fix: contains regression (#677)

* fix: `contains` regression on string-like objects, #675

* chore: fix build docs on macos

bin/build-changelog.sh

@@ -1,17 +1,8 @@
 #!/usr/bin/env bash
 
-# Run `sed` in a way that's compatible with both macOS (BSD) and Linux (GNU)
-sedi() {
-  if [[ "$OSTYPE" == "darwin"* ]]; then
-    sed -i '' "$@"
-  else
-    sed -i "$@"
-  fi
-}
-
 cd docs
 cp ../CHANGELOG.md source/tutorials/changelog.md
-sedi \
+sed -i \
   -e 's/{%/{% raw %}{%{% endraw %}/g' \
   -e 's/{{/{% raw %}{{{% endraw %}/g' \
   -e '1 s/"/\"/g' \
@@ -20,7 +11,7 @@ sedi \
   source/tutorials/changelog.md
 cp source/tutorials/changelog.md source/zh-cn/tutorials/changelog.md
 
-sedi -e '1i\
+sed -i -e '1i\
  ---\ntitle: Changelog\nauto: true\n---\n' source/tutorials/changelog.md
-sedi -e '1i\
+sed -i -e '1i\
  ---\ntitle: 更新日志\nauto: true\n---\n' source/zh-cn/tutorials/changelog.md