Function versionableAssertion

ark/attest/assert/assertions.ts:50–80

(fn: AssertFn)

export const versionableAssertion =
	(fn: AssertFn): AssertFn =>
	(expected, actual, ctx) => {
		if (actual instanceof TypeAssertionMapping) {
			if (!ctx.typeRelationshipAssertionEntries) {
				throwInternalError(
					`Unexpected missing typeAssertionEntries when passed a TypeAssertionMapper`
				)
			}
			for (const [version, data] of ctx.typeRelationshipAssertionEntries) {
				let errorMessage = ""
				try {
					const mapped = actual.fn(data, ctx)
					if (mapped !== null) {
						fn(
							"expected" in mapped ? mapped.expected : expected,
							mapped.actual,
							ctx
						)
					}
				} catch (e) {
					errorMessage += `❌TypeScript@${version}:${e}\n`
				}
				if (errorMessage) {
					throwAssertionError({
						stack: ctx.assertionStack,
						message: errorMessage
					})
				}
			}
		} else fn(expected, actual, ctx)
	}

const unversionedAssertEquals: AssertFn = (expected, actual, ctx) => {
	if (expected === actual) return