fix: only checking for declaration expression statements

docs/rules/new-line-between-declarations.md

@@ -2,6 +2,7 @@
 
 Jasmine uses `describe` to begin and name a test suite.
 For readability purposes this rule enforces that there is a new line between declarations within a suite.
+Declarations are `it`, `beforeEach`, `afterEach`, `beforeAll`, `afterAll`
 
 ## Rule details
 
@@ -42,3 +43,12 @@ describe("", function() {
 });
 describe("", function() {});
 ```
+
+```js
+describe("", function() {
+  var a = 1;
+  beforeEach(() => {})
+
+  it("", function(){});
+});
+```

lib/rules/new-line-between-declarations.js

@@ -10,7 +10,7 @@ module.exports = function (context) {
     CallExpression: function (node) {
       var pass = true
       if (node.callee.name === 'describe') {
-        var declarations = getDescribeContent(node)
+        var declarations = getDescribeDeclarationsContent(node)
         pass = declarations.every((token, i) => {
           var next = declarations[i + 1]
           if (next) {
@@ -32,15 +32,22 @@ module.exports = function (context) {
 }
 
  /**
- * Returns list of declaration tokens inside describe
+ * Returns list of declaration tokens (it, before,after/each,all) inside describe
  * @param {Token} describe The first token
- * @returns {Token[]} list of tokens inside describe
+ * @returns {Token[]} list of declaration tokens inside describe
  */
-function getDescribeContent (describe) {
+function getDescribeDeclarationsContent (describe) {
+  var declartionsRegexp = /^((before|after)(Each|All))|it$/
+  var declarations = []
   if (describe.arguments && describe.arguments[1] && describe.arguments[1].body.body) {
-    return describe.arguments[1].body.body
+    var content = describe.arguments[1].body.body
+    content.forEach(node => {
+      if (node.type === 'ExpressionStatement' && node.expression.callee && declartionsRegexp.test(node.expression.callee.name)) {
+        declarations.push(node)
+      }
+    })
   }
-  return []
+  return declarations
 }
 
  /**

test/rules/new-line-between-declarations.js

@@ -17,6 +17,7 @@ eslintTester.run('space between declarations', rule, {
     ]),
     linesToCode([
       'describe("", function() {',
+      'var a=1;',
       'beforeEach(function(){});',
       '',
       'it("", function(){});',
@@ -26,24 +27,17 @@ eslintTester.run('space between declarations', rule, {
       'describe("", function() {',
       'expect(1).toBe(1);',
       '});'
+    ]),
+    linesToCode([
+      'describe("", function() {',
+      'describe("", function(){',
+      'it("", function(){});',
+      '});',
+      'it("", function(){});',
+      '});'
     ])
   ],
   invalid: [
-    {
-      code: linesToCode([
-        'describe("", function() {',
-        'describe("", function(){',
-        'it("", function(){});',
-        '});',
-        'it("", function(){});',
-        '});'
-      ]),
-      errors: [
-        {
-          message: 'No new line between declarations'
-        }
-      ]
-    },
     {
       code: linesToCode([
         'describe("", function() {',