBadEOF(node) {
// Get the whole source code, not for node only.
var src = context.getSource(),
location = {column: 1},
linebreakStyle = context.options[0] || "unix",
linebreak = linebreakStyle === "unix" ? "\n" : "\r\n";
if (src.length === 0) {
return;
}
if (src[src.length - 1] !== "\n") {
// file is not newline-terminated
location.line = src.split(/\n/g).length;
context.report({
node: node,
loc: location,
message: "Newline required at end of file but not found.",
fix: function(fixer) {
return fixer.insertTextAfterRange([0, src.length], linebreak);
}
});
}
}
};
};
module.exports.schema = [
{
"enum": ["unix", "windows"]
}
];