perf(zwc): spaceship::precompile compiles sources to zwc

lib/core.zsh

@@ -18,7 +18,8 @@ spaceship::core::load_sections() {
       # Custom section is declared, nothing else to do
       continue
     elif [[ -f "$SPACESHIP_ROOT/sections/$section.zsh" ]]; then
-      source "$SPACESHIP_ROOT/sections/$section.zsh"
+      builtin source "$SPACESHIP_ROOT/sections/$section.zsh"
+      spaceship::precompile "$SPACESHIP_ROOT/sections/$section.zsh"
     else
       # section is not found!
       spaceship::core::skip_section "$section"

lib/utils.zsh

@@ -18,6 +18,19 @@ spaceship::defined() {
   typeset -f + "$1" &> /dev/null
 }
 
+# Precompile zsh file to ZWC (zsh word code)
+# USAGE:
+#  spaceship::precomile <file>
+spaceship::precompile() {
+  spaceship::exists zcompile || return 1
+
+  local file="$1"
+
+  if [[ ! $file.zwc -nt $file && -w "$(dirname $1)" ]]; then
+    zcompile -R -- $file.zwc $file
+  fi
+}
+
 # Check if the current directory is in a Git repository.
 # USAGE:
 #   spaceship::is_git

spaceship.zsh

@@ -128,29 +128,21 @@ fi
 # Spaceship utils/hooks/etc
 # ------------------------------------------------------------------------------
 
-# Load utils
-source "$SPACESHIP_ROOT/lib/utils.zsh"
-
-# Load cache
-source "$SPACESHIP_ROOT/lib/cache.zsh"
-
-# Load hooks
-source "$SPACESHIP_ROOT/lib/hooks.zsh"
-
-# Load section utils
-source "$SPACESHIP_ROOT/lib/section.zsh"
-
-# Load prompt renderer
-source "$SPACESHIP_ROOT/lib/core.zsh"
-
-# Load functions for composing prompts
-source "$SPACESHIP_ROOT/lib/prompts.zsh"
-
-# Load command line interface
-source "$SPACESHIP_ROOT/lib/cli.zsh"
-
-# Load testkit
-source "$SPACESHIP_ROOT/lib/testkit.zsh"
+readonly SPACESHIP_LIBS=(
+  "lib/utils.zsh"   # General porpuse utils
+  "lib/cache.zsh"   # Cache utils
+  "lib/hooks.zsh"   # Zsh hooks
+  "lib/section.zsh" # Section utils
+  "lib/core.zsh"    # Core functions for loading and rendering
+  "lib/prompts.zsh" # Composing prompt variables
+  "lib/cli.zsh"     # CLI interface
+  "lib/testkit.zsh" # Testing utils
+)
+
+for lib in "${SPACESHIP_LIBS[@]}"; do
+  builtin source "$SPACESHIP_ROOT/$lib"
+  spaceship::precompile "$SPACESHIP_ROOT/$lib"
+done
 
 # ------------------------------------------------------------------------------
 # BACKWARD COMPATIBILITY WARNINGS