// swcrc.js
const path = require("path")
module.exports = (isDev = false) => {
    // polyfill
    const polyfillConfig = isDev ? {} : {
        env: {
            mode: "usage",
            coreJs: 3,
            path: path.resolve(__dirname),
        },
    }
    return {
        module: {
            type: "es6",
            ignoreDynamic: true,
        },
        ...polyfillConfig,
        jsc: {
            parser: {
                syntax: "typescript", // or ecmascript
                dynamicImport: true,
                decorators: true,
                tsx: true,
                privateMethod: false,
                functionBind: false,
                exportDefaultFrom: false,
                exportNamespaceFrom: false,
                decoratorsBeforeExport: false,
                topLevelAwait: false,
                importMeta: false,
            },
            loose: true,
            target: "es2015",
            externalHelpers: true,
            transform: {
                // default value is null
                legacyDecorator: true,
                decoratorMetadata: true,
            },
        },
    }
}