68 lines
1.7 KiB
JavaScript
68 lines
1.7 KiB
JavaScript
/**
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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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/** @type {import('../types').Rule.RuleModule} */
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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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recommended: false,
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frozen: true,
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url: 'https://eslint.org/docs/latest/rules/no-multi-str',
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},
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schema: [],
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messages: {
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multilineString:
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'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 (
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astUtils.LINEBREAK_MATCHER.test(node.raw) &&
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!isJSXElement(node.parent)
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) {
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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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