@svta/common-media-library/dist/iso/bmff/findBox.js

A common library for media playback in JavaScript

import { createIsoView } from './createIsoView.js';
function find(iterator, recursive, fn) {
    for (const box of iterator) {
        if (fn(box)) {
            return box;
        }
        const { boxes } = box;
        if (recursive && Array.isArray(boxes)) {
            const result = find(boxes, recursive, fn);
            if (result) {
                return result;
            }
        }
    }
    return null;
}
/**
 * Find a box from an IsoView that matches a filter function
 *
 * @param raw - The raw ISO data
 * @param config - The configuration for the IsoView
 * @param fn - The filter function
 *
 * @returns The first box that matches the filter function
 *
 * @group ISOBMFF
 *
 * @beta
 */
export function findBox(raw, fn, config) {
    var _a;
    const recursive = (_a = config === null || config === void 0 ? void 0 : config.recursive) !== null && _a !== void 0 ? _a : true;
    if (raw instanceof DataView || raw instanceof Uint8Array || raw instanceof ArrayBuffer) {
        raw = createIsoView(raw, { ...config, recursive: false });
    }
    return find(raw, recursive, fn);
}
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