public async Task Export_Default_Named()
{
var fooContent =
@"import * as bar from './bar';";
var barContent =
@"export default function myFunc() {}";
var fileProvider = new MemoryFileProvider();
fileProvider.CreateFile("/bar.js", barContent);
var fooFile = new ModuleFile(fileProvider, null)
{
Content = fooContent
};
var moduleBundler = new ModuleBundler();
await moduleBundler.BundleCoreAsync(new[] { fooFile }, CancellationToken.None);
var barLines = GetNonEmptyLines(moduleBundler.Modules.Single(kvp => kvp.Key.FilePath == "/bar.js").Value.Content);
Assert.Equal(new[]
{
"'use strict';",
"__es$require.d(__es$exports, \"default\", function() { return myFunc; });",
"function myFunc() {}",
}, barLines);
}
public async Task Issue11_NRE_When_Variable_Has_No_Initializer()
{
var fooContent =
@"
var i, length;
i = 1;
";
var fileProvider = new MemoryFileProvider();
var fooFile = new ModuleFile(fileProvider, "/foo.js")
{
Content = fooContent
};
var moduleBundler = new ModuleBundler();
await moduleBundler.BundleCoreAsync(new[] { fooFile }, CancellationToken.None);
var fooLines = GetNonEmptyLines(moduleBundler.Modules.Single(kvp => kvp.Key.FilePath == "/foo.js").Value.Content);
Assert.Equal(new[]
{
"'use strict';",
"var i, length;",
"i = 1;",
}, fooLines);
}
public async Task Feature_AsyncAwait_And_DynamicImport()
{
var fooContent =
@"import * as bar from './bar';
(async () => await bar.myAsyncFunc3())();
";
var barContent =
@"
export const myAsyncLambda = async () => await import('x');
export const myAsyncFunc1 = async function() { return await myAsyncLambda(); }
export async function myAsyncFunc2() { return await myAsyncFunc1(); }
async function myAsyncFunc3() { return await myAsyncFunc2(); }
export { myAsyncFunc3 }
";
var fileProvider = new MemoryFileProvider();
fileProvider.CreateFile("/bar.js", barContent);
var fooFile = new ModuleFile(fileProvider, "/foo.js")
{
Content = fooContent
};
var moduleBundler = new ModuleBundler();
await moduleBundler.BundleCoreAsync(new[] { fooFile }, CancellationToken.None);
var fooLines = GetNonEmptyLines(moduleBundler.Modules.Single(kvp => kvp.Key.FilePath == "/foo.js").Value.Content);
Assert.Equal(new[]
{
"'use strict';",
"var __es$module_0 = __es$require(\"/bar.js\");",
"(async () => await __es$module_0.myAsyncFunc3())();",
}, fooLines);
var barLines = GetNonEmptyLines(moduleBundler.Modules.Single(kvp => kvp.Key.FilePath == "/bar.js").Value.Content);
Assert.Equal(new[]
{
"'use strict';",
"__es$require.d(__es$exports, \"myAsyncLambda\", function() { return myAsyncLambda; });",
"__es$require.d(__es$exports, \"myAsyncFunc1\", function() { return myAsyncFunc1; });",
"__es$require.d(__es$exports, \"myAsyncFunc2\", function() { return myAsyncFunc2; });",
"__es$require.d(__es$exports, \"myAsyncFunc3\", function() { return myAsyncFunc3; });",
"const myAsyncLambda = async () => await import('x');",
"const myAsyncFunc1 = async function() { return await myAsyncLambda(); }",
"async function myAsyncFunc2() { return await myAsyncFunc1(); }",
"async function myAsyncFunc3() { return await myAsyncFunc2(); }",
}, barLines);
}
public async Task Reexport_Everything()
{
var fooContent =
@"import * as bar from './bar';";
var barContent =
@"export * from './baz'";
var bazContent =
@"export var [myVar1, { a: myVar2, b: { c: myVar3, ...rest1} }, ...rest2] = [1, { a: 2, b: { c: 3.14 } }];";
var fileProvider = new MemoryFileProvider();
fileProvider.CreateFile("/bar.js", barContent);
fileProvider.CreateFile("/baz.js", bazContent);
