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/**
* @fileoverview Rule to flag when using multiline strings
* @author Ilya Volodin
*/
"use strict";
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
const astUtils = require("./utils/ast-utils");
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
/** @type {import('../shared/types').Rule} */
module.exports = {
meta: {
type: "suggestion",
docs: {
description: "disallow multiline strings",
recommended: false,
url: "https://eslint.org/docs/rules/no-multi-str"
},
schema: [],
messages: {
multilineString: "Multiline support is limited to browsers supporting ES5 only."
}
},
create(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(node) {
if (astUtils.LINEBREAK_MATCHER.test(node.raw) && !isJSXElement(node.parent)) {
context.report({
node,
messageId: "multilineString"
});
}
}
};
}
};
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