fix: renaming dnt's output files break imports

scripts/build.ts

@@ -1,44 +1,5 @@
 // ex. scripts/build_npm.ts
 import { build, emptyDir } from "https://deno.land/x/dnt@0.34.0/mod.ts";
-import { basename, join, extname } from "https://deno.land/std@0.186.0/path/mod.ts";
-
-async function* listFilesInDirectory(directoryPath: string) {
-  try {
-    for await (const dirEntry of Deno.readDir(directoryPath)) {
-      if (dirEntry.isFile) {
-        yield dirEntry.name;
-      }
-    }
-  } catch (error) {
-    console.error(`Error listing files in directory: ${error}`);
-  }
-}
-
-async function renameFile(oldPath: string, newPath: string) {
-  try {
-    await Deno.rename(oldPath, newPath);
-    console.log(`File successfully renamed from ${oldPath} to ${newPath}`);
-  } catch (error) {
-    console.error(`Error renaming file: ${error}`);
-  }
-}
-
-async function copyFiles(sourceDir: string, destDir: string) {
-  try {
-    // Iterate over the files in the source directory
-    for await (const name of listFilesInDirectory(sourceDir)) {
-      // Construct the source and destination file paths
-      const sourcePath = `${sourceDir}/${name}`;
-      const destPath = `${destDir}/${name}`;
-
-      // Copy the file from the source to the destination
-      await Deno.copyFile(sourcePath, destPath);
-      console.log(`Copied file: ${sourcePath} -> ${destPath}`);
-    }
-  } catch (error) {
-    console.error(`Error copying files: ${error}`);
-  }
-}
 
 await emptyDir("./dist");
 
@@ -66,37 +27,20 @@ await build({
       "type": "git",
       "url": "https://github.com/okikio/codepoint-iterator.git"
     },
-    "unpkg": "./dist/mod.mjs",
-    "module": "./dist/mod.mjs",
-    "main": "./dist/mod.cjs",
-    "types": "./dist/mod.d.ts",
-    "browser": "./dist/mod.mjs",
+    "unpkg": "./esm/mod.js",
+    "browser": "./esm/mod.js",
     "directories": {
-      "dist": "./dist",
+      "esm": "./esm",
+      "script": "./script",
+      "types": "./types",
       "src": "./src"
     },
     "files": [
-      "dist",
+      "esm",
+      "script",
+      "types",
       "src"
     ],
-    "exports": {
-      ".": {
-        "import": {
-          "types": "./dist/mod.d.ts",
-          "default": "./dist/mod.mjs"
-        },
-        "require": {
-          "types": "./dist/mod.d.ts",
-          "default": "./dist/mod.cjs"
-        },
-        "default": {
-          "types": "./dist/mod.d.ts",
-          "default": "./dist/mod.mjs"
-        },
-      },
-      "./src": "./src/*",
-      "./package.json": "./package.json"
-    },
     "engines": {
       "node": ">=18"
     },
@@ -130,61 +74,5 @@ await build({
       Deno.copyFile("LICENSE", "dist/LICENSE"),
       Deno.copyFile("README.md", "dist/README.md"),
     ])
-
-    const newDistDir = "./dist/dist";
-
-    try {
-      await Deno.mkdir(newDistDir, { recursive: true })
-      console.log(`Created ${newDistDir}`)
-    } catch (e) { /* empty */ }
-
-    const oldEsmDir = "./dist/esm";
-    const oldCjsDir = "./dist/script";
-    const oldTypesDir = "./dist/types";
-
-    for await (const name of listFilesInDirectory(oldEsmDir)) {
-      const ext = extname(name)
-      if (ext === ".js") {
-        const oldPath = join(oldEsmDir, name)
-        const newPath = join(newDistDir, basename(name, ext) + ".mjs")
-        await renameFile(oldPath, newPath);
-      }
-    }
-
-    for await (const name of listFilesInDirectory(oldCjsDir)) {
-      const ext = extname(name)
-      if (ext === ".js") {
-        const oldPath = join(oldCjsDir, name)
-        const newPath = join(newDistDir, basename(name, ext) + ".cjs")
-        await renameFile(oldPath, newPath);
-      }
-    }
-
-    await copyFiles(oldTypesDir, newDistDir)
-
-    for await (const name of listFilesInDirectory(newDistDir)) {
-      if (["mod.mjs", "mod.cjs", "mod.d.ts"].includes(name)) {
-        const ext = name.replace("mod", "");
-
-        const srcPath = join(newDistDir, name);
-        const destPath = join(newDistDir, "index" + ext);
-        await Deno.copyFile(
-          srcPath,
-          destPath
-        )
-        console.log(`Copied file: ${srcPath} -> ${destPath}`);
-      }
-    }
-
-    try {
-      const dirs = [oldEsmDir, oldCjsDir, oldTypesDir]
-      await Promise.allSettled(
-        dirs.map(x => Deno.remove(x, { recursive: true }))
-      )
-
-      for (const x of dirs) {
-        console.log(`Deleted file: ${x}`);
-      }
-    } catch (e) { /* empty */ }
   },
 });