SwcJsMinimizerRspackPlugin#

This plugin can be used to compress JS assets. See optimization.minimizer.

module.exports = {
  // ...
  optimization: {
    minimizer: [new rspack.SwcJsMinimizerRspackPlugin(options)],
  },
};

• options

  • Type:

  For details of each options, please visit here.

  type SwcJsMinimizerRspackPluginOptions = {
    test?: AssetConditions;
    exclude?: AssetConditions;
    include?: AssetConditions;
    extractComments?: boolean | RegExp;
    minimizerOptions?: {
      minify?: boolean;
      compress?: TerserCompressOptions | boolean;
      mangle?: TerserMangleOptions | boolean;
      module?: boolean;
      format?: JsFormatOptions & ToSnakeCaseProperties<JsFormatOptions>;
    };
  };
  
  type AssetCondition = string | RegExp;
  type AssetConditions = AssetCondition | AssetCondition[];
  
  interface JsFormatOptions {
    /**
     * Currently noop.
     * @default false
     * @alias ascii_only
     */
    asciiOnly?: boolean;
    /**
     * Currently noop.
     * @default false
     */
    beautify?: boolean;
    /**
     * Currently noop.
     * @default false
     */
    braces?: boolean;
    /**
     * - `false`: removes all comments
     * - `'some'`: preserves some comments
     * - `'all'`: preserves all comments
     * @default false
     */
    comments?: false | 'some' | 'all';
    /**
     * Currently noop.
     * @default 5
     */
    ecma?: TerserEcmaVersion;
    /**
     * Currently noop.
     * @alias indent_level
     */
    indentLevel?: number;
    /**
     * Currently noop.
     * @alias indent_start
     */
    indentStart?: number;
    /**
     * Currently noop.
     * @alias inline_script
     */
    inlineScript?: number;
    /**
     * Currently noop.
     * @alias keep_numbers
     */
    keepNumbers?: number;
    /**
     * Currently noop.
     * @alias keep_quoted_props
     */
    keepQuotedProps?: boolean;
    /**
     * Currently noop.
     * @alias max_line_len
     */
    maxLineLen?: number | false;
    /**
     * Currently noop.
     */
    preamble?: string;
    /**
     * Currently noop.
     * @alias quote_keys
     */
    quoteKeys?: boolean;
    /**
     * Currently noop.
     * @alias quote_style
     */
    quoteStyle?: boolean;
    /**
     * Currently noop.
     * @alias preserve_annotations
     */
    preserveAnnotations?: boolean;
    /**
     * Currently noop.
     */
    safari10?: boolean;
    /**
     * Currently noop.
     */
    semicolons?: boolean;
    /**
     * Currently noop.
     */
    shebang?: boolean;
    /**
     * Currently noop.
     */
    webkit?: boolean;
    /**
     * Currently noop.
     * @alias wrap_iife
     */
    wrapIife?: boolean;
    /**
     * Currently noop.
     * @alias wrap_func_args
     */
    wrapFuncArgs?: boolean;
  }
  
  type TerserEcmaVersion = 5 | 2015 | 2016 | string | number;
  interface TerserCompressOptions {
    arguments?: boolean;
    arrows?: boolean;
    booleans?: boolean;
    booleans_as_integers?: boolean;
    collapse_vars?: boolean;
    comparisons?: boolean;
    computed_props?: boolean;
    conditionals?: boolean;
    dead_code?: boolean;
    defaults?: boolean;
    directives?: boolean;
    drop_console?: boolean;
    drop_debugger?: boolean;
    ecma?: TerserEcmaVersion;
    evaluate?: boolean;
    expression?: boolean;
    global_defs?: any;
    hoist_funs?: boolean;
    hoist_props?: boolean;
    hoist_vars?: boolean;
    ie8?: boolean;
    if_return?: boolean;
    inline?: 0 | 1 | 2 | 3;
    join_vars?: boolean;
    keep_classnames?: boolean;
    keep_fargs?: boolean;
    keep_fnames?: boolean;
    keep_infinity?: boolean;
    loops?: boolean;
    negate_iife?: boolean;
    passes?: number;
    properties?: boolean;
    pure_getters?: any;
    pure_funcs?: string[];
    reduce_funcs?: boolean;
    reduce_vars?: boolean;
    sequences?: any;
    side_effects?: boolean;
    switches?: boolean;
    top_retain?: any;
    toplevel?: any;
    typeofs?: boolean;
    unsafe?: boolean;
    unsafe_passes?: boolean;
    unsafe_arrows?: boolean;
    unsafe_comps?: boolean;
    unsafe_function?: boolean;
    unsafe_math?: boolean;
    unsafe_symbols?: boolean;
    unsafe_methods?: boolean;
    unsafe_proto?: boolean;
    unsafe_regexp?: boolean;
    unsafe_undefined?: boolean;
    unused?: boolean;
    const_to_let?: boolean;
    module?: boolean;
  }
  interface TerserMangleOptions {
    props?: TerserManglePropertiesOptions;
    toplevel?: boolean;
    keep_classnames?: boolean;
    keep_fnames?: boolean;
    keep_private_props?: boolean;
    ie8?: boolean;
    safari10?: boolean;
    reserved?: string[];
  }
  interface TerserManglePropertiesOptions {}