Server IP : 150.95.80.236 / Your IP : 3.15.15.217 Web Server : Apache System : Linux host-150-95-80-236 3.10.0-1160.105.1.el7.x86_64 #1 SMP Thu Dec 7 15:39:45 UTC 2023 x86_64 User : social-telecare ( 10000) PHP Version : 7.4.33 Disable Function : opcache_get_status MySQL : OFF | cURL : ON | WGET : OFF | Perl : OFF | Python : OFF | Sudo : OFF | Pkexec : OFF Directory : /var/www/vhosts/pcu.in.th/api-uat.pcu.in.th/node_modules/eslint/lib/rules/ |
Upload File : |
/** * @fileoverview Rule to flag when initializing to undefined * @author Ilya Volodin */ "use strict"; const astUtils = require("./utils/ast-utils"); //------------------------------------------------------------------------------ // Rule Definition //------------------------------------------------------------------------------ /** @type {import('../shared/types').Rule} */ module.exports = { meta: { type: "suggestion", docs: { description: "Disallow initializing variables to `undefined`", recommended: false, url: "https://eslint.org/docs/latest/rules/no-undef-init" }, schema: [], fixable: "code", messages: { unnecessaryUndefinedInit: "It's not necessary to initialize '{{name}}' to undefined." } }, create(context) { const sourceCode = context.sourceCode; return { VariableDeclarator(node) { const name = sourceCode.getText(node.id), init = node.init && node.init.name, scope = sourceCode.getScope(node), undefinedVar = astUtils.getVariableByName(scope, "undefined"), shadowed = undefinedVar && undefinedVar.defs.length > 0, lastToken = sourceCode.getLastToken(node); if (init === "undefined" && node.parent.kind !== "const" && !shadowed) { context.report({ node, messageId: "unnecessaryUndefinedInit", data: { name }, fix(fixer) { if (node.parent.kind === "var") { return null; } if (node.id.type === "ArrayPattern" || node.id.type === "ObjectPattern") { // Don't fix destructuring assignment to `undefined`. return null; } if (sourceCode.commentsExistBetween(node.id, lastToken)) { return null; } return fixer.removeRange([node.id.range[1], node.range[1]]); } }); } } }; } };