bunchee - npm Package Compare versions

Comparing version 3.2.1 to 3.3.0

dist/cli.js

@@ -1,13 +0,282 @@
-#!/usr/bin/env node
+Object.defineProperty(exports, '__esModule', { value: true });
+
+var fs = require('fs/promises');
 var path = require('path');
-var arg = require('arg');
-var fs = require('fs/promises');
+var rollup = require('rollup');
+var pluginWasm = require('@rollup/plugin-wasm');
+var rollupPluginSwc3 = require('rollup-plugin-swc3');
+var commonjs = require('@rollup/plugin-commonjs');
+var shebang = require('rollup-plugin-preserve-shebang');
+var json = require('@rollup/plugin-json');
+var pluginNodeResolve = require('@rollup/plugin-node-resolve');
+var replace = require('@rollup/plugin-replace');
+var prettyBytes = require('pretty-bytes');
+var module$1 = require('module');
 
 function _interopDefault (e) { return e && e.__esModule ? e : { default: e }; }
 
+var fs__default = /*#__PURE__*/_interopDefault(fs);
 var path__default = /*#__PURE__*/_interopDefault(path);
-var arg__default = /*#__PURE__*/_interopDefault(arg);
-var fs__default = /*#__PURE__*/_interopDefault(fs);
+var commonjs__default = /*#__PURE__*/_interopDefault(commonjs);
+var shebang__default = /*#__PURE__*/_interopDefault(shebang);
+var json__default = /*#__PURE__*/_interopDefault(json);
+var replace__default = /*#__PURE__*/_interopDefault(replace);
+var prettyBytes__default = /*#__PURE__*/_interopDefault(prettyBytes);
 
