refactor: extract project version reading to reusable utility

Author: JeromeBu

api/src/rpc/router.ts

@@ -3,8 +3,6 @@
 // SPDX-License-Identifier: MIT
 
 import { initTRPC, TRPCError } from "@trpc/server";
-import * as fs from "fs";
-import { join as pathJoin } from "path";
 import superjson from "superjson";
 import type { Equals, ReturnType } from "tsafe";
 import { assert } from "tsafe/assert";
@@ -21,7 +19,7 @@ import {
     SoftwareType,
     UserWithId
 } from "../core/usecases/readWriteSillData";
-import { getMonorepoRootPackageJson } from "../tools/getMonorepoRootPackageJson";
+import { projectVersion } from "../tools/projectVersion";
 import type { OptionalIfCanBeUndefined } from "../tools/OptionalIfCanBeUndefined";
 import type { Context } from "./context";
 import type { OidcParams } from "../core/usecases/auth/oidcClient";
@@ -87,15 +85,7 @@ export function createRouter(params: {
         // PUBLIC PROCEDURES
         "getRedirectUrl": loggedProcedure.query(() => redirectUrl),
         "getExternalSoftwareDataOrigin": loggedProcedure.query(async () => (await dbApi.source.getMainSource()).kind),
-        "getApiVersion": loggedProcedure.query(
-            (() => {
-                const out: string = JSON.parse(
-                    fs.readFileSync(pathJoin(getMonorepoRootPackageJson(), "package.json")).toString("utf8")
-                )["version"];
-
-                return () => out;
-            })()
-        ),
+        "getApiVersion": loggedProcedure.query(() => projectVersion),
         "getOidcManageProfileUrl": loggedProcedure.query(() => oidcParams.manageProfileUrl),
         "getUiConfig": loggedProcedure.query(async () => ({
             uiConfig,

api/src/tools/getMonorepoRootPackageJson.ts renamed to api/src/tools/projectVersion.ts

@@ -4,6 +4,7 @@
 
 import * as fs from "fs";
 import * as path from "path";
+import { join as pathJoin } from "path";
 
 function getProjectRootRec(dirPath: string): string {
     if (fs.existsSync(path.join(dirPath, "package.json"))) {
@@ -16,7 +17,7 @@ function getProjectRootRec(dirPath: string): string {
 }
 
 let monorepoRoot: string | undefined = undefined;
-export function getMonorepoRootPackageJson(): string {
+function getMonorepoRootPackageJson(): string {
     if (monorepoRoot !== undefined) {
         return monorepoRoot;
     }
@@ -30,3 +31,7 @@ export function getMonorepoRootPackageJson(): string {
 
     return monorepoRoot;
 }
+
+export const projectVersion: string = JSON.parse(
+    fs.readFileSync(pathJoin(getMonorepoRootPackageJson(), "package.json")).toString("utf8")
+)["version"];