feat(rules): add the aggressive deadline option to nl and br

rules/br/deadline.go

@@ -11,12 +11,23 @@ import (
 	"github.com/pkg/errors"
 )
 
-func Deadline(s rules.Strategy) rules.Rule {
+// DeadlineOptions configures the Deadline rule.
+type DeadlineOptions struct {
+	// Aggressive makes the "dentro de"/"em" prefix optional, so "3 dias" matches too.
+	Aggressive bool
+}
+
+func Deadline(s rules.Strategy, opts ...DeadlineOptions) rules.Rule {
 	overwrite := s == rules.Override
 
+	prefix := "(dentro\\sde|em)"
+	if len(opts) > 0 && opts[0].Aggressive {
+		prefix += "?"
+	}
+
 	return &rules.F{
 		RegExp: regexp.MustCompile(
-			"(?i)(?:\\W|^)(dentro\\sde|em)\\s*" +
+			"(?i)(?:\\W|^)" + prefix + "\\s*" +
 				"(?:(" + INTEGER_WORDS_PATTERN + "|[0-9]+|(?:\\s*pouc[oa](?:s|)?|algu(?:mas|m|ns)?|mei[oa]?))\\s*" +
 				"(segundos?|min(?:uto)?s?|horas?|dias?|semanas?|mês|meses|anos?)\\s*)" +
 				"(?:\\W|$)"),

rules/br/deadline_test.go

@@ -32,3 +32,23 @@ func TestDeadline(t *testing.T) {
 
 	ApplyFixtures(t, "br.Deadline", w, fixt)
 }
+
+func TestDeadlineAggressive(t *testing.T) {
+	fixt := []Fixture{
+		{"3 dias", 0, "3 dias", 3 * 24 * time.Hour},
+		{"me lembre 4 dias depois", 10, "4 dias", 4 * 24 * time.Hour},
+		{"uma semana", 0, "uma semana", 7 * 24 * time.Hour},
+		{"dentro de meia hora", 0, "dentro de meia hora", time.Hour / 2},
+		{"me ligue em 5 minutos", 9, "em 5 minutos", 5 * time.Minute},
+	}
+
+	w := when.New(nil)
+	w.Add(br.Deadline(rules.Skip, br.DeadlineOptions{Aggressive: true}))
+
+	ApplyFixtures(t, "br.Deadline aggressive", w, fixt)
+
+	w = when.New(nil)
+	w.Add(br.Deadline(rules.Skip))
+
+	ApplyFixturesNil(t, "br.Deadline", w, []Fixture{{"3 dias", 0, "", 0}})
+}