var fooFile = new ModuleFile(fileProvider, null)
{
Content = fooContent
};
var moduleBundler = new ModuleBundler();
await moduleBundler.BundleCoreAsync(new[] { fooFile }, CancellationToken.None);
var barLines = GetNonEmptyLines(moduleBundler.Modules.Single(kvp => kvp.Key.FilePath == "/bar.js").Value.Content);
Assert.Equal(new[]
{
"'use strict';",
"var __es$module_0 = __es$require(\"/baz.js\");",
"__es$require.d(__es$exports, \"myVar1\", function() { return __es$module_0.myVar1; });",
"__es$require.d(__es$exports, \"myVar2\", function() { return __es$module_0.myVar2; });",
"__es$require.d(__es$exports, \"myVar3\", function() { return __es$module_0.myVar3; });",
"__es$require.d(__es$exports, \"rest1\", function() { return __es$module_0.rest1; });",
"__es$require.d(__es$exports, \"rest2\", function() { return __es$module_0.rest2; });",
}, barLines);
var bazLines = GetNonEmptyLines(moduleBundler.Modules.Single(kvp => kvp.Key.FilePath == "/baz.js").Value.Content);
Assert.Equal(new[]
{
"'use strict';",
"__es$require.d(__es$exports, \"myVar1\", function() { return myVar1; });",
"__es$require.d(__es$exports, \"myVar2\", function() { return myVar2; });",
"__es$require.d(__es$exports, \"myVar3\", function() { return myVar3; });",
"__es$require.d(__es$exports, \"rest1\", function() { return rest1; });",
"__es$require.d(__es$exports, \"rest2\", function() { return rest2; });",
"var [myVar1, { a: myVar2, b: { c: myVar3, ...rest1} }, ...rest2] = [1, { a: 2, b: { c: 3.14 } }];",
}, bazLines);
}
public async Task Reexport_Clause()
{
var fooContent =
@"import * as bar from './bar';";
var barContent =
@"export { default, default as defaultAlias, rest, rest as restAlias } from './baz'";
var bazContent =
@"var [myVar1, {a: myVar2, b: [myVar3, ...rest]}] = [1, {a: 2, b: [3.14]}];
export { myVar1 as default, rest };";
var fileProvider = new MemoryFileProvider();
fileProvider.CreateFile("/bar.js", barContent);
fileProvider.CreateFile("/baz.js", bazContent);
var fooFile = new ModuleFile(fileProvider, null)
{
Content = fooContent
};
var moduleBundler = new ModuleBundler();
await moduleBundler.BundleCoreAsync(new[] { fooFile }, CancellationToken.None);
var barLines = GetNonEmptyLines(moduleBundler.Modules.Single(kvp => kvp.Key.FilePath == "/bar.js").Value.Content);
Assert.Equal(new[]
{
"'use strict';",
"var __es$module_0 = __es$require(\"/baz.js\");",
"__es$require.d(__es$exports, \"default\", function() { return __es$module_0.default; });",
"__es$require.d(__es$exports, \"defaultAlias\", function() { return __es$module_0.default; });",
"__es$require.d(__es$exports, \"rest\", function() { return __es$module_0.rest; });",
"__es$require.d(__es$exports, \"restAlias\", function() { return __es$module_0.rest; });",
}, barLines);
var bazLines = GetNonEmptyLines(moduleBundler.Modules.Single(kvp => kvp.Key.FilePath == "/baz.js").Value.Content);
Assert.Equal(new[]
{
"'use strict';",
"__es$require.d(__es$exports, \"default\", function() { return myVar1; });",
"__es$require.d(__es$exports, \"rest\", function() { return rest; });",
"var [myVar1, {a: myVar2, b: [myVar3, ...rest]}] = [1, {a: 2, b: [3.14]}];",
}, bazLines);
}
public async Task Export_Named_Clause()
{
var fooContent =
@"import * as bar from './bar';";
var barContent =
@"var myVar1 = '1';
let myVar2 = 2;
const MY_CONST = 3.14;
function myFunc() { return myVar1; }
function* myGeneratorFunc() { yield myVar2; }
class MyClass { method() { return myFunc(); } }
