v2.2.5

• fix: change callback arg to optional #42
• update dependency
  • Bump yargs-parser from 18.1.0 to 18.1.3 #44
  • Bump lodash from 4.17.15 to 4.17.19 #43
  • Bump acorn from 6.3.0 to 6.4.1 #41

v2.0.0

• Replace to TypeScript.
• Change method parameters,
• Add adjust option.
• Add Travis CI and pre-commit lint.
• Add changelog file.

v1.2.4

Update package version