@antv/x6/es/plugin/clipboard/storage.js

JavaScript diagramming library that uses SVG and HTML for rendering

import { Config } from '../../config';
import { Model } from '../../model';
const LOCAL_STORAGE_KEY = `${Config.prefixCls}.clipboard.cells`;
export function save(cells) {
    if (window.localStorage) {
        const data = cells.map((cell) => cell.toJSON());
        localStorage.setItem(LOCAL_STORAGE_KEY, JSON.stringify(data));
    }
}
export function fetch() {
    if (window.localStorage) {
        const raw = localStorage.getItem(LOCAL_STORAGE_KEY);
        const cells = raw ? JSON.parse(raw) : [];
        if (cells) {
            return Model.fromJSON(cells);
        }
    }
}
export function clean() {
    if (window.localStorage) {
        localStorage.removeItem(LOCAL_STORAGE_KEY);
    }
}
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