From b29d8ff852f9764031aeffefc56fac6eaf7f9d42 Mon Sep 17 00:00:00 2001
From: fisker <lionkay@gmail.com>
Date: Wed, 16 Aug 2023 16:55:56 +0800
Subject: [PATCH 1/2] Convert tests to ES Modules

---
 .eslintrc.yml                                |  8 ++++++--
 tests/array/jsfmt.spec.js                    |  4 ++--
 tests/arrowfunc/jsfmt.spec.js                |  2 +-
 tests/assign/jsfmt.spec.js                   |  2 +-
 tests/assignref/jsfmt.spec.js                |  2 +-
 tests/attributes-trail-comma/jsfmt.spec.js   |  2 +-
 tests/attributes/jsfmt.spec.js               |  2 +-
 tests/bin/jsfmt.spec.js                      |  2 +-
 tests/block/jsfmt.spec.js                    |  2 +-
 tests/boolean/jsfmt.spec.js                  |  2 +-
 tests/brace-style/jsfmt.spec.js              |  8 ++++----
 tests/break/jsfmt.spec.js                    |  2 +-
 tests/call/jsfmt.spec.js                     |  2 +-
 tests/case/jsfmt.spec.js                     |  2 +-
 tests/cast/jsfmt.spec.js                     |  2 +-
 tests/class/jsfmt.spec.js                    |  4 ++--
 tests/classconstant/jsfmt.spec.js            |  2 +-
 tests/clone/jsfmt.spec.js                    |  2 +-
 tests/closure/jsfmt.spec.js                  |  2 +-
 tests/comments/jsfmt.spec.js                 |  2 +-
 tests/constant/jsfmt.spec.js                 |  2 +-
 tests/continue/jsfmt.spec.js                 |  2 +-
 tests/declare/jsfmt.spec.js                  |  2 +-
 tests/do/jsfmt.spec.js                       |  2 +-
 tests/echo/jsfmt.spec.js                     |  2 +-
 tests/empty/jsfmt.spec.js                    |  2 +-
 tests/encapsed/jsfmt.spec.js                 |  4 ++--
 tests/enum/jsfmt.spec.js                     |  2 +-
 tests/errors/jsfmt.spec.js                   |  2 +-
 tests/eval/jsfmt.spec.js                     |  2 +-
 tests/exit/jsfmt.spec.js                     |  2 +-
 tests/extensions/jsfmt.spec.js               |  2 +-
 tests/for/jsfmt.spec.js                      |  2 +-
 tests/foreach/jsfmt.spec.js                  |  2 +-
 tests/formatting/jsfmt.spec.js               |  2 +-
 tests/functions/jsfmt.spec.js                |  4 ++--
 tests/global/jsfmt.spec.js                   |  2 +-
 tests/goto/jsfmt.spec.js                     |  2 +-
 tests/halt/jsfmt.spec.js                     |  2 +-
 tests/identifier-and-reference/jsfmt.spec.js |  2 +-
 tests/if/jsfmt.spec.js                       |  2 +-
 tests/ignore/jsfmt.spec.js                   |  2 +-
 tests/include/jsfmt.spec.js                  |  2 +-
 tests/inline/jsfmt.spec.js                   |  2 +-
 tests/insert-pragma/jsfmt.spec.js            |  6 +++---
 tests/interface/jsfmt.spec.js                |  4 ++--
 tests/intersection-types/jsfmt.spec.js       |  2 +-
 tests/isset/jsfmt.spec.js                    |  2 +-
 tests/kitchen_sink/jsfmt.spec.js             |  4 ++--
 tests/list/jsfmt.spec.js                     |  4 ++--
 tests/magic/jsfmt.spec.js                    |  2 +-
 tests/markdown/jsfmt.spec.js                 |  2 +-
 tests/match/jsfmt.spec.js                    |  4 ++--
 tests/member_chain/jsfmt.spec.js             |  2 +-
 tests/method/jsfmt.spec.js                   |  2 +-
 tests/namedarguments/jsfmt.spec.js           |  2 +-
 tests/namespace/jsfmt.spec.js                |  2 +-
 tests/new/jsfmt.spec.js                      |  2 +-
 tests/newline/jsfmt.spec.js                  |  6 +++---
 tests/nowdoc/jsfmt.spec.js                   |  4 ++--
 tests/nullsafepropertylookup/jsfmt.spec.js   |  2 +-
 tests/number/jsfmt.spec.js                   |  2 +-
 tests/offsetlookup/jsfmt.spec.js             |  2 +-
 tests/package.json                           |  5 +++++
 tests/parameter/jsfmt.spec.js                |  2 +-
 tests/parens/jsfmt.spec.js                   |  2 +-
 tests/preserve_line/jsfmt.spec.js            |  2 +-
 tests/print/jsfmt.spec.js                    |  2 +-
 tests/program/jsfmt.spec.js                  |  2 +-
 tests/property/jsfmt.spec.js                 |  2 +-
 tests/propertylookup/jsfmt.spec.js           |  2 +-
 tests/propertystatement/jsfmt.spec.js        |  2 +-
 tests/require-pragma/jsfmt.spec.js           |  6 +++---
 tests/retif/jsfmt.spec.js                    |  2 +-
 tests/return/jsfmt.spec.js                   |  2 +-
 tests/shebang/jsfmt.spec.js                  |  2 +-
