Cannot read property 'hasOwnProperty' of undefined

[wilco-superbalist]

Running "vue-meta": "^1.5.5"

Cannot read property 'hasOwnProperty' of undefined on some route changes, not consistent. I have seen Cannot read property 'title' of undefined on previous versions, might be related.

Project based on https://github.com/vuejs/vue-hackernews-2.0

affected section in vue-meta.js:

  if (deep && component.$children.length) {
    component.$children.forEach(function (childComponent) {
      result = getComponentOption({
        component: childComponent,
        option: option,
        deep: deep,
        arrayMerge: arrayMerge
      }, result);
    });
  }
  if (metaTemplateKeyName && result.hasOwnProperty('meta')) {
    result.meta = Object.keys(result.meta).map(function (metaKey) {
      var metaObject = result.meta[metaKey];
      if (!metaObject.hasOwnProperty(metaTemplateKeyName) || !metaObject.hasOwnProperty(contentKeyName) || typeof metaObject[metaTemplateKeyName] === 'undefined') {
        return result.meta[metaKey]
      }

      var template = metaObject[metaTemplateKeyName];
      delete metaObject[metaTemplateKeyName];

      if (template) {
        metaObject.content = typeof template === 'function' ? template(metaObject.content) : template.replace(/%s/g, metaObject.content);
      }

      return metaObject
    });
  }
  return result
}

[arenddeboer]

Hi Wilco, did you find a solution ? I'm running into the same issue.

[manniL]

Needs reproduction.

[pimlie]

When testing this it seems to be triggered by not returning anything from metaInfo (or head in nuxt) as mentioned in the linked issue

[pimlie]

Closing as changes for this issue are included in the v2 release candidate. Please help us testing the release candidate and report any follow-ups in a new issue