From 128f76be12b3a9fee8219226acef17313b927c4e Mon Sep 17 00:00:00 2001
From: johnwalley <john@walley.org.uk>
Date: Thu, 11 Jan 2018 23:35:48 +0000
Subject: [PATCH] Do not parse numbers as dates

A number with four or eight digits was treated as a date if it matched one of the following date formats: YYYY, YYYYMMDD or YYYYMMDD
---
 .../__tests__/__snapshots__/infer-graphql-type-test.js.snap    | 2 +-
 .../gatsby/src/schema/__tests__/infer-graphql-type-test.js     | 2 +-
 packages/gatsby/src/schema/infer-graphql-type.js               | 3 ---
 3 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/packages/gatsby/src/schema/__tests__/__snapshots__/infer-graphql-type-test.js.snap b/packages/gatsby/src/schema/__tests__/__snapshots__/infer-graphql-type-test.js.snap
index 9fb28ffd45b81..7960f21cdeebd 100644
--- a/packages/gatsby/src/schema/__tests__/__snapshots__/infer-graphql-type-test.js.snap
+++ b/packages/gatsby/src/schema/__tests__/__snapshots__/infer-graphql-type-test.js.snap
@@ -109,7 +109,7 @@ Object {
           "date": "1984",
           "title": "The world of slash and adventure",
         },
-        "hair": 2,
+        "hair": 2048,
       },
     ],
   },
diff --git a/packages/gatsby/src/schema/__tests__/infer-graphql-type-test.js b/packages/gatsby/src/schema/__tests__/infer-graphql-type-test.js
index 5952717c8b847..da668ad3484b1 100644
--- a/packages/gatsby/src/schema/__tests__/infer-graphql-type-test.js
+++ b/packages/gatsby/src/schema/__tests__/infer-graphql-type-test.js
@@ -81,7 +81,7 @@ describe(`GraphQL type inferance`, () => {
       id: `boo`,
       name: `The Mad Wax`,
       type: `Test`,
-      hair: 2,
+      hair: 2048,
       date: `1984-10-12`,
       anArray: [1, 2, 5, 4],
       aNestedArray: [[1, 2, 3, 4]],
diff --git a/packages/gatsby/src/schema/infer-graphql-type.js b/packages/gatsby/src/schema/infer-graphql-type.js
index 40e5a5fd05ece..5ed478a9efb0d 100644
--- a/packages/gatsby/src/schema/infer-graphql-type.js
+++ b/packages/gatsby/src/schema/infer-graphql-type.js
@@ -43,10 +43,8 @@ export type ProcessedNodeType = {
 }
 
 const ISO_8601_FORMAT = [
-  `YYYY`,
   `YYYY-MM`,
   `YYYY-MM-DD`,
-  `YYYYMMDD`,
   `YYYY-MM-DDTHHZ`,
   `YYYY-MM-DDTHH:mmZ`,
   `YYYY-MM-DDTHHmmZ`,
@@ -59,7 +57,6 @@ const ISO_8601_FORMAT = [
   `YYYY-[W]WW-E`,
   `YYYY[W]WWE`,
   `YYYY-DDDD`,
-  `YYYYDDDD`,
 ]
 
 function inferGraphQLType({