vant

utils/dist/checkbox-group/index.d.ts

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+export {};

utils/dist/checkbox-group/index.js

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+import { VantComponent } from '../common/component';
+VantComponent({
+    field: true,
+    relation: {
+        name: 'checkbox',
+        type: 'descendant',
+        linked(target) {
+            this.children = this.children || [];
+            this.children.push(target);
+            this.updateChild(target);
+        },
+        unlinked(target) {
+            this.children = this.children.filter((child) => child !== target);
+        }
+    },
+    props: {
+        max: Number,
+        value: {
+            type: Array,
+            observer: 'updateChildren'
+        },
+        disabled: {
+            type: Boolean,
+            observer: 'updateChildren'
+        }
+    },
+    methods: {
+        updateChildren() {
+            (this.children || []).forEach((child) => this.updateChild(child));
+        },
+        updateChild(child) {
+            const { value, disabled } = this.data;
+            child.setData({
+                value: value.indexOf(child.data.name) !== -1,
+                disabled: disabled || child.data.disabled
+            });
+        }
+    }
+});

utils/dist/checkbox-group/index.json

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+{
+  "component": true
+}

utils/dist/checkbox-group/index.wxml

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+<slot />

utils/dist/checkbox-group/index.wxss

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+@import '../common/index.wxss';