feat(rules): add tslint-react/jsx-space-before-trailing-slash

Author: ikatyang

src/tslint-react/jsx-space-before-trailing-slash/__snapshots__/test.tsx.snap

@@ -0,0 +1,25 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`should affect error message after formatting 1`] = `
+"
+<<<<<< before
+ERROR: (jsx-space-before-trailing-slash) /src/tslint-react/jsx-space-before-trailing-slash/test.tsx[1, 1]: Self-closing JSX elements must have a space before the '/>' part
+
+======
+no error
+
+>>>>>> after
+"
+`;
+
+exports[`should be pretty after formatting 1`] = `
+"
+<<<<<< before
+<meta/>
+
+======
+<meta />;
+
+>>>>>> after
+"
+`;

src/tslint-react/jsx-space-before-trailing-slash/test.tsx

@@ -0,0 +1 @@
+<meta/>

src/tslint-react/jsx-space-before-trailing-slash/tslint.json

@@ -0,0 +1,6 @@
+{
+  "extends": "../tslint.json",
+  "rules": {
+    "jsx-space-before-trailing-slash": true
+  }
+}