-function asyncGeneratorStep$1(gen, resolve, reject, _next, _throw, key, arg) {
+function chunkSizeCollector() {
+    const sizes = new Map();
+    function addSize(name, size) {
+        sizes.set(name, size);
+    }
+    return {
+        plugin: (cwd)=>{
+            return {
+                name: 'collect-sizes',
+                augmentChunkHash () {
+                // Do nothing, but use the hook to keep the plugin instance alive
+                },
+                renderChunk (code, chunk, options) {
+                    const dir = options.dir || options.file && path__default.default.dirname(options.file);
+                    let fileName = chunk.fileName;
+                    if (dir) {
+                        const filePath = path__default.default.join(dir, fileName);
+                        fileName = filePath.startsWith(cwd) ? path__default.default.relative(cwd, filePath) : filePath;
+                    }
+                    addSize(fileName, code.length);
+                    return null;
+                }
+            };
+        },
+        getSizeStats () {
+            const sizeStats = [];
+            sizes.forEach((size, name)=>{
+                sizeStats.push([
+                    name,
+                    prettyBytes__default.default(size),
+                    size
+                ]);
+            });
+            return sizeStats;
+        }
+    };
+}
+
+function getTypings(pkg) {
+    return pkg.types || pkg.typings;
+}
+function getDistPath(distPath, cwd) {
+    return path.resolve(cwd, distPath);
+}
+// Reached the end of the export path
+function isExportLike(field) {
+    if (typeof field === 'string') return true;
+    return Object.entries(field).every(// Every value is string and key is not start with '.'
+    // TODO: check key is ExportType
+    ([key, value])=>typeof value === 'string' && !key.startsWith('.'));
+}
+function constructFullExportCondition(value, packageType) {
+    const isCommonjs = packageType === 'commonjs';
+    let result;
+    if (typeof value === 'string') {
+        // TODO: determine cjs or esm by "type" field in package.json
+        result = {
+            [isCommonjs ? 'require' : 'import']: value
+        };
+    } else {
+        // TODO: valid export condition, warn if it's not valid
+        const keys = Object.keys(value);
+        result = {};
+        keys.forEach((key)=>{
+            // Filter out nullable value
+            if (key in value && value[key]) {
+                result[key] = value[key];
+            }
+        });
+    }
+    return result;
+}
+function joinRelativePath(...segments) {
+    let result = path.join(...segments);
+    // If the first segment starts with './', ensure the result does too.
+    if (segments[0] === '.' && !result.startsWith('./')) {
+        result = './' + result;
+    }
+    return result;
+}
+function findExport(name, value, paths, packageType) {
+    // TODO: handle export condition based on package.type
+    if (isExportLike(value)) {
+        paths[name] = constructFullExportCondition(value, packageType);
+        return;
+    }
+    Object.keys(value).forEach((subpath)=>{
+        const nextName = joinRelativePath(name, subpath);
+        const nestedValue = value[subpath];
+        findExport(nextName, nestedValue, paths, packageType);
+    });
+}
+/**
+ *
+ * Convert package.exports field to paths mapping
+ * Example
+ *
+ * Input:
+ * {
+ *   ".": {
+ *     "sub": {
+ *       "import": "./sub.js",
+ *       "require": "./sub.cjs",
+ *       "types": "./sub.d.ts
+ *     }
+ *   }
+ * }
+ *
+ * Output:
+  * {
+  *   "./sub": {
+  *     "import": "./sub.js",
+  *     "require": "./sub.cjs",
+  *     "types": "./sub.d.ts,
+  *   }
+  * }
+  *
+ */ function parseExport(exportsCondition, packageType) {
+    const paths = {};
+    if (typeof exportsCondition === 'string') {
+        paths['.'] = constructFullExportCondition(exportsCondition, packageType);
+    } else if (typeof exportsCondition === 'object') {
+        Object.keys(exportsCondition).forEach((key)=>{
+            const value = exportsCondition[key];
+            findExport(key, value, paths, packageType);
+        });
+    }
+    return paths;
+}
+/**
+ * Get package exports paths
+ *
+ * Example:
+ *
+ * ```json
+ * {
+ *  "exports": {
+ *    ".": {
+ *      "require": "./dist/index.cjs",
+ *      "module": "./dist/index.esm.js",
+ *      "default": "./dist/index.esm.js"
+ *    },
+ *    "./foo": {
+ *      "require": "./dist/foo.cjs",
+ *      "module": "./dist/foo.esm.js",
+ *      "default": "./dist/foo.esm.js"
+ *   }
+ * }
+ *
+ * ```
+ *
+ * will be parsed to:
+ *
+ * ```js
+ * {
+ *   '.': {
+ *     main: './dist/index.cjs',
+ *     module: './dist/index.esm.js',
+ *     export: './dist/index.esm.js'
+ *   },
+ *   './foo': {
+ *     main: './dist/foo.cjs',
+ *     module: './dist/foo.esm.js',
+ *     export: './dist/foo.esm.js'
+ *   }
+ *
+ *
+ * pkg.main and pkg.module will be added to ['.'] if exists
+ */ function getExportPaths(pkg) {
+    const pathsMap = {};
+    const packageType = getPackageType(pkg);
+    const { exports: exportsConditions  } = pkg;
+    if (exportsConditions) {
+        const paths = parseExport(exportsConditions, packageType);
+        Object.assign(pathsMap, paths);
+    }
+    // main export '.' from main/module/typings
+    const defaultMainExport = constructFullExportCondition({
+        [packageType === 'commonjs' ? 'require' : 'import']: pkg.main,
+        module: pkg.module,
+        types: getTypings(pkg)
+    }, packageType);
