eslint-plugin-no-multiple-returns/dist/index.cjs.js

An ESLint plugin to enforce a single `return` statement per function, encouraging clearer and more maintainable code.

"use strict";function l(t){return t.callee.type==="Identifier"&&t.callee.name==="useEffect"}function b(t){return t.type==="ArrowFunctionExpression"&&t.body.type!=="BlockStatement"?p(t.body):t.body&&t.body.type==="BlockStatement"?f(t.body):!1}function p(t){return t.type==="CallExpression"&&t.callee.type==="MemberExpression"&&t.callee.object.type==="Identifier"&&t.callee.object.name==="React"&&t.callee.property.type==="Identifier"&&t.callee.property.name==="createElement"}function f(t){for(const s of t.body)if(s.type==="ReturnStatement"&&s.argument&&p(s.argument))return!0;return!1}function c(t){let s=0;const r=new Set,i=[t];for(;i.length>0;){const a=i.pop();if(!a||r.has(a))continue;if(r.add(a),a.type==="ReturnStatement"){s+=1;continue}const e=[];switch(a.type){case"BlockStatement":e.push("body");break;case"IfStatement":e.push("test","consequent","alternate");break;case"WhileStatement":case"DoWhileStatement":e.push("test","body");break;case"ForStatement":e.push("init","test","update","body");break;case"ForInStatement":case"ForOfStatement":e.push("left","right","body");break;case"SwitchStatement":e.push("discriminant","cases");break;case"SwitchCase":e.push("test","consequent");break;case"TryStatement":e.push("block","handler","finalizer");break;case"CatchClause":e.push("param","body");break;case"ExpressionStatement":e.push("expression");break;case"ConditionalExpression":e.push("test","consequent","alternate");break;case"LogicalExpression":case"BinaryExpression":e.push("left","right");break;case"UnaryExpression":case"UpdateExpression":e.push("argument");break;case"CallExpression":case"NewExpression":a.type==="CallExpression"&&l(a)?e.push("callee"):e.push("callee","arguments");break;case"MemberExpression":e.push("object","property");break;case"ArrayExpression":e.push("elements");break;case"ObjectExpression":e.push("properties");break;case"Property":e.push("key","value");break;case"FunctionExpression":case"ArrowFunctionExpression":b(a)?e.push("params"):e.push("params","body");break;case"VariableDeclaration":e.push("declarations");break;case"VariableDeclarator":e.push("id","init");break;case"AssignmentExpression":e.push("left","right");break;case"SequenceExpression":e.push("expressions");break}for(const u of e){const n=a[u];if(Array.isArray(n))for(const o of n)o&&typeof o=="object"&&o.type&&i.push(o);else n&&typeof n=="object"&&n.type&&i.push(n)}}return s}const m={meta:{type:"suggestion",docs:{description:"disallow multiple return statements in a function",recommended:!1},schema:[]},create(t){return{FunctionDeclaration(s){const r=c(s.body);r>1&&t.report({node:s,message:`Function '${s.id&&s.id.name||"<anonymous>"}' has ${r} return statements.`})},FunctionExpression(s){const r=c(s.body);r>1&&t.report({node:s,message:`Function expression has ${r} return statements.`})},ArrowFunctionExpression(s){if(s.body.type==="BlockStatement"){const r=c(s.body);r>1&&t.report({node:s,message:`Arrow function has ${r} return statements.`})}}}}},h={rules:{"no-multiple-returns":m}};module.exports=h;
//# sourceMappingURL=index.cjs.js.map