From 11b85dd41c9eb24d29cdd65b7f624c311da5ba58 Mon Sep 17 00:00:00 2001
From: Daniel Mahon <danielmahon@users.noreply.github.com>
Date: Wed, 11 Apr 2018 16:02:42 -0400
Subject: [PATCH] Adds support for passing component type or element to
 PreviewContent, supports React.forwardRef

---
 package-lock.json                             | 1651 +----------------
 package.json                                  |    1 +
 .../EditorPreviewPane/EditorPreviewContent.js |    5 +-
 3 files changed, 101 insertions(+), 1556 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index 0d68ff6b28f8..65396f159c72 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "netlify-cms",
-  "version": "1.1.0",
+  "version": "1.5.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -30,12 +30,6 @@
         "through": "2.3.8"
       }
     },
-    "abab": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/abab/-/abab-1.0.4.tgz",
-      "integrity": "sha1-X6rZwsB/YN12dw9xzwJbYqY8/U4=",
-      "dev": true
-    },
     "accepts": {
       "version": "1.3.4",
       "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.4.tgz",
@@ -69,23 +63,6 @@
         }
       }
     },
-    "acorn-globals": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/acorn-globals/-/acorn-globals-3.1.0.tgz",
-      "integrity": "sha1-/YJw9x+7SZawBPqIDuXUZXOnMb8=",
-      "dev": true,
-      "requires": {
-        "acorn": "4.0.13"
-      },
-      "dependencies": {
-        "acorn": {
-          "version": "4.0.13",
-          "resolved": "https://registry.npmjs.org/acorn/-/acorn-4.0.13.tgz",
-          "integrity": "sha1-EFSVrlNh1pe9GVyCUZLhrX8lN4c=",
-          "dev": true
-        }
-      }
-    },
     "acorn-jsx": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-3.0.1.tgz",
@@ -222,15 +199,6 @@
       "integrity": "sha1-zWLc+OT9WkF+/GZNLlsQZTxlG0Y=",
       "dev": true
     },
-    "append-transform": {
-      "version": "0.4.0",
-      "resolved": "https://registry.npmjs.org/append-transform/-/append-transform-0.4.0.tgz",
-      "integrity": "sha1-126/jKlNJ24keja61EpLdKthGZE=",
-      "dev": true,
-      "requires": {
-        "default-require-extensions": "1.0.0"
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       "resolved": "https://registry.npmjs.org/aproba/-/aproba-1.2.0.tgz",
@@ -278,12 +246,6 @@
       "integrity": "sha1-7/UuN1gknTO+QCuLuOVkuytdQDE=",
       "dev": true
     },
-    "array-equal": {
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-      "resolved": "https://registry.npmjs.org/array-equal/-/array-equal-1.0.0.tgz",
-      "integrity": "sha1-jCpe8kcv2ep0KwTHenUJO6J1fJM=",
-      "dev": true
-    },
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       "resolved": "https://registry.npmjs.org/array-find/-/array-find-1.0.0.tgz",
@@ -338,16 +300,6 @@
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       "dev": true
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-      "version": "2.0.4",
-      "resolved": "https://registry.npmjs.org/array.prototype.find/-/array.prototype.find-2.0.4.tgz",
-      "integrity": "sha1-VWpcU2LAhkgyPdrrnenRS8GGTJA=",
-      "dev": true,
-      "requires": {
-        "define-properties": "1.1.2",
-        "es-abstract": "1.10.0"
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@@ -397,12 +349,6 @@
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       "dev": true
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-      "resolved": "https://registry.npmjs.org/astral-regex/-/astral-regex-1.0.0.tgz",
-      "integrity": "sha512-+Ryf6g3BKoRc7jfp7ad8tM4TtMiaWvbF/1/sQcZPkkS7ag3D5nMBCe2UfOTONtAkaG0tO0ij3C5Lwmf1EiyjHg==",
-      "dev": true
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@@ -577,18 +523,6 @@
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-      "integrity": "sha1-sv4tgBJkcPXBlELcdXJTqJdxCCc=",
-      "dev": true,
-      "requires": {
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-        "babel-traverse": "6.26.0",
-        "babel-types": "6.26.0",
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@@ -782,16 +716,6 @@
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-      "resolved": "https://registry.npmjs.org/babel-jest/-/babel-jest-21.2.0.tgz",
-      "integrity": "sha512-O0W2qLoWu1QOoOGgxiR2JID4O6WSpxPiQanrkyi9SSlM0PJ60Ptzlck47lhtnr9YZO3zYOsxHwnyeWJ6AffoBQ==",
-      "dev": true,
-      "requires": {
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-        "babel-preset-jest": "21.2.0"
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@@ -821,23 +745,6 @@
         "babel-runtime": "6.26.0"
       }
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-      "resolved": "https://registry.npmjs.org/babel-plugin-istanbul/-/babel-plugin-istanbul-4.1.5.tgz",
