"use strict";
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exports.__esModule = true;
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var _keys = require("babel-runtime/core-js/object/keys");
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var _keys2 = _interopRequireDefault(_keys);
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var _create = require("babel-runtime/core-js/object/create");
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var _create2 = _interopRequireDefault(_create);
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var _getIterator2 = require("babel-runtime/core-js/get-iterator");
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var _getIterator3 = _interopRequireDefault(_getIterator2);
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var _symbol = require("babel-runtime/core-js/symbol");
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var _symbol2 = _interopRequireDefault(_symbol);
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exports.default = function () {
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var REASSIGN_REMAP_SKIP = (0, _symbol2.default)();
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var reassignmentVisitor = {
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ReferencedIdentifier: function ReferencedIdentifier(path) {
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var name = path.node.name;
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var remap = this.remaps[name];
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if (!remap) return;
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if (this.scope.getBinding(name) !== path.scope.getBinding(name)) return;
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var replacement = t.cloneDeep(remap);
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replacement.loc = path.node.loc;
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if (path.parentPath.isCallExpression({ callee: path.node })) {
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path.replaceWith(t.sequenceExpression([t.numericLiteral(0), replacement]));
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} else if (path.isJSXIdentifier() && t.isMemberExpression(replacement)) {
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var object = replacement.object,
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property = replacement.property;
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path.replaceWith(t.JSXMemberExpression(t.JSXIdentifier(object.name), t.JSXIdentifier(property.name)));
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} else {
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path.replaceWith(replacement);
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}
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this.requeueInParent(path);
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},
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AssignmentExpression: function AssignmentExpression(path) {
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var node = path.node;
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if (node[REASSIGN_REMAP_SKIP]) return;
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var left = path.get("left");
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if (left.isIdentifier()) {
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var name = left.node.name;
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var exports = this.exports[name];
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if (!exports) return;
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if (this.scope.getBinding(name) !== path.scope.getBinding(name)) return;
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node[REASSIGN_REMAP_SKIP] = true;
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for (var _iterator = exports, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) {
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var _ref;
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if (_isArray) {
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if (_i >= _iterator.length) break;
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_ref = _iterator[_i++];
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} else {
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_i = _iterator.next();
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if (_i.done) break;
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_ref = _i.value;
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}
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var reid = _ref;
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node = buildExportsAssignment(reid, node).expression;
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}
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path.replaceWith(node);
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this.requeueInParent(path);
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} else if (left.isObjectPattern()) {
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for (var _iterator2 = left.node.properties, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : (0, _getIterator3.default)(_iterator2);;) {
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var _ref2;
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if (_isArray2) {
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if (_i2 >= _iterator2.length) break;
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_ref2 = _iterator2[_i2++];
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} else {
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_i2 = _iterator2.next();
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if (_i2.done) break;
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_ref2 = _i2.value;
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}
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var property = _ref2;
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var _name = property.value.name;
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var _exports = this.exports[_name];
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if (!_exports) continue;
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if (this.scope.getBinding(_name) !== path.scope.getBinding(_name)) return;
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node[REASSIGN_REMAP_SKIP] = true;
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path.insertAfter(buildExportsAssignment(t.identifier(_name), t.identifier(_name)));
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}
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} else if (left.isArrayPattern()) {
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for (var _iterator3 = left.node.elements, _isArray3 = Array.isArray(_iterator3), _i3 = 0, _iterator3 = _isArray3 ? _iterator3 : (0, _getIterator3.default)(_iterator3);;) {
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var _ref3;
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if (_isArray3) {
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if (_i3 >= _iterator3.length) break;
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_ref3 = _iterator3[_i3++];
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} else {
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_i3 = _iterator3.next();
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if (_i3.done) break;
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_ref3 = _i3.value;
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}
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var element = _ref3;
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if (!element) continue;
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var _name2 = element.name;
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var _exports2 = this.exports[_name2];
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if (!_exports2) continue;
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if (this.scope.getBinding(_name2) !== path.scope.getBinding(_name2)) return;
