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- "use strict";
- const FixTracker = require("./utils/fix-tracker");
- const astUtils = require("./utils/ast-utils");
- module.exports = {
- meta: {
- type: "suggestion",
- docs: {
- description: "disallow unnecessary semicolons",
- category: "Possible Errors",
- recommended: true,
- url: "https://eslint.org/docs/rules/no-extra-semi"
- },
- fixable: "code",
- schema: [],
- messages: {
- unexpected: "Unnecessary semicolon."
- }
- },
- create(context) {
- const sourceCode = context.getSourceCode();
-
- function report(nodeOrToken) {
- context.report({
- node: nodeOrToken,
- messageId: "unexpected",
- fix(fixer) {
-
- return new FixTracker(fixer, context.getSourceCode())
- .retainSurroundingTokens(nodeOrToken)
- .remove(nodeOrToken);
- }
- });
- }
-
- function checkForPartOfClassBody(firstToken) {
- for (let token = firstToken;
- token.type === "Punctuator" && !astUtils.isClosingBraceToken(token);
- token = sourceCode.getTokenAfter(token)
- ) {
- if (astUtils.isSemicolonToken(token)) {
- report(token);
- }
- }
- }
- return {
-
- EmptyStatement(node) {
- const parent = node.parent,
- allowedParentTypes = [
- "ForStatement",
- "ForInStatement",
- "ForOfStatement",
- "WhileStatement",
- "DoWhileStatement",
- "IfStatement",
- "LabeledStatement",
- "WithStatement"
- ];
- if (allowedParentTypes.indexOf(parent.type) === -1) {
- report(node);
- }
- },
-
- ClassBody(node) {
- checkForPartOfClassBody(sourceCode.getFirstToken(node, 1));
- },
-
- MethodDefinition(node) {
- checkForPartOfClassBody(sourceCode.getTokenAfter(node));
- }
- };
- }
- };
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