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[Vue.js 3.0] API – Misc

# Misc

# name

  • Type: string

  • Details:

    Allow the component to recursively invoke itself in its template. Note that when a component is registered globally with Vue.createApp({}).component({}), the global ID is automatically set as its name.

    Another benefit of specifying a name option is debugging. Named components result in more helpful warning messages. Also, when inspecting an app in the vue-devtools(opens new window), unnamed components will show up as <AnonymousComponent>, which isn’t very informative. By providing the name option, you will get a much more informative component tree.

# delimiters

  • Type: Array<string>

  • Default: ['{{', '}}']

  • Restrictions: This option is only available in the full build, with in-browser template compilation.

  • Details:

    Sets the delimiters used for text interpolation within the template.

    Typically this is used to avoid conflicting with server-side frameworks that also use mustache syntax.

  • Example:

    Vue.createApp({
    // Delimiters changed to ES6 template string style
    delimiters: ['${', '}']
    })
    

# inheritAttrs

  • Type: boolean

  • Default: true

  • Details:

    By default, parent scope attribute bindings that are not recognized as props will “fallthrough”. This means that when we have a single-root component, these bindings will be applied to the root element of the child component as normal HTML attributes. When authoring a component that wraps a target element or another component, this may not always be the desired behavior. By setting inheritAttrs to false, this default behavior can be disabled. The attributes are available via the $attrs instance property and can be explicitly bound to a non-root element using v-bind.

  • Usage:

    app.component('base-input', {
    inheritAttrs: false,
    props: ['label', 'value'],
    emits: ['input'],
    template: `
    <label>
    {{ label }}
    <input
    v-bind="$attrs"
    v-bind:value="value"
    v-on:input="$emit('input', $event.target.value)"
    >
    </label>
    `
    })
    
  • See also: Disabling Attribute Inheritance

炫意HTML5 » [Vue.js 3.0] API – Misc

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