HTMLBars template helpers for additional truth logic in if
and unless
statements.
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 |
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.
Install
ember install ember-truth-helpers
Other Helpers
Development
git clone https://github.com/jmurphyau/ember-truth-helpers.git
cd ember-truth-helpers
yarn install
ember server
- Visit your app at http://localhost:4200.
Running Tests
yarn test
(Runsember try:testall
to test your addon against multiple Ember versions)ember test
ember test --server
Building
ember build
For more information on using ember-cli, visit https://www.ember-cli.com/.