feat: Iterable2.some, every, support AbortablePredicate

src/iter/iterable2.test.ts

@@ -5,6 +5,10 @@ test('iterable2', () => {
   expect(_rangeIt(3).toArray()).toEqual([0, 1, 2])
 
   expect(_rangeIt(1, 4).find(v => v % 2 === 0)).toBe(2)
+  expect(_rangeIt(1, 4).some(v => v % 2 === 0)).toBe(true)
+  expect(_rangeIt(1, 4).some(v => v % 2 === -1)).toBe(false)
+  expect(_rangeIt(1, 4).every(v => v % 2 === 0)).toBe(false)
+  expect(_rangeIt(1, 4).every(v => v > 0)).toBe(true)
 
   expect(
     _rangeIt(1, 4)

src/iter/iterable2.ts

@@ -1,4 +1,4 @@
-import { AbortableMapper, AbortablePredicate, END, Predicate, SKIP } from '../types'
+import { AbortableMapper, AbortablePredicate, END, SKIP } from '../types'
 
 /**
  * Iterable2 is a wrapper around Iterable that implements "Iterator Helpers proposal":
@@ -34,10 +34,26 @@ export class Iterable2<T> implements Iterable<T> {
     }
   }
 
-  find(cb: Predicate<T>): T | undefined {
+  some(cb: AbortablePredicate<T>): boolean {
+    // eslint-disable-next-line unicorn/prefer-array-some
+    return !!this.find(cb)
+  }
+
+  every(cb: AbortablePredicate<T>): boolean {
+    let i = 0
+    for (const v of this.it) {
+      const r = cb(v, i++)
+      if (r === END || !r) return false
+    }
+    return true
+  }
+
+  find(cb: AbortablePredicate<T>): T | undefined {
     let i = 0
     for (const v of this.it) {
-      if (cb(v, i++)) return v
+      const r = cb(v, i++)
+      if (r === END) return
+      if (r) return v
     }
   }