TypeScript/tests/baselines/reference/functionDeclarationAsStatementInStrictMode.js at 3b6c85980f6ed6f750e9df23a28e3a8e382985b2 · microsoft/TypeScript · GitHub

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//// [tests/cases/compiler/functionDeclarationAsStatementInStrictMode.ts] ////

//// [functionDeclarationAsStatementInStrictMode.ts]
// Error cases - function declarations as direct children of statements in strict mode
if (true) function f1() {}
while (true) function f2() {}
do function f3() {} while (false);
for (;;) function f4() {}
for (let x in {}) function f5() {}
for (let x of []) function f6() {}
label: function f7() {}

// Valid cases - function declarations inside blocks
if (true) { function g1() {} }
while (true) { function g2() {} }
do { function g3() {} } while (false);
for (;;) { function g4() {} }
for (let x in {}) { function g5() {} }
for (let x of []) { function g6() {} }
label: { function g7() {} }

// Valid - top level
function topLevel() {}

// Valid - inside function body
function outer() {
    function inner() {}
}


//// [functionDeclarationAsStatementInStrictMode.js]
"use strict";
// Error cases - function declarations as direct children of statements in strict mode
if (true)
    function f1() { }
while (true)
    function f2() { }
do
    function f3() { }
while (false);
for (;;)
    function f4() { }
for (let x in {})
    function f5() { }
for (let x of [])
    function f6() { }
label: function f7() { }
// Valid cases - function declarations inside blocks
if (true) {
    function g1() { }
}
while (true) {
    function g2() { }
}
do {
    function g3() { }
} while (false);
for (;;) {
    function g4() { }
}
for (let x in {}) {
    function g5() { }
}
for (let x of []) {
    function g6() { }
}
label: {
    function g7() { }
}
// Valid - top level
function topLevel() { }
// Valid - inside function body
function outer() {
    function inner() { }
}