export { myVar1, myVar2 as var2, MY_CONST, myFunc, myGeneratorFunc, MyClass as default }";
var fileProvider = new MemoryFileProvider();
fileProvider.CreateFile("/bar.js", barContent);
var fooFile = new ModuleFile(fileProvider, null)
{
Content = fooContent
};
var moduleBundler = new ModuleBundler();
await moduleBundler.BundleCoreAsync(new[] { fooFile }, CancellationToken.None);
var barLines = GetNonEmptyLines(moduleBundler.Modules.Single(kvp => kvp.Key.FilePath == "/bar.js").Value.Content);
Assert.Equal(new[]
{
"'use strict';",
"__es$require.d(__es$exports, \"myVar1\", function() { return myVar1; });",
"__es$require.d(__es$exports, \"var2\", function() { return myVar2; });",
"__es$require.d(__es$exports, \"MY_CONST\", function() { return MY_CONST; });",
"__es$require.d(__es$exports, \"myFunc\", function() { return myFunc; });",
"__es$require.d(__es$exports, \"myGeneratorFunc\", function() { return myGeneratorFunc; });",
"__es$require.d(__es$exports, \"default\", function() { return MyClass; });",
"var myVar1 = '1';",
"let myVar2 = 2;",
"const MY_CONST = 3.14;",
"function myFunc() { return myVar1; }",
"function* myGeneratorFunc() { yield myVar2; }",
"class MyClass { method() { return myFunc(); } }",
}, barLines);
}
public async Task Import_CircularReference()
{
var fooContent =
@"export var fooVar = 1;
import { barVar } from './bar';
console.log({fooVar, barVar})";
var barContent =
@"export var barVar = 2;
import { fooVar } from './foo';
console.log({fooVar, barVar})";
var fileProvider = new MemoryFileProvider();
fileProvider.CreateFile("/foo.js", fooContent);
fileProvider.CreateFile("/bar.js", barContent);
var fooFile = new ModuleFile(fileProvider, "/foo.js");
var moduleBundler = new ModuleBundler();
await moduleBundler.BundleCoreAsync(new[] { fooFile }, CancellationToken.None);
var fooLines = GetNonEmptyLines(moduleBundler.Modules.Single(kvp => kvp.Key.FilePath == "/foo.js").Value.Content);
Assert.Equal(new[]
{
"'use strict';",
"var __es$module_0 = __es$require(\"/bar.js\");",
"__es$require.d(__es$exports, \"fooVar\", function() { return fooVar; });",
"var fooVar = 1;",
"console.log({fooVar, barVar: __es$module_0.barVar})",
}, fooLines);
var barLines = GetNonEmptyLines(moduleBundler.Modules.Single(kvp => kvp.Key.FilePath == "/bar.js").Value.Content);
Assert.Equal(new[]
{
"'use strict';",
"var __es$module_0 = __es$require(\"/foo.js\");",
"__es$require.d(__es$exports, \"barVar\", function() { return barVar; });",
"var barVar = 2;",
"console.log({fooVar: __es$module_0.fooVar, barVar})",
}, barLines);
}
public async Task Import_Namespace()
{
var fooContent =
@"import defaultExport, * as bar from './bar';
console.log(defaultExport);
var myVar1 = bar.myVar1;
console.log(myVar1 + bar.myVar2);
";
var barContent =
@"export var myVar1 = '1';
export let myVar2 = 2;
export default 3.14;";
var fileProvider = new MemoryFileProvider();
fileProvider.CreateFile("/bar.js", barContent);
var fooFile = new ModuleFile(fileProvider, null)
{
Content = fooContent
};
var moduleBundler = new ModuleBundler();
await moduleBundler.BundleCoreAsync(new[] { fooFile }, CancellationToken.None);
var fooLines = GetNonEmptyLines(moduleBundler.Modules.Single(kvp => kvp.Key.FilePath == "<root0>").Value.Content);
Assert.Equal(new[]
{
"'use strict';",
"var __es$module_0 = __es$require(\"/bar.js\");",
"console.log(__es$module_0.default);",
"var myVar1 = __es$module_0.myVar1;",
"console.log(myVar1 + __es$module_0.myVar2);",
}, fooLines);
}