 tests/silent/jsfmt.spec.js                   |  2 +-
 tests/statement/jsfmt.spec.js                |  2 +-
 tests/static/jsfmt.spec.js                   |  2 +-
 tests/staticlookup/jsfmt.spec.js             |  2 +-
 tests/string-double-quote/jsfmt.spec.js      |  2 +-
 tests/string-single-quote/jsfmt.spec.js      |  2 +-
 tests/string/jsfmt.spec.js                   |  2 +-
 tests/switch/jsfmt.spec.js                   |  2 +-
 tests/syntax-error/jsfmt.spec.js             |  4 ++--
 tests/sys/jsfmt.spec.js                      |  2 +-
 tests/trailing_comma_func/jsfmt.spec.js      |  4 ++--
 tests/trailing_commas/jsfmt.spec.js          | 10 +++++-----
 tests/trailing_whitespace/jsfmt.spec.js      |  2 +-
 tests/traitalias/jsfmt.spec.js               |  2 +-
 tests/traits/jsfmt.spec.js                   |  4 ++--
 tests/traituse/jsfmt.spec.js                 |  2 +-
 tests/uniontypes/jsfmt.spec.js               |  2 +-
 tests/unset/jsfmt.spec.js                    |  2 +-
 tests/use/jsfmt.spec.js                      |  2 +-
 tests/variable/jsfmt.spec.js                 |  2 +-
 tests/variadic/jsfmt.spec.js                 |  2 +-
 tests/while/jsfmt.spec.js                    |  2 +-
 tests/yield/jsfmt.spec.js                    |  2 +-
 tests_config/get_engine.js                   | 21 +++++++++++---------
 tests_config/package.json                    |  5 +++++
 tests_config/run_spec.js                     | 14 ++++++-------
 102 files changed, 157 insertions(+), 140 deletions(-)
 create mode 100644 tests/package.json
 create mode 100644 tests_config/package.json

diff --git a/.eslintrc.yml b/.eslintrc.yml
index 57a6e779f..f62d29428 100644
--- a/.eslintrc.yml
+++ b/.eslintrc.yml
@@ -39,9 +39,13 @@ rules:
     - never
     - exceptRange: true
 overrides:
-  - files: "tests/**/*.js"
+  - files: "{tests,tests_config}/**/*.js"
+    parserOptions:
+      sourceType: "module"
     rules:
-      strict: off
+      # Turned off temporarily since we add a package.json without dependencies in these dirs
+      import/no-extraneous-dependencies: off
+  - files: "tests/**/*.js"
     globals:
       run_spec: true
   - files: "build/*.js"
diff --git a/tests/array/jsfmt.spec.js b/tests/array/jsfmt.spec.js
index 3073bc63a..d43490aab 100644
--- a/tests/array/jsfmt.spec.js
+++ b/tests/array/jsfmt.spec.js
@@ -1,2 +1,2 @@
-run_spec(__dirname, ["php"]);
-run_spec(__dirname, ["php"], { phpVersion: "5.3" });
+run_spec(import.meta, ["php"]);
+run_spec(import.meta, ["php"], { phpVersion: "5.3" });
diff --git a/tests/arrowfunc/jsfmt.spec.js b/tests/arrowfunc/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/arrowfunc/jsfmt.spec.js
+++ b/tests/arrowfunc/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/assign/jsfmt.spec.js b/tests/assign/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/assign/jsfmt.spec.js
+++ b/tests/assign/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/assignref/jsfmt.spec.js b/tests/assignref/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/assignref/jsfmt.spec.js
+++ b/tests/assignref/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/attributes-trail-comma/jsfmt.spec.js b/tests/attributes-trail-comma/jsfmt.spec.js
index 8fd98a9ac..b6511ba4e 100644
--- a/tests/attributes-trail-comma/jsfmt.spec.js
+++ b/tests/attributes-trail-comma/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"], { trailingCommaPHP: true, phpVersion: "8.0" });
+run_spec(import.meta, ["php"], { trailingCommaPHP: true, phpVersion: "8.0" });
diff --git a/tests/attributes/jsfmt.spec.js b/tests/attributes/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/attributes/jsfmt.spec.js
+++ b/tests/attributes/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/bin/jsfmt.spec.js b/tests/bin/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/bin/jsfmt.spec.js
+++ b/tests/bin/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/block/jsfmt.spec.js b/tests/block/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/block/jsfmt.spec.js
+++ b/tests/block/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/boolean/jsfmt.spec.js b/tests/boolean/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/boolean/jsfmt.spec.js
+++ b/tests/boolean/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/brace-style/jsfmt.spec.js b/tests/brace-style/jsfmt.spec.js
index 09a6fcb5c..8ac8c68a1 100644
--- a/tests/brace-style/jsfmt.spec.js
