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|$)"),