+    // Merge the main export into '.' paths
+    const mainExport = Object.assign({}, pathsMap['.'], defaultMainExport);
+    // main export is not empty
+    if (Object.keys(mainExport).length > 0) {
+        pathsMap['.'] = mainExport;
+    }
+    return pathsMap;
+}
+function getPackageType(pkg) {
+    return pkg.type || 'commonjs';
+}
+function constructDefaultExportCondition(value, packageType) {
+    const objValue = typeof value === 'string' ? {
+        [packageType === 'commonjs' ? 'require' : 'import']: value,
+        types: getTypings(value)
+    } : value;
+    return constructFullExportCondition(objValue, packageType);
+}
+function isEsmExportName(name) {
+    return [
+        'import',
+        'module',
+        'react-native',
+        'react-server',
+        'edge-light'
+    ].includes(name);
+}
+function isCjsExportName(name) {
+    return [
+        'require',
+        'main',
+        'node',
+        'default'
+    ].includes(name);
+}
+function getExportConditionDist(pkg, parsedExportCondition, cwd) {
+    const dist = [];
+    const existed = new Set();
+    const exportTypes = Object.keys(parsedExportCondition.export);
+    for (const key of exportTypes){
+        if (key === 'types') {
+            continue;
+        }
+        const relativePath = parsedExportCondition.export[key];
+        const distFile = getDistPath(relativePath, cwd);
+        let format = 'esm';
+        if (isEsmExportName(key)) {
+            format = 'esm';
+        } else if (isCjsExportName(key)) {
+            format = 'cjs';
+        }
+        // Deduplicate the same path jobs
+        // TODO: detect conflicts paths but with different format
+        if (existed.has(distFile)) {
+            continue;
+        }
+        existed.add(distFile);
+        dist.push({
+            format,
+            file: distFile
+        });
+    }
+    if (dist.length === 0) {
+        // TODO: Deprecate this warning and behavior in v3
+        console.error(`Doesn't fin any exports in ${pkg.name}, using default dist path dist/index.js`);
+        dist.push({
+            format: 'esm',
+            file: getDistPath('dist/index.js', cwd)
+        });
+    }
+    return dist;
+}
+
+function asyncGeneratorStep$3(gen, resolve, reject, _next, _throw, key, arg) {
     try {
@@ -26,3 +295,3 @@ var info = gen[key](arg);
 }
-function _async_to_generator$1(fn) {
+function _async_to_generator$3(fn) {
     return function() {
@@ -33,6 +302,6 @@ var self = this, args = arguments;
             function _next(value) {
-                asyncGeneratorStep$1(gen, resolve, reject, _next, _throw, "next", value);
+                asyncGeneratorStep$3(gen, resolve, reject, _next, _throw, "next", value);
             }
             function _throw(err) {
-                asyncGeneratorStep$1(gen, resolve, reject, _next, _throw, "throw", err);
+                asyncGeneratorStep$3(gen, resolve, reject, _next, _throw, "throw", err);
             }
@@ -47,12 +316,2 @@ _next(undefined);
 }
-const formatDuration = (duration)=>duration >= 1000 ? `${duration / 1000}s` : `${duration}ms`;
-function hasPackageJson(cwd) {
-    return _hasPackageJson.apply(this, arguments);
-}
-function _hasPackageJson() {
-    _hasPackageJson = _async_to_generator$1(function*(cwd) {
-        return yield fileExists(path__default.default.resolve(cwd, 'package.json'));
-    });
-    return _hasPackageJson.apply(this, arguments);
-}
 function getPackageMeta(cwd) {
@@ -62,3 +321,3 @@ return _getPackageMeta.apply(this, arguments);
 function _getPackageMeta() {
-    _getPackageMeta = _async_to_generator$1(function*(cwd) {
+    _getPackageMeta = _async_to_generator$3(function*(cwd) {
         const pkgFilePath = path__default.default.resolve(cwd, 'package.json');
@@ -90,3 +349,3 @@ let targetPackageJson = {};
 function _fileExists() {
-    _fileExists = _async_to_generator$1(function*(filePath) {
+    _fileExists = _async_to_generator$3(function*(filePath) {
         try {
@@ -104,6 +363,46 @@ yield fs__default.default.access(filePath);
 }
+// . -> pkg name
+// ./lite -> <pkg name>/lite
+function getExportPath(pkg, cwd, exportName) {
+    const name = pkg.name || path__default.default.basename(cwd);
+    if (exportName === '.' || !exportName) return name;
+    return path__default.default.join(name, exportName);
+}
+const isNotNull = (n)=>Boolean(n);
+const SRC = 'src' // resolve from src/ directory
+;
+function resolveSourceFile(cwd, filename) {
+    return path__default.default.resolve(cwd, SRC, filename);
+}
+// Map '.' -> './index.[ext]'
+// Map './lite' -> './lite.[ext]'
+// Return undefined if no match or if it's package.json exports
+function getSourcePathFromExportPath(cwd, exportPath) {
+    return _getSourcePathFromExportPath.apply(this, arguments);
+}
+function _getSourcePathFromExportPath() {
+    _getSourcePathFromExportPath = _async_to_generator$3(function*(cwd, exportPath) {
+        const exts = [
+            'js',
+            'cjs',
+            'mjs',
+            'jsx',
+            'ts',
+            'tsx'
+        ];
+        for (const ext of exts){
+            // ignore package.json
+            if (exportPath.endsWith('package.json')) return;
+            if (exportPath === '.') exportPath = './index';
+            const filename = resolveSourceFile(cwd, `${exportPath}.${ext}`);
+            if (yield fileExists(filename)) {
+                return filename;
+            }
+        }
+        return;
+    });
+    return _getSourcePathFromExportPath.apply(this, arguments);
+}
 
