Sha256: 42661da9757e21db94931f54953174989b026b012680e603bf6903d0772250d7

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Size: 1.83 KB

Versions: 43

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Stored size: 1.83 KB

Contents

/**
 * @fileoverview Rule to flag when regex literals are not wrapped in parens
 * @author Matt DuVall <http://www.mattduvall.com>
 */

"use strict";

//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------

module.exports = {
    meta: {
        docs: {
            description: "require parenthesis around regex literals",
            category: "Stylistic Issues",
            recommended: false,
            url: "https://eslint.org/docs/rules/wrap-regex"
        },

        schema: [],

        fixable: "code",
        messages: {
            requireParens: "Wrap the regexp literal in parens to disambiguate the slash."
        }
    },

    create(context) {
        const sourceCode = context.getSourceCode();

        return {

            Literal(node) {
                const token = sourceCode.getFirstToken(node),
                    nodeType = token.type;

                if (nodeType === "RegularExpression") {
                    const beforeToken = sourceCode.getTokenBefore(node);
                    const afterToken = sourceCode.getTokenAfter(node);
                    const ancestors = context.getAncestors();
                    const grandparent = ancestors[ancestors.length - 1];

                    if (grandparent.type === "MemberExpression" && grandparent.object === node &&
                        !(beforeToken && beforeToken.value === "(" && afterToken && afterToken.value === ")")) {
                        context.report({
                            node,
                            messageId: "requireParens",
                            fix: fixer => fixer.replaceText(node, `(${sourceCode.getText(node)})`)
                        });
                    }
                }
            }
        };

    }
};

Version data entries

43 entries across 43 versions & 1 rubygems

Version Path
govuk_publishing_components-18.0.0 node_modules/standard/node_modules/eslint/lib/rules/wrap-regex.js
govuk_publishing_components-17.21.0 node_modules/standard/node_modules/eslint/lib/rules/wrap-regex.js
govuk_publishing_components-17.20.0 node_modules/standard/node_modules/eslint/lib/rules/wrap-regex.js
govuk_publishing_components-17.19.1 node_modules/standard/node_modules/eslint/lib/rules/wrap-regex.js
govuk_publishing_components-17.19.0 node_modules/standard/node_modules/eslint/lib/rules/wrap-regex.js
govuk_publishing_components-17.18.0 node_modules/standard/node_modules/eslint/lib/rules/wrap-regex.js
govuk_publishing_components-17.17.0 node_modules/standard/node_modules/eslint/lib/rules/wrap-regex.js
govuk_publishing_components-17.16.0 node_modules/standard/node_modules/eslint/lib/rules/wrap-regex.js
govuk_publishing_components-17.15.0 node_modules/standard/node_modules/eslint/lib/rules/wrap-regex.js
govuk_publishing_components-17.14.0 node_modules/standard/node_modules/eslint/lib/rules/wrap-regex.js
govuk_publishing_components-17.13.0 node_modules/standard/node_modules/eslint/lib/rules/wrap-regex.js
govuk_publishing_components-17.12.2 node_modules/standard/node_modules/eslint/lib/rules/wrap-regex.js
govuk_publishing_components-17.12.1 node_modules/standard/node_modules/eslint/lib/rules/wrap-regex.js
govuk_publishing_components-17.12.0 node_modules/standard/node_modules/eslint/lib/rules/wrap-regex.js
govuk_publishing_components-17.11.0 node_modules/standard/node_modules/eslint/lib/rules/wrap-regex.js
govuk_publishing_components-17.10.0 node_modules/standard/node_modules/eslint/lib/rules/wrap-regex.js
govuk_publishing_components-17.9.0 node_modules/standard/node_modules/eslint/lib/rules/wrap-regex.js
govuk_publishing_components-17.8.0 node_modules/standard/node_modules/eslint/lib/rules/wrap-regex.js
govuk_publishing_components-17.7.0 node_modules/standard/node_modules/eslint/lib/rules/wrap-regex.js
govuk_publishing_components-17.6.1 node_modules/standard/node_modules/eslint/lib/rules/wrap-regex.js