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node[REASSIGN_REMAP_SKIP] = true;
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path.insertAfter(buildExportsAssignment(t.identifier(_name2), t.identifier(_name2)));
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}
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}
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},
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UpdateExpression: function UpdateExpression(path) {
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var arg = path.get("argument");
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if (!arg.isIdentifier()) return;
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var name = arg.node.name;
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var exports = this.exports[name];
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if (!exports) return;
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if (this.scope.getBinding(name) !== path.scope.getBinding(name)) return;
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var node = t.assignmentExpression(path.node.operator[0] + "=", arg.node, t.numericLiteral(1));
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if (path.parentPath.isExpressionStatement() && !path.isCompletionRecord() || path.node.prefix) {
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path.replaceWith(node);
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this.requeueInParent(path);
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return;
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}
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var nodes = [];
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nodes.push(node);
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var operator = void 0;
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if (path.node.operator === "--") {
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operator = "+";
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} else {
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operator = "-";
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}
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nodes.push(t.binaryExpression(operator, arg.node, t.numericLiteral(1)));
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path.replaceWithMultiple(t.sequenceExpression(nodes));
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}
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};
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return {
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inherits: _babelPluginTransformStrictMode2.default,
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visitor: {
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ThisExpression: function ThisExpression(path, state) {
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if (this.ranCommonJS) return;
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if (state.opts.allowTopLevelThis !== true && !path.findParent(function (path) {
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return !path.is("shadow") && THIS_BREAK_KEYS.indexOf(path.type) >= 0;
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})) {
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path.replaceWith(t.identifier("undefined"));
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}
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},
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Program: {
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exit: function exit(path) {
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this.ranCommonJS = true;
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var strict = !!this.opts.strict;
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var noInterop = !!this.opts.noInterop;
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var scope = path.scope;
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scope.rename("module");
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scope.rename("exports");
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scope.rename("require");
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var hasExports = false;
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var hasImports = false;
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var body = path.get("body");
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var imports = (0, _create2.default)(null);
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var exports = (0, _create2.default)(null);
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var nonHoistedExportNames = (0, _create2.default)(null);
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var topNodes = [];
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var remaps = (0, _create2.default)(null);
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var requires = (0, _create2.default)(null);
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function addRequire(source, blockHoist) {
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var cached = requires[source];
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if (cached) return cached;
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var ref = path.scope.generateUidIdentifier((0, _path2.basename)(source, (0, _path2.extname)(source)));
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var varDecl = t.variableDeclaration("var", [t.variableDeclarator(ref, buildRequire(t.stringLiteral(source)).expression)]);
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if (imports[source]) {
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varDecl.loc = imports[source].loc;
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}
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if (typeof blockHoist === "number" && blockHoist > 0) {
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varDecl._blockHoist = blockHoist;
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}
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topNodes.push(varDecl);
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return requires[source] = ref;
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}
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function addTo(obj, key, arr) {
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var existing = obj[key] || [];
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obj[key] = existing.concat(arr);
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}
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for (var _iterator4 = body, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : (0, _getIterator3.default)(_iterator4);;) {
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var _ref4;
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if (_isArray4) {
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if (_i4 >= _iterator4.length) break;
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_ref4 = _iterator4[_i4++];
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} else {
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_i4 = _iterator4.next();
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if (_i4.done) break;
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_ref4 = _i4.value;
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}
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var _path = _ref4;
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if (_path.isExportDeclaration()) {
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hasExports = true;
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var specifiers = [].concat(_path.get("declaration"), _path.get("specifiers"));
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for (var _iterator6 = specifiers, _isArray6 = Array.isArray(_iterator6), _i6 = 0, _iterator6 = _isArray6 ? _iterator6 : (0, _getIterator3.default)(_iterator6);;) {
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var _ref6;
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if (_isArray6) {
