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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { unitTest, assert } from "./test_util.ts";
// @ts-ignore TypeScript (as of 3.7) does not support indexing namespaces by symbol
const { setPrepareStackTrace } = Deno[Deno.symbols.internal];
interface CallSite {
getThis(): unknown;
getTypeName(): string | null;
getFunction(): Function | null;
getFunctionName(): string | null;
getMethodName(): string | null;
getFileName(): string | null;
getLineNumber(): number | null;
getColumnNumber(): number | null;
getEvalOrigin(): string | null;
isToplevel(): boolean | null;
isEval(): boolean;
isNative(): boolean;
isConstructor(): boolean;
isAsync(): boolean;
isPromiseAll(): boolean;
getPromiseIndex(): number | null;
}
function getMockCallSite(
fileName: string,
lineNumber: number | null,
columnNumber: number | null
): CallSite {
return {
getThis(): unknown {
return undefined;
},
getTypeName(): string {
return "";
},
getFunction(): Function {
return (): void => {};
},
getFunctionName(): string {
return "";
},
getMethodName(): string {
return "";
},
getFileName(): string {
return fileName;
},
getLineNumber(): number | null {
return lineNumber;
},
getColumnNumber(): number | null {
return columnNumber;
},
getEvalOrigin(): null {
return null;
},
isToplevel(): false {
return false;
},
isEval(): false {
return false;
},
isNative(): false {
return false;
},
isConstructor(): false {
return false;
},
isAsync(): false {
return false;
},
isPromiseAll(): false {
return false;
},
getPromiseIndex(): null {
return null;
},
};
}
unitTest(function prepareStackTrace(): void {
// eslint-disable-next-line @typescript-eslint/no-explicit-any
const MockError = {} as any;
setPrepareStackTrace(MockError);
assert(typeof MockError.prepareStackTrace === "function");
const prepareStackTrace: (
error: Error,
structuredStackTrace: CallSite[]
) => string = MockError.prepareStackTrace;
const result = prepareStackTrace(new Error("foo"), [
getMockCallSite("CLI_SNAPSHOT.js", 23, 0),
]);
assert(result.startsWith("Error: foo\n"));
assert(result.includes(".ts:"), "should remap to something in 'js/'");
});
unitTest(function applySourceMap(): void {
const result = Deno.applySourceMap({
fileName: "CLI_SNAPSHOT.js",
lineNumber: 23,
columnNumber: 0,
});
assert(result.fileName.endsWith(".ts"));
assert(result.lineNumber != null);
assert(result.columnNumber != null);
});
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