Function allNotBlank

allNotBlank(texts?): boolean
Returns whether all the given texts are not blank
Parameters
- Optionaltexts: (undefined | null | string)[]
  the texts to check
Returns boolean
whether all the given texts are not blank
Example
```
allNotBlank([null, undefined]);    // false
allNotBlank([null, 'world']);    // false
allNotBlank(['foo', 'bar']);    // true
```