+++ b/tests/brace-style/jsfmt.spec.js
@@ -1,4 +1,4 @@
-run_spec(__dirname, ["php"]);
-run_spec(__dirname, ["php"], { braceStyle: "psr-2" });
-run_spec(__dirname, ["php"], { braceStyle: "per-cs" });
-run_spec(__dirname, ["php"], { braceStyle: "1tbs" });
+run_spec(import.meta, ["php"]);
+run_spec(import.meta, ["php"], { braceStyle: "psr-2" });
+run_spec(import.meta, ["php"], { braceStyle: "per-cs" });
+run_spec(import.meta, ["php"], { braceStyle: "1tbs" });
diff --git a/tests/break/jsfmt.spec.js b/tests/break/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/break/jsfmt.spec.js
+++ b/tests/break/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/call/jsfmt.spec.js b/tests/call/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/call/jsfmt.spec.js
+++ b/tests/call/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/case/jsfmt.spec.js b/tests/case/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/case/jsfmt.spec.js
+++ b/tests/case/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/cast/jsfmt.spec.js b/tests/cast/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/cast/jsfmt.spec.js
+++ b/tests/cast/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/class/jsfmt.spec.js b/tests/class/jsfmt.spec.js
index 5378de169..4d43d0cbd 100644
--- a/tests/class/jsfmt.spec.js
+++ b/tests/class/jsfmt.spec.js
@@ -1,3 +1,3 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
 // see https://github.com/prettier/plugin-php/issues/107
-// run_spec(__dirname, ["php"], { openingBraceNewLine: false });
+// run_spec(import.meta, ["php"], { openingBraceNewLine: false });
diff --git a/tests/classconstant/jsfmt.spec.js b/tests/classconstant/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/classconstant/jsfmt.spec.js
+++ b/tests/classconstant/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/clone/jsfmt.spec.js b/tests/clone/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/clone/jsfmt.spec.js
+++ b/tests/clone/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/closure/jsfmt.spec.js b/tests/closure/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/closure/jsfmt.spec.js
+++ b/tests/closure/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/comments/jsfmt.spec.js b/tests/comments/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/comments/jsfmt.spec.js
+++ b/tests/comments/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/constant/jsfmt.spec.js b/tests/constant/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/constant/jsfmt.spec.js
+++ b/tests/constant/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/continue/jsfmt.spec.js b/tests/continue/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/continue/jsfmt.spec.js
+++ b/tests/continue/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/declare/jsfmt.spec.js b/tests/declare/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/declare/jsfmt.spec.js
+++ b/tests/declare/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/do/jsfmt.spec.js b/tests/do/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/do/jsfmt.spec.js
+++ b/tests/do/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/echo/jsfmt.spec.js b/tests/echo/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/echo/jsfmt.spec.js
+++ b/tests/echo/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/empty/jsfmt.spec.js b/tests/empty/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/empty/jsfmt.spec.js
+++ b/tests/empty/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/encapsed/jsfmt.spec.js b/tests/encapsed/jsfmt.spec.js
index e2d819801..5279179f2 100644
--- a/tests/encapsed/jsfmt.spec.js
+++ b/tests/encapsed/jsfmt.spec.js
@@ -1,2 +1,2 @@
-run_spec(__dirname, ["php"]);
-run_spec(__dirname, ["php"], { phpVersion: "7.3" });
+run_spec(import.meta, ["php"]);
+run_spec(import.meta, ["php"], { phpVersion: "7.3" });
diff --git a/tests/enum/jsfmt.spec.js b/tests/enum/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/enum/jsfmt.spec.js
+++ b/tests/enum/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/errors/jsfmt.spec.js b/tests/errors/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/errors/jsfmt.spec.js
+++ b/tests/errors/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/eval/jsfmt.spec.js b/tests/eval/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/eval/jsfmt.spec.js
