Add miniprogram plugin

packages/knip/fixtures/plugins/miniprogram/app-project/app.js

@@ -0,0 +1,10 @@
+App({
+  onLaunch() {
+    // Create worker
+    const worker = wx.createWorker('workers/request');
+
+    worker.onMessage((msg) => {
+      console.log(msg);
+    });
+  }
+}); 

packages/knip/fixtures/plugins/miniprogram/app-project/app.json

@@ -0,0 +1,23 @@
+{
+  "pages": [
+    "pages/index/index"
+  ],
+  "window": {
+    "navigationBarTitleText": "Mini Program"
+  },
+  "usingComponents": {
+    "missing-header": "/components/missing-header/index",
+    "used-footer": "/components/used-footer/index"
+  },
+  "workers": "workers/missing-worker.ts",
+  "tabBar": {
+    "list": [
+      {
+        "pagePath": "pages/index/index",
+        "text": "Home",
+        "iconPath": "images/missing-icon.png",
+        "selectedIconPath": "images/used-icon.png"
+      }
+    ]
+  }
+} 

packages/knip/fixtures/plugins/miniprogram/app-project/app.wxss

@@ -0,0 +1,5 @@
+@import "/styles/missing-theme";
+
+page {
+  background: #f8f8f8;
+} 

packages/knip/fixtures/plugins/miniprogram/app-project/components/unused-button/index.js

@@ -0,0 +1,6 @@
+Component({
+  properties: {
+    type: String,
+    text: String
+  }
+}); 

packages/knip/fixtures/plugins/miniprogram/app-project/components/unused-button/index.json

@@ -0,0 +1,3 @@
+{
+  "component": true
+} 

packages/knip/fixtures/plugins/miniprogram/app-project/components/unused-counter/index.json

@@ -0,0 +1,3 @@
+{
+  "component": true
+} 

packages/knip/fixtures/plugins/miniprogram/app-project/components/unused-counter/index.ts

@@ -0,0 +1,15 @@
+interface IProps {
+  count: number;
+  onIncrement: () => void;
+}
+
+Component<IProps>({
+  properties: {
+    count: Number
+  },
+  methods: {
+    handleTap() {
+      this.triggerEvent('increment');
+    }
+  }
+}); 

packages/knip/fixtures/plugins/miniprogram/app-project/components/used-footer/index.js

@@ -0,0 +1,5 @@
+Component({
+  properties: {
+    text: String
+  }
+}); 

packages/knip/fixtures/plugins/miniprogram/app-project/components/used-footer/index.json

@@ -0,0 +1,3 @@
+{
+  "component": true
+} 

packages/knip/fixtures/plugins/miniprogram/app-project/knip.json

@@ -0,0 +1,9 @@
+{
+  "$schema": "https://unpkg.com/knip@2/schema.json",
+  "paths": {
+    "@components/*": ["components/*"],
+    "@utils/*": ["utils/*"],
+    "@styles/*": ["styles/*"],
+    "~/*": ["*"]
+  }
+} 

packages/knip/fixtures/plugins/miniprogram/app-project/package.json

@@ -0,0 +1,7 @@
+{
+  "name": "miniprogram-test",
+  "version": "1.0.0",
+  "devDependencies": {
+    "miniprogram-api-typings": "*"
+  }
+} 

packages/knip/fixtures/plugins/miniprogram/app-project/pages/index/helper.wxs

@@ -0,0 +1,7 @@
+var common = require('./missing-common.wxs');
+var usedDate = require('./used-date.wxs');
+
+module.exports = {
+  format: common.format,
+  usedDate: usedDate.format
+}; 

packages/knip/fixtures/plugins/miniprogram/app-project/pages/index/index.json

@@ -0,0 +1,8 @@
+{
+  "usingComponents": {
+    "missing-button": "@components/missing-button",
+    "missing-helper": "~/utils/missing-helper",
+    "missing-footer": "./missing-footer",
+    "used-counter": "../used-counter"
+  }
+} 

packages/knip/fixtures/plugins/miniprogram/app-project/pages/index/index.ts

@@ -0,0 +1,13 @@
+import { formatDate } from '~/utils/missing-date';
+
+Page({
+  data: {
+    now: Date.now(),
+    text: ''
+  },
+  onLoad() {
+    this.setData({
+      text: formatDate(this.data.now)
+    });
+  }
+}); 

packages/knip/fixtures/plugins/miniprogram/app-project/pages/index/index.wxml

@@ -0,0 +1,16 @@
+<wxs src="/utils/missing-format.wxs" module="format" />
+<wxs src="./helper.wxs" module="helper" />
+
+<import src="/templates/missing-list.wxml" />
+<import src="/templates/used-list.wxml" />
+
+<include src="/templates/used-item.wxml" />
+<include src="/templates/missing-item.wxml" />
+
+<view class="container">
+  <image src="/images/missing-logo.png" />
+  <image src="/images/used-logo.png" />
+
+  <template is="missing-list" data="{{items}}" />
+  <template is="used-item" data="{{text}}" />
+</view> 

packages/knip/fixtures/plugins/miniprogram/app-project/pages/index/index.wxss

@@ -0,0 +1,6 @@
+@import "/styles/missing-theme.wxss";
+@import "/styles/used-theme.wxss";
+
+.container {
+  padding: 20px;
+} 

