@cran/vue.core/cjs/utility/createPlugin.js

Cranberry Vue Core Utilities

const pluginRegistry = new Map();
export function createPlugin(installer) {
    return {
        install(app, options) {
            if (!pluginRegistry.has(app)) {
                const mapping = new Map([[installer, true,],]);
                pluginRegistry.set(app, mapping);
            }
            else {
                const mapping = pluginRegistry.get(app);
                if (mapping.has(installer)) {
                    return;
                }
                mapping.set(installer, true);
            }
            installer(app, options);
        },
    };
}