Fixing the vue/no-parsing-error Invalid Tag Name Error in Vue #

Alright, let's tackle this parsing error without turning off any ESLint rules. Here's what's going on and how to fix it:

Why This Error Happens #

The vue/no-parsing-error rule is flagging your code because the deeply nested ternary expression in your template interpolation is confusing ESLint's Vue template parser. The parser struggles to correctly parse the conditional logic when it's nested that deeply without explicit grouping, leading it to incorrectly interpret part of the expression as invalid tag syntax.

Solution 1: Use a Computed Property (Recommended) #

Vue strongly recommends moving complex logic out of templates and into computed properties. This makes your template cleaner, easier to debug, and avoids parsing issues entirely.

Here's how to refactor your code:

1. Add a computed property to your component that handles the signal text logic:

computed: {
  signalText() {
    const { getPercentage, current, average } = this;
    
    if (getPercentage > 0 && getPercentage < 3) {
      return "Neutral";
    } else if (getPercentage > 3 && current < average) {
      return "Buy";
    } else {
      return "Sell";
    }
  }
}

2. Update your template to use the computed property instead of the inline ternary:

<div class="flex justify-center">
  <vs-chip v-if="current" class="text-base w-24" :color="color">
    {{ signalText }}
  </vs-chip>
</div>

Solution 2: Explicitly Group Conditions with Parentheses #

If you prefer to keep the logic in the template, you can wrap each conditional branch in parentheses to clarify the structure for the parser:

<div class="flex justify-center">
  <vs-chip v-if="current" class="text-base w-24" :color="color">
    {{ (getPercentage > 0 && getPercentage < 3) ? "Neutral" : ((getPercentage > 3 && current < average) ? "Buy" : "Sell") }}
  </vs-chip>
</div>

The parentheses explicitly group each conditional check, so the parser doesn't misinterpret the expression's structure.

内容的提问来源于stack exchange，提问作者Abdullah Ch