packages/knip/fixtures/plugins/miniprogram/app-project/pages/index/used-date.wxs

@@ -0,0 +1,8 @@
+function format(timestamp) {
+  var date = getDate(timestamp);
+  return date.getFullYear() + '-' + (date.getMonth() + 1) + '-' + date.getDate();
+}
+
+module.exports = {
+  format: format
+}; 

packages/knip/fixtures/plugins/miniprogram/app-project/sitemap.json

@@ -0,0 +1,15 @@
+{
+  "desc": "Configuration for WeChat search crawling",
+  "rules": [
+    {
+      "action": "allow",
+      "page": "pages/index/index",
+      "params": ["id"],
+      "matching": "exact"
+    },
+    {
+      "action": "disallow",
+      "page": "pages/private/*"
+    }
+  ]
+} 

packages/knip/fixtures/plugins/miniprogram/app-project/styles/unused-theme.wxss

@@ -0,0 +1,4 @@
+.unused-theme {
+  color: #333;
+  background: #fff;
+} 

packages/knip/fixtures/plugins/miniprogram/app-project/styles/used-theme.wxss

@@ -0,0 +1,4 @@
+.unused-theme {
+  color: #333;
+  background: #fff;
+} 

packages/knip/fixtures/plugins/miniprogram/app-project/templates/unused-card.wxml

@@ -0,0 +1,6 @@
+<template name="unused-card">
+  <view class="card">
+    <view class="title">{{title}}</view>
+    <view class="content">{{content}}</view>
+  </view>
+</template> 

packages/knip/fixtures/plugins/miniprogram/app-project/templates/used-item.wxml

@@ -0,0 +1,3 @@
+<template name="used-item">
+  <view class="item">{{text}}</view>
+</template> 

packages/knip/fixtures/plugins/miniprogram/app-project/wxs/unused-format.wxs

@@ -0,0 +1,7 @@
+function format(number) {
+  return number.toFixed(2);
+}
+
+module.exports = {
+  format: format
+}; 

packages/knip/schema.json

@@ -404,6 +404,10 @@
           "title": "metro plugin configuration (https://knip.dev/reference/plugins/metro)",
           "$ref": "#/definitions/plugin"
         },
+        "miniprogram": {
+          "title": "miniprogram plugin configuration (https://knip.dev/reference/plugins/miniprogram)",
+          "$ref": "#/definitions/plugin"
+        },
         "mocha": {
           "title": "Mocha plugin configuration (https://knip.dev/reference/plugins/mocha)",
           "$ref": "#/definitions/plugin"

packages/knip/src/compilers/index.ts

@@ -2,6 +2,7 @@ import type { RawConfiguration } from '../types/config.js';
 import type { DependencySet } from '../types/workspace.js';
 import Astro from './astro.js';
 import MDX from './mdx.js';
+import Miniprogram from './miniprogram.js';
 import Svelte from './svelte.js';
 import type { AsyncCompilerFn, AsyncCompilers, SyncCompilerFn, SyncCompilers } from './types.js';
 import Vue from './vue.js';
@@ -37,6 +38,10 @@ const compilers = new Map([
   ['.mdx', MDX],
   ['.svelte', Svelte],
   ['.vue', Vue],
+  ['.wxml', Miniprogram.wxml],
+  ['.wxss', Miniprogram.wxss],
+  ['.wxs', Miniprogram.wxs],
+  ['.json', Miniprogram.json],
 ]);
 
 export const getIncludedCompilers = (

packages/knip/src/compilers/miniprogram.ts

@@ -0,0 +1,24 @@
+import { parseWxml, parseWxs, parseWxss } from '../plugins/miniprogram/parser.js';
+import type { HasDependency } from './types.js';
+
+// Enable compilers when miniprogram-api-typings is present (indicating a Mini Program project)
+const isMiniprogramProject = (hasDependency: HasDependency) => {
+  return hasDependency('miniprogram-api-typings');
+};
+
+// We don't parse JSON files in the compiler because:
+// 1. When a component path is referenced (e.g. "./foobar"), we can't determine if it's:
+//    - "./foobar.json" (single file) or
+//    - "./foobar/index.json" (directory)
+// 2. The only purpose of this JSON compiler is to make getCompilerExtensions include
+//    JSON files as project files, so they can be analyzed for usage
+const parseJson = (text: string) => {
+  return text;
+};
+
+const wxml = { condition: isMiniprogramProject, compiler: parseWxml };
+const wxss = { condition: isMiniprogramProject, compiler: parseWxss };
+const wxs = { condition: isMiniprogramProject, compiler: parseWxs };
+const json = { condition: isMiniprogramProject, compiler: parseJson };
+
+export default { wxml, wxss, wxs, json };

packages/knip/src/plugins/index.ts

@@ -31,6 +31,7 @@ import { default as lockfileLint } from './lockfile-lint/index.js';
 import { default as lostPixel } from './lost-pixel/index.js';
 import { default as markdownlint } from './markdownlint/index.js';
 import { default as metro } from './metro/index.js';
+import { default as miniprogram } from './miniprogram/index.js';
 import { default as mocha } from './mocha/index.js';
 import { default as moonrepo } from './moonrepo/index.js';
 import { default as msw } from './msw/index.js';
@@ -123,6 +124,7 @@ export const Plugins = {
   'lost-pixel': lostPixel,
   markdownlint,
   metro,
+  miniprogram,
   mocha,
   moonrepo,
   msw,