@ribajs/core/dist/src/binders/srcset-size.binder.js

Core module of Riba.js

import { Binder } from "../binder.js";
export class SrcsetSizeBinder extends Binder {
    static key = "srcset-*";
    routine(el, url) {
        const size = this.args[0];
        let srcset = el.getAttribute("srcset");
        if (typeof srcset !== "string") {
            srcset = "";
        }
        if (typeof url === "string" && url.length > 0) {
            const seperator = srcset.length > 0 ? ", " : "";
            srcset += `${seperator}${url} ${size}`;
        }
        else {
            let sizes = srcset.split(",");
            sizes = sizes.map((iterSize) => iterSize.trim());
            sizes = sizes.filter((iterSize) => !iterSize.includes(size));
            srcset = sizes.join(", ") || "";
        }
        el.setAttribute("srcset", srcset);
    }
}
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