Fixed exports field order (ethers-io#3703, ethers-io#3755).

src.ts/_admin/update-version.ts

@@ -67,7 +67,14 @@ function writeVersion(version: string): void {
         pkgInfo.gitHead = gitHead;
 
         // Save the package.json
-        saveJson(pkgPath, pkgInfo, true);
+        const check: Record<string, number> = { "require": 1, "import": 1, "types": 1 };
+        saveJson(pkgPath, pkgInfo, (path: string, a: string, b: string) => {
+            if (path.startsWith("./") && check[a] && check[b]) {
+                if (a === "types") { return -1; }
+                if (b === "types") { return 1; }
+            }
+            return a.localeCompare(b);
+        });
 
         // Save the src.ts/_version.ts
         writeVersion(pkgInfo.version);

src.ts/_admin/utils/json.ts

@@ -9,7 +9,9 @@ export function loadJson(path: string): any {
 
 type Replacer = (key: string, value: any) => any;
 
-export function saveJson(filename: string, data: any, sort?: boolean): any {
+export type SortFunc = (parent: string, a: string, b: string) => number;
+
+export function saveJson(filename: string, data: any, sort?: boolean | SortFunc): any {
 
     let replacer: (Replacer | undefined) = undefined;
     if (sort) {
@@ -18,7 +20,13 @@ export function saveJson(filename: string, data: any, sort?: boolean): any {
                 // pass
             } else if (value && typeof(value) === "object") {
                 const keys = Object.keys(value);
-                keys.sort();
+                let sortFunc: undefined | ((a: string, b: string) => number);
+                if (typeof(sort) === "function") {
+                    sortFunc = function(a: string, b: string) {
+                        return sort(key, a, b);
+                    }
+                }
+                keys.sort(sortFunc);
                 return keys.reduce((accum, key) => {
                     accum[key] = value[key];
                     return accum;

tsconfig.commonjs.json

@@ -4,7 +4,6 @@
   ],
   "extends": "./tsconfig.base.json",
   "compilerOptions": {
-    "declaration": true,
     "module": "commonjs",
     "outDir": "./lib.commonjs"
   }