Website Structure

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

@@ -0,0 +1,59 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+const utils_1 = require("../utils");
+exports.default = (0, utils_1.createRule)("no-useless-range", {
+    meta: {
+        docs: {
+            description: "disallow unnecessary character ranges",
+            category: "Best Practices",
+            recommended: true,
+        },
+        fixable: "code",
+        schema: [],
+        messages: {
+            unexpected: "Unexpected unnecessary character ranges. The hyphen is unnecessary.",
+        },
+        type: "suggestion",
+    },
+    create(context) {
+        function createVisitor({ node, fixReplaceNode, getRegexpLocation, }) {
+            return {
+                onCharacterClassRangeEnter(ccrNode) {
+                    if (ccrNode.min.value !== ccrNode.max.value &&
+                        ccrNode.min.value + 1 !== ccrNode.max.value) {
+                        return;
+                    }
+                    context.report({
+                        node,
+                        loc: getRegexpLocation(ccrNode),
+                        messageId: "unexpected",
+                        fix: fixReplaceNode(ccrNode, () => {
+                            const parent = ccrNode.parent;
+                            const rawBefore = parent.raw.slice(0, ccrNode.start - parent.start);
+                            const rawAfter = parent.raw.slice(ccrNode.end - parent.start);
+                            if (/\\(?:x[\dA-Fa-f]?|u[\dA-Fa-f]{0,3})?$/u.test(rawBefore)) {
+                                return null;
+                            }
+                            let text = ccrNode.min.raw;
+                            if (ccrNode.min.value < ccrNode.max.value) {
+                                if (ccrNode.max.raw === "-") {
+                                    text += `\\-`;
+                                }
+                                else {
+                                    text += `${ccrNode.max.raw}`;
+                                }
+                            }
+                            if (rawAfter.startsWith("-")) {
+                                text += "\\";
+                            }
+                            return text;
+                        }),
+                    });
+                },
+            };
+        }
+        return (0, utils_1.defineRegexpVisitor)(context, {
+            createVisitor,
+        });
+    },
+});