starboard-notebook/dist/src/cellProperties/dom.js

Starboard Notebook

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
import { registry } from "./registry";
/**
 * A cell with metadata
 * ```
 * properties: {
 *   locked: true,
 *   run_on_load: "123",
 *   no: false,
 * }
 * ```
 *
 * will get classes "property-locked property-run_on_load property-no" if those are known properties.
 * All `Object.getOwnPropertyNames` properties get added (or removed if not present).
 * Unknown properties don't get CSS classes added.
 *
 * @param properties
 */
export function syncPropertyElementClassNames(el, properties) {
    // Retrieve an object with className for every property on the cell properties object. It is undefined for unknown properties.
    const defs = Object.getOwnPropertyNames(properties)
        .map((d) => registry.get(d))
        .filter((x) => x);
    const desiredPropertyClasses = new Set(defs.map((x) => "property-" + x.cellProperty));
    el.classList.forEach((v) => {
        if (v.startsWith("property-") && !desiredPropertyClasses.has(v)) {
            el.classList.remove(v);
        }
    });
    for (const x of desiredPropertyClasses.keys()) {
        el.classList.toggle(x, true);
    }
}
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