3 files changed, 126 insertions, 0 deletions
diff --git a/test/wasm/index.js b/test/wasm/index.js
new file mode 100755
index 00000000..fce5753c
--- /dev/null
+++ b/test/wasm/index.js
@@ -0,0 +1,52 @@
+#!/usr/bin/env node
+
+/*
+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.
+*/
+
+const fs = require('fs');
+const path = require('path');
+const childProcess = require('child_process');
+
+(async function() {
+    // sql.js
+    const initSqlJs = require('sql.js');
+    await initSqlJs().then(SQL => {
+        global._go_sqlite = SQL;
+        console.log("Loaded sqlite")
+    });
+    // dendritejs expects to write to `/idb` so we create that here
+    // Since this is testing only, we use the default in-memory FS
+    global._go_sqlite.FS.mkdir("/idb");
+
+    // WebSocket
+    const WebSocket = require('isomorphic-ws');
+    global.WebSocket = WebSocket;
+
+    // Load the generic Go Wasm exec helper inline to trigger built-in run call
+    // This approach avoids copying `wasm_exec.js` into the repo, which is nice
+    // to aim for since it can differ between Go versions.
+    const goRoot = await new Promise((resolve, reject) => {
+        childProcess.execFile('go', ['env', 'GOROOT'], (err, out) => {
+            if (err) {
+                reject("Can't find go");
+            }
+            resolve(out.trim());
+        });
+    });
+    const execPath = path.join(goRoot, 'misc/wasm/wasm_exec.js');
+    const execCode = fs.readFileSync(execPath, 'utf8');
+    eval(execCode);
+})();
diff --git a/test/wasm/package-lock.json b/test/wasm/package-lock.json
new file mode 100644
index 00000000..f26d55ab
--- /dev/null
+++ b/test/wasm/package-lock.json
@@ -0,0 +1,67 @@
+{
+  "name": "wasm",
+  "lockfileVersion": 2,
+  "requires": true,
+  "packages": {
+    "": {
+      "dependencies": {
+        "isomorphic-ws": "^4.0.1",
+        "sql.js": "github:neilalexander/sql.js#252a72bf57b0538cbd49bbd6f70af71e516966ae",
+        "ws": "^7.5.2"
+      }
+    },
+    "node_modules/isomorphic-ws": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/isomorphic-ws/-/isomorphic-ws-4.0.1.tgz",
+      "integrity": "sha512-BhBvN2MBpWTaSHdWRb/bwdZJ1WaehQ2L1KngkCkfLUGF0mAWAT1sQUQacEmQ0jXkFw/czDXPNQSL5u2/Krsz1w==",
+      "peerDependencies": {
+        "ws": "*"
+      }
+    },
+    "node_modules/sql.js": {
+      "version": "1.5.0",
+      "resolved": "git+ssh://git@github.com/neilalexander/sql.js.git#252a72bf57b0538cbd49bbd6f70af71e516966ae",
+      "integrity": "sha512-EFYI/yMoQ1U08nZxQOZ7+4S0nOpKF45EVoWGef8L1kvSCMP3B3xSzwZeOmoF2tBVpbMssAgHEz43cf0ZulRDSQ==",
+      "license": "MIT"
+    },
+    "node_modules/ws": {
+      "version": "7.5.2",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.5.2.tgz",
+      "integrity": "sha512-lkF7AWRicoB9mAgjeKbGqVUekLnSNO4VjKVnuPHpQeOxZOErX6BPXwJk70nFslRCEEA8EVW7ZjKwXaP9N+1sKQ==",
+      "engines": {
+        "node": ">=8.3.0"
+      },
+      "peerDependencies": {
+        "bufferutil": "^4.0.1",
+        "utf-8-validate": "^5.0.2"
+      },
+      "peerDependenciesMeta": {
+        "bufferutil": {
+          "optional": true
+        },
+        "utf-8-validate": {
+          "optional": true
+        }
+      }
+    }
+  },
+  "dependencies": {
+    "isomorphic-ws": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/isomorphic-ws/-/isomorphic-ws-4.0.1.tgz",
+      "integrity": "sha512-BhBvN2MBpWTaSHdWRb/bwdZJ1WaehQ2L1KngkCkfLUGF0mAWAT1sQUQacEmQ0jXkFw/czDXPNQSL5u2/Krsz1w==",
+      "requires": {}
+    },
+    "sql.js": {
+      "version": "git+ssh://git@github.com/neilalexander/sql.js.git#252a72bf57b0538cbd49bbd6f70af71e516966ae",
+      "integrity": "sha512-EFYI/yMoQ1U08nZxQOZ7+4S0nOpKF45EVoWGef8L1kvSCMP3B3xSzwZeOmoF2tBVpbMssAgHEz43cf0ZulRDSQ==",
+      "from": "sql.js@github:neilalexander/sql.js#252a72bf57b0538cbd49bbd6f70af71e516966ae"
+    },
+    "ws": {
+      "version": "7.5.2",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.5.2.tgz",
+      "integrity": "sha512-lkF7AWRicoB9mAgjeKbGqVUekLnSNO4VjKVnuPHpQeOxZOErX6BPXwJk70nFslRCEEA8EVW7ZjKwXaP9N+1sKQ==",
+      "requires": {}
+    }
+  }
+}
diff --git a/test/wasm/package.json b/test/wasm/package.json
new file mode 100644
index 00000000..b28c30b1
--- /dev/null
+++ b/test/wasm/package.json
@@ -0,0 +1,7 @@
+{
+  "dependencies": {
+    "isomorphic-ws": "^4.0.1",
+    "sql.js": "github:neilalexander/sql.js#252a72bf57b0538cbd49bbd6f70af71e516966ae",
+    "ws": "^7.5.2"
+  }
+}