Function use

src/extension.ts:101–123

(
    ext: EChartsExtensionInstaller | EChartsExtension | (EChartsExtensionInstaller | EChartsExtension)[]
)

}

export function use(
    ext: EChartsExtensionInstaller | EChartsExtension | (EChartsExtensionInstaller | EChartsExtension)[]
) {
    if (isArray(ext)) {
        // use([ChartLine, ChartBar]);
        each(ext, (singleExt) => {
            use(singleExt);
        });
        return;
    }

    if (indexOf(extensions, ext) >= 0) {
        return;
    }
    extensions.push(ext);

    if (isFunction(ext)) {
        ext = {
            install: ext
        };
    }
    ext.install(extensionRegisters);
}

// A simpler use type for exporting to reduce exported inner modules.
export type EChartsExtensionInstallerSimple = (registers: any) => void;