From 0a8701eb09c62506d86b82f4fbee3078fa7f6837 Mon Sep 17 00:00:00 2001
From: Lexus Drumgold <unicornware@flexdevelopment.llc>
Date: Sun, 12 Feb 2023 03:38:18 -0500
Subject: [PATCH] chore(loader): [`load`] fix esbuild loader configuration

- https://esbuild.github.io/api/#loader

Signed-off-by: Lexus Drumgold <unicornware@flexdevelopment.llc>
---
 README.md  | 7 ++++---
 loader.mjs | 7 ++++---
 2 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/README.md b/README.md
index c0b3782f..ab3163f4 100644
--- a/README.md
+++ b/README.md
@@ -87,8 +87,9 @@ too :wink:):
  */
 
 import * as mlly from '@flex-development/mlly'
-import pathe from '@flex-development/pathe'
+import * as pathe from '@flex-development/pathe'
 import * as tscu from '@flex-development/tsconfig-utils'
+import * as tutils from '@flex-development/tutils'
 import * as esbuild from 'esbuild'
 import { fileURLToPath, pathToFileURL } from 'node:url'
 
@@ -135,7 +136,7 @@ export const load = async (url, context) => {
   /**
    * File extension of {@linkcode url}.
    *
-   * @type {string}
+   * @type {pathe.Ext | tutils.EmptyString}
    * @const ext
    */
   const ext = pathe.extname(url)
@@ -167,7 +168,7 @@ export const load = async (url, context) => {
     // transpile source code
     const { code } = await esbuild.transform(source, {
       format: ext === '.cts' ? 'cjs' : 'esm',
-      loader: /^[cm]/.test(ext) ? 'ts' : ext.slice(1),
+      loader: ext.slice(/^\.[cm]/.test(ext) ? 2 : 1),
       minify: false,
       sourcefile: fileURLToPath(url),
       sourcemap: 'inline',
diff --git a/loader.mjs b/loader.mjs
index 7a67d21e..77a59d1f 100644
--- a/loader.mjs
+++ b/loader.mjs
@@ -5,8 +5,9 @@
  */
 
 import * as mlly from '@flex-development/mlly'
-import pathe from '@flex-development/pathe'
+import * as pathe from '@flex-development/pathe'
 import * as tscu from '@flex-development/tsconfig-utils'
+import * as tutils from '@flex-development/tutils'
 import * as esbuild from 'esbuild'
 import { fileURLToPath, pathToFileURL } from 'node:url'
 
@@ -53,7 +54,7 @@ export const load = async (url, context) => {
   /**
    * File extension of {@linkcode url}.
    *
-   * @type {string}
+   * @type {pathe.Ext | tutils.EmptyString}
    * @const ext
    */
   const ext = pathe.extname(url)
@@ -85,7 +86,7 @@ export const load = async (url, context) => {
     // transpile source code
     const { code } = await esbuild.transform(source, {
       format: ext === '.cts' ? 'cjs' : 'esm',
-      loader: /^[cm]/.test(ext) ? 'ts' : ext.slice(1),
+      loader: ext.slice(/^\.[cm]/.test(ext) ? 2 : 1),
       minify: false,
       sourcefile: fileURLToPath(url),
       sourcemap: 'inline',