9 files changed, 91 insertions, 0 deletions
diff --git a/history/es/DOMUtils.js b/history/es/DOMUtils.js
new file mode 100644
index 0000000..265a991
--- /dev/null
+++ b/history/es/DOMUtils.js
@@ -0,0 +1,7 @@
+'use strict';
+
+import warnAboutDeprecatedESMImport from './warnAboutDeprecatedESMImport.js';
+warnAboutDeprecatedESMImport('DOMUtils');
+
+import { DOMUtils } from '../esm/history.js';
+export default DOMUtils;
diff --git a/history/es/ExecutionEnvironment.js b/history/es/ExecutionEnvironment.js
new file mode 100644
index 0000000..9043609
--- /dev/null
+++ b/history/es/ExecutionEnvironment.js
@@ -0,0 +1,7 @@
+'use strict';
+
+import warnAboutDeprecatedESMImport from './warnAboutDeprecatedESMImport.js';
+warnAboutDeprecatedESMImport('ExecutionEnvironment');
+
+import { ExecutionEnvironment } from '../esm/history.js';
+export default ExecutionEnvironment;
diff --git a/history/es/LocationUtils.js b/history/es/LocationUtils.js
new file mode 100644
index 0000000..3dc1816
--- /dev/null
+++ b/history/es/LocationUtils.js
@@ -0,0 +1,7 @@
+'use strict';
+
+import warnAboutDeprecatedESMImport from './warnAboutDeprecatedESMImport.js';
+warnAboutDeprecatedESMImport('LocationUtils');
+
+import { LocationUtils } from '../esm/history.js';
+export default LocationUtils;
diff --git a/history/es/PathUtils.js b/history/es/PathUtils.js
new file mode 100644
index 0000000..7414d26
--- /dev/null
+++ b/history/es/PathUtils.js
@@ -0,0 +1,7 @@
+'use strict';
+
+import warnAboutDeprecatedESMImport from './warnAboutDeprecatedESMImport.js';
+warnAboutDeprecatedESMImport('PathUtils');
+
+import { PathUtils } from '../esm/history.js';
+export default PathUtils;
diff --git a/history/es/createBrowserHistory.js b/history/es/createBrowserHistory.js
new file mode 100644
index 0000000..c05b105
--- /dev/null
+++ b/history/es/createBrowserHistory.js
@@ -0,0 +1,7 @@
+'use strict';
+
+import warnAboutDeprecatedESMImport from './warnAboutDeprecatedESMImport.js';
+warnAboutDeprecatedESMImport('createBrowserHistory');
+
+import { createBrowserHistory } from '../esm/history.js';
+export default createBrowserHistory;
diff --git a/history/es/createHashHistory.js b/history/es/createHashHistory.js
new file mode 100644
index 0000000..ff40c25
--- /dev/null
+++ b/history/es/createHashHistory.js
@@ -0,0 +1,7 @@
+'use strict';
+
+import warnAboutDeprecatedESMImport from './warnAboutDeprecatedESMImport.js';
+warnAboutDeprecatedESMImport('createHashHistory');
+
+import { createHashHistory } from '../esm/history.js';
+export default createHashHistory;
diff --git a/history/es/createMemoryHistory.js b/history/es/createMemoryHistory.js
new file mode 100644
index 0000000..1cc4caa
--- /dev/null
+++ b/history/es/createMemoryHistory.js
@@ -0,0 +1,7 @@
+'use strict';
+
+import warnAboutDeprecatedESMImport from './warnAboutDeprecatedESMImport.js';
+warnAboutDeprecatedESMImport('createMemoryHistory');
+
+import { createMemoryHistory } from '../esm/history.js';
+export default createMemoryHistory;
diff --git a/history/es/createTransitionManager.js b/history/es/createTransitionManager.js
new file mode 100644
index 0000000..37d4540
--- /dev/null
+++ b/history/es/createTransitionManager.js
@@ -0,0 +1,7 @@
+'use strict';
+
+import warnAboutDeprecatedESMImport from './warnAboutDeprecatedESMImport.js';
+warnAboutDeprecatedESMImport('createTransitionManager');
+
+import { createTransitionManager } from '../esm/history.js';
+export default createTransitionManager;
diff --git a/history/es/warnAboutDeprecatedESMImport.js b/history/es/warnAboutDeprecatedESMImport.js
new file mode 100644
index 0000000..8215fb2
--- /dev/null
+++ b/history/es/warnAboutDeprecatedESMImport.js
@@ -0,0 +1,35 @@
+'use strict';
+
+var printWarning = function() {};
+
+if (process.env.NODE_ENV !== 'production') {
+  printWarning = function(format, subs) {
+    var index = 0;
+    var message =
+      'Warning: ' +
+      (subs.length > 0
+        ? format.replace(/%s/g, function() {
+            return subs[index++];
+          })
+        : format);
+
+    if (typeof console !== 'undefined') {
+      console.error(message);
+    }
+
+    try {
+      // --- Welcome to debugging history ---
+      // This error was thrown as a convenience so that you can use the
+      // stack trace to find the callsite that triggered this warning.
+      throw new Error(message);
+    } catch (e) {}
+  };
+}
+
+export default function(member) {
+  printWarning(
+    'Please use `import { %s } from "history"` instead of `import %s from "history/es/%s"`. ' +
+      'Support for the latter will be removed in the next major release.',
+    [member, member]
+  );
+}