diff options
Diffstat (limited to 'src/data/composite/control-flow/withResultOfAvailabilityCheck.js')
-rw-r--r-- | src/data/composite/control-flow/withResultOfAvailabilityCheck.js | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/data/composite/control-flow/withResultOfAvailabilityCheck.js b/src/data/composite/control-flow/withResultOfAvailabilityCheck.js index bcbd0b37..a6942014 100644 --- a/src/data/composite/control-flow/withResultOfAvailabilityCheck.js +++ b/src/data/composite/control-flow/withResultOfAvailabilityCheck.js @@ -10,6 +10,7 @@ // * 'falsy': Check that the value isn't false when treated as a boolean // (nor an empty array). Keep in mind this will also be false // for values like zero and the empty string! +// * 'index': Check that the value is a number, and is at least zero. // // See also: // - exitWithoutDependency @@ -57,6 +58,10 @@ export default templateCompositeFrom({ case 'falsy': availability = !!value && (!Array.isArray(value) || !empty(value)); break; + + case 'index': + availability = typeof value === 'number' && value >= 0; + break; } return continuation({'#availability': availability}); |