| /** |
| * @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." }); |
| } |
| } |
| }; |
| |
| } |
| }; |