Add (failing) node_modules test

.shellcheckrc

@@ -0,0 +1 @@
+disable=SC2148

test/formatters/apheleia-ft.el

@@ -209,7 +209,15 @@ directory."
                       apheleia-ft--temp-dir
                       "^\\(in\\|out\\)\\."))
         (unless (string= fname new-file)
-          (delete-file fname))))))
+          (delete-file fname)))
+      (let ((init-script (expand-file-name ".apheleia-ft.bash"
+                                           apheleia-ft--temp-dir)))
+        (when (file-exists-p init-script)
+          (let ((default-directory (file-name-directory init-script)))
+            (unless (zerop
+                     (call-process
+                      "bash" nil nil nil init-script))
+              (error "init script failed: %S" init-script))))))))
 
 (defun apheleia-ft--path-join (component &rest components)
   "Join COMPONENT and COMPONENTS together, left to right.

test/formatters/samplecode/prettier/test-uses-node-modules/.apheleia-ft.bash

@@ -0,0 +1 @@
+npm install

test/formatters/samplecode/prettier/test-uses-node-modules/.gitignore

@@ -0,0 +1 @@
+node_modules

test/formatters/samplecode/prettier/test-uses-node-modules/in.js

@@ -0,0 +1,6 @@
+// Behavior differs between 2.x and 3.x
+// https://prettier.io/blog/2023/07/05/3.0.0.html
+call(
+  @dec
+  class {},
+);

test/formatters/samplecode/prettier/test-uses-node-modules/out.js

@@ -0,0 +1,8 @@
+// Behavior differs between 2.x and 3.x
+// https://prettier.io/blog/2023/07/05/3.0.0.html
+call(
+  (
+    @dec
+    class {}
+  )
+);

test/formatters/samplecode/prettier/test-uses-node-modules/package.json

@@ -0,0 +1,12 @@
+{
+  "name": "apheleia-ft-prettier-test-uses-node-modules",
+  "version": "1.0.0",
+  "description": "Prettier should be used from node_modules",
+  "main": "index.js",
+  "author": "Radian LLC <contact+apheleia@radian.codes>",
+  "license": "MIT",
+  "private": true,
+  "dependencies": {
+    "prettier": "^2.8.8"
+  }
+}

test/shared/run-func.bash

@@ -14,4 +14,4 @@ exec emacs --batch -L . "$@"                  \
      --eval "(setq debug-on-error t)"         \
      --eval "(setq backtrace-line-length 0)"  \
      -f     "${func}"                         \
-     2>&1 | sed -uE 's/^(.{640}).+$/\1...[truncated]/'
+     2>&1 | sed -uE 's/^(.{320}).+$/\1...[truncated]/'