change `import * as fastdiff from "fast-diff"` to `import fastdiff from "fast-diff"`
change `import * as fastdiff from "fast-diff"` to `import fastdiff from "fast-diff"`

vivliostyle/vivliostyle.js,vivliostyle/vivliostyle.js,vivliostyle/vivliostyle.js,vivliostyle/vivliostyle.js