feat(rule): abbreviation periods

Crystal/AbbreviationPeriods.yml

@@ -0,0 +1,6 @@
+extends: existence
+message: "Don't use periods with abbreviations such as '%s'."
+level: error
+nonword: true
+tokens:
+  - '\b(?:[A-Z]\.){3,}'

fixtures/AbbreviationPeriods/.vale.ini

@@ -0,0 +1,6 @@
+StylesPath = ../../
+
+MinAlertLevel = suggestion
+
+[*.md]
+Crystal.AbbreviationPeriods = YES

fixtures/AbbreviationPeriods/test.md

@@ -0,0 +1,4 @@
+# Abbreviation Periods
+
+It is a good practice to serve your site on H.T.T.P.S.
+The Mayan civilization had its origins around 2000 B.C.

test/parameters/AbbreviationPeriods/index.js

@@ -0,0 +1,6 @@
+export default [
+	"AbbreviationPeriods",
+	`
+	test.md:3:45:Crystal.AbbreviationPeriods:Don't use periods with abbreviations such as 'H.T.T.P.S.'.
+	`
+];

test/parameters/index.js

@@ -1,3 +1,4 @@
+import AbbreviationPeriods from "./AbbreviationPeriods/index.js";
 import AMPM from "./AMPM/index.js";
 import Contractions from "./Contractions/index.js";
 import Ellipsis from "./Ellipsis/index.js";
@@ -12,6 +13,7 @@ import SentenceLength from "./SentenceLength/index.js";
 import Space from "./Space/index.js";
 
 export default [
+	AbbreviationPeriods,
 	AMPM,
 	Contractions,
 	Ellipsis,