chore(scripts): use mjs for downlevel-dts scripts

Author: trivikr

package.json

@@ -6,7 +6,7 @@
   "main": "index.js",
   "scripts": {
     "copy-models": "node ./scripts/copy-models",
-    "downlevel-dts": "node ./scripts/downlevel-dts",
+    "downlevel-dts": "node --es-module-specifier-resolution=node ./scripts/downlevel-dts",
     "generate-clients": "node ./scripts/generate-clients",
     "bootstrap": "yarn",
     "clean": "yarn clear-build-cache && yarn clear-build-info && lerna clean",

scripts/downlevel-dts/README.md

@@ -10,7 +10,7 @@
 Runs downlevel-dts npm script (if present) in each workspace of monorepo, and
 strips comments from *.d.ts files.
 
-Usage: index.js
+Usage: index.mjs
 
 Options:
   --version   Show version number                                      [boolean]

scripts/downlevel-dts/downlevelWorkspace.js renamed to scripts/downlevel-dts/downlevelWorkspace.mjs

@@ -1,10 +1,12 @@
-const { access, readFile, writeFile } = require("fs/promises");
-const { join } = require("path");
-const { promisify } = require("util");
-const exec = promisify(require("child_process").exec);
-const stripComments = require("strip-comments");
+import { exec } from "child_process";
+import { access, readFile, writeFile } from "fs/promises";
+import { join } from "path";
+import stripComments from "strip-comments";
+import { promisify } from "util";
 
-const downlevelWorkspace = async (workspacesDir, workspaceName) => {
+const execPromise = promisify(exec);
+
+export const downlevelWorkspace = async (workspacesDir, workspaceName) => {
   const workspaceDir = join(workspacesDir, workspaceName);
 
   const packageJsonPath = join(workspaceDir, "package.json");
@@ -38,7 +40,7 @@ const downlevelWorkspace = async (workspacesDir, workspaceName) => {
   try {
     await access(downlevelDir);
   } catch (error) {
-    await exec(["yarn", "downlevel-dts"].join(" "), { cwd: workspaceDir });
+    await execPromise(["yarn", "downlevel-dts"].join(" "), { cwd: workspaceDir });
   }
 
   // Strip comments from downlevel-dts files
@@ -55,5 +57,3 @@ const downlevelWorkspace = async (workspacesDir, workspaceName) => {
     });
   } catch (error) {}
 };
-
-module.exports = { downlevelWorkspace };

scripts/downlevel-dts/index.js renamed to scripts/downlevel-dts/index.mjs

@@ -1,18 +1,18 @@
 // @ts-check
-const yargs = require("yargs");
+import parallelLimit from "async/parallelLimit";
+import { readdirSync, readFileSync, statSync } from "fs";
+import { cpus } from "os";
+import { join } from "path";
+import yargs from "yargs";
 
-const { readFileSync, readdirSync, statSync } = require("fs");
-const { join } = require("path");
-const { cpus } = require("os");
-const { downlevelWorkspace } = require("./downlevelWorkspace");
-const parallelLimit = require("async/parallelLimit");
+import { downlevelWorkspace } from "./downlevelWorkspace.mjs";
 
 // ToDo: Write downlevel-dts as a yargs command, and import yargs in scripts instead.
 yargs
   .usage(
     "Runs downlevel-dts npm script (if present) in each workspace of monorepo," +
       " and strips comments from *.d.ts files.\n\n" +
-      "Usage: index.js"
+      "Usage: index.mjs"
   )
   .help()
   .alias("h", "help").argv;