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@FloEdelmann
Description
Please describe what the rule should do:
When emitting an event, one can pass an event payload. This can consist of multiple parameters. However, when using the always style in the event handler, one can only receive the first event payload parameter.
<my-button @my-event="myHandler($event)" />
See also the vue/v-on-function-call rule and #2001 (comment).
What category should the rule belong to?
[ ] Enforces code style (layout)
[x] Warns about a potential error (problem)
[ ] Suggests an alternate way of doing something (suggestion)
[ ] Other (please specify:)
Provide 2-3 code examples that this rule should warn about:
// BAD: this.$emit('my-event', foo, bar) emit('my-event', foo, bar) defineEmits({ 'my-event': (foo, bar) => true }) defineEmits({ 'my-event': (foo: string, bar: string) => true }) defineEmits<{ (e: 'my-event', foo: string, bar: string): void }>() { emits: { 'my-event': (foo, bar) => true } } { emits: { 'my-event': (foo: string, bar: string) => true } } // GOOD: this.$emit('my-event', foo) emit('my-event', foo) defineEmits(['my-event']) defineEmits({ 'my-event': null }) defineEmits({ 'my-event': (foo) => true }) defineEmits({ 'my-event': (foo: string) => true }) defineEmits<{ (e: 'my-event', foo: string): void }>() { emits: ['my-event'] } { emits: { 'my-event': null } { emits: { 'my-event': (foo) => true } } { emits: { 'my-event': (foo: string) => true } }