in packages/shared/src/array.ts [45:75]
export function each<T extends {}, TValue extends T[keyof T]>(
val: T,
iterator: EachObjectIterator<TValue>,
revert?: boolean
): void
export function each(val: any, iterator: any, revert?: boolean): void {
if (isArr(val) || isStr(val)) {
if (revert) {
for (let i: number = val.length - 1; i >= 0; i--) {
if (iterator(val[i], i) === false) {
return
}
}
} else {
for (let i = 0; i < val.length; i++) {
if (iterator(val[i], i) === false) {
return
}
}
}
} else if (isObj(val)) {
let key: string
for (key in val) {
if (Object.hasOwnProperty.call(val, key)) {
if (iterator(val[key], key) === false) {
return
}
}
}
}
}