dockview/dist/esm/array.js

Zero dependency layout manager supporting tabs, grids and splitviews with ReactJS support

export function tail(arr) {
    if (arr.length === 0) {
        throw new Error('Invalid tail call');
    }
    return [arr.slice(0, arr.length - 1), arr[arr.length - 1]];
}
export function last(arr) {
    return arr.length > 0 ? arr[arr.length - 1] : undefined;
}
export function sequenceEquals(arr1, arr2) {
    if (arr1.length !== arr2.length) {
        return false;
    }
    for (let i = 0; i < arr1.length; i++) {
        if (arr1[i] !== arr2[i]) {
            return false;
        }
    }
    return true;
}
/**
 * Pushes an element to the start of the array, if found.
 */
export function pushToStart(arr, value) {
    const index = arr.indexOf(value);
    if (index > -1) {
        arr.splice(index, 1);
        arr.unshift(value);
    }
}
/**
 * Pushes an element to the end of the array, if found.
 */
export function pushToEnd(arr, value) {
    const index = arr.indexOf(value);
    if (index > -1) {
        arr.splice(index, 1);
        arr.push(value);
    }
}
export const range = (from, to) => {
    const result = [];
    if (typeof to !== 'number') {
        to = from;
        from = 0;
    }
    if (from <= to) {
        for (let i = from; i < to; i++) {
            result.push(i);
        }
    }
    else {
        for (let i = from; i > to; i--) {
            result.push(i);
        }
    }
    return result;
};
export function firstIndex(array, fn) {
    for (let i = 0; i < array.length; i++) {
        const element = array[i];
        if (fn(element)) {
            return i;
        }
    }
    return -1;
}