-var version = "3.2.1";
-
-function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
+function asyncGeneratorStep$2(gen, resolve, reject, _next, _throw, key, arg) {
     try {
@@ -122,3 +421,3 @@ var info = gen[key](arg);
 }
-function _async_to_generator(fn) {
+function _async_to_generator$2(fn) {
     return function() {
@@ -129,6 +428,6 @@ var self = this, args = arguments;
             function _next(value) {
-                asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
+                asyncGeneratorStep$2(gen, resolve, reject, _next, _throw, "next", value);
             }
             function _throw(err) {
-                asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
+                asyncGeneratorStep$2(gen, resolve, reject, _next, _throw, "throw", err);
             }
@@ -139,165 +438,526 @@ _next(undefined);
 }
-const helpMessage = `
-Usage: bunchee [options]
-
-Options:
-  -v, --version          output the version number
-  -w, --watch            watch src files changes
-  -m, --minify           compress output. default: false
-  -o, --output <file>    specify output filename
-  -f, --format <format>  type of output (esm, amd, cjs, iife, umd, system), default: esm
-  -h, --help             output usage information
-  --external <mod>       specify an external dependency, separate by comma
-  --no-external          do not bundle external dependencies
-  --target <target>      js features target: swc target es versions. default: es2016
-  --runtime <runtime>    build runtime (nodejs, browser). default: browser
-  --env <env>            inlined process env variables, separate by comma. default: NODE_ENV
-  --cwd <cwd>            specify current working directory
-  --sourcemap            enable sourcemap generation, default: false
-  --dts                  determine if need to generate types, default: false
-`;
-function help() {
-    logger.log(helpMessage);
+function _extends$1() {
+    _extends$1 = Object.assign || function(target) {
+        for(var i = 1; i < arguments.length; i++){
+            var source = arguments[i];
+            for(var key in source){
+                if (Object.prototype.hasOwnProperty.call(source, key)) {
+                    target[key] = source[key];
+                }
+            }
+        }
+        return target;
+    };
+    return _extends$1.apply(this, arguments);
 }
-function lintPackage(cwd) {
-    return _lintPackage.apply(this, arguments);
+const minifyOptions = {
+    compress: true,
+    format: {
+        comments: 'some',
+        wrapFuncArgs: false,
+        preserveAnnotations: true
+    },
+    mangle: {
+        toplevel: true
+    }
+};
+// This can also be passed down as stats from top level
+const sizeCollector = chunkSizeCollector();
+function getBuildEnv(envs) {
+    if (!envs.includes('NODE_ENV')) {
+        envs.push('NODE_ENV');
+    }
+    const envVars = envs.reduce((acc, key)=>{
+        const value = process.env[key];
+        if (typeof value !== 'undefined') {
+            acc['process.env.' + key] = JSON.stringify(value);
+        }
+        return acc;
+    }, {});
+    return envVars;
 }
-function _lintPackage() {
-    _lintPackage = _async_to_generator(function*(cwd) {
-        // Not package.json detected, skip package linting
-        if (!(yield hasPackageJson(cwd))) {
-            return;
+function buildInputConfig(entry, pkg, options, cwd, { tsConfigPath , tsCompilerOptions  }, dtsOnly) {
+    var _options_external;
+    const externals = options.noExternal ? [] : [
+        pkg.peerDependencies,
+        pkg.dependencies,
+        pkg.peerDependenciesMeta
+    ].filter((n)=>Boolean(n)).map((o)=>Object.keys(o)).reduce((a, b)=>a.concat(b), []).concat(((_options_external = options.external) != null ? _options_external : []).concat(pkg.name ? [
+        pkg.name
+    ] : []));
+    const { useTypescript , runtime , target: jscTarget , minify  } = options;
+    const hasSpecifiedTsTarget = Boolean((tsCompilerOptions == null ? void 0 : tsCompilerOptions.target) && tsConfigPath);
+    const sizePlugin = sizeCollector.plugin(cwd);
+    const commonPlugins = [
+        shebang__default.default(),
+        sizePlugin
+    ];
+    const plugins = (dtsOnly ? [
+        ...commonPlugins,
+        useTypescript && require('rollup-plugin-dts').default({
+            compilerOptions: _extends$1({}, tsCompilerOptions, {
+                declaration: true,
+                noEmit: false,
+                noEmitOnError: true,
+                emitDeclarationOnly: true,
+                checkJs: false,
+                declarationMap: false,
+                skipLibCheck: true,
+                preserveSymlinks: false,
+                target: 'esnext',
+                module: 'esnext',
+                incremental: false,
+                jsx: tsCompilerOptions.jsx || 'react'
+            })
+        })
+    ] : [
+        ...commonPlugins,
+        replace__default.default({
+            values: getBuildEnv(options.env || []),
+            preventAssignment: true
+        }),
+        pluginNodeResolve.nodeResolve({
+            preferBuiltins: runtime === 'node',
+            extensions: [
+                '.mjs',
+                '.cjs',
+                '.js',
+                '.json',
+                '.node',
+                '.jsx'
+            ]
+        }),
+        commonjs__default.default({
+            include: /node_modules\//
+        }),
+        json__default.default(),
+        pluginWasm.wasm(),
+        rollupPluginSwc3.swc({
+            include: /\.(m|c)?[jt]sx?$/,
+            exclude: 'node_modules',
+            tsconfig: tsConfigPath,
+            jsc: _extends$1({}, !hasSpecifiedTsTarget && {
+                target: jscTarget
+            }, {
+                loose: true,
+                externalHelpers: false,
+                parser: {
+                    syntax: useTypescript ? 'typescript' : 'ecmascript',
+                    [useTypescript ? 'tsx' : 'jsx']: true,
+                    privateMethod: true,
+                    classPrivateProperty: true,
+                    exportDefaultFrom: true
+                }
+            }, minify && {
+                minify: _extends$1({}, minifyOptions, {
+                    sourceMap: options.sourcemap
+                })
+            }),
+            sourceMaps: options.sourcemap,
+            inlineSourcesContent: false
+        })
+    ]).filter(isNotNull);
+    return {
+        input: entry,
+        external (id) {
+            return externals.some((name)=>id === name || id.startsWith(name + '/'));
+        },
+        plugins,
+        treeshake: {
+            propertyReadSideEffects: false
+        },
+        onwarn (warning, warn) {
+            const code = warning.code || '';
+            // Some may not have types, like CLI binary
+            if (dtsOnly && code === 'EMPTY_BUNDLE') return;
+            if ([
+                'MIXED_EXPORTS',
+                'PREFER_NAMED_EXPORTS',
+                'UNRESOLVED_IMPORT',
+                'THIS_IS_UNDEFINED'
+            ].includes(code)) return;
+            // If the circular dependency warning is from node_modules, ignore it
+            if (code === 'CIRCULAR_DEPENDENCY' && /Circular dependency: node_modules/.test(warning.message)) {
+                return;
+            }
+            warn(warning);
         }
-        const { publint  } = yield import('publint');
-        const { printMessage  } = yield import('publint/utils');
-        const messages = yield publint({
-            pkgDir: cwd,
-            level: 'error'
+    };
+}
+function hasEsmExport(exportPaths, tsCompilerOptions) {
+    let hasEsm = false;
+    for(const key in exportPaths){
+        const exportInfo = exportPaths[key];
+        const exportNames = Object.keys(exportInfo);
+        if (exportNames.some((name)=>isEsmExportName(name))) {
+            hasEsm = true;
+            break;
+        }
+    }
+    return Boolean(hasEsm || (tsCompilerOptions == null ? void 0 : tsCompilerOptions.esModuleInterop));
+}
+function buildOutputConfigs(pkg, exportPaths, options, exportCondition, cwd, { tsCompilerOptions  }, dtsOnly) {
+    const { format  } = options;
+    // Add esm mark and interop helper if esm export is detected
+    const useEsModuleMark = hasEsmExport(exportPaths, tsCompilerOptions);
+    const typings = getTypings(pkg);
+    const file = options.file && path.resolve(cwd, options.file);
+    const dtsDir = typings ? path.dirname(path.resolve(cwd, typings)) : path.resolve(cwd, 'dist');
+    // file base name without extension
+    const name = file ? file.replace(new RegExp(`${path.extname(file)}$`), '') : undefined;
+    // TODO: simplify dts file name detection
