const CoverageProviderMap = {
v8: "@vitest/coverage-v8",
istanbul: "@vitest/coverage-istanbul"
};
async function resolveCoverageProviderModule(options, loader) {
if (!options?.enabled || !options.provider) {
return null;
}
const provider = options.provider;
if (provider === "v8" || provider === "istanbul") {
let builtInModule = CoverageProviderMap[provider];
if (provider === "v8" && loader.isBrowser) {
builtInModule += "/browser";
}
const { default: coverageModule } = await loader.executeId(builtInModule);
if (!coverageModule) {
throw new Error(
`Failed to load ${CoverageProviderMap[provider]}. Default export is missing.`
);
}
return coverageModule;
}
let customProviderModule;
try {
customProviderModule = await loader.executeId(options.customProviderModule);
} catch (error) {
throw new Error(
`Failed to load custom CoverageProviderModule from ${options.customProviderModule}`,
{ cause: error }
);
}
if (customProviderModule.default == null) {
throw new Error(
`Custom CoverageProviderModule loaded from ${options.customProviderModule} was not the default export`
);
}
return customProviderModule.default;
}
async function getCoverageProvider(options, loader) {
const coverageModule = await resolveCoverageProviderModule(options, loader);
if (coverageModule) {
return coverageModule.getProvider();
}
return null;
}
async function startCoverageInsideWorker(options, loader) {
const coverageModule = await resolveCoverageProviderModule(options, loader);
if (coverageModule) {
return coverageModule.startCoverage?.();
}
return null;
}
async function takeCoverageInsideWorker(options, loader) {
const coverageModule = await resolveCoverageProviderModule(options, loader);
if (coverageModule) {
return coverageModule.takeCoverage?.();
}
return null;
}
async function stopCoverageInsideWorker(options, loader) {
const coverageModule = await resolveCoverageProviderModule(options, loader);
if (coverageModule) {
return coverageModule.stopCoverage?.();
}
return null;
}
export { CoverageProviderMap as C, stopCoverageInsideWorker as a, getCoverageProvider as g, startCoverageInsideWorker as s, takeCoverageInsideWorker as t };
