checkpoint

src/bin/tools/readThisNpmPackageVersion.ts

@@ -3,7 +3,13 @@ import { assert } from "tsafe/assert";
 import * as fs from "fs";
 import { join as pathJoin } from "path";
 
+let cache: string | undefined = undefined;
+
 export function readThisNpmPackageVersion(): string {
+    if (cache !== undefined) {
+        return cache;
+    }
+
     const version = JSON.parse(
         fs
             .readFileSync(pathJoin(getThisCodebaseRootDirPath(), "package.json"))
@@ -12,5 +18,7 @@ export function readThisNpmPackageVersion(): string {
 
     assert(typeof version === "string");
 
+    cache = version;
+
     return version;
 }