+    const dtsFile = exportCondition.export['types'] ? path.resolve(cwd, exportCondition.export['types']) : file ? name + '.d.ts' : (exportCondition == null ? void 0 : exportCondition.name) ? path.resolve(dtsDir, (exportCondition.name === '.' ? 'index' : exportCondition.name) + '.d.ts') : typings && path.resolve(cwd, typings);
+    // If there's dts file, use `output.file`
+    const dtsPathConfig = dtsFile ? {
+        file: dtsFile
+    } : {
+        dir: dtsDir
+    };
+    return _extends$1({
+        name: pkg.name || name
+    }, dtsOnly ? dtsPathConfig : {
+        file: file
+    }, {
+        format,
+        exports: 'named',
+        esModule: useEsModuleMark || 'if-default-prop',
+        interop: 'auto',
+        freeze: false,
+        strict: false,
+        sourcemap: options.sourcemap
+    });
+}
+// build configs for each entry from package exports
+function buildEntryConfig(pkg, entryPath, exportPaths, bundleConfig, cwd, tsOptions, dtsOnly) {
+    return _buildEntryConfig.apply(this, arguments);
+}
+function _buildEntryConfig() {
+    _buildEntryConfig = _async_to_generator$2(function*(pkg, entryPath, exportPaths, bundleConfig, cwd, tsOptions, dtsOnly) {
+        const configs = Object.keys(exportPaths).map(/*#__PURE__*/ _async_to_generator$2(function*(entryExport) {
+            // TODO: improve the source detection
+            const source = (yield getSourcePathFromExportPath(cwd, entryExport)) || entryPath;
+            if (!source) return undefined;
+            const exportCondition = {
+                source,
+                name: entryExport,
+                export: exportPaths[entryExport]
+            };
+            const entry = resolveSourceFile(cwd, source);
+            const rollupConfig = buildConfig(entry, pkg, exportPaths, bundleConfig, exportCondition, cwd, tsOptions, dtsOnly);
+            return rollupConfig;
+        }));
+        return (yield Promise.all(configs)).filter((n)=>Boolean(n));
+    });
+    return _buildEntryConfig.apply(this, arguments);
+}
+function buildConfig(entry, pkg, exportPaths, bundleConfig, exportCondition, cwd, tsOptions, dtsOnly) {
+    const { file  } = bundleConfig;
+    const useTypescript = Boolean(tsOptions.tsConfigPath);
+    const options = _extends$1({}, bundleConfig, {
+        useTypescript
+    });
+    const inputOptions = buildInputConfig(entry, pkg, options, cwd, tsOptions, dtsOnly);
+    const outputExports = getExportConditionDist(pkg, exportCondition, cwd);
+    let outputConfigs = [];
+    // Generate dts job - single config
+    if (dtsOnly) {
+        outputConfigs = [
+            buildOutputConfigs(pkg, exportPaths, _extends$1({}, bundleConfig, {
+                format: 'es',
+                useTypescript
+            }), exportCondition, cwd, tsOptions, dtsOnly)
+        ];
+    } else {
+        // multi outputs with specified format
+        outputConfigs = outputExports.map((exportDist)=>{
+            return buildOutputConfigs(pkg, exportPaths, _extends$1({}, bundleConfig, {
+                file: exportDist.file,
+                format: exportDist.format,
+                useTypescript
+            }), exportCondition, cwd, tsOptions, dtsOnly);
         });
-        const pkg = yield getPackageMeta(cwd);
-        for (const message of messages){
-            console.log(printMessage(message, pkg));
+        // CLI output option is always prioritized
+        if (file) {
+            var _outputExports_;
+            const fallbackFormat = (_outputExports_ = outputExports[0]) == null ? void 0 : _outputExports_.format;
+            outputConfigs = [
+                buildOutputConfigs(pkg, exportPaths, _extends$1({}, bundleConfig, {
+                    file,
+                    format: bundleConfig.format || fallbackFormat,
+                    useTypescript
+                }), exportCondition, cwd, tsOptions, dtsOnly)
+            ];
         }
+    }
+    return {
+        input: inputOptions,
+        output: outputConfigs,
+        exportName: exportCondition.name || '.'
+    };
+}
+
+function asyncGeneratorStep$1(gen, resolve, reject, _next, _throw, key, arg) {
+    try {
+        var info = gen[key](arg);
+        var value = info.value;
+    } catch (error) {
+        reject(error);
+        return;
+    }
+    if (info.done) {
+        resolve(value);
+    } else {
+        Promise.resolve(value).then(_next, _throw);
+    }
+}
+function _async_to_generator$1(fn) {
+    return function() {
+        var self = this, args = arguments;
+        return new Promise(function(resolve, reject) {
+            var gen = fn.apply(self, args);
+            function _next(value) {
+                asyncGeneratorStep$1(gen, resolve, reject, _next, _throw, "next", value);
+            }
+            function _throw(err) {
+                asyncGeneratorStep$1(gen, resolve, reject, _next, _throw, "throw", err);
+            }
+            _next(undefined);
+        });
+    };
+}
+let hasLoggedTsWarning = false;
+function resolveTypescript(cwd) {
+    let ts;
+    const m = new module$1.Module('', undefined);
+    m.paths = module$1.Module._nodeModulePaths(cwd);
+    try {
+        ts = m.require('typescript');
+    } catch (_) {
+        console.error(_);
+        if (!hasLoggedTsWarning) {
+            hasLoggedTsWarning = true;
+            exit('Could not load TypeScript compiler. Try to install `typescript` as dev dependency');
+        }
+    }
+    return ts;
+}
+function resolveTsConfig(cwd) {
+    return _resolveTsConfig.apply(this, arguments);
+}
+function _resolveTsConfig() {
+    _resolveTsConfig = _async_to_generator$1(function*(cwd) {
+        let tsCompilerOptions = {};
+        let tsConfigPath;
+        const ts = resolveTypescript(cwd);
+        tsConfigPath = path.resolve(cwd, 'tsconfig.json');
+        if (yield fileExists(tsConfigPath)) {
+            const basePath = tsConfigPath ? path.dirname(tsConfigPath) : cwd;
+            const tsconfigJSON = ts.readConfigFile(tsConfigPath, ts.sys.readFile).config;
+            tsCompilerOptions = ts.parseJsonConfigFileContent(tsconfigJSON, ts.sys, basePath).options;
+        } else {
+            tsConfigPath = undefined;
+            return null;
+        }
+        return {
+            tsCompilerOptions,
+            tsConfigPath
+        };
     });
-    return _lintPackage.apply(this, arguments);
+    return _resolveTsConfig.apply(this, arguments);
 }
-function parseCliArgs(argv) {
-    let args;
-    args = arg__default.default({
-        '--cwd': String,
-        '--dts': Boolean,
-        '--output': String,
-        '--format': String,
-        '--watch': Boolean,
-        '--minify': Boolean,
-        '--help': Boolean,
-        '--version': Boolean,
-        '--runtime': String,
-        '--target': String,
-        '--sourcemap': Boolean,
-        '--env': String,
-        '--external': String,
-        '--no-external': Boolean,
-        '-h': '--help',
-        '-v': '--version',
-        '-w': '--watch',
-        '-o': '--output',
-        '-f': '--format',
-        '-m': '--minify'
-    }, {
-        permissive: true,
-        argv
+
+function logSizeStats() {
+    const stats = sizeCollector.getSizeStats();
+    const maxLength = Math.max(...stats.map(([filename])=>filename.length));
+    stats.forEach(([filename, prettiedSize])=>{
+        const padding = ' '.repeat(maxLength - filename.length);
+        const action = filename.endsWith('.d.ts') ? 'Typed' : 'Built';
+        logger.log(` ✓  ${action} ${filename}${padding} - ${prettiedSize}`);
     });
-    const source = args._[0];
-    const parsedArgs = {
-        source,
-        format: args['--format'],
-        file: args['--output'],
-        watch: args['--watch'],
-        minify: args['--minify'],
-        sourcemap: !!args['--sourcemap'],
-        cwd: args['--cwd'],
-        dts: args['--dts'],
-        help: args['--help'],
-        version: args['--version'],
-        runtime: args['--runtime'],
-        target: args['--target'],
-        external: !!args['--no-external'] ? null : args['--external'],
-        env: args['--env']
+}
+
+function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
+    try {
+        var info = gen[key](arg);
+        var value = info.value;
+    } catch (error) {
+        reject(error);
+        return;
+    }
+    if (info.done) {
+        resolve(value);
+    } else {
+        Promise.resolve(value).then(_next, _throw);
+    }
+}
+function _async_to_generator(fn) {
+    return function() {
+        var self = this, args = arguments;
+        return new Promise(function(resolve, reject) {
+            var gen = fn.apply(self, args);
+            function _next(value) {
+                asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
+            }
+            function _throw(err) {
+                asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
