Method onRejected

src/rmarkdown/preview.ts:348–352

(filePath: string)

        };

        const onRejected = (filePath: string) => {
            if (this.previewStore.has(filePath)) {
                this.previewStore.delete(filePath);
            }
        };

        if (knitWorkingDir && fileName) {
            return await this.knitWithProgress(