Sliding, hopping, and tumbling windows over an iterable
- sliding, hopping, and tumbling windows
- non-wrapping or wrapping windows
- iterates iterable lazily
- is itself iterator, e.g. can use in
for..of
- sliding non-wrapping
import { Windows } from "@vwkd/windows";
const array = [1, 2, 3, 4, 5];
const windowSize = 3;
const stepSize = 1;
const buffer = new Windows(array, windowSize, stepSize);
for (const window of buffer) {
console.log(window);
}
// [ 1, 2, 3 ]
// [ 2, 3, 4 ]
// [ 3, 4, 5 ]
// [ 4, 5 ]
// [ 5 ]- sliding wrapping
import { Windows } from "@vwkd/windows";
const array = [1, 2, 3, 4, 5];
const windowSize = 3;
const stepSize = 1;
const buffer = new Windows(array, windowSize, stepSize, true);
for (let i = 0; i < 6; i += 1) {
console.log(buffer.next().value);
}
// [ 1, 2, 3 ]
// [ 2, 3, 4 ]
// [ 3, 4, 5 ]
// [ 4, 5, 1 ]
// [ 5, 1, 2 ]
// [ 1, 2, 3 ]
// ...- hopping non-wrapping
import { Windows } from "@vwkd/windows";
const array = [1, 2, 3, 4, 5];
const windowSize = 3;
const stepSize = 2;
const buffer = new Windows(array, windowSize, stepSize);
for (const window of buffer) {
console.log(window);
}
// [ 1, 2, 3 ]
// [ 3, 4, 5 ]
// [ 5 ]- hopping wrapping
import { Windows } from "@vwkd/windows";
const array = [1, 2, 3, 4, 5];
const windowSize = 3;
const stepSize = 2;
const buffer = new Windows(array, windowSize, stepSize, true);
for (let i = 0; i < 6; i += 1) {
console.log(buffer.next().value);
}
// [ 1, 2, 3 ]
// [ 3, 4, 5 ]
// [ 5, 1, 2 ]
// [ 2, 3, 4 ]
// [ 4, 5, 1 ]
// [ 1, 2, 3 ]
// ...- tumbling non-wrapping
import { Windows } from "@vwkd/windows";
const array = [1, 2, 3, 4, 5];
const windowSize = 3;
const stepSize = 3;
const buffer = new Windows(array, windowSize, stepSize);
for (const window of buffer) {
console.log(window);
}
// [ 1, 2, 3 ]
// [ 4, 5 ]- tumbling wrapping
import { Windows } from "@vwkd/windows";
const array = [1, 2, 3, 4, 5];
const windowSize = 3;
const stepSize = 3;
const buffer = new Windows(array, windowSize, stepSize, true);
for (let i = 0; i < 6; i += 1) {
console.log(buffer.next().value);
}
// [ 1, 2, 3 ]
// [ 4, 5, 1 ]
// [ 2, 3, 4 ]
// [ 5, 1, 2 ]
// [ 3, 4, 5 ]
// [ 1, 2, 3 ]
// ...