66 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			66 lines
		
	
	
		
			1.8 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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| 
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| "use strict";
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| 
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| //------------------------------------------------------------------------------
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| // Requirements
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| //------------------------------------------------------------------------------
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| 
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| const astUtils = require("./utils/ast-utils");
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| 
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| //------------------------------------------------------------------------------
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| // Rule Definition
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| //------------------------------------------------------------------------------
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| 
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| /** @type {import('../shared/types').Rule} */
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| module.exports = {
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|     meta: {
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|         type: "suggestion",
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| 
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|         docs: {
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|             description: "Disallow multiline strings",
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|             recommended: false,
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|             url: "https://eslint.org/docs/latest/rules/no-multi-str"
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|         },
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| 
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|         schema: [],
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| 
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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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| 
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|     create(context) {
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| 
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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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|         //--------------------------------------------------------------------------
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|         // Public API
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|         //--------------------------------------------------------------------------
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| 
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|         return {
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| 
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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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| };
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