Add onSettingsPage export

packages/examples/README.md

@@ -66,6 +66,9 @@ The following is a list of the snaps in this directory.
 - [**`packages/notifications`**](./packages/notifications): This snap
   demonstrates how to use the `snap_notify` method to display notifications to
   the user, either as a MetaMask notification or as a desktop notification.
+- [**`packages/settings-page`**](./packages/settings-page):
+  This snap demonstrates how to use `endowment:page-settings` permission,
+  showing a settings page to the user.
 - [**`packages/transaction-insights`**](./packages/transaction-insights):
   This snap demonstrates how to use `endowment:transaction-insights` permission,
   and provide transaction insights to the user.

packages/examples/packages/browserify-plugin/snap.manifest.json

@@ -7,7 +7,7 @@
     "url": "https://github.com/MetaMask/snaps.git"
   },
   "source": {
-    "shasum": "eug1Oxfxo/X97epSDNuF3elpxJUBNGgPgfvvmVxShxo=",
+    "shasum": "vr/JCeU5DXN3CeJIeLbZmr44rFnq+BGqQPng7kVxZGY=",
     "location": {
       "npm": {
         "filePath": "dist/bundle.js",

packages/examples/packages/browserify/snap.manifest.json

@@ -7,7 +7,7 @@
     "url": "https://github.com/MetaMask/snaps.git"
   },
   "source": {
-    "shasum": "Jh7Kcnzc5flRZM4SL8yQnMBj99YrmU91iLLaIxH2o/k=",
+    "shasum": "4diRqHxV2Sr2wHuyoP1dL/WcSbS6HSVzxkDL+Iv0JNM=",
     "location": {
       "npm": {
         "filePath": "dist/bundle.js",

packages/examples/packages/settings-page/.depcheckrc.json

@@ -0,0 +1,18 @@
+{
+  "ignore-patterns": ["dist", "coverage"],
+  "ignores": [
+    "@lavamoat/allow-scripts",
+    "@lavamoat/preinstall-always-fail",
+    "@metamask/auto-changelog",
+    "@metamask/eslint-*",
+    "@types/*",
+    "@typescript-eslint/*",
+    "eslint-config-*",
+    "eslint-plugin-*",
+    "jest-silent-reporter",
+    "prettier-plugin-packagejson",
+    "ts-node",
+    "typedoc",
+    "typescript"
+  ]
+}

packages/examples/packages/settings-page/.eslintrc.js

@@ -0,0 +1,7 @@
+module.exports = {
+  extends: ['../../.eslintrc.js'],
+
+  parserOptions: {
+    tsconfigRootDir: __dirname,
+  },
+};

packages/examples/packages/settings-page/CHANGELOG.md

@@ -0,0 +1,10 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+[Unreleased]: https://github.com/MetaMask/snaps/

packages/examples/packages/settings-page/LICENSE.APACHE2

@@ -0,0 +1,201 @@
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packages/examples/packages/settings-page/LICENSE.MIT0

@@ -0,0 +1,16 @@
+MIT No Attribution
+
+Copyright 2024 Consensys Software Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this
+software and associated documentation files (the "Software"), to deal in the Software
+without restriction, including without limitation the rights to use, copy, modify,
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+permit persons to whom the Software is furnished to do so.
+
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+INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
+PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

packages/examples/packages/settings-page/README.md

@@ -0,0 +1,24 @@
+# `@metamask/settings-page-example-snap`
+
+This snap demonstrates how to use `endowment:page-settings` permission to show
+a settings page that leverages custom UI components.
+
+This endowment is initially restricted to preinstalled snaps only.
+
+## Snap manifest
+
+The manifest of this snap includes the `endowment:page-settings` permission:
+
+```json
+{
+  "initialPermissions": {
+    "endowment:page-settings": {}
+  }
+}
+```
+
+This permission does not require any additional configuration.
+
+## Snap usage
+
+This snap exposes an `onSettingsPage` handler, which returns the UI to be shown.

packages/examples/packages/settings-page/jest.config.js

@@ -0,0 +1,36 @@
+const deepmerge = require('deepmerge');
+
+const baseConfig = require('../../../../jest.config.base');
+
+module.exports = deepmerge(baseConfig, {
+  preset: '@metamask/snaps-jest',
+
+  // Since `@metamask/snaps-jest` runs in the browser, we can't collect
+  // coverage information.
+  collectCoverage: false,
+
+  // This is required for the tests to run inside the `MetaMask/snaps`
+  // repository. You don't need this in your own project.
+  moduleNameMapper: {
+    '^@metamask/(.+)/production/jsx-runtime': [
+      '<rootDir>/../../../$1/src/jsx/production/jsx-runtime',
+      '<rootDir>/../../../../node_modules/@metamask/$1/jsx/production/jsx-runtime',
+      '<rootDir>/node_modules/@metamask/$1/jsx/production/jsx-runtime',
+    ],
+    '^@metamask/(.+)/jsx': [
+      '<rootDir>/../../../$1/src/jsx',
+      '<rootDir>/../../../../node_modules/@metamask/$1/jsx',
+      '<rootDir>/node_modules/@metamask/$1/jsx',
+    ],
+    '^@metamask/(.+)/node$': [
+      '<rootDir>/../../../$1/src/node',
+      '<rootDir>/../../../../node_modules/@metamask/$1/node',
+      '<rootDir>/node_modules/@metamask/$1/node',
+    ],
+    '^@metamask/(.+)$': [
+      '<rootDir>/../../../$1/src',
+      '<rootDir>/../../../../node_modules/@metamask/$1',
+      '<rootDir>/node_modules/@metamask/$1',
+    ],
+  },
+});