+            }
+            _next(undefined);
+        });
     };
-    return parsedArgs;
 }
-function run(args) {
-    return _run.apply(this, arguments);
+function _extends() {
+    _extends = Object.assign || function(target) {
+        for(var i = 1; i < arguments.length; i++){
+            var source = arguments[i];
+            for(var key in source){
+                if (Object.prototype.hasOwnProperty.call(source, key)) {
+                    target[key] = source[key];
+                }
+            }
+        }
+        return target;
+    };
+    return _extends.apply(this, arguments);
 }
-function _run() {
-    _run = _async_to_generator(function*(args) {
-        var _args_external;
-        const { source , format , watch , minify , sourcemap , target , runtime , dts , env  } = args;
-        const cwd = args.cwd || process.cwd();
-        const file = args.file ? path__default.default.resolve(cwd, args.file) : undefined;
-        const bundleConfig = {
-            dts,
-            file,
-            format,
-            cwd,
-            target,
-            runtime,
-            external: ((_args_external = args.external) == null ? void 0 : _args_external.split(',')) || [],
-            watch: !!watch,
-            minify: !!minify,
-            sourcemap: sourcemap === false ? false : true,
-            env: (env == null ? void 0 : env.split(',')) || []
+function _object_without_properties_loose(source, excluded) {
+    if (source == null) return {};
+    var target = {};
+    var sourceKeys = Object.keys(source);
+    var key, i;
+    for(i = 0; i < sourceKeys.length; i++){
+        key = sourceKeys[i];
+        if (excluded.indexOf(key) >= 0) continue;
+        target[key] = source[key];
+    }
+    return target;
+}
+function assignDefault(options, name, defaultValue) {
+    if (!(name in options) || options[name] == null) {
+        options[name] = defaultValue;
+    }
+}
+function hasMultiEntryExport(exportPaths) {
+    const exportKeys = Object.keys(exportPaths).filter((key)=>key !== './package.json');
+    return exportKeys.length > 0 && exportKeys.every((name)=>name.startsWith('.'));
+}
+function bundle(entryPath) {
+    return _bundle.apply(this, arguments);
+}
+function _bundle() {
+    _bundle = _async_to_generator(function*(entryPath, _param = {}) {
+        var { cwd: _cwd  } = _param, options = _object_without_properties_loose(_param, [
+            "cwd"
+        ]);
+        const cwd = path.resolve(process.cwd(), _cwd || '');
+        assignDefault(options, 'format', 'es');
+        assignDefault(options, 'minify', false);
+        assignDefault(options, 'target', 'es2015');
+        const pkg = yield getPackageMeta(cwd);
+        const packageType = getPackageType(pkg);
+        const exportPaths = getExportPaths(pkg);
+        const exportKeys = Object.keys(exportPaths).filter((key)=>key !== './package.json');
+        // const exportPathsLength = Object.keys(exportPaths).length
+        const isMultiEntries = hasMultiEntryExport(exportPaths) // exportPathsLength > 1
+        ;
+        const tsConfig = yield resolveTsConfig(cwd);
+        const hasTsConfig = Boolean(tsConfig == null ? void 0 : tsConfig.tsConfigPath);
+        const defaultTsOptions = {
+            tsConfigPath: tsConfig == null ? void 0 : tsConfig.tsConfigPath,
+            tsCompilerOptions: (tsConfig == null ? void 0 : tsConfig.tsCompilerOptions) || {}
         };
-        if (args.version) {
-            return logger.log(version);
+        // Handle single entry file
+        if (!isMultiEntries) {
+            // Use specified string file path if possible, then fallback to the default behavior entry picking logic
+            // e.g. "exports": "./dist/index.js" -> use "./index.<ext>" as entry
+            entryPath = entryPath || (yield getSourcePathFromExportPath(cwd, '.')) || '';
         }
-        if (args.help) {
-            return help();
+        if (exportKeys.length === 0 && entryPath) {
+            exportPaths['.'] = constructDefaultExportCondition(entryPath, packageType);
         }
-        const entry = source ? path__default.default.resolve(cwd, source) : '';
-        const bundle = require('./index').bundle;
-        let timeStart = Date.now();
-        let timeEnd;
-        try {
-            yield bundle(entry, bundleConfig);
-            timeEnd = Date.now();
-        } catch (err) {
-            if (err.name === 'NOT_EXISTED') {
-                help();
-                return exit(err);
+        const bundleOrWatch = (rollupConfig)=>{
+            const { input , exportName  } = rollupConfig;
+            const exportPath = getExportPath(pkg, cwd, exportName);
+            // Log original entry file relative path
+            const source = typeof input.input === 'string' ? path.relative(cwd, input.input) : exportPath;
+            const buildMetadata = {
+                source
+            };
+            if (options.watch) {
+                return Promise.resolve(runWatch(rollupConfig, buildMetadata));
             }
-            throw err;
+            return runBundle(rollupConfig);
+        };
+        const hasSpecifiedEntryFile = entryPath ? (yield fileExists(entryPath)) && (yield fs__default.default.stat(entryPath)).isFile() : false;
+        if (!hasSpecifiedEntryFile && !isMultiEntries) {
+            const err = new Error(`Entry file \`${entryPath}\` is not existed`);
+            err.name = 'NOT_EXISTED';
+            return Promise.reject(err);
         }
-        const duration = timeEnd - timeStart;
-        // watching mode
-        if (watch) {
-            logger.log(`🔍  Watching assets in ${cwd}...`);
-            return;
+        // has `types` field in package.json or has `types` exports in any export condition for multi-entries
+        const hasTypings = Object.values(exportPaths).some((condition)=>condition.hasOwnProperty('types'));
+        // Enable types generation if it's types field specified in package.json
+        if (hasTypings) {
+            options.dts = hasTypings;
         }
-        // build mode
-        logger.log(`✨  Finished in ${formatDuration(duration)}`);
-        yield lintPackage(cwd);
+        let result;
+        const buildConfigs = yield buildEntryConfig(pkg, entryPath, exportPaths, options, cwd, defaultTsOptions, false);
+        const assetsJobs = buildConfigs.map((rollupConfig)=>bundleOrWatch(rollupConfig));
+        const typesJobs = hasTsConfig && options.dts ? (yield buildEntryConfig(pkg, entryPath, exportPaths, options, cwd, defaultTsOptions, true)).map((rollupConfig)=>bundleOrWatch(rollupConfig)) : [];
+        result = yield Promise.all(assetsJobs.concat(typesJobs));
+        logSizeStats();
+        return result;
     });
-    return _run.apply(this, arguments);
+    return _bundle.apply(this, arguments);
 }
-function main() {
-    return _main.apply(this, arguments);
-}
-function _main() {
-    _main = _async_to_generator(function*() {
-        let params, error;
-        try {
-            params = parseCliArgs(process.argv.slice(2));
-        } catch (err) {
-            error = err;
+function runWatch({ input , output  }, metadata) {
+    const watchOptions = [
+        _extends({}, input, {
+            output: output,
+            watch: {
+                exclude: [
+                    'node_modules/**'
+                ]
+            }
+        })
+    ];
+    const watcher = rollup.watch(watchOptions);
+    watcher.on('event', (event)=>{
+        switch(event.code){
+            case 'ERROR':
+                {
+                    return onError(event.error);
+                }
+            case 'START':
+                {
+                    logger.log(`Start building ${metadata.source} ...`);
+                    break;
+                }
+            case 'END':
+                {
+                    break;
+                }
+            default:
+                return;
         }
-        if (error || !params) {
-            if (!error) help();
-            return exit(error);
-        }
-        yield run(params);
     });
-    return _main.apply(this, arguments);
+    return watcher;
 }
-main().catch(exit);
+function runBundle({ input , output  }) {
+    return rollup.rollup(input).then((bundle)=>{
+        const writeJobs = output.map((options)=>bundle.write(options));
+        return Promise.all(writeJobs);
+    }, onError);
+}
+function onError(error) {
+    if (!error) return;
+    // logging source code in format
+    if (error.frame) {
+        process.stderr.write(error.frame + '\n');
+    }
+    // filter out the rollup plugin error information such as loc/frame/code...
+    const err = new Error(error.message);
+    err.stack = error.stack;
+    throw err;
+}
+
+exports.bundle = bundle;

