parser

i := []byte(`fix: description
a blank line is mandatory to start the body part of the commit message!`)
m, e := NewMachine(WithBestEffort()).Parse(i)
output(m)
fmt.Println(e)

Output:
(*conventionalcommits.ConventionalCommit)({
 Type: (string) (len=3) "fix",
 Description: (string) (len=11) "description",
 Scope: (*string)(<nil>),
 Exclamation: (bool) false,
 Body: (*string)(<nil>),
 Footers: (map[string][]string) <nil>,
 TypeConfig: (conventionalcommits.TypeConfig) 0
})
missing a blank line: col=17

i := []byte(`KVM(nVMX)!: Truncate base/index GPR value on address calc in !64-bit`)
m, _ := NewMachine(WithTypes(conventionalcommits.TypesFreeForm)).Parse(i)
output(m)

Output:
(*conventionalcommits.ConventionalCommit)({
 Type: (string) (len=3) "kvm",
 Description: (string) (len=56) "Truncate base/index GPR value on address calc in !64-bit",
 Scope: (*string)((len=4) "nvmx"),
 Exclamation: (bool) true,
 Body: (*string)(<nil>),
 Footers: (map[string][]string) <nil>,
 TypeConfig: (conventionalcommits.TypeConfig) 3
})

fixme > flaky because of the footer map keys.

i := []byte(`fix: correct minor typos in code

see the issue [0] for details
on typos fixed.

[0]: https://issue

Reviewed-by: Z
Refs #133`)
opts := []conventionalcommits.MachineOption{
	WithTypes(conventionalcommits.TypesConventional),
}
m, _ := NewMachine(opts...).Parse(i)
output(m)

Output:
(*conventionalcommits.ConventionalCommit)({
 Type: (string) (len=3) "fix",
 Description: (string) (len=27) "correct minor typos in code",
 Scope: (*string)(<nil>),
 Exclamation: (bool) false,
 Body: (*string)((len=65) "see the issue [0] for details\non typos fixed.\n\n[0]: https://issue"),
 Footers: (map[string][]string) (len=2) {
  (string) (len=4) "refs": ([]string) (len=1) {
   (string) (len=3) "133"
  },
  (string) (len=11) "reviewed-by": ([]string) (len=1) {
   (string) (len=1) "Z"
  }
 },
 TypeConfig: (conventionalcommits.TypeConfig) 1
})

i := []byte(`fix!: something`)
m, _ := NewMachine().Parse(i)
output(m)
fmt.Println("there are breaking changes?", m.IsBreakingChange())

Output:
(*conventionalcommits.ConventionalCommit)({
 Type: (string) (len=3) "fix",
 Description: (string) (len=9) "something",
 Scope: (*string)(<nil>),
 Exclamation: (bool) true,
 Body: (*string)(<nil>),
 Footers: (map[string][]string) <nil>,
 TypeConfig: (conventionalcommits.TypeConfig) 0
})
there are breaking changes? true

i := []byte(`fix: x

see the issue for details

but first a newline
and then two blank lines:

typos fixed.`)
m, _ := NewMachine().Parse(i)
output(m)

Output:
(*conventionalcommits.ConventionalCommit)({
 Type: (string) (len=3) "fix",
 Description: (string) (len=1) "x",
 Scope: (*string)(<nil>),
 Exclamation: (bool) false,
 Body: (*string)((len=86) "see the issue for details\n\nbut first a newline\nand then two blank lines:\n\ntypos fixed."),
 Footers: (map[string][]string) <nil>,
 TypeConfig: (conventionalcommits.TypeConfig) 0
})