private init(): void {
// Enable gracefulFs
gracefulFs.gracefulify(fs);
// Massage configuration file URIs
this.reviveUris();
// Setup perf
importEntries(this.configuration.perfEntries);
// Browser config
setZoomFactor(webFrame.getZoomFactor()); // Ensure others can listen to zoom level changes
setZoomLevel(webFrame.getZoomLevel(), true /* isTrusted */); // Can be trusted because we are not setting it ourselves (https://github.com/Microsoft/vscode/issues/26151)
setFullscreen(!!this.configuration.fullscreen);
// Keyboard support
KeyboardMapperFactory.INSTANCE._onKeyboardLayoutChanged();
}
export const runCLI = async (
argv: Config.Argv,
projects: Array<Config.Path>,
): Promise<{
results: AggregatedResult;
globalConfig: Config.GlobalConfig;
}> => {
const realFs = require('fs');
const fs = require('graceful-fs');
fs.gracefulify(realFs);
let results: AggregatedResult | undefined;
// If we output a JSON object, we can't write anything to stdout, since
// it'll break the JSON structure and it won't be valid.
const outputStream =
argv.json || argv.useStderr ? process.stderr : process.stdout;
const {globalConfig, configs, hasDeprecationWarnings} = readConfigs(
argv,
projects,
);
if (argv.debug) {
logDebugMessages(globalConfig, configs, outputStream);
}
if (argv.showConfig) {
logDebugMessages(globalConfig, configs, process.stdout);
exit(0);
}
if (argv.clearCache) {
configs.forEach(config => {
rimraf.sync(config.cacheDirectory);
process.stdout.write(`Cleared ${config.cacheDirectory}\n`);
});
exit(0);
}
await _run(
globalConfig,
configs,
hasDeprecationWarnings,
outputStream,
r => (results = r),
);
if (argv.watch || argv.watchAll) {
// If in watch mode, return the promise that will never resolve.
// If the watch mode is interrupted, watch should handle the process
// shutdown.
return new Promise(() => {});
}
if (!results) {
throw new Error(
'AggregatedResult must be present after test run is complete',
);
}
const {openHandles} = results;
if (openHandles && openHandles.length) {
const formatted = formatHandleErrors(openHandles, configs[0]);
const openHandlesString = pluralize('open handle', formatted.length, 's');
const message =
chalk.red(
`\nJest has detected the following ${openHandlesString} potentially keeping Jest from exiting:\n\n`,
) + formatted.join('\n\n');
console.error(message);
}
return {globalConfig, results};
};