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//// [typeGuardsInModule.ts]
// Note that type guards affect types of variables and parameters only and
// have no effect on members of objects such as properties.
// variables in global
var num: number;
var strOrNum: string | number;
var var1: string | number;
// Inside module
module m1 {
// global vars in function declaration
num = typeof var1 === "string" && var1.length; // string
// variables in module declaration
var var2: string | number;
if (typeof var2 === "string") {
num = var2.length; // string
}
else {
num = var2; // number
}
// exported variable in the module
export var var3: string | number;
if (typeof var3 === "string") {
strOrNum = var3; // string | number
}
else {
strOrNum = var3; // string | number
}
}
// local module
module m2 {
var var2: string | number;
export var var3: string | number;
module m3 {
// global vars in function declaration
num = typeof var1 === "string" && var1.length; // string
// local variables from outer module declaration
num = typeof var2 === "string" && var2.length; // string
// exported variable from outer the module
strOrNum = typeof var3 === "string" && var3; // string | number
// variables in module declaration
var var4: string | number;
if (typeof var4 === "string") {
num = var4.length; // string
}
else {
num = var4; // number
}
// exported variable in the module
export var var5: string | number;
if (typeof var5 === "string") {
strOrNum = var5; // string | number
}
else {
strOrNum = var5; // string | number
}
}
}
// Dotted module
module m3.m4 {
// global vars in function declaration
num = typeof var1 === "string" && var1.length; // string
// variables in module declaration
var var2: string | number;
if (typeof var2 === "string") {
num = var2.length; // string
}
else {
num = var2; // number
}
// exported variable in the module
export var var3: string | number;
if (typeof var3 === "string") {
strOrNum = var3; // string | number
}
else {
strOrNum = var3; // string | number
}
}
//// [typeGuardsInModule.js]
// Note that type guards affect types of variables and parameters only and
// have no effect on members of objects such as properties.
// variables in global
var num;
var strOrNum;
var var1;
// Inside module
var m1;
(function (m1) {
// global vars in function declaration
num = typeof var1 === "string" && var1.length; // string
// variables in module declaration
var var2;
if (typeof var2 === "string") {
num = var2.length; // string
}
else {
num = var2; // number
}
if (typeof m1.var3 === "string") {
strOrNum = m1.var3; // string | number
}
else {
strOrNum = m1.var3; // string | number
}
})(m1 || (m1 = {}));
// local module
var m2;
(function (m2) {
var var2;
var m3;
(function (m3) {
// global vars in function declaration
num = typeof var1 === "string" && var1.length; // string
// local variables from outer module declaration
num = typeof var2 === "string" && var2.length; // string
// exported variable from outer the module
strOrNum = typeof m2.var3 === "string" && m2.var3; // string | number
// variables in module declaration
var var4;
if (typeof var4 === "string") {
num = var4.length; // string
}
else {
num = var4; // number
}
if (typeof m3.var5 === "string") {
strOrNum = m3.var5; // string | number
}
else {
strOrNum = m3.var5; // string | number
}
})(m3 || (m3 = {}));
})(m2 || (m2 = {}));
// Dotted module
var m3;
(function (m3) {
var m4;
(function (m4) {
// global vars in function declaration
num = typeof var1 === "string" && var1.length; // string
// variables in module declaration
var var2;
if (typeof var2 === "string") {
num = var2.length; // string
}
else {
num = var2; // number
}
if (typeof m4.var3 === "string") {
strOrNum = m4.var3; // string | number
}
else {
strOrNum = m4.var3; // string | number
}
})(m4 = m3.m4 || (m3.m4 = {}));
})(m3 || (m3 = {}));
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