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assert-typescript-errors
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Automatically verify that certain test files fail to pass TypeScript type checks.
This package checks the output from TypeScript's compiler (with the --pretty
flag expected to be false) and ensures that it matches with the line numbers you
specify.
import { exec } from 'child_process';
import { assertTypeScriptErrors } from 'assert-typescript-errors';
/**
* Specify the lines that should have errors in your test files.
*/
const assertions = {
'test/type-test.ts': [
29, // Individual line numbers can be used
'57-58', // Ranges of line numbers can also be specified. Equivalent to 57, 58.
],
'test/type-test-two.ts': [31, 39, '45-51'],
};
exec('tsc --pretty false', (err, stdout) => {
assertTypeScriptErrors(stdout, assertions).catch(console.error);
});
echo '{ "type-test.ts": [29, "56-60"] }' > assertions.json
tsc --pretty false | assert-ts-errors assertions.json
FAQs
Assert that TypeScript finds an error in your test files.
The npm package assert-typescript-errors receives a total of 3 weekly downloads. As such, assert-typescript-errors popularity was classified as not popular.
We found that assert-typescript-errors demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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Streamline your login process and enhance security by enabling Single Sign-On (SSO) on the Socket platform, now available for all customers on the Enterprise plan, supporting 20+ identity providers.
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