Extract location utils from components (#8152)

* extract util functions from MLocationBody

Signed-off-by: Kerry Archibald <kerrya@element.io>

* disassemble mlocationbody

Signed-off-by: Kerry Archibald <kerrya@element.io>

* tidy and add copyrights

Signed-off-by: Kerry Archibald <kerrya@element.io>

* move types and utils from components/location to utils

Signed-off-by: Kerry Archibald <kerrya@element.io>

* i18n

Signed-off-by: Kerry Archibald <kerrya@element.io>

* empty line

Signed-off-by: Kerry Archibald <kerrya@element.io>

test/test-utils/location.ts

@@ -0,0 +1,50 @@
+/*
+Copyright 2021 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import { LocationAssetType, M_LOCATION } from "matrix-js-sdk/src/@types/location";
+import { makeLocationContent } from "matrix-js-sdk/src/content-helpers";
+import { MatrixEvent } from "matrix-js-sdk/src/matrix";
+
+let id = 1;
+export const makeLegacyLocationEvent = (geoUri: string): MatrixEvent => {
+    return new MatrixEvent(
+        {
+            "event_id": `$${++id}`,
+            "type": M_LOCATION.name,
+            "content": {
+                "body": "Something about where I am",
+                "msgtype": "m.location",
+                "geo_uri": geoUri,
+            },
+        },
+    );
+};
+
+export const makeLocationEvent = (geoUri: string, assetType?: LocationAssetType): MatrixEvent => {
+    return new MatrixEvent(
+        {
+            "event_id": `$${++id}`,
+            "type": M_LOCATION.name,
+            "content": makeLocationContent(
+                `Found at ${geoUri} at 2021-12-21T12:22+0000`,
+                geoUri,
+                252523,
+                "Human-readable label",
+                assetType,
+            ),
+        },
+    );
+};