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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 | |
| //------------------------------------------------------------------------------ | |
| module.exports = { | |
| meta: { | |
| type: "suggestion", | |
| docs: { | |
| description: "disallow multiline strings", | |
| category: "Best Practices", | |
| recommended: false, | |
| url: "https://eslint.org/docs/rules/no-multi-str" | |
| }, | |
| schema: [] | |
| }, | |
| 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, message: "Multiline support is limited to browsers supporting ES5 only." }); | |
| } | |
| } | |
| }; | |
| } | |
| }; |