fix(core): make window.__TAURI__.invoke context free, fixes #1547 (#1565)

Author: lucasfernog

.changes/invoke-context.md

@@ -0,0 +1,5 @@
+---
+"tauri": patch
+---
+
+Allow `window.__TAURI__.invoke` to be moved to another variable.

.github/workflows/test-core.yml

@@ -10,7 +10,7 @@ on:
       - '.github/workflows/test-core.yml'
       - 'core/**'
       - 'examples/**'
-      - 'cli/**'
+      - 'tooling/**'
 
 env:
   RUST_BACKTRACE: 1

core/tauri/scripts/core.js

@@ -93,14 +93,12 @@ if (!String.prototype.startsWith) {
   };
 
   window.__TAURI__.invoke = function invoke(cmd, args = {}) {
-    var _this = this;
-
     return new Promise(function (resolve, reject) {
-      var callback = _this.transformCallback(function (r) {
+      var callback = window.__TAURI__.transformCallback(function (r) {
         resolve(r);
         delete window[error];
       }, true);
-      var error = _this.transformCallback(function (e) {
+      var error = window.__TAURI__.transformCallback(function (e) {
         reject(e);
         delete window[callback];
       }, true);

tooling/cli.js/jest.config.js

@@ -42,5 +42,6 @@ module.exports = {
   transform: {
     '\\.toml$': 'jest-transform-toml',
     '\\.(js|ts)$': 'babel-jest'
-  }
+  },
+  transformIgnorePatterns: ['node_modules/(?!(is-png|imagemin|p-pipe)/)']
 }