Website Structure

Frontend-Learner/node_modules/eslint-plugin-regexp/dist/rules/no-octal.js

@@ -0,0 +1,60 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+const utils_1 = require("../utils");
+const regex_syntax_1 = require("../utils/regex-syntax");
+exports.default = (0, utils_1.createRule)("no-octal", {
+    meta: {
+        docs: {
+            description: "disallow octal escape sequence",
+            category: "Best Practices",
+            recommended: false,
+        },
+        schema: [],
+        messages: {
+            unexpected: "Unexpected octal escape sequence '{{expr}}'.",
+            replaceHex: "Replace the octal escape sequence with a hexadecimal escape sequence.",
+        },
+        type: "suggestion",
+        hasSuggestions: true,
+    },
+    create(context) {
+        function createVisitor({ node, fixReplaceNode, getRegexpLocation, }) {
+            return {
+                onCharacterEnter(cNode) {
+                    if (cNode.raw === "\\0") {
+                        return;
+                    }
+                    if (!(0, regex_syntax_1.isOctalEscape)(cNode.raw)) {
+                        return;
+                    }
+                    const report = cNode.raw.startsWith("\\0") ||
+                        !(cNode.parent.type === "CharacterClass" ||
+                            cNode.parent.type === "CharacterClassRange");
+                    if (report) {
+                        context.report({
+                            node,
+                            loc: getRegexpLocation(cNode),
+                            messageId: "unexpected",
+                            data: {
+                                expr: cNode.raw,
+                            },
+                            suggest: [
+                                {
+                                    messageId: "replaceHex",
+                                    fix: fixReplaceNode(cNode, () => {
+                                        return `\\x${cNode.value
+                                            .toString(16)
+                                            .padStart(2, "0")}`;
+                                    }),
+                                },
+                            ],
+                        });
+                    }
+                },
+            };
+        }
+        return (0, utils_1.defineRegexpVisitor)(context, {
+            createVisitor,
+        });
+    },
+});