66 lines
1.5 KiB
JavaScript
66 lines
1.5 KiB
JavaScript
/*
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
|
Author Tobias Koppers @sokra
|
|
*/
|
|
"use strict";
|
|
|
|
module.exports = function forEachBail(array, iterator, callback) {
|
|
if(array.length === 0) return callback();
|
|
let currentPos = array.length;
|
|
let currentResult;
|
|
let done = [];
|
|
for(let i = 0; i < array.length; i++) {
|
|
const itCb = createIteratorCallback(i);
|
|
iterator(array[i], itCb);
|
|
if(currentPos === 0) break;
|
|
}
|
|
|
|
function createIteratorCallback(i) {
|
|
return(...args) => { // eslint-disable-line
|
|
if(i >= currentPos) return; // ignore
|
|
done.push(i);
|
|
if(args.length > 0) {
|
|
currentPos = i + 1;
|
|
done = done.filter(item => {
|
|
return item <= i;
|
|
});
|
|
currentResult = args;
|
|
}
|
|
if(done.length === currentPos) {
|
|
callback.apply(null, currentResult);
|
|
currentPos = 0;
|
|
}
|
|
};
|
|
}
|
|
};
|
|
|
|
module.exports.withIndex = function forEachBailWithIndex(array, iterator, callback) {
|
|
if(array.length === 0) return callback();
|
|
let currentPos = array.length;
|
|
let currentResult;
|
|
let done = [];
|
|
for(let i = 0; i < array.length; i++) {
|
|
const itCb = createIteratorCallback(i);
|
|
iterator(array[i], i, itCb);
|
|
if(currentPos === 0) break;
|
|
}
|
|
|
|
function createIteratorCallback(i) {
|
|
return(...args) => { // eslint-disable-line
|
|
if(i >= currentPos) return; // ignore
|
|
done.push(i);
|
|
if(args.length > 0) {
|
|
currentPos = i + 1;
|
|
done = done.filter(item => {
|
|
return item <= i;
|
|
});
|
|
currentResult = args;
|
|
}
|
|
if(done.length === currentPos) {
|
|
callback.apply(null, currentResult);
|
|
currentPos = 0;
|
|
}
|
|
};
|
|
}
|
|
};
|