Ember Truth Helpers
HTMLBars template helpers for additional truth logic in if
and unless
statements.
Compatibility
- Ember.js v3.16 or above
- Ember CLI v2.13 or above
- Node.js v10 or above
Installation
ember install ember-truth-helpers
Usage
Helper | JavaScript | HTMLBars | Variable argument count allowed |
---|---|---|---|
eq | if (a === b) |
{{if (eq a b)}} |
No |
not-eq | if (a !== b) |
{{if (not-eq a b)}} |
No |
not | if (!a) |
{{if (not a)}} |
Yes |
and | if (a && b) * |
{{if (and a b)}} |
Yes |
or | if (a || b) * |
{{if (or a b)}} |
Yes |
xor | if (a && !b || !a && b) * |
{{if (xor a b)}} |
No |
gt | if (a > b) |
{{if (gt a b)}} |
No |
gte | if (a >= b) |
{{if (gte a b)}} |
No |
lt | if (a < b) |
{{if (lt a b)}} |
No |
lte | if (a <= b) |
{{if (lte a b)}} |
No |
is-array | if (Ember.isArray(a)) |
{{if (is-array a)}} |
Yes |
is-empty | if (Ember.isEmpty(a)) |
{{if (is-empty a)}} |
No |
is-equal | if (Ember.isEqual(a, b)) |
{{if (is-equal a b)}} |
No |
(or a b)
, even if a
is truthy, b
will still be evaluated. See this explanation.
API
is-equal
is-equal
uses Ember.isEqual
helper to evaluate equality of two values. eq
should be sufficient for most applications. is-equal
is necessary when trying to compare a complex object to a primitive value.
Other Helpers
Contributing
See the Contributing guide for details.
License
This project is licensed under the MIT License.