Add API URL injection back and Docker builds.

scripts/inject.js

@@ -0,0 +1,49 @@
+/* eslint-disable */
+const { copy, remove, access, readFile, writeFile } = require("fs-extra");
+const klaw = require("klaw");
+
+let target = /__API_URL__/g;
+let replacement = process.env.REVOLT_PUBLIC_URL;
+let BUILD_DIRECTORY = "dist";
+let OUT_DIRECTORY = "dist_injected";
+
+if (typeof replacement === "undefined") {
+    console.error("No REVOLT_PUBLIC_URL specified in environment variables.");
+    process.exit(1);
+}
+
+(async () => {
+    console.log("Ensuring project has been built at least once.");
+    try {
+        await access(BUILD_DIRECTORY);
+    } catch (err) {
+        console.error("Build project at least once!");
+        return process.exit(1);
+    }
+
+    console.log("Determining if injected build already exists...");
+    try {
+        await access(OUT_DIRECTORY);
+
+        console.log("Deleting existing build...");
+        await remove(OUT_DIRECTORY);
+    } catch (err) {}
+
+    await copy(BUILD_DIRECTORY, OUT_DIRECTORY);
+
+    console.log("Processing bundles...");
+    for await (const file of klaw(OUT_DIRECTORY)) {
+        let path = file.path;
+        if (path.endsWith(".js")) {
+            let data = await readFile(path);
+            if (target.test(data)) {
+                console.log("Matched file", path);
+
+                let processed = data.toString().replace(target, replacement);
+                await writeFile(path, processed);
+            }
+        }
+    }
+
+    console.log("Complete.");
+})();