feat(admin,admin-ui,medusa): Add Medusa Admin plugin (#3334)

packages/admin/src/utils/index.ts

@@ -0,0 +1,3 @@
+export { loadConfig } from "./load-config"
+export { reporter } from "./reporter"
+export { validatePath } from "./validate-path"

packages/admin/src/utils/load-config.ts

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+import { getConfigFile } from "medusa-core-utils"
+import { ConfigModule, PluginOptions } from "../types"
+
+export const loadConfig = () => {
+  const { configModule } = getConfigFile<ConfigModule>(
+    process.cwd(),
+    "medusa-config"
+  )
+
+  const plugin = configModule.plugins.find(
+    (p) =>
+      (typeof p === "string" && p === "@medusajs/admin") ||
+      (typeof p === "object" && p.resolve === "@medusajs/admin")
+  )
+
+  let defaultConfig: PluginOptions = {
+    serve: true,
+    path: "app",
+  }
+
+  if (typeof plugin !== "string") {
+    const { options } = plugin as { options: PluginOptions }
+    defaultConfig = {
+      serve: options.serve ?? defaultConfig.serve,
+      path: options.path ?? defaultConfig.path,
+      backend: options.backend ?? defaultConfig.backend,
+      outDir: options.outDir ?? defaultConfig.outDir,
+    }
+  }
+
+  return defaultConfig
+}

packages/admin/src/utils/reporter.ts

@@ -0,0 +1,19 @@
+import colors from "picocolors"
+
+const PREFIX = colors.cyan("[@medusajs/admin]")
+
+export const reporter = {
+  panic: (err: Error) => {
+    console.error(`${PREFIX} ${colors.red(err.message)}`)
+    process.exit(1)
+  },
+  error: (message: string) => {
+    console.error(`${PREFIX} ${colors.red(message)}`)
+  },
+  info: (message: string) => {
+    console.log(`${PREFIX} ${colors.blue(message)}`)
+  },
+  warn: (message: string) => {
+    console.warn(`${PREFIX} ${colors.yellow(message)}`)
+  },
+}

packages/admin/src/utils/validate-path.ts

@@ -0,0 +1,15 @@
+export const validatePath = (path: string) => {
+  if (path.startsWith("/")) {
+    throw new Error(`Path cannot start with a slash.`)
+  }
+
+  if (path.endsWith("/")) {
+    throw new Error(`Path cannot end with a slash.`)
+  }
+
+  if (path === "admin" || path === "store") {
+    throw new Error(
+      `Path cannot be one of the reserved paths: "admin", "store".`
+    )
+  }
+}