kitchensink
Version:
Dispatch's awesome components and style guide
72 lines (61 loc) • 1.46 kB
JavaScript
/**
* Disallows newline before module.exports
*
* Type: `Boolean`
*
* Value: `true`
*
* #### Example
*
* ```js
* "disallowPaddingNewLinesBeforeExport": true
* ```
*
* ##### Valid
*
* ```js
* var a = 2;
* module.exports = a;
* ```
*
* ##### Invalid
*
* ```js
* var a = 2;
*
* module.exports = a;
* ```
*/
var assert = require('assert');
module.exports = function() {};
module.exports.prototype = {
configure: function(value) {
assert(
value === true,
this.getOptionName() + ' option requires a true value or should be removed'
);
},
getOptionName: function() {
return 'disallowPaddingNewLinesBeforeExport';
},
check: function(file, errors) {
file.iterateNodesByType('AssignmentExpression', function(node) {
var left = node.left;
if (!(
left.object &&
left.object.name === 'module' &&
left.property &&
left.property.name === 'exports')) {
return;
}
var firstToken = file.getFirstNodeToken(node);
var prevToken = file.getPrevToken(firstToken, {includeComments: true});
errors.assert.linesBetween({
atMost: 1,
token: prevToken,
nextToken: firstToken,
message: 'Unexpected extra newline before export'
});
});
}
};