/**
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* @fileoverview Rule to flag when using multiline strings
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* @author Ilya Volodin
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*/
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"use strict";
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//------------------------------------------------------------------------------
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// Requirements
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//------------------------------------------------------------------------------
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const astUtils = require("./utils/ast-utils");
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//------------------------------------------------------------------------------
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// Rule Definition
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//------------------------------------------------------------------------------
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module.exports = {
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meta: {
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type: "suggestion",
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docs: {
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description: "disallow multiline strings",
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category: "Best Practices",
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recommended: false,
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url: "https://eslint.org/docs/rules/no-multi-str"
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},
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schema: [],
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messages: {
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multilineString: "Multiline support is limited to browsers supporting ES5 only."
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}
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},
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create(context) {
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/**
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* Determines if a given node is part of JSX syntax.
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* @param {ASTNode} node The node to check.
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* @returns {boolean} True if the node is a JSX node, false if not.
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* @private
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*/
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function isJSXElement(node) {
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return node.type.indexOf("JSX") === 0;
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}
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//--------------------------------------------------------------------------
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// Public API
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//--------------------------------------------------------------------------
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return {
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Literal(node) {
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if (astUtils.LINEBREAK_MATCHER.test(node.raw) && !isJSXElement(node.parent)) {
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context.report({
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node,
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messageId: "multilineString"
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});
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}
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}
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};
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}
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};
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