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@property in vue components

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I am on the project with Vue.js, and it's the first time I see that type of thing @property etc. Can anyone explain to me what this thing is?

P.S. with global search I cannot find references in my project folder, so don't know where it's derived from

I just tried to search the property name with Ctrl+Shift+F inside the project folder. That's about it. Just want to know something about this pattern.

Solution

  • It's just documenting the component arguments/properties.

    From the docunentation:

     If your event returns arguments/properties use the @property tag to describe them

    /**
 * Triggers when the number changes
 *
 * @property {number} newValue new value set
 * @property {number} oldValue value that was set before the change
 */

this.$emit('change', newValue, oldValue)