Vue event emissions are not triggered or detected

This is the functionality of the Child Component:

registerUser() {
  if (this.$refs.form.validate()) {
    this.$emit('showLoader', true); // Triggers
    this.$fireAuth
      .createUserWithEmailAndPassword(this.email, this.password)
      .then(() => {
        this.$toast('Registration successful'); // Triggers
        this.$emit('showLoader', false); // Does not trigger
        this.$emit('closeModal'); // Does not trigger
      })
      .catch(error => {
        const errorCode = error.code;
        let errorMsg = '';
        if (errorCode === 'auth/weak-password') {
          errorMsg = 'Password is too weak.';
        } else if (errorCode === 'auth/email-already-in-use') {
          errorMsg = 'Email is already in use.';
        } else errorMsg = error.message;

        this.$toast(errorMsg, {
          color: 'red',
          dismissable: true,
          x: 'center',
          y: 'top'
        });

        this.$emit('showLoader', false); // Does not trigger
      });
  }
}

The emits I mentioned above do not fire even when the code block is reached. Below is how the parent component is set up:

<sign-up
   @closeModal="closeDialog"
   @showLoader="toggleLoading"
>
</sign-up>

Answer №1

It seems like everything is in order, but I suspect that the issue may be related to this.$toast.

To troubleshoot, try removing it and see if the code successfully reaches the final line within either the then or catch blocks.

Answer №2

Just a heads up, the context of this can get tricky inside nested functions. To avoid confusion, set var me = this at the beginning of your closure and refer to it consistently throughout.

On another note, I noticed that you're handling some heavy lifting related to application scope (like creating new users) within a Vue component and relying heavily on $emit. There might be a more efficient approach. Consider moving these tasks out of Vue and into global scope where they can directly impact a store, utilizing Vue's reactivity system instead of relying solely on events for updates.

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