(emit) is a very rough work in progress. It can run both in the browser and on node.js.
emit = require"emit"// emit method APIs are identical to their native counterparts...Mathpow2 2 // 4emitMathpow2 2 // 4Array1 2 3 // [1, 2, 3]emitArray1 2 3 // [1, 2, 3]1 / 2 // .5emitops"/"1 2 // .5// with one exception: emit methods can also take functions, which are// treated as yet-unevaluated values that can be "watched". All emit// methods compose these (possibly unevaluated) values into a single// value; if any of these values are functions, the returned value will// also be a function.// Here's an example of such a function; it reports an incremented number// back to its listener every second.var cbnull i++i = 0sendsetIntervalsend 1000// Since the value reported by count changes every second, so does// the value of any method that uses it. So these are all functions:emitMathpow2 count // [Function]emitArray1 2 count // [Function]emitops"/"1 count // [Function]// We can observe these changing values through the console.console.loge || dataemitMathpow2 countlog // 1, 2, 4, 8, 16, 32...emitArray1 2 countlog // [1, 2, 0], [1, 2, 1], [1, 2, 2]...emitops"/"1 countlog // Infinity, 1, .5, .25...// Now we can now start to compose these into increasingly// complex values.random = emitMathrandompingrandBin = emitMathroundrandomcoinToss = emitops"?:"randBin "heads" "tails"message = emitops"+""The coin landed on " coinTossmessagelog // "The coin landed on heads"// "The coin landed on tails"// "The coin landed on heads"// ...
To install, head to your terminal and enter:
npm install emit
Array: all ES3/ES5 methods
Math: all statics and function
- operators: most accessors, including
- RegExp, String, Date, Number, Boolean
- DOM events
- node.js file system, etc.
Copyright (c) 2012 Jed Schmidt, http://jed.is/
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