Files F105092817

rewriteImports.js
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Created: Fri, Mar 14, 17:08

rewriteImports.js
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	import "core-js/modules/es.array.filter";
	import "core-js/modules/es.array.for-each";
	import "core-js/modules/es.function.name";
	import "core-js/modules/es.regexp.exec";
	import "core-js/modules/es.string.replace";
	import "core-js/modules/es.string.split";
	import "core-js/modules/es.string.trim";
	import "core-js/modules/web.dom-collections.for-each";
	// Temporary copy to fix
	// https://github.com/lukeed/rewrite-imports/issues/10
	var UNNAMED = /import\s*['"]([^'"]+)['"];?/gi;
	var NAMED = /import\s(\\sas)?\s(\w?)\s,?\s(?:\{([\s\S]?)\})?\sfrom\s['"]([^'"]+)['"];?/gi;

	function alias(key) {
	key = key.trim();
	var name = key.split(' as ');

	if (name.length > 1) {
	key = name.shift();
	}

	return {
	key: key,
	name: name[0]
	};
	}

	var num;

	function generate(keys, dep, base, fn) {
	var tmp = dep.replace(/\W/g, '_') + '$' + num++; // uniqueness

	var name = alias(tmp).name;
	dep = fn + "('" + dep + "')";
	var obj;
	var out = "const " + name + " = " + dep + ";";

	if (base) {
	out += "\nconst " + base + " = " + tmp + ".default \|\| " + tmp + ";";
	}

	keys.forEach(function (key) {
	obj = alias(key);
	out += "\nconst " + obj.name + " = " + tmp + "." + obj.key + ";";
	});
	return out;
	}

	export default function (str, fn) {
	if (fn === void 0) {
	fn = 'require';
	}

	num = 0;
	return str.replace(NAMED, function (_, asterisk, base, req, dep) {
	return generate(req ? req.split(',').filter(function (d) {
	return d.trim();
	}) : [], dep, base, fn);
	}).replace(UNNAMED, function (_, dep) {
	return fn + "('" + dep + "');";
	});
	}

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