+++ b/tests/eval/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/exit/jsfmt.spec.js b/tests/exit/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/exit/jsfmt.spec.js
+++ b/tests/exit/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/extensions/jsfmt.spec.js b/tests/extensions/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/extensions/jsfmt.spec.js
+++ b/tests/extensions/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/for/jsfmt.spec.js b/tests/for/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/for/jsfmt.spec.js
+++ b/tests/for/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/foreach/jsfmt.spec.js b/tests/foreach/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/foreach/jsfmt.spec.js
+++ b/tests/foreach/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/formatting/jsfmt.spec.js b/tests/formatting/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/formatting/jsfmt.spec.js
+++ b/tests/formatting/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/functions/jsfmt.spec.js b/tests/functions/jsfmt.spec.js
index 5378de169..4d43d0cbd 100644
--- a/tests/functions/jsfmt.spec.js
+++ b/tests/functions/jsfmt.spec.js
@@ -1,3 +1,3 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
 // see https://github.com/prettier/plugin-php/issues/107
-// run_spec(__dirname, ["php"], { openingBraceNewLine: false });
+// run_spec(import.meta, ["php"], { openingBraceNewLine: false });
diff --git a/tests/global/jsfmt.spec.js b/tests/global/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/global/jsfmt.spec.js
+++ b/tests/global/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/goto/jsfmt.spec.js b/tests/goto/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/goto/jsfmt.spec.js
+++ b/tests/goto/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/halt/jsfmt.spec.js b/tests/halt/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/halt/jsfmt.spec.js
+++ b/tests/halt/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/identifier-and-reference/jsfmt.spec.js b/tests/identifier-and-reference/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/identifier-and-reference/jsfmt.spec.js
+++ b/tests/identifier-and-reference/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/if/jsfmt.spec.js b/tests/if/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/if/jsfmt.spec.js
+++ b/tests/if/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/ignore/jsfmt.spec.js b/tests/ignore/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/ignore/jsfmt.spec.js
+++ b/tests/ignore/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/include/jsfmt.spec.js b/tests/include/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/include/jsfmt.spec.js
+++ b/tests/include/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/inline/jsfmt.spec.js b/tests/inline/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/inline/jsfmt.spec.js
+++ b/tests/inline/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/insert-pragma/jsfmt.spec.js b/tests/insert-pragma/jsfmt.spec.js
index 1a328b63e..c1683e70b 100644
--- a/tests/insert-pragma/jsfmt.spec.js
+++ b/tests/insert-pragma/jsfmt.spec.js
@@ -1,3 +1,3 @@
-run_spec(__dirname, ["php"], { insertPragma: true, endOfLine: "cr" });
-run_spec(__dirname, ["php"], { insertPragma: true, endOfLine: "crlf" });
-run_spec(__dirname, ["php"], { insertPragma: true, endOfLine: "lf" });
+run_spec(import.meta, ["php"], { insertPragma: true, endOfLine: "cr" });
+run_spec(import.meta, ["php"], { insertPragma: true, endOfLine: "crlf" });
+run_spec(import.meta, ["php"], { insertPragma: true, endOfLine: "lf" });
diff --git a/tests/interface/jsfmt.spec.js b/tests/interface/jsfmt.spec.js
index 5378de169..4d43d0cbd 100644
--- a/tests/interface/jsfmt.spec.js
+++ b/tests/interface/jsfmt.spec.js
@@ -1,3 +1,3 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
 // see https://github.com/prettier/plugin-php/issues/107
-// run_spec(__dirname, ["php"], { openingBraceNewLine: false });
+// run_spec(import.meta, ["php"], { openingBraceNewLine: false });
diff --git a/tests/intersection-types/jsfmt.spec.js b/tests/intersection-types/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/intersection-types/jsfmt.spec.js
+++ b/tests/intersection-types/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/isset/jsfmt.spec.js b/tests/isset/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/isset/jsfmt.spec.js
