UNPKG

ifd

Version:

Life Extending Ternary Operator Abstractions

22 lines (19 loc) 619 B
__A Volume Bump__ ```js // creates custom identity thunk const isAnArrayOfTwo = ifd({ // if isAnArryOfTwo does not met identity // then we want to return false as the default value default: false, identity: function (val) { return Array.isArray(val) && val.length === 2; } }); // lazy evaluation of arguments const foo = ifd( [[isAnArrayOfTwo, false, true, 0, [2]], 'Not Me!'], [[isAnArrayOfTwo, [2, 3, 4], false, 'not-an-array'], 'Or Me Either!'], [[isAnArrayOfTwo, undefined, [1, 2], null, [2]], 'Pick Me, And Return This String'], [[isAnArrayOfTwo, null, []], 'will not be evaluated'] ); ```