image-in-browser/lib/exif/ifd-container.js

Package for encoding / decoding images, transforming images, applying filters, drawing primitives on images on the client side (no need for server Node.js)

import { IfdDirectory } from './ifd-directory.js';
export class IfdContainer {
    get keys() {
        return this.directories.keys();
    }
    get values() {
        return this.directories.values();
    }
    get entries() {
        return this.directories.entries();
    }
    get size() {
        return this.directories.size;
    }
    get isEmpty() {
        if (this.directories.size === 0) {
            return true;
        }
        for (const ifd of this.directories.values()) {
            if (!ifd.isEmpty) {
                return false;
            }
        }
        return true;
    }
    constructor(directories) {
        this.directories = directories !== null && directories !== void 0 ? directories : new Map();
    }
    static from(other) {
        const dirs = new Map(other.directories);
        return new IfdContainer(dirs);
    }
    has(key) {
        return this.directories.has(key);
    }
    get(ifdName) {
        let ifd = this.directories.get(ifdName);
        if (ifd === undefined) {
            ifd = new IfdDirectory();
            this.directories.set(ifdName, ifd);
            return ifd;
        }
        else {
            return ifd;
        }
    }
    set(ifdName, value) {
        this.directories.set(ifdName, value);
    }
    clear() {
        this.directories.clear();
    }
}
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