You have probably noticed that while we declare variables describing components in CamelCase (var HelloComponent=Vue.extend({...})), we name them in kebab-case: Vue.component('hello-component', {...}).
Source: wiktionary
Kebab-case
Synonyms for "kebab-case"
Ranked by relevance and common usage.
Sample sentences
3 total sentences available.
The HTML view and JavaScript files are named using kebab-case, for example, book-list.html, where the name is made up of lower-case words separated by a hyphen.
Source: wiktionary
Use camelCase or “kebab-case” when using object syntax, as seen in the following example: […]
Source: wiktionary