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/**
* @fileoverview Rule to flag when using multiline strings
* @author Ilya Volodin
*/
"use strict";
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
module.exports = {
meta: {
docs: {
description: "disallow multiline strings",
category: "Best Practices",
recommended: false
},
schema: []
},
create: function(context) {
/**
* Determines if a given node is part of JSX syntax.
* @param {ASTNode} node The node to check.
* @returns {boolean} True if the node is a JSX node, false if not.
* @private
*/
function isJSXElement(node) {
return node.type.indexOf("JSX") === 0;
}
//--------------------------------------------------------------------------
// Public API
//--------------------------------------------------------------------------
return {
Literal: function(node) {
const lineBreak = /\n/;
if (lineBreak.test(node.raw) && !isJSXElement(node.parent)) {
context.report(node, "Multiline support is limited to browsers supporting ES5 only.");
}
}
};
}
};
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