From 9546e53481270cc39d3688ca119311e373fe9607 Mon Sep 17 00:00:00 2001
From: rinter17 <rinter17@fastmail.com>
Date: Wed, 26 Aug 2020 20:42:59 -0500
Subject: [PATCH] [New] add `SequenceExpression`

Fixes #95.
---
 __tests__/src/getPropValue-flowparser-test.js | 15 +++++++++++++++
 src/values/expressions/SequenceExpression.js  | 13 +++++++++++++
 src/values/expressions/index.js               |  3 +++
 3 files changed, 31 insertions(+)
 create mode 100644 src/values/expressions/SequenceExpression.js

diff --git a/__tests__/src/getPropValue-flowparser-test.js b/__tests__/src/getPropValue-flowparser-test.js
index 81ae7f2..4c9a8d5 100644
--- a/__tests__/src/getPropValue-flowparser-test.js
+++ b/__tests__/src/getPropValue-flowparser-test.js
@@ -828,6 +828,21 @@ describe('getPropValue', () => {
     });
   });
 
+  describe('Sequence array expression', () => {
+    it('should evaluate to correct representation of the the array in props', () => {
+      const prop = extractProp('<div foo={[{"type":"Literal","start":821,"end":827}]} />');
+
+      const expected = [{
+        type: 'Literal',
+        start: 821,
+        end: 827,
+      }];
+      const actual = getPropValue(prop);
+
+      assert.deepEqual(actual, expected);
+    });
+  });
+
   describe('Array expression', () => {
     it('should evaluate to correct representation of the the array in props', () => {
       const prop = extractProp('<div foo={["bar", 42, null]} />');
diff --git a/src/values/expressions/SequenceExpression.js b/src/values/expressions/SequenceExpression.js
new file mode 100644
index 0000000..129d992
--- /dev/null
+++ b/src/values/expressions/SequenceExpression.js
@@ -0,0 +1,13 @@
+/**
+ * Extractor function for a SequenceExpression type value node.
+ * A Sequence expression is an object with an attribute named
+ * expressions which contains an array of different types
+ *  of expression objects.
+ *
+ * @returns - An array of the extracted elements.
+ */
+export default function extractValueFromSequenceExpression(value) {
+  // eslint-disable-next-line global-require
+  const getValue = require('.').default;
+  return value.expressions.map((element) => getValue(element));
+}
diff --git a/src/values/expressions/index.js b/src/values/expressions/index.js
index fe255ee..ba3c954 100644
--- a/src/values/expressions/index.js
+++ b/src/values/expressions/index.js
@@ -21,6 +21,7 @@ import ArrayExpression from './ArrayExpression';
 import BindExpression from './BindExpression';
 import SpreadElement from './SpreadElement';
 import TypeCastExpression from './TypeCastExpression';
+import SequenceExpression from './SequenceExpression';
 
 // Composition map of types to their extractor functions.
 const TYPES = {
@@ -48,6 +49,7 @@ const TYPES = {
   BindExpression,
   SpreadElement,
   TypeCastExpression,
+  SequenceExpression,
 };
 
 const noop = () => null;
@@ -138,6 +140,7 @@ const LITERAL_TYPES = {
   TSNonNullExpression: noop,
   TSAsExpression: noop,
   TypeCastExpression: noop,
+  SequenceExpression: noop,
 };
 
 /**