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module: add --experimental-enable-transformation for strip-types
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,85 @@ | ||
import { skip, spawnPromisified } from '../common/index.mjs'; | ||
import * as fixtures from '../common/fixtures.mjs'; | ||
import { match, strictEqual } from 'node:assert'; | ||
import { test } from 'node:test'; | ||
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if (!process.config.variables.node_use_amaro) skip('Requires Amaro'); | ||
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test('execute a TypeScript file with transformation enabled', async () => { | ||
const result = await spawnPromisified(process.execPath, [ | ||
'--experimental-enable-transformation', | ||
'--no-warnings', | ||
fixtures.path('typescript/ts/transformation/test-enum.ts'), | ||
]); | ||
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strictEqual(result.stderr, ''); | ||
match(result.stdout, /Hello, TypeScript!/); | ||
strictEqual(result.code, 0); | ||
}); | ||
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test('execute a TypeScript file with transformation enabled and sourcemaps', async () => { | ||
const result = await spawnPromisified(process.execPath, [ | ||
'--experimental-enable-transformation', | ||
'--enable-source-maps', | ||
'--no-warnings', | ||
fixtures.path('typescript/ts/transformation/test-enum.ts'), | ||
]); | ||
|
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strictEqual(result.stderr, ''); | ||
match(result.stdout, /Hello, TypeScript!/); | ||
strictEqual(result.code, 0); | ||
}); | ||
|
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test('reconstruct error of a TypeScript file with transformation enabled and sourcemaps', async () => { | ||
const result = await spawnPromisified(process.execPath, [ | ||
'--experimental-enable-transformation', | ||
'--enable-source-maps', | ||
'--no-warnings', | ||
fixtures.path('typescript/ts/transformation/test-enum-stacktrace.ts'), | ||
]); | ||
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match(result.stderr, /test-enum-stacktrace\.ts:4:7/); | ||
strictEqual(result.stdout, ''); | ||
strictEqual(result.code, 1); | ||
}); | ||
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test('reconstruct error of a complex TypeScript file with transformation enabled and sourcemaps', async () => { | ||
const result = await spawnPromisified(process.execPath, [ | ||
'--experimental-enable-transformation', | ||
'--enable-source-maps', | ||
'--no-warnings', | ||
fixtures.path('typescript/ts/transformation/test-complex-stacktrace.ts'), | ||
]); | ||
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match(result.stderr, /Calculation failed: Division by zero!/); | ||
match(result.stderr, /test-complex-stacktrace\.ts:64/); | ||
match(result.stderr, /test-complex-stacktrace\.ts:64:19/); | ||
strictEqual(result.stdout, ''); | ||
strictEqual(result.code, 1); | ||
}); | ||
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test('reconstruct error of a complex TypeScript file with transformation enabled without sourcemaps', async () => { | ||
const result = await spawnPromisified(process.execPath, [ | ||
'--experimental-enable-transformation', | ||
'--no-warnings', | ||
fixtures.path('typescript/ts/transformation/test-complex-stacktrace.ts'), | ||
]); | ||
// The stack trace is not reconstructed without sourcemaps. | ||
match(result.stderr, /Calculation failed: Division by zero!/); | ||
match(result.stderr, /test-complex-stacktrace\.ts:50/); | ||
match(result.stderr, /test-complex-stacktrace\.ts:50:19/); | ||
strictEqual(result.stdout, ''); | ||
strictEqual(result.code, 1); | ||
}); | ||
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// TODO (@marco-ippolito) this should fail | ||
test('elide unused imports', async () => { | ||
const result = await spawnPromisified(process.execPath, [ | ||
'--experimental-enable-transformation', | ||
'--no-warnings', | ||
fixtures.path('typescript/ts/transformation/test-unused-import.ts'), | ||
]); | ||
strictEqual(result.stderr, ''); | ||
strictEqual(result.stdout, ''); | ||
strictEqual(result.code, 0); | ||
}); |
67 changes: 67 additions & 0 deletions
67
test/fixtures/typescript/ts/transformation/test-complex-stacktrace.ts
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,67 @@ | ||
// Namespace | ||
namespace Mathematics { | ||
// Enum | ||
export enum Operation { | ||
Add, | ||
Subtract, | ||
Multiply, | ||
Divide | ||
} | ||
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// Interface | ||
export interface MathOperation { | ||
perform(a: number, b: number): number; | ||
} | ||
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// Generic function | ||
export function executeOperation<T extends MathOperation>(op: T, x: number, y: number): number { | ||
return op.perform(x, y); | ||
} | ||
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// Class implementing interface | ||
export class Calculator implements MathOperation { | ||
constructor(private op: Operation) { } | ||
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perform(a: number, b: number): number { | ||
switch (this.op) { | ||
case Operation.Add: return a + b; | ||
case Operation.Subtract: return a - b; | ||
case Operation.Multiply: return a * b; | ||
case Operation.Divide: | ||
if (b === 0) throw new Error("Division by zero!"); | ||
return a / b; | ||
default: | ||
throw new Error("Unknown operation"); | ||
} | ||
} | ||
} | ||
} | ||
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// Using the namespace | ||
const calc = new Mathematics.Calculator(Mathematics.Operation.Divide); | ||
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// Union type | ||
type Result = number | string; | ||
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// Function with rest parameters and arrow syntax | ||
const processResults = (...results: Result[]): string => { | ||
return results.map(r => r.toString()).join(", "); | ||
}; | ||
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// Async function with await | ||
async function performAsyncCalculation(a: number, b: number): Promise<number> { | ||
const result = await Promise.resolve(Mathematics.executeOperation(calc, a, b)); | ||
return result; | ||
} | ||
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// IIFE to create a block scope | ||
(async () => { | ||
try { | ||
const result = await performAsyncCalculation(10, 0); | ||
} catch (error) { | ||
if (error instanceof Error) { | ||
// This line will throw an error | ||
throw new Error("Calculation failed: " + error.message); | ||
} | ||
} | ||
})(); |
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