From 43ee24bd461af76030c639a2c8d22dcc52b1d0b8 Mon Sep 17 00:00:00 2001
From: Mike Bloy <mike@bloy.org>
Date: Sun, 26 Feb 2023 23:27:50 -0600
Subject: [PATCH] helpers and modules

---
 module.json        |  2 +-
 scripts/api.js     | 15 +++++++++++++++
 scripts/helpers.js | 14 ++++++++++++++
 scripts/module.ejs |  0
 scripts/module.js  | 16 ++++++++++++++++
 5 files changed, 46 insertions(+), 1 deletion(-)
 create mode 100644 scripts/api.js
 create mode 100644 scripts/helpers.js
 delete mode 100644 scripts/module.ejs
 create mode 100644 scripts/module.js

diff --git a/module.json b/module.json
index 22b04c9..1bc5422 100644
--- a/module.json
+++ b/module.json
@@ -16,7 +16,7 @@
         "verified": "10"
     },
     "esmodules": [
-        "./scripts/module.ejs"
+        "./scripts/module.js"
     ],
     "packs": [
         {
diff --git a/scripts/api.js b/scripts/api.js
new file mode 100644
index 0000000..baa5bd2
--- /dev/null
+++ b/scripts/api.js
@@ -0,0 +1,15 @@
+import { helpers } from './helpers.js'
+
+export class api {
+  static registerFunctions () {
+    console.log('SWADE MB Helpers initialized')
+    api.globals()
+  }
+
+  static globals () {
+    globalThis.swadeMBHelpers = {
+      DEBUG: true,
+      runOnTargetOrSelectedTokens: helpers.runOnTargetOrSelectedTokens
+    }
+  }
+}
diff --git a/scripts/helpers.js b/scripts/helpers.js
new file mode 100644
index 0000000..8a283da
--- /dev/null
+++ b/scripts/helpers.js
@@ -0,0 +1,14 @@
+export class helpers {
+  static runOnTargetOrSelectedTokens (runFunc) {
+    let tokens = []
+    const targets = Array.from(game.user.targets)
+    if (targets.length > 0) tokens = targets
+    if (canvas.tokens.controlled.length > 0) tokens = canvas.tokens.controlled
+
+    if (tokens.length > 0) {
+      runFunc(tokens)
+    } else {
+      ui.notifications.error('Please select or target a token')
+    }
+  }
+}
diff --git a/scripts/module.ejs b/scripts/module.ejs
deleted file mode 100644
index e69de29..0000000
diff --git a/scripts/module.js b/scripts/module.js
new file mode 100644
index 0000000..adfcc12
--- /dev/null
+++ b/scripts/module.js
@@ -0,0 +1,16 @@
+import { api } from './api.js'
+
+function _checkModule (name) {
+  if (!game.modules.get(name)?.active && game.user.isGM) {
+    let action = 'install and activate'
+    if (game.modules.get(name)) action = 'activate'
+    ui.notifications.error(
+            `SWADE MB Helpers requires the ${name} module. Please ${action} it.`)
+  }
+}
+
+Hooks.on('setup', api.registerFunctions)
+
+Hooks.on('ready', () => {
+  _checkModule('warpgate')
+})