+++ b/tests/isset/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/kitchen_sink/jsfmt.spec.js b/tests/kitchen_sink/jsfmt.spec.js
index 2e1965334..efafecaf4 100644
--- a/tests/kitchen_sink/jsfmt.spec.js
+++ b/tests/kitchen_sink/jsfmt.spec.js
@@ -1,2 +1,2 @@
-run_spec(__dirname, ["php"]);
-// run_spec(__dirname, ["php"], { openingBraceNewLine: false });
+run_spec(import.meta, ["php"]);
+// run_spec(import.meta, ["php"], { openingBraceNewLine: false });
diff --git a/tests/list/jsfmt.spec.js b/tests/list/jsfmt.spec.js
index 935da6579..c0ec8a1fc 100644
--- a/tests/list/jsfmt.spec.js
+++ b/tests/list/jsfmt.spec.js
@@ -1,2 +1,2 @@
-run_spec(__dirname, ["php"]);
-run_spec(__dirname, ["php"], { phpVersion: "7.1" });
+run_spec(import.meta, ["php"]);
+run_spec(import.meta, ["php"], { phpVersion: "7.1" });
diff --git a/tests/magic/jsfmt.spec.js b/tests/magic/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/magic/jsfmt.spec.js
+++ b/tests/magic/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/markdown/jsfmt.spec.js b/tests/markdown/jsfmt.spec.js
index 4503e4a25..6c898223a 100644
--- a/tests/markdown/jsfmt.spec.js
+++ b/tests/markdown/jsfmt.spec.js
@@ -1,4 +1,4 @@
-run_spec(__dirname, ["markdown"], {
+run_spec(import.meta, ["markdown"], {
   plugins: global.STANDALONE ? [require("prettier/parser-markdown")] : [],
   proseWrap: "always",
   tabWidth: 4,
diff --git a/tests/match/jsfmt.spec.js b/tests/match/jsfmt.spec.js
index c3743e711..97399d8f1 100644
--- a/tests/match/jsfmt.spec.js
+++ b/tests/match/jsfmt.spec.js
@@ -1,8 +1,8 @@
-run_spec(__dirname, ["php"], {
+run_spec(import.meta, ["php"], {
   trailingCommaPHP: false,
   phpVersion: "8.0",
 });
-run_spec(__dirname, ["php"], {
+run_spec(import.meta, ["php"], {
   trailingCommaPHP: true,
   phpVersion: "8.0",
 });
diff --git a/tests/member_chain/jsfmt.spec.js b/tests/member_chain/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/member_chain/jsfmt.spec.js
+++ b/tests/member_chain/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/method/jsfmt.spec.js b/tests/method/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/method/jsfmt.spec.js
+++ b/tests/method/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/namedarguments/jsfmt.spec.js b/tests/namedarguments/jsfmt.spec.js
index cc787638c..d22c24d29 100644
--- a/tests/namedarguments/jsfmt.spec.js
+++ b/tests/namedarguments/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"], { phpVersion: "8.0" });
+run_spec(import.meta, ["php"], { phpVersion: "8.0" });
diff --git a/tests/namespace/jsfmt.spec.js b/tests/namespace/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/namespace/jsfmt.spec.js
+++ b/tests/namespace/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/new/jsfmt.spec.js b/tests/new/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/new/jsfmt.spec.js
+++ b/tests/new/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/newline/jsfmt.spec.js b/tests/newline/jsfmt.spec.js
index e79d21a9b..4096c5dc5 100644
--- a/tests/newline/jsfmt.spec.js
+++ b/tests/newline/jsfmt.spec.js
@@ -1,3 +1,3 @@
-run_spec(__dirname, ["php"], { endOfLine: "cr" });
-run_spec(__dirname, ["php"], { endOfLine: "crlf" });
-run_spec(__dirname, ["php"], { endOfLine: "lf" });
+run_spec(import.meta, ["php"], { endOfLine: "cr" });
+run_spec(import.meta, ["php"], { endOfLine: "crlf" });
+run_spec(import.meta, ["php"], { endOfLine: "lf" });
diff --git a/tests/nowdoc/jsfmt.spec.js b/tests/nowdoc/jsfmt.spec.js
index e2d819801..5279179f2 100644
--- a/tests/nowdoc/jsfmt.spec.js
+++ b/tests/nowdoc/jsfmt.spec.js
@@ -1,2 +1,2 @@
-run_spec(__dirname, ["php"]);
-run_spec(__dirname, ["php"], { phpVersion: "7.3" });
+run_spec(import.meta, ["php"]);
+run_spec(import.meta, ["php"], { phpVersion: "7.3" });
diff --git a/tests/nullsafepropertylookup/jsfmt.spec.js b/tests/nullsafepropertylookup/jsfmt.spec.js
index cc787638c..d22c24d29 100644
--- a/tests/nullsafepropertylookup/jsfmt.spec.js
+++ b/tests/nullsafepropertylookup/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"], { phpVersion: "8.0" });
+run_spec(import.meta, ["php"], { phpVersion: "8.0" });
diff --git a/tests/number/jsfmt.spec.js b/tests/number/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/number/jsfmt.spec.js
+++ b/tests/number/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/offsetlookup/jsfmt.spec.js b/tests/offsetlookup/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/offsetlookup/jsfmt.spec.js
