d2-ui
Version:
63 lines (49 loc) • 1.85 kB
JavaScript
/**
* @fileoverview Require file to end with single newline.
* @author Nodeca Team <https://github.com/nodeca>
*/
;
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
module.exports = {
meta: {
docs: {
description: "enforce at least one newline at the end of files",
category: "Stylistic Issues",
recommended: false
},
fixable: "whitespace",
schema: [
{
enum: ["unix", "windows"]
}
]
},
create: function(context) {
//--------------------------------------------------------------------------
// Public
//--------------------------------------------------------------------------
return {
Program: function checkBadEOF(node) {
var sourceCode = context.getSourceCode(),
src = sourceCode.getText(),
location = {column: 1},
linebreakStyle = context.options[0] || "unix",
linebreak = linebreakStyle === "unix" ? "\n" : "\r\n";
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);
}
});
}
}
};
}
};