-      "integrity": "sha1-Z2DN2Xf0EdPhdbsGTyvDJ9mbK24=",
-      "dev": true,
-      "requires": {
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-        "test-exclude": "4.1.1"
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-      "resolved": "https://registry.npmjs.org/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-21.2.0.tgz",
-      "integrity": "sha512-yi5QuiVyyvhBUDLP4ButAnhYzkdrUwWDtvUJv71hjH3fclhnZg4HkDeqaitcR2dZZx/E67kGkRcPVjtVu+SJfQ==",
-      "dev": true
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@@ -1360,16 +1267,6 @@
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-      "resolved": "https://registry.npmjs.org/babel-preset-jest/-/babel-preset-jest-21.2.0.tgz",
-      "integrity": "sha512-hm9cBnr2h3J7yXoTtAVV0zg+3vg0Q/gT2GYuzlreTU0EPkJRtlNgKJJ3tBKEn0+VjAi3JykV6xCJkuUYttEEfA==",
-      "dev": true,
-      "requires": {
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-        "babel-plugin-syntax-object-rest-spread": "6.13.0"
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@@ -1645,23 +1542,6 @@
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-      "version": "1.11.2",
-      "resolved": "https://registry.npmjs.org/browser-resolve/-/browser-resolve-1.11.2.tgz",
-      "integrity": "sha1-j/CbCixCFxihBRwmCzLkj0QpOM4=",
-      "dev": true,
-      "requires": {
-        "resolve": "1.1.7"
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-      "dependencies": {
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-          "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.1.7.tgz",
-          "integrity": "sha1-IDEU2CrSxe2ejgQRs5ModeiJ6Xs=",
-          "dev": true
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@@ -1742,15 +1622,6 @@
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-      "resolved": "https://registry.npmjs.org/bser/-/bser-2.0.0.tgz",
-      "integrity": "sha1-mseNPtXZFYBP2HrLFYvHlxR6Fxk=",
-      "dev": true,
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@@ -2632,12 +2503,6 @@
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       "dev": true
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-    "contains-path": {
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-      "resolved": "https://registry.npmjs.org/contains-path/-/contains-path-0.1.0.tgz",
-      "integrity": "sha1-/ozxhP9mcLa67wGp1IYaXL7EEgo=",
-      "dev": true
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@@ -2650,12 +2515,6 @@
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       "dev": true
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-    "content-type-parser": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/content-type-parser/-/content-type-parser-1.0.2.tgz",
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@@ -3581,21 +3440,6 @@
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-      "integrity": "sha1-uANhcMefB6kP8vFuIihAJ6JDhIs=",
-      "dev": true
-    },
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-      "integrity": "sha1-VBCXI0yyUTyDzu06zdwn/yeYfVQ=",
-      "dev": true,
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@@ -3620,12 +3464,6 @@
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@@ -3685,15 +3523,6 @@
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@@ -3964,12 +3793,6 @@
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@@ -4583,27 +4406,6 @@
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@@ -4813,67 +4615,6 @@
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-      "integrity": "sha1-xelYpGmrivdq/waLQ9eE5a/nTKc=",
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-      "integrity": "sha1-iQN8vJLFarGJJua6TLsgDhVnKmo=",
-      "dev": true
-    },
     "through": {
       "version": "2.3.8",
       "resolved": "https://registry.npmjs.org/through/-/through-2.3.8.tgz",
@@ -16705,12 +15324,6 @@
         "os-tmpdir": "1.0.2"
       }
     },
-    "tmpl": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/tmpl/-/tmpl-1.0.4.tgz",
-      "integrity": "sha1-I2QN17QtAEM5ERQIIOXPRA5SHdE=",
-      "dev": true
-    },
     "to-arraybuffer": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/to-arraybuffer/-/to-arraybuffer-1.0.1.tgz",
@@ -16878,12 +15491,6 @@
         }
       }
     },
-    "tr46": {
-      "version": "0.0.3",
-      "resolved": "https://registry.npmjs.org/tr46/-/tr46-0.0.3.tgz",
-      "integrity": "sha1-gYT9NH2snNwYWZLzpmIuFLnZq2o=",
-      "dev": true
-    },
     "trim": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/trim/-/trim-0.0.1.tgz",
@@ -17622,15 +16229,6 @@
       "integrity": "sha1-oW0CXrkxvQO1LzCMrtD0D86+lTI=",
       "dev": true
     },
-    "walker": {
