Add code gen for environement variables an theme name

src/bin/shared/generateKcGenTs.ts

@@ -0,0 +1,61 @@
+import { assert } from "tsafe/assert";
+import type { BuildOptions } from "./buildOptions";
+import { getThemeSrcDirPath } from "./getThemeSrcDirPath";
+import * as fs from "fs/promises";
+import { join as pathJoin } from "path";
+
+export type BuildOptionsLike = {
+    reactAppRootDirPath: string;
+    themeNames: string[];
+    environmentVariables: { name: string; default: string }[];
+};
+
+assert<BuildOptions extends BuildOptionsLike ? true : false>();
+
+export async function generateKcGenTs(params: {
+    buildOptions: BuildOptionsLike;
+}): Promise<void> {
+    const { buildOptions } = params;
+
+    const { themeSrcDirPath } = getThemeSrcDirPath({
+        reactAppRootDirPath: buildOptions.reactAppRootDirPath
+    });
+
+    await fs.writeFile(
+        pathJoin(themeSrcDirPath, "kc.gen.ts"),
+        Buffer.from(
+            [
+                `/* prettier-ignore-start */`,
+                ``,
+                `/* eslint-disable */`,
+                ``,
+                `// @ts-nocheck`,
+                ``,
+                `// noinspection JSUnusedGlobalSymbols`,
+                ``,
+                `// This file is auto-generated by Keycloakify`,
+                ``,
+                `export type ThemeName = ${buildOptions.themeNames.map(themeName => `"${themeName}"`).join(" | ")};`,
+                ``,
+                `export const themeNames: ThemeName[] = [${buildOptions.themeNames.map(themeName => `"${themeName}"`).join(", ")}];`,
+                ``,
+                `export type KcEnvName = ${buildOptions.environmentVariables.length === 0 ? "never" : buildOptions.environmentVariables.map(({ name }) => `"${name}"`).join(" | ")};`,
+                ``,
+                `export const KcEnvNames: KcEnvName[] = [${buildOptions.environmentVariables.map(({ name }) => `"${name}"`).join(", ")}];`,
+                ``,
+                `export const kcEnvDefaults: Record<KcEnvName, string> = ${JSON.stringify(
+                    Object.fromEntries(
+                        buildOptions.environmentVariables.map(
+                            ({ name, default: defaultValue }) => [name, defaultValue]
+                        )
+                    ),
+                    null,
+                    2
+                )}`,
+                ``,
+                `/* prettier-ignore-end */`
+            ].join("\n"),
+            "utf8"
+        )
+    );
+}