vue-devtools/packages/shell-dev-vue3/src/Mixins.vue

<script>
export default {
  extends: {
    extends: {
      data() {
        return {
          dataFromExtendsExtends: 'hey',
        }
      },

      computed: {
        computedFromExtendsExtends() {
          return `extends extends:${this.dataFromMixinExtends}`
        },
      },

      inject: {
        meow: {
          from: 'cat',
          default: 'Meow',
        },
      },
    },

    mixins: [
      {
        data() {
          return {
            dataFromExtendsMixin: 'cat',
          }
        },

        computed: {
          computedFromExtendsMixin() {
            return `extends mixin:${this.dataFromMixinMixin}`
          },
        },
      },
    ],

    data() {
      return {
        dataFromExtends: 'meow',
      }
    },

    computed: {
      computedFromExtends() {
        return `extends:${this.dataFromExtends}`
      },
    },
  },
  mixins: [
    {
      extends: {
        data() {
          return {
            dataFromMixinExtends: 'cheese',
          }
        },

        computed: {
          computedFromMixinExtends() {
            return `mixin extends:${this.dataFromMixinExtends}`
          },
        },
      },

      mixins: [
        {
          data() {
            return {
              dataFromMixinMixin: 'waf',
            }
          },

          computed: {
            computedFromMixinMixin() {
              return `mixin mixin:${this.dataFromMixinMixin}`
            },
          },
        },
      ],

      data() {
        return {
          dataFromMixin: '42',
        }
      },

      computed: {
        computedFromMixin() {
          return `mixin:${this.dataFromMixin}`
        },
      },
    },
  ],
}
</script>

<template>
  <input v-model="dataFromExtends">
  {{ computedFromExtends }}
  <input v-model="dataFromMixin">
  {{ computedFromMixin }}
</template>