Package.describe({
  name: 'svelte:compiler',
  version: '2.13.5_2',
  summary: 'Svelte compiler',
  git: 'https://github.com/meteor-svelte/meteor-svelte.git',
  documentation: 'README.md'
});

Package.registerBuildPlugin({
  name: 'svelte-compiler',
  use: [
    'babel-compiler@6.24.7||7.0.0',
    'caching-compiler@1.1.11',
    'ecmascript@0.9.0'
  ],
  sources: [
    'SvelteCompiler.js',
    'plugin.js'
  ],
  npmDependencies: {
    '@babel/runtime': '7.1.2',
    'find-up': '2.1.0',
    htmlparser2: '3.9.2',
    'source-map': '0.5.6',
    svelte: '2.13.5'
  }
});

Package.onUse(function (api) {
  api.versionsFrom('1.6');
  api.use('isobuild:compiler-plugin@1.0.0');

  // Dependencies for compiled Svelte components (taken from `ecmascript`).
  api.imply([
    'modules',
    'ecmascript-runtime',
    'babel-runtime',
    'promise'
  ]);
});

Package.describe({
  name: 'svelte:compiler',
  version: '2.13.5_1',
  summary: 'Svelte compiler',
  git: 'https://github.com/meteor-svelte/meteor-svelte.git',
  documentation: 'README.md'
});

Package.registerBuildPlugin({
  name: 'svelte-compiler',
  use: [
    'babel-compiler@6.24.7||7.0.0',
    'caching-compiler@1.1.11',
    'ecmascript@0.9.0'
  ],
  sources: [
    'SvelteCompiler.js',
    'plugin.js'
  ],
  npmDependencies: {
    'find-up': '2.1.0',
    htmlparser2: '3.9.2',
    'source-map': '0.5.6',
    svelte: '2.13.5'
  }
});

Package.onUse(function (api) {
  api.versionsFrom('1.6');
  api.use('isobuild:compiler-plugin@1.0.0');

  // Dependencies for compiled Svelte components (taken from `ecmascript`).
  api.imply([
    'modules',
    'ecmascript-runtime',
    'babel-runtime',
    'promise'
  ]);
});

--- 
+++ 
@@ -1,6 +1,6 @@
 Package.describe({
   name: 'svelte:compiler',
-  version: '2.13.5_1',
+  version: '2.13.5_2',
   summary: 'Svelte compiler',
   git: 'https://github.com/meteor-svelte/meteor-svelte.git',
   documentation: 'README.md'
@@ -18,6 +18,7 @@
     'plugin.js'
   ],
   npmDependencies: {
+    '@babel/runtime': '7.1.2',
     'find-up': '2.1.0',
     htmlparser2: '3.9.2',
     'source-map': '0.5.6',
Add `@babel/runtime` to npm dependencies

As explained in the "Compiling compiler plugins after installation" section of https://blog.meteor.com/meteor-1-8-erases-the-debts-of-1-7-77af4c931fe3.
