From b75fe9358cd77f133cbf97dcf664744b18ae9155 Mon Sep 17 00:00:00 2001
From: Moritz <mosum@google.com>
Date: Mon, 17 Feb 2025 14:27:09 +0100
Subject: [PATCH] Update readme

---
 pkgs/intl4x/hook/build.dart                   | 30 +++++++++++--------
 .../lib/src/hook_helpers/build_options.dart   |  4 +--
 pkgs/intl4x/pubspec.yaml                      |  2 --
 3 files changed, 20 insertions(+), 16 deletions(-)

diff --git a/pkgs/intl4x/hook/build.dart b/pkgs/intl4x/hook/build.dart
index 292e1732..771e582d 100644
--- a/pkgs/intl4x/hook/build.dart
+++ b/pkgs/intl4x/hook/build.dart
@@ -22,26 +22,32 @@ void main(List<String> args) async {
     if (buildOptions == null) {
       throw ArgumentError('''
 
-Unknown build mode for icu4x. Set the build mode with either `fetch`, `local`, or `checkout` by writing a config file at ~/intl4x.json:
+Unknown build mode for icu4x. Set the build mode with either `fetch`, `local`, or `checkout` by writing into your pubspec:
 * fetch: Fetch the precompiled binary from a CDN.
 ```
-{
-    "buildMode": "fetch"
-}
+...
+hook:
+  intl4x:
+    buildMode: fetch
+...
 ```
 * local: Use a locally existing binary at the environment variable `LOCAL_ICU4X_BINARY`.
 ```
-{
-    "buildMode": "local",
-    "localDylibPath": "path/to/dylib.so"
-}
+...
+hook:
+  intl4x:
+    buildMode: local
+    localDylibPath: path/to/dylib.so
+...
 ```
 * checkout: Build a fresh library from a local git checkout of the icu4x repository.
 ```
-{
-    "buildMode": "checkout",
-    "checkoutPath": "path/to/checkout"
-}
+...
+hook:
+  intl4x:
+    buildMode: checkout
+    checkoutPath: path/to/checkout
+...
 ```
 
 ''');
diff --git a/pkgs/intl4x/lib/src/hook_helpers/build_options.dart b/pkgs/intl4x/lib/src/hook_helpers/build_options.dart
index 87ba1866..988294d0 100644
--- a/pkgs/intl4x/lib/src/hook_helpers/build_options.dart
+++ b/pkgs/intl4x/lib/src/hook_helpers/build_options.dart
@@ -50,8 +50,8 @@ class BuildOptions {
   Map<String, dynamic> toMap() {
     return {
       'buildMode': buildMode.name,
-      'localDylibPath': localDylibPath,
-      'checkoutPath': checkoutPath,
+      if (localDylibPath != null) 'localDylibPath': localDylibPath,
+      if (checkoutPath != null) 'checkoutPath': checkoutPath,
     };
   }
 
diff --git a/pkgs/intl4x/pubspec.yaml b/pkgs/intl4x/pubspec.yaml
index ce1c7837..f4a58915 100644
--- a/pkgs/intl4x/pubspec.yaml
+++ b/pkgs/intl4x/pubspec.yaml
@@ -40,5 +40,3 @@ dev_dependencies:
 hook:
   intl4x:
     buildMode: fetch
-    localDylibPath: null
-    checkoutPath: null