dist/index.d.ts

 import { JscTarget } from '@swc/core';
 import { OutputOptions } from 'rollup';
 
-type ExportType = 'require' | 'export' | 'default' | string;
 type BundleConfig = {
@@ -18,9 +17,3 @@ file?: string;
     runtime?: string;
-    exportCondition?: {
-        source: string;
-        name: string;
-        export: ExportCondition;
-    };
 };
-type ExportCondition = string | Record<ExportType, string>;
 
@@ -27,0 +20,0 @@ declare function bundle(entryPath: string, { cwd: _cwd, ...options }?: BundleConfig): Promise<any>;

dist/index.js

@@ -42,3 +42,4 @@ Object.defineProperty(exports, '__esModule', { value: true });
                     if (dir) {
-                        fileName = path__default.default.relative(cwd, path__default.default.join(dir, fileName));
+                        const filePath = path__default.default.join(dir, fileName);
+                        fileName = filePath.startsWith(cwd) ? path__default.default.relative(cwd, filePath) : filePath;
                     }
@@ -70,16 +71,84 @@ addSize(fileName, code.length);
 }
-function findExport(field) {
-    if (!field) return;
-    if (typeof field === 'string') return field;
-    const value = field['.'] || field['import'] || field['module'] || field['default'];
-    return findExport(value);
+// Reached the end of the export path
+function isExportLike(field) {
+    if (typeof field === 'string') return true;
+    return Object.entries(field).every(// Every value is string and key is not start with '.'
+    // TODO: check key is ExportType
+    ([key, value])=>typeof value === 'string' && !key.startsWith('.'));
 }
-function parseExport(exportsCondition) {
+function constructFullExportCondition(value, packageType) {
+    const isCommonjs = packageType === 'commonjs';
+    let result;
+    if (typeof value === 'string') {
+        // TODO: determine cjs or esm by "type" field in package.json
+        result = {
+            [isCommonjs ? 'require' : 'import']: value
+        };
+    } else {
+        // TODO: valid export condition, warn if it's not valid
+        const keys = Object.keys(value);
+        result = {};
+        keys.forEach((key)=>{
+            // Filter out nullable value
+            if (key in value && value[key]) {
+                result[key] = value[key];
+            }
+        });
+    }
+    return result;
+}
+function joinRelativePath(...segments) {
+    let result = path.join(...segments);
+    // If the first segment starts with './', ensure the result does too.
+    if (segments[0] === '.' && !result.startsWith('./')) {
+        result = './' + result;
+    }
+    return result;
+}
+function findExport(name, value, paths, packageType) {
+    // TODO: handle export condition based on package.type
+    if (isExportLike(value)) {
+        paths[name] = constructFullExportCondition(value, packageType);
+        return;
+    }
+    Object.keys(value).forEach((subpath)=>{
+        const nextName = joinRelativePath(name, subpath);
+        const nestedValue = value[subpath];
+        findExport(nextName, nestedValue, paths, packageType);
+    });
+}
+/**
+ *
+ * Convert package.exports field to paths mapping
+ * Example
+ *
+ * Input:
+ * {
+ *   ".": {
+ *     "sub": {
+ *       "import": "./sub.js",
+ *       "require": "./sub.cjs",
+ *       "types": "./sub.d.ts
+ *     }
+ *   }
+ * }
+ *
+ * Output:
+  * {
+  *   "./sub": {
+  *     "import": "./sub.js",
+  *     "require": "./sub.cjs",
+  *     "types": "./sub.d.ts,
+  *   }
+  * }
+  *
+ */ function parseExport(exportsCondition, packageType) {
     const paths = {};
     if (typeof exportsCondition === 'string') {
-        paths.export = exportsCondition;
-    } else {
-        paths.main = paths.main || exportsCondition['require'] || exportsCondition['node'] || exportsCondition['default'];
-        paths.module = paths.module || exportsCondition['module'];
-        paths.export = findExport(exportsCondition);
+        paths['.'] = constructFullExportCondition(exportsCondition, packageType);
+    } else if (typeof exportsCondition === 'object') {
+        Object.keys(exportsCondition).forEach((key)=>{
+            const value = exportsCondition[key];
+            findExport(key, value, paths, packageType);
+        });
     }
@@ -129,51 +198,79 @@ return paths;
     const pathsMap = {};
-    const mainExport = {};
-    if (pkg.main) {
-        mainExport.main = pkg.main;
-    }
-    if (pkg.module) {
-        mainExport.module = pkg.module;
-    }
-    pathsMap['.'] = mainExport;
+    const packageType = getPackageType(pkg);
     const { exports: exportsConditions  } = pkg;
     if (exportsConditions) {
-        if (typeof exportsConditions === 'string') {
-            mainExport.export = exportsConditions;
-        } else {
-            const exportKeys = Object.keys(exportsConditions);
-            if (exportKeys.some((key)=>key.startsWith('.'))) {
-                exportKeys.forEach((subExport)=>{
-                    pathsMap[subExport] = parseExport(exportsConditions[subExport]);
-                });
-            } else {
-                Object.assign(mainExport, parseExport(exportsConditions));
-            }
-        }
+        const paths = parseExport(exportsConditions, packageType);
+        Object.assign(pathsMap, paths);
     }
-    pathsMap['.'] = mainExport;
+    // main export '.' from main/module/typings
+    const defaultMainExport = constructFullExportCondition({
+        [packageType === 'commonjs' ? 'require' : 'import']: pkg.main,
+        module: pkg.module,
+        types: getTypings(pkg)
+    }, packageType);
+    // Merge the main export into '.' paths
+    const mainExport = Object.assign({}, pathsMap['.'], defaultMainExport);
+    // main export is not empty
+    if (Object.keys(mainExport).length > 0) {
+        pathsMap['.'] = mainExport;
+    }
     return pathsMap;
 }
-function getExportDist(pkg, cwd) {
-    const paths = getExportPaths(pkg)['.'];
+function getPackageType(pkg) {
+    return pkg.type || 'commonjs';
+}
+function constructDefaultExportCondition(value, packageType) {
+    const objValue = typeof value === 'string' ? {
+        [packageType === 'commonjs' ? 'require' : 'import']: value,
+        types: getTypings(value)
+    } : value;
+    return constructFullExportCondition(objValue, packageType);
+}
+function isEsmExportName(name) {
+    return [
+        'import',
+        'module',
+        'react-native',
+        'react-server',
+        'edge-light'
+    ].includes(name);
+}
+function isCjsExportName(name) {
+    return [
+        'require',
+        'main',
+        'node',
+        'default'
+    ].includes(name);
+}
+function getExportConditionDist(pkg, parsedExportCondition, cwd) {
     const dist = [];
-    if (paths.main) {
+    const existed = new Set();
+    const exportTypes = Object.keys(parsedExportCondition.export);
+    for (const key of exportTypes){
+        if (key === 'types') {
+            continue;
+        }
+        const relativePath = parsedExportCondition.export[key];
+        const distFile = getDistPath(relativePath, cwd);
+        let format = 'esm';
+        if (isEsmExportName(key)) {
+            format = 'esm';
+        } else if (isCjsExportName(key)) {
+            format = 'cjs';
+        }
+        // Deduplicate the same path jobs
+        // TODO: detect conflicts paths but with different format
+        if (existed.has(distFile)) {
+            continue;
+        }
+        existed.add(distFile);
         dist.push({
-            format: 'cjs',
-            file: getDistPath(paths.main, cwd)
+            format,
+            file: distFile
         });
     }
-    if (paths.module) {
-        dist.push({
-            format: 'esm',
-            file: getDistPath(paths.module, cwd)
-        });
-    }
-    if (paths.export) {
-        dist.push({
-            format: 'esm',
-            file: getDistPath(paths.export, cwd)
-        });
-    }
-    // default fallback to output `dist/index.js` in default esm format
     if (dist.length === 0) {
+        // TODO: Deprecate this warning and behavior in v3
+        console.error(`Doesn't fin any exports in ${pkg.name}, using default dist path dist/index.js`);
         dist.push({
@@ -186,36 +283,2 @@ format: 'esm',
 }
-function getExportConditionDist(pkg, exportCondition, cwd) {
-    const dist = [];
-    // "exports": "..."
-    if (typeof exportCondition === 'string') {
-        dist.push({
-            format: pkg.type === 'module' ? 'esm' : 'cjs',
-            file: getDistPath(exportCondition, cwd)
-        });
-    } else {
-        // "./<subexport>": { }
-        const subExports = exportCondition;
-        // Ignore json exports, like "./package.json"
-        if (typeof subExports === 'string') {
-            dist.push({
-                format: 'esm',
-                file: getDistPath(subExports, cwd)
-            });
-        } else {
-            if (subExports.require) {
-                dist.push({
-                    format: 'cjs',
-                    file: getDistPath(subExports.require, cwd)
-                });
-            }
-            if (subExports.import) {
-                dist.push({
-                    format: 'esm',
-                    file: getDistPath(subExports.import, cwd)
-                });
-            }
-        }
-    }
-    return dist;
-}
 
