@softwareventures/maintain-project/collections/arrays.js

Automatically create and maintain TypeScript projects with standard settings for Software Ventures Limited

import { findIndex } from "@softwareventures/array";
export function findExtract(array, predicate) {
    const index = findIndex(array, predicate);
    return index == null
        ? [null, Array.from(array)]
        : [array[index], excludeIndex(array, index)];
}
export function findExtractFn(predicate) {
    return array => findExtract(array, predicate);
}
export function excludeIndex(array, index) {
    const a = Array.from(array);
    return [...a.slice(0, index), ...a.slice(index + 1)];
}
export function splitWhere(array, predicate) {
    let current = [];
    const result = [current];
    for (let i = 0; i < array.length; ++i) {
        const element = array[i];
        if (predicate(element)) {
            current = [];
            result.push(current);
        }
        else {
            current.push(element);
        }
    }
    return result;
}
export function splitWhereFn(predicate) {
    return array => splitWhere(array, predicate);
}
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