+++ b/tests/offsetlookup/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/package.json b/tests/package.json
new file mode 100644
index 000000000..f80fdd058
--- /dev/null
+++ b/tests/package.json
@@ -0,0 +1,5 @@
+{
+  "//": "Remove this file after we migrate to ESM.",
+  "description": "Make Node.js treat .js files in this directory as module",
+  "type": "module"
+}
\ No newline at end of file
diff --git a/tests/parameter/jsfmt.spec.js b/tests/parameter/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/parameter/jsfmt.spec.js
+++ b/tests/parameter/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/parens/jsfmt.spec.js b/tests/parens/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/parens/jsfmt.spec.js
+++ b/tests/parens/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/preserve_line/jsfmt.spec.js b/tests/preserve_line/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/preserve_line/jsfmt.spec.js
+++ b/tests/preserve_line/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/print/jsfmt.spec.js b/tests/print/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/print/jsfmt.spec.js
+++ b/tests/print/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/program/jsfmt.spec.js b/tests/program/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/program/jsfmt.spec.js
+++ b/tests/program/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/property/jsfmt.spec.js b/tests/property/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/property/jsfmt.spec.js
+++ b/tests/property/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/propertylookup/jsfmt.spec.js b/tests/propertylookup/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/propertylookup/jsfmt.spec.js
+++ b/tests/propertylookup/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/propertystatement/jsfmt.spec.js b/tests/propertystatement/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/propertystatement/jsfmt.spec.js
+++ b/tests/propertystatement/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/require-pragma/jsfmt.spec.js b/tests/require-pragma/jsfmt.spec.js
index cbd3dbfe7..78361cfff 100644
--- a/tests/require-pragma/jsfmt.spec.js
+++ b/tests/require-pragma/jsfmt.spec.js
@@ -1,3 +1,3 @@
-run_spec(__dirname, ["php"], { requirePragma: true, endOfLine: "cr" });
-run_spec(__dirname, ["php"], { requirePragma: true, endOfLine: "crlf" });
-run_spec(__dirname, ["php"], { requirePragma: true, endOfLine: "lf" });
+run_spec(import.meta, ["php"], { requirePragma: true, endOfLine: "cr" });
+run_spec(import.meta, ["php"], { requirePragma: true, endOfLine: "crlf" });
+run_spec(import.meta, ["php"], { requirePragma: true, endOfLine: "lf" });
diff --git a/tests/retif/jsfmt.spec.js b/tests/retif/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/retif/jsfmt.spec.js
+++ b/tests/retif/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/return/jsfmt.spec.js b/tests/return/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/return/jsfmt.spec.js
+++ b/tests/return/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/shebang/jsfmt.spec.js b/tests/shebang/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/shebang/jsfmt.spec.js
+++ b/tests/shebang/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/silent/jsfmt.spec.js b/tests/silent/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/silent/jsfmt.spec.js
+++ b/tests/silent/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/statement/jsfmt.spec.js b/tests/statement/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/statement/jsfmt.spec.js
+++ b/tests/statement/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/static/jsfmt.spec.js b/tests/static/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/static/jsfmt.spec.js
+++ b/tests/static/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/staticlookup/jsfmt.spec.js b/tests/staticlookup/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/staticlookup/jsfmt.spec.js
+++ b/tests/staticlookup/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/string-double-quote/jsfmt.spec.js b/tests/string-double-quote/jsfmt.spec.js
index 9b730dc4f..de5550203 100644
--- a/tests/string-double-quote/jsfmt.spec.js
+++ b/tests/string-double-quote/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"], { singleQuote: false });
+run_spec(import.meta, ["php"], { singleQuote: false });
