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array-comprehensions
Advanced tools
Array comprehensions if you don't want to use 6to5 or traceur.
npm install array-comprehensions
var forOf = require('array-comprehensions');
function inc(x) {
return x+1;
}
function mul(x, y) {
return x*y;
}
function sqr(x) {
return x*x;
}
function isGreatherThan1(x) {
return x>1
}
// [for (x of [1,2,3]) inc(x)]
forOf([1, 2, 3], inc); // => [2, 3, 4]
// [for (x of [1,2,3]) for (y of [3,2,1]) mul(x,y)]
forOf([1, 2, 3], [3, 2, 1], mul); // => [3, 2, 1, 6, 4, 2, 9, 6, 3]
// [for (x of [1,2,3]) if (isGreatherThan1(x)) sqr(x)]
forOf([1, 2, 3], isGreatherThan1, sqr); // => [4, 9]
forOf(iterable, do)
Execute the function do
for each item of iterable
.
forOf([1, 2, 3], function(x){
return x+1;
}); // => [2, 3, 4]
forOf(iterable, condition, do)
Execute the function do
for each item of iterable
that fullfills the condition
.
forOf([1, 2, 3, 4], function(x) {
return x % 2 === 0;
}, function(x) {
return x*x;
}); // => [4,16]
forOf(iterable1, iterable2, do)
Execute the function do
for each item of iterable1
with every item of iterable2
.
forOf([1, 2], [1,2], function(x, y) {
return x*y;
}); // => [1,2,2,4]
FAQs
Array comprehensions
We found that array-comprehensions demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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