in jshint-server/src/server.ts [517:522]
private async lintContent(content: string, fsPath: string): Promise<JSHintError[]> {
let JSHINT: JSHINT = (await this.getLib()).JSHINT;
let options = this.options.getOptions(fsPath) || {};
JSHINT(content, options, options.globals || {});
return JSHINT.errors;
}