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// @allowJs: true
// @Filename: controlFlowJavascript.js
// @out: out.js
let cond = true;
// CFA for 'let' and no initializer
function f1() {
let x;
if (cond) {
x = 1;
}
if (cond) {
x = "hello";
}
const y = x; // string | number | undefined
}
// CFA for 'let' and 'undefined' initializer
function f2() {
let x = undefined;
if (cond) {
x = 1;
}
if (cond) {
x = "hello";
}
const y = x; // string | number | undefined
}
// CFA for 'let' and 'null' initializer
function f3() {
let x = null;
if (cond) {
x = 1;
}
if (cond) {
x = "hello";
}
const y = x; // string | number | null
}
// CFA for 'var' with no initializer
function f5() {
var x;
if (cond) {
x = 1;
}
if (cond) {
x = "hello";
}
const y = x; // string | number | undefined
}
// CFA for 'var' with 'undefined' initializer
function f6() {
var x = undefined;
if (cond) {
x = 1;
}
if (cond) {
x = "hello";
}
const y = x; // string | number | undefined
}
// CFA for 'var' with 'null' initializer
function f7() {
var x = null;
if (cond) {
x = 1;
}
if (cond) {
x = "hello";
}
const y = x; // string | number | null
}
// No CFA for captured outer variables
function f9() {
let x;
if (cond) {
x = 1;
}
if (cond) {
x = "hello";
}
const y = x; // string | number | undefined
function f() {
const z = x; // any
}
}
// No CFA for captured outer variables
function f10() {
let x;
if (cond) {
x = 1;
}
if (cond) {
x = "hello";
}
const y = x; // string | number | undefined
const f = () => {
const z = x; // any
};
}
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