lbundle/dist/utils/get-filename-output-format.js

Small zero-configuration bundler build on top of Rollup.js and SWC for NPM libraries

'use strict';

var getFilenameOutputFormat = require('../_virtual/get-filename-output-format.js');
var require$$0 = require('path');

(function (exports) {
	Object.defineProperty(exports, "__esModule", {
	    value: true
	});
	Object.defineProperty(exports, "getFilenameOutputFormat", {
	    enumerable: true,
	    get: function() {
	        return getFilenameOutputFormat;
	    }
	});
	const _path = /*#__PURE__*/ _interop_require_default(require$$0);
	function _interop_require_default(obj) {
	    return obj && obj.__esModule ? obj : {
	        default: obj
	    };
	}
	const getFilenameOutputFormat = function(filename) {
	    let isModule = arguments.length > 1 && arguments[1] !== void 0 ? arguments[1] : false;
	    const ext = _path.default.extname(filename);
	    filename.substring;
	    switch(ext){
	        case '.mjs':
	            return 'esm';
	        case '.cjs':
	            return 'cjs';
	    }
	    const filenameWithoutExt = filename.substring(0, filename.length - ext.length);
	    const luxuryExt = _path.default.extname(filenameWithoutExt);
	    if (!luxuryExt) {
	        return isModule ? 'esm' : 'cjs';
	    }
	    switch(luxuryExt){
	        case '.umd':
	            return 'umd';
	        case '.amd':
	            return 'amd';
	        case '.iife':
	            return 'iife';
	    }
	    throw new Error('[lbundle] unknown output format for filename: ' + filename);
	}; 
} (getFilenameOutputFormat.__exports));
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