diff --git a/tests/string-single-quote/jsfmt.spec.js b/tests/string-single-quote/jsfmt.spec.js
index 251ce04bb..cfd1c798f 100644
--- a/tests/string-single-quote/jsfmt.spec.js
+++ b/tests/string-single-quote/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"], { singleQuote: true });
+run_spec(import.meta, ["php"], { singleQuote: true });
diff --git a/tests/string/jsfmt.spec.js b/tests/string/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/string/jsfmt.spec.js
+++ b/tests/string/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/switch/jsfmt.spec.js b/tests/switch/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/switch/jsfmt.spec.js
+++ b/tests/switch/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/syntax-error/jsfmt.spec.js b/tests/syntax-error/jsfmt.spec.js
index 11b12c317..b712c6c85 100644
--- a/tests/syntax-error/jsfmt.spec.js
+++ b/tests/syntax-error/jsfmt.spec.js
@@ -1,5 +1,5 @@
-const { prettier, plugin } = require("../../tests_config/get_engine");
-const stripAnsi = require("strip-ansi");
+import { prettier, plugin } from "../../tests_config/get_engine.js";
+import stripAnsi from "strip-ansi";
 
 async function raiseSyntaxError() {
   await prettier.format(`<?php _`, {
diff --git a/tests/sys/jsfmt.spec.js b/tests/sys/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/sys/jsfmt.spec.js
+++ b/tests/sys/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/trailing_comma_func/jsfmt.spec.js b/tests/trailing_comma_func/jsfmt.spec.js
index 69ee3aa5b..77f569314 100644
--- a/tests/trailing_comma_func/jsfmt.spec.js
+++ b/tests/trailing_comma_func/jsfmt.spec.js
@@ -1,9 +1,9 @@
-run_spec(__dirname, ["php"], {
+run_spec(import.meta, ["php"], {
   trailingComma: "all",
   trailingCommaPHP: false,
   phpVersion: "8.0",
 });
-run_spec(__dirname, ["php"], {
+run_spec(import.meta, ["php"], {
   trailingComma: "none",
   trailingCommaPHP: true,
   phpVersion: "8.0",
diff --git a/tests/trailing_commas/jsfmt.spec.js b/tests/trailing_commas/jsfmt.spec.js
index 6658b8a2f..695bbbc83 100644
--- a/tests/trailing_commas/jsfmt.spec.js
+++ b/tests/trailing_commas/jsfmt.spec.js
@@ -1,8 +1,8 @@
-run_spec(__dirname, ["php"]);
-run_spec(__dirname, ["php"], { trailingCommaPHP: true, phpVersion: "5.0" });
-run_spec(__dirname, ["php"], { trailingCommaPHP: true, phpVersion: "7.2" });
-run_spec(__dirname, ["php"], { trailingCommaPHP: true, phpVersion: "7.3" });
-run_spec(__dirname, ["php"], {
+run_spec(import.meta, ["php"]);
+run_spec(import.meta, ["php"], { trailingCommaPHP: true, phpVersion: "5.0" });
+run_spec(import.meta, ["php"], { trailingCommaPHP: true, phpVersion: "7.2" });
+run_spec(import.meta, ["php"], { trailingCommaPHP: true, phpVersion: "7.3" });
+run_spec(import.meta, ["php"], {
   trailingCommaPHP: false,
   trailingComma: "all",
 });
diff --git a/tests/trailing_whitespace/jsfmt.spec.js b/tests/trailing_whitespace/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/trailing_whitespace/jsfmt.spec.js
+++ b/tests/trailing_whitespace/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/traitalias/jsfmt.spec.js b/tests/traitalias/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/traitalias/jsfmt.spec.js
+++ b/tests/traitalias/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/traits/jsfmt.spec.js b/tests/traits/jsfmt.spec.js
index 5378de169..4d43d0cbd 100644
--- a/tests/traits/jsfmt.spec.js
+++ b/tests/traits/jsfmt.spec.js
@@ -1,3 +1,3 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
 // see https://github.com/prettier/plugin-php/issues/107
-// run_spec(__dirname, ["php"], { openingBraceNewLine: false });
+// run_spec(import.meta, ["php"], { openingBraceNewLine: false });
diff --git a/tests/traituse/jsfmt.spec.js b/tests/traituse/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/traituse/jsfmt.spec.js
+++ b/tests/traituse/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/uniontypes/jsfmt.spec.js b/tests/uniontypes/jsfmt.spec.js
index cc787638c..d22c24d29 100644
--- a/tests/uniontypes/jsfmt.spec.js
+++ b/tests/uniontypes/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"], { phpVersion: "8.0" });
+run_spec(import.meta, ["php"], { phpVersion: "8.0" });
diff --git a/tests/unset/jsfmt.spec.js b/tests/unset/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/unset/jsfmt.spec.js