-      "version": "1.0.7",
-      "resolved": "https://registry.npmjs.org/walker/-/walker-1.0.7.tgz",
-      "integrity": "sha1-L3+bj9ENZ3JisYqITijRlhjgKPs=",
-      "dev": true,
-      "requires": {
-        "makeerror": "1.0.11"
-      }
-    },
     "warning": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/warning/-/warning-3.0.0.tgz",
@@ -17639,24 +16237,6 @@
         "loose-envify": "1.3.1"
       }
     },
-    "watch": {
-      "version": "0.18.0",
-      "resolved": "https://registry.npmjs.org/watch/-/watch-0.18.0.tgz",
-      "integrity": "sha1-KAlUdsbffJDJYxOJkMClQj60uYY=",
-      "dev": true,
-      "requires": {
-        "exec-sh": "0.2.1",
-        "minimist": "1.2.0"
-      },
-      "dependencies": {
-        "minimist": {
-          "version": "1.2.0",
-          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-          "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
-          "dev": true
-        }
-      }
-    },
     "watchpack": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/watchpack/-/watchpack-1.4.0.tgz",
@@ -17677,12 +16257,6 @@
         "minimalistic-assert": "1.0.0"
       }
     },
-    "webidl-conversions": {
-      "version": "4.0.2",
-      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-4.0.2.tgz",
-      "integrity": "sha512-YQ+BmxuTgd6UXZW3+ICGfyqRyHXVlD5GtQr5+qjiNW7bF0cqrzX500HVXPBOvgXb5YnzDd+h0zqyv61KUD7+Sg==",
-      "dev": true
-    },
     "webpack": {
       "version": "3.10.0",
       "resolved": "https://registry.npmjs.org/webpack/-/webpack-3.10.0.tgz",
@@ -18536,38 +17110,11 @@
       "resolved": "https://registry.npmjs.org/what-input/-/what-input-5.0.5.tgz",
       "integrity": "sha1-b1/RS67wNUyufDzqqUmIaoakVtk="
     },
-    "whatwg-encoding": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/whatwg-encoding/-/whatwg-encoding-1.0.3.tgz",
-      "integrity": "sha512-jLBwwKUhi8WtBfsMQlL4bUUcT8sMkAtQinscJAe/M4KHCkHuUJAF6vuB0tueNIw4c8ziO6AkRmgY+jL3a0iiPw==",
-      "dev": true,
-      "requires": {
-        "iconv-lite": "0.4.19"
-      }
-    },
     "whatwg-fetch": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/whatwg-fetch/-/whatwg-fetch-2.0.3.tgz",
       "integrity": "sha1-nITsLc9oGH/wC8ZOEnS0QhduHIQ="
     },
-    "whatwg-url": {
-      "version": "4.8.0",
-      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-4.8.0.tgz",
-      "integrity": "sha1-0pgaqRSMHgCkHFphMRZqtGg7vMA=",
-      "dev": true,
-      "requires": {
-        "tr46": "0.0.3",
-        "webidl-conversions": "3.0.1"
-      },
-      "dependencies": {
-        "webidl-conversions": {
-          "version": "3.0.1",
-          "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
-          "integrity": "sha1-JFNCdeKnvGvnvIZhHMFq4KVlSHE=",
-          "dev": true
-        }
-      }
-    },
     "whet.extend": {
       "version": "0.9.9",
       "resolved": "https://registry.npmjs.org/whet.extend/-/whet.extend-0.9.9.tgz",
@@ -18715,12 +17262,6 @@
       "integrity": "sha1-SWsswQnsqNus/i3HK2A8F8WHCtQ=",
       "dev": true
     },
-    "xml-name-validator": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/xml-name-validator/-/xml-name-validator-2.0.1.tgz",
-      "integrity": "sha1-TYuPHszTQZqjYgYb7O9RXh5VljU=",
-      "dev": true
-    },
     "xtend": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
diff --git a/package.json b/package.json
index 55d9ed860067..52940c376a93 100644
--- a/package.json
+++ b/package.json
@@ -155,6 +155,7 @@
     "react-dom": "^16.0.0",
     "react-frame-component": "^2.0.0",
     "react-immutable-proptypes": "^2.1.0",
+    "react-is": "16.3.1",
     "react-modal": "^3.1.5",
     "react-redux": "^4.4.0",
     "react-router-dom": "^4.2.2",
diff --git a/src/components/Editor/EditorPreviewPane/EditorPreviewContent.js b/src/components/Editor/EditorPreviewPane/EditorPreviewContent.js
index c7a466bad308..abe5e693d9b2 100644
--- a/src/components/Editor/EditorPreviewPane/EditorPreviewContent.js
+++ b/src/components/Editor/EditorPreviewPane/EditorPreviewContent.js
@@ -1,5 +1,6 @@
 import PropTypes from 'prop-types';
 import React from 'react';
+import { isElement } from 'react-is';
 import { ScrollSyncPane } from 'react-scroll-sync';
 
 /**
@@ -12,7 +13,9 @@ class PreviewContent extends React.Component {
     const { previewComponent, previewProps } = this.props;
     return (
       <ScrollSyncPane attachTo={this.context.document.scrollingElement}>
-        {React.createElement(previewComponent, previewProps)}
+        {isElement(previewComponent)
+          ? React.cloneElement(previewComponent, previewProps)
+          : React.createElement(previewComponent, previewProps)}
       </ScrollSyncPane>
     );
   }