@@ -523,3 +586,4 @@ function asyncGeneratorStep$3(gen, resolve, reject, _next, _throw, key, arg) {
         const exportInfo = exportPaths[key];
-        if (exportInfo.import || exportInfo.module) {
+        const exportNames = Object.keys(exportInfo);
+        if (exportNames.some((name)=>isEsmExportName(name))) {
             hasEsm = true;
@@ -531,5 +595,4 @@ break;
 }
-function buildOutputConfigs(pkg, options, cwd, { tsCompilerOptions  }, dtsOnly) {
-    const { format , exportCondition  } = options;
-    const exportPaths = getExportPaths(pkg);
+function buildOutputConfigs(pkg, exportPaths, options, exportCondition, cwd, { tsCompilerOptions  }, dtsOnly) {
+    const { format  } = options;
     // Add esm mark and interop helper if esm export is detected
@@ -542,3 +605,4 @@ const useEsModuleMark = hasEsmExport(exportPaths, tsCompilerOptions);
     const name = file ? file.replace(new RegExp(`${path.extname(file)}$`), '') : undefined;
-    const dtsFile = file ? name + '.d.ts' : (exportCondition == null ? void 0 : exportCondition.name) ? path.resolve(dtsDir, (exportCondition.name === '.' ? 'index' : exportCondition.name) + '.d.ts') : typings && path.resolve(cwd, typings);
+    // TODO: simplify dts file name detection
+    const dtsFile = exportCondition.export['types'] ? path.resolve(cwd, exportCondition.export['types']) : file ? name + '.d.ts' : (exportCondition == null ? void 0 : exportCondition.name) ? path.resolve(dtsDir, (exportCondition.name === '.' ? 'index' : exportCondition.name) + '.d.ts') : typings && path.resolve(cwd, typings);
     // If there's dts file, use `output.file`
@@ -565,19 +629,18 @@ const dtsPathConfig = dtsFile ? {
 // build configs for each entry from package exports
-function buildEntryConfig(pkg, bundleConfig, cwd, tsOptions, dtsOnly) {
+function buildEntryConfig(pkg, entryPath, exportPaths, bundleConfig, cwd, tsOptions, dtsOnly) {
     return _buildEntryConfig.apply(this, arguments);
 }
 function _buildEntryConfig() {
-    _buildEntryConfig = _async_to_generator$2(function*(pkg, bundleConfig, cwd, tsOptions, dtsOnly) {
-        const packageExports = pkg.exports || {};
-        const configs = Object.keys(packageExports).map(/*#__PURE__*/ _async_to_generator$2(function*(entryExport) {
-            const source = yield getSourcePathFromExportPath(cwd, entryExport);
+    _buildEntryConfig = _async_to_generator$2(function*(pkg, entryPath, exportPaths, bundleConfig, cwd, tsOptions, dtsOnly) {
+        const configs = Object.keys(exportPaths).map(/*#__PURE__*/ _async_to_generator$2(function*(entryExport) {
+            // TODO: improve the source detection
+            const source = (yield getSourcePathFromExportPath(cwd, entryExport)) || entryPath;
             if (!source) return undefined;
-            if (dtsOnly && !(tsOptions == null ? void 0 : tsOptions.tsConfigPath)) return;
-            bundleConfig.exportCondition = {
+            const exportCondition = {
                 source,
                 name: entryExport,
-                export: packageExports[entryExport]
+                export: exportPaths[entryExport]
             };
             const entry = resolveSourceFile(cwd, source);
-            const rollupConfig = buildConfig(entry, pkg, bundleConfig, cwd, tsOptions, dtsOnly);
+            const rollupConfig = buildConfig(entry, pkg, exportPaths, bundleConfig, exportCondition, cwd, tsOptions, dtsOnly);
             return rollupConfig;
@@ -589,4 +652,3 @@ }));
 }
-function buildConfig(entry, pkg, bundleConfig, cwd, tsOptions, dtsOnly) {
-    var _options_exportCondition;
+function buildConfig(entry, pkg, exportPaths, bundleConfig, exportCondition, cwd, tsOptions, dtsOnly) {
     const { file  } = bundleConfig;
@@ -598,3 +660,3 @@ const useTypescript = Boolean(tsOptions.tsConfigPath);
     const inputOptions = buildInputConfig(entry, pkg, options, cwd, tsOptions, dtsOnly);
-    const outputExports = options.exportCondition ? getExportConditionDist(pkg, options.exportCondition.export, cwd) : getExportDist(pkg, cwd);
+    const outputExports = getExportConditionDist(pkg, exportCondition, cwd);
     let outputConfigs = [];
@@ -604,6 +666,6 @@ // Generate dts job - single config
         outputConfigs = [
-            buildOutputConfigs(pkg, _extends$1({}, bundleConfig, {
+            buildOutputConfigs(pkg, exportPaths, _extends$1({}, bundleConfig, {
                 format: 'es',
                 useTypescript
-            }), cwd, tsOptions, dtsOnly)
+            }), exportCondition, cwd, tsOptions, dtsOnly)
         ];
@@ -613,7 +675,7 @@ } else {
         outputConfigs = outputExports.map((exportDist)=>{
-            return buildOutputConfigs(pkg, _extends$1({}, bundleConfig, {
+            return buildOutputConfigs(pkg, exportPaths, _extends$1({}, bundleConfig, {
                 file: exportDist.file,
                 format: exportDist.format,
                 useTypescript
-            }), cwd, tsOptions, dtsOnly);
+            }), exportCondition, cwd, tsOptions, dtsOnly);
         });
@@ -625,7 +687,7 @@ // CLI output option is always prioritized
             outputConfigs = [
-                buildOutputConfigs(pkg, _extends$1({}, bundleConfig, {
+                buildOutputConfigs(pkg, exportPaths, _extends$1({}, bundleConfig, {
                     file,
                     format: bundleConfig.format || fallbackFormat,
                     useTypescript
-                }), cwd, tsOptions, dtsOnly)
+                }), exportCondition, cwd, tsOptions, dtsOnly)
             ];
@@ -637,3 +699,3 @@ }
         output: outputConfigs,
-        exportName: ((_options_exportCondition = options.exportCondition) == null ? void 0 : _options_exportCondition.name) || '.'
+        exportName: exportCondition.name || '.'
     };
@@ -782,6 +844,4 @@ }
 }
-function hasMultiEntryExport(pkg) {
-    const packageExportsField = pkg.exports || {};
-    if (typeof packageExportsField === 'string') return false;
-    const exportKeys = (packageExportsField ? Object.keys(packageExportsField) : []).filter((key)=>key !== './package.json');
+function hasMultiEntryExport(exportPaths) {
+    const exportKeys = Object.keys(exportPaths).filter((key)=>key !== './package.json');
     return exportKeys.length > 0 && exportKeys.every((name)=>name.startsWith('.'));
@@ -802,4 +862,8 @@ }
         const pkg = yield getPackageMeta(cwd);
-        const packageExportsField = pkg.exports || {};
-        const isMultiEntries = hasMultiEntryExport(pkg);
+        const packageType = getPackageType(pkg);
+        const exportPaths = getExportPaths(pkg);
+        const exportKeys = Object.keys(exportPaths).filter((key)=>key !== './package.json');
+        // const exportPathsLength = Object.keys(exportPaths).length
+        const isMultiEntries = hasMultiEntryExport(exportPaths) // exportPathsLength > 1
+        ;
         const tsConfig = yield resolveTsConfig(cwd);
@@ -817,2 +881,5 @@ const hasTsConfig = Boolean(tsConfig == null ? void 0 : tsConfig.tsConfigPath);
         }
+        if (exportKeys.length === 0 && entryPath) {
+            exportPaths['.'] = constructDefaultExportCondition(entryPath, packageType);
+        }
         const bundleOrWatch = (rollupConfig)=>{
@@ -838,3 +905,3 @@ const { input , exportName  } = rollupConfig;
         // has `types` field in package.json or has `types` exports in any export condition for multi-entries
-        const hasTypings = !!getTypings(pkg) || typeof packageExportsField === 'object' && Array.from(Object.values(packageExportsField || {})).some((condition)=>condition.hasOwnProperty('types'));
+        const hasTypings = Object.values(exportPaths).some((condition)=>condition.hasOwnProperty('types'));
         // Enable types generation if it's types field specified in package.json
@@ -845,15 +912,6 @@ if (hasTypings) {
         let result;
-        if (isMultiEntries) {
-            const buildConfigs = yield buildEntryConfig(pkg, options, cwd, defaultTsOptions, false);
-            const assetsJobs = buildConfigs.map((rollupConfig)=>bundleOrWatch(rollupConfig));
-            const typesJobs = options.dts ? (yield buildEntryConfig(pkg, options, cwd, defaultTsOptions, true)).map((rollupConfig)=>bundleOrWatch(rollupConfig)) : [];
-            result = yield Promise.all(assetsJobs.concat(typesJobs));
-        } else {
-            // Generate types
-            if (hasTsConfig && options.dts) {
-                yield bundleOrWatch(buildConfig(entryPath, pkg, options, cwd, defaultTsOptions, true));
-            }
-            const rollupConfig = buildConfig(entryPath, pkg, options, cwd, defaultTsOptions, false);
-            result = yield bundleOrWatch(rollupConfig);
-        }
+        const buildConfigs = yield buildEntryConfig(pkg, entryPath, exportPaths, options, cwd, defaultTsOptions, false);
+        const assetsJobs = buildConfigs.map((rollupConfig)=>bundleOrWatch(rollupConfig));
+        const typesJobs = hasTsConfig && options.dts ? (yield buildEntryConfig(pkg, entryPath, exportPaths, options, cwd, defaultTsOptions, true)).map((rollupConfig)=>bundleOrWatch(rollupConfig)) : [];
+        result = yield Promise.all(assetsJobs.concat(typesJobs));
         logSizeStats();
@@ -860,0 +918,0 @@ return result;

package.json

 {
   "name": "bunchee",
-  "version": "3.2.1",
+  "version": "3.3.0",
   "description": "zero config bundler for js/ts/jsx libraries",
@@ -5,0 +5,0 @@ "bin": {

New alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Fixed alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

75290

increased by50.72%

Lines of code

1906

increased by58.97%

Worsened metrics

Number of package files

5

decreased by-16.67%

Number of low supply chain risk alerts

6

increased by50%

No dependency changes