+++ b/tests/unset/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/use/jsfmt.spec.js b/tests/use/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/use/jsfmt.spec.js
+++ b/tests/use/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/variable/jsfmt.spec.js b/tests/variable/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/variable/jsfmt.spec.js
+++ b/tests/variable/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/variadic/jsfmt.spec.js b/tests/variadic/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/variadic/jsfmt.spec.js
+++ b/tests/variadic/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/while/jsfmt.spec.js b/tests/while/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/while/jsfmt.spec.js
+++ b/tests/while/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests/yield/jsfmt.spec.js b/tests/yield/jsfmt.spec.js
index e395434ee..8829c872f 100644
--- a/tests/yield/jsfmt.spec.js
+++ b/tests/yield/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["php"]);
+run_spec(import.meta, ["php"]);
diff --git a/tests_config/get_engine.js b/tests_config/get_engine.js
index a37d0cb51..cef27908f 100644
--- a/tests_config/get_engine.js
+++ b/tests_config/get_engine.js
@@ -1,11 +1,14 @@
-"use strict";
+import path from "path";
+import url from "url";
+import { createRequire } from "module";
 
-const path = require("path");
+const require = createRequire(import.meta.url);
+const __dirname = path.dirname(url.fileURLToPath(import.meta.url));
 
-if (global.STANDALONE) {
-  exports.prettier = require("prettier/standalone");
-  exports.plugin = require(path.join(__dirname, "..", "standalone.js"));
-} else {
-  exports.prettier = require("prettier");
-  exports.plugin = require(path.join(__dirname, ".."));
-}
+// TODO: Use ESM version
+export const prettier = require(global.STANDALONE
+  ? "prettier/standalone"
+  : "prettier");
+export const plugin = require(global.STANDALONE
+  ? path.join(__dirname, "../standalone.js")
+  : path.join(__dirname, ".."));
diff --git a/tests_config/package.json b/tests_config/package.json
new file mode 100644
index 000000000..f80fdd058
--- /dev/null
+++ b/tests_config/package.json
@@ -0,0 +1,5 @@
+{
+  "//": "Remove this file after we migrate to ESM.",
+  "description": "Make Node.js treat .js files in this directory as module",
+  "type": "module"
+}
\ No newline at end of file
diff --git a/tests_config/run_spec.js b/tests_config/run_spec.js
index 7fdbea85d..b63e8026c 100644
--- a/tests_config/run_spec.js
+++ b/tests_config/run_spec.js
@@ -1,8 +1,8 @@
-"use strict";
-
-const fs = require("fs");
-const path = require("path");
-const raw = require("jest-snapshot-serializer-raw").wrap;
+import fs from "fs";
+import path from "path";
+import url from "url";
+import { wrap as raw } from "jest-snapshot-serializer-raw";
+import { prettier, plugin } from "./get_engine.js";
 
 const { AST_COMPARE, TEST_CRLF } = process.env;
 
@@ -10,9 +10,9 @@ const CURSOR_PLACEHOLDER = "<|>";
 const RANGE_START_PLACEHOLDER = "<<<PRETTIER_RANGE_START>>>";
 const RANGE_END_PLACEHOLDER = "<<<PRETTIER_RANGE_END>>>";
 
-const { prettier, plugin } = require("./get_engine");
+global.run_spec = (importMeta, parsers, options) => {
+  const dirname = path.dirname(url.fileURLToPath(importMeta.url));
 
-global.run_spec = (dirname, parsers, options) => {
   options = Object.assign({}, options, {
     plugins: [plugin, ...((options && options.plugins) || [])],
   });

From 5ce5d5691b921bd19895af30c1fe4b29aea60998 Mon Sep 17 00:00:00 2001
From: fisker <lionkay@gmail.com>
Date: Wed, 16 Aug 2023 16:57:27 +0800
Subject: [PATCH 2/2] final_new_line

---
 tests/package.json        | 2 +-
 tests_config/package.json | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/tests/package.json b/tests/package.json
index f80fdd058..0038dff32 100644
--- a/tests/package.json
+++ b/tests/package.json
@@ -2,4 +2,4 @@
   "//": "Remove this file after we migrate to ESM.",
   "description": "Make Node.js treat .js files in this directory as module",
   "type": "module"
-}
\ No newline at end of file
+}
diff --git a/tests_config/package.json b/tests_config/package.json
index f80fdd058..0038dff32 100644
--- a/tests_config/package.json
+++ b/tests_config/package.json
@@ -2,4 +2,4 @@
   "//": "Remove this file after we migrate to ESM.",
   "description": "Make Node.js treat .js files in this directory as module",
   "type": "module"
-}
\ No newline at end of file
+}