chore: move .hbs templates into .js to facilitate webpacking (#1320)

lib/completion-templates.js

@@ -0,0 +1,49 @@
+exports.completionShTemplate =
+`###-begin-{{app_name}}-completions-###
+#
+# yargs command completion script
+#
+# Installation: {{app_path}} {{completion_command}} >> ~/.bashrc
+#    or {{app_path}} {{completion_command}} >> ~/.bash_profile on OSX.
+#
+_yargs_completions()
+{
+    local cur_word args type_list
+
+    cur_word="\${COMP_WORDS[COMP_CWORD]}"
+    args=("\${COMP_WORDS[@]}")
+
+    # ask yargs to generate completions.
+    type_list=$({{app_path}} --get-yargs-completions "\${args[@]}")
+
+    COMPREPLY=( $(compgen -W "\${type_list}" -- \${cur_word}) )
+
+    # if no match was found, fall back to filename completion
+    if [ \${#COMPREPLY[@]} -eq 0 ]; then
+      COMPREPLY=()
+    fi
+
+    return 0
+}
+complete -o default -F _yargs_completions {{app_name}}
+###-end-{{app_name}}-completions-###
+`
+
+exports.completionZshTemplate = `###-begin-{{app_name}}-completions-###
+#
+# yargs command completion script
+#
+# Installation: {{app_path}} {{completion_command}} >> ~/.zshrc
+#    or {{app_path}} {{completion_command}} >> ~/.zsh_profile on OSX.
+#
+_{{app_name}}_yargs_completions()
+{
+  local reply
+  local si=$IFS
+  IFS=$'\n' reply=($(COMP_CWORD="$((CURRENT-1))" COMP_LINE="$BUFFER" COMP_POINT="$CURSOR" {{app_path}} --get-yargs-completions "\${words[@]}"))
+  IFS=$si
+  _describe 'values' reply
+}
+compdef _{{app_name}}_yargs_completions {{app_name}}
+###-end-{{app_name}}-completions-###
+`

lib/completion.js

@@ -1,5 +1,4 @@
 'use strict'
-const fs = require('fs')
 const path = require('path')
 
 // add bash completions to your
@@ -92,10 +91,8 @@ module.exports = function completion (yargs, usage, command) {
 
   // generate the completion script to add to your .bashrc.
   self.generateCompletionScript = function generateCompletionScript ($0, cmd) {
-    let script = fs.readFileSync(
-      path.resolve(__dirname, zshShell ? '../completion.zsh.hbs' : '../completion.sh.hbs'),
-      'utf-8'
-    )
+    const templates = require('./completion-templates')
+    let script = zshShell ? templates.completionZshTemplate : templates.completionShTemplate
     const name = path.basename($0)
 
     // add ./to applications not yet installed as bin.