public async Task Import_Multiple_Imports()
{
var foo1Content =
@"import { myVar1 as var1, myVar2 as var2 } from './bar';
import { default as bazFunc } from './baz';
console.log(bazFunc(var1, var2));";
var foo2Content =
@"import * as bar from './bar';
import bazFunc from './baz';
class MyClass
{
myMethod(bar) {
console.log(bazFunc(bar.myVar1, bar.myVar2));
}
}
new MyClass().myMethod(bar);
";
var barContent =
@"export var myVar1 = '1';
export let myVar2 = 2;
export default 3.14;";
var bazContent =
@"export default function MyFunc(a, b) { return a + b; }";
var fileProvider = new MemoryFileProvider();
fileProvider.CreateFile("/bar.js", barContent);
fileProvider.CreateFile("/baz.js", bazContent);
var foo1File = new ModuleFile(fileProvider, null)
{
Content = foo1Content
};
var foo2File = new ModuleFile(fileProvider, null)
{
Content = foo2Content
};
var moduleBundler = new ModuleBundler();
await moduleBundler.BundleCoreAsync(new[] { foo1File, foo2File }, CancellationToken.None);
var foo1Lines = GetNonEmptyLines(moduleBundler.Modules.Single(kvp => kvp.Key.FilePath == "<root0>").Value.Content);
Assert.Equal(new[]
{
"'use strict';",
"var __es$module_0 = __es$require(\"/bar.js\");",
"var __es$module_1 = __es$require(\"/baz.js\");",
"console.log(__es$module_1.default(__es$module_0.myVar1, __es$module_0.myVar2));",
}, foo1Lines);
var foo2Lines = GetNonEmptyLines(moduleBundler.Modules.Single(kvp => kvp.Key.FilePath == "<root1>").Value.Content);
Assert.Equal(new[]
{
"'use strict';",
"var __es$module_0 = __es$require(\"/bar.js\");",
"var __es$module_1 = __es$require(\"/baz.js\");",
"class MyClass",
"{",
" myMethod(bar) {",
" console.log(__es$module_1.default(bar.myVar1, bar.myVar2));",
" }",
"}",
"new MyClass().myMethod(__es$module_0);",
}, foo2Lines);
}
public async Task Import_SpecialPropertiesAndMethods()
{
var fooContent =
@"import { someKey } from './bar';
let o = { someKey, [someKey]: 0 };
o = { someKey() {}, [someKey]() {} };
o = { *someKey() {}, *[someKey]() {} };
o = { get someKey() {}, get [someKey]() {} };
o = { set someKey(_) {}, set [someKey](_) {} };
class C1 {
[someKey]() {}
get someKey() {}
set someKey(_) {}
get [someKey]() {}
set [someKey](_) {}
}
class C2 {
*someKey() {}
*[someKey]() {}
}
class C3 {
static someKey() {}
static [someKey]() {}
}";
var barContent =
@"export const propKey = 'propKey';";
var fileProvider = new MemoryFileProvider();
fileProvider.CreateFile("/bar.js", barContent);
var fooFile = new ModuleFile(fileProvider, null)
{
Content = fooContent
};
var moduleBundler = new ModuleBundler();
await moduleBundler.BundleCoreAsync(new[] { fooFile }, CancellationToken.None);
var fooLines = GetNonEmptyLines(moduleBundler.Modules.Single(kvp => kvp.Key.FilePath == "<root0>").Value.Content);
Assert.Equal(new[]
{
"'use strict';",
"var __es$module_0 = __es$require(\"/bar.js\");",
"let o = { someKey: __es$module_0.someKey, [__es$module_0.someKey]: 0 };",
"o = { someKey() {}, [__es$module_0.someKey]() {} };",
"o = { *someKey() {}, *[__es$module_0.someKey]() {} };",
"o = { get someKey() {}, get [__es$module_0.someKey]() {} };",
"o = { set someKey(_) {}, set [__es$module_0.someKey](_) {} };",
"class C1 { ",
" [__es$module_0.someKey]() {}",
" get someKey() {}",
" set someKey(_) {}",
" get [__es$module_0.someKey]() {}",
" set [__es$module_0.someKey](_) {}",
"}",
"class C2 {",
" *someKey() {}",
" *[__es$module_0.someKey]() {} ",
"}",
"class C3 {",
" static someKey() {}",
" static [__es$module_0.someKey]() {} ",
"}",
}, fooLines);
}