kitchensink
Version:
Dispatch's awesome components and style guide
65 lines (58 loc) • 1.49 kB
JavaScript
/**
* Requires putting certain operators on the next line rather than on the current line before a line break.
*
* Types: `Array` or `Boolean`
*
* Values: Array of operators to apply to or `true`
*
* #### Example
*
* ```js
* "disallowOperatorBeforeLineBreak": ["+", "."]
* ```
*
* ##### Valid
*
* ```js
* $el.on( 'click', fn )
* .appendTo( 'body' );
*
* var x = 4 + 5
* + 12 + 13;
* ```
*
* ##### Invalid
*
* ```js
* $el.on( 'click', fn ).
* appendTo( 'body' );
*
* var x = 4 + 5 +
* 12 + 13;
* ```
*/
var assert = require('assert');
var defaultOperators = require('../utils').binaryOperators.slice().concat(['.']);
module.exports = function() {};
module.exports.prototype = {
configure: function(operators) {
assert(Array.isArray(operators) || operators === true,
this.getOptionName() + ' option requires array or true value');
if (operators === true) {
operators = defaultOperators;
}
this._operators = operators;
},
getOptionName: function() {
return 'disallowOperatorBeforeLineBreak';
},
check: function(file, errors) {
file.iterateTokensByTypeAndValue('Punctuator', this._operators, function(token) {
errors.assert.sameLine({
token: token,
nextToken: file.getNextToken(token),
message: 'Operator needs to either be on the same line or after a line break.'
});
});
}
};