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if (_i6 >= _iterator6.length) break;
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_ref6 = _iterator6[_i6++];
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} else {
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_i6 = _iterator6.next();
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if (_i6.done) break;
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_ref6 = _i6.value;
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}
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var _specifier2 = _ref6;
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var ids = _specifier2.getBindingIdentifiers();
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if (ids.__esModule) {
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throw _specifier2.buildCodeFrameError("Illegal export \"__esModule\"");
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}
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}
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}
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if (_path.isImportDeclaration()) {
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var _importsEntry$specifi;
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hasImports = true;
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var key = _path.node.source.value;
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var importsEntry = imports[key] || {
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specifiers: [],
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maxBlockHoist: 0,
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loc: _path.node.loc
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};
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(_importsEntry$specifi = importsEntry.specifiers).push.apply(_importsEntry$specifi, _path.node.specifiers);
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if (typeof _path.node._blockHoist === "number") {
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importsEntry.maxBlockHoist = Math.max(_path.node._blockHoist, importsEntry.maxBlockHoist);
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}
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imports[key] = importsEntry;
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_path.remove();
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} else if (_path.isExportDefaultDeclaration()) {
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var declaration = _path.get("declaration");
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if (declaration.isFunctionDeclaration()) {
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var id = declaration.node.id;
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var defNode = t.identifier("default");
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if (id) {
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addTo(exports, id.name, defNode);
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topNodes.push(buildExportsAssignment(defNode, id));
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_path.replaceWith(declaration.node);
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} else {
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topNodes.push(buildExportsAssignment(defNode, t.toExpression(declaration.node)));
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_path.remove();
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}
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} else if (declaration.isClassDeclaration()) {
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var _id = declaration.node.id;
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var _defNode = t.identifier("default");
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if (_id) {
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addTo(exports, _id.name, _defNode);
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_path.replaceWithMultiple([declaration.node, buildExportsAssignment(_defNode, _id)]);
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} else {
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_path.replaceWith(buildExportsAssignment(_defNode, t.toExpression(declaration.node)));
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_path.parentPath.requeue(_path.get("expression.left"));
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}
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} else {
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_path.replaceWith(buildExportsAssignment(t.identifier("default"), declaration.node));
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_path.parentPath.requeue(_path.get("expression.left"));
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}
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} else if (_path.isExportNamedDeclaration()) {
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var _declaration = _path.get("declaration");
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if (_declaration.node) {
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if (_declaration.isFunctionDeclaration()) {
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var _id2 = _declaration.node.id;
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addTo(exports, _id2.name, _id2);
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topNodes.push(buildExportsAssignment(_id2, _id2));
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_path.replaceWith(_declaration.node);
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} else if (_declaration.isClassDeclaration()) {
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var _id3 = _declaration.node.id;
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addTo(exports, _id3.name, _id3);
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_path.replaceWithMultiple([_declaration.node, buildExportsAssignment(_id3, _id3)]);
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nonHoistedExportNames[_id3.name] = true;
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} else if (_declaration.isVariableDeclaration()) {
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var declarators = _declaration.get("declarations");
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for (var _iterator7 = declarators, _isArray7 = Array.isArray(_iterator7), _i7 = 0, _iterator7 = _isArray7 ? _iterator7 : (0, _getIterator3.default)(_iterator7);;) {
|
var _ref7;
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|
if (_isArray7) {
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if (_i7 >= _iterator7.length) break;
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_ref7 = _iterator7[_i7++];
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} else {
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_i7 = _iterator7.next();
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if (_i7.done) break;
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_ref7 = _i7.value;
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}
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var decl = _ref7;
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var _id4 = decl.get("id");
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var init = decl.get("init");
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var exportsToInsert = [];
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if (!init.node) init.replaceWith(t.identifier("undefined"));
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|
if (_id4.isIdentifier()) {
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addTo(exports, _id4.node.name, _id4.node);
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init.replaceWith(buildExportsAssignment(_id4.node, init.node).expression);
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nonHoistedExportNames[_id4.node.name] = true;
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} else if (_id4.isObjectPattern()) {
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for (var _i8 = 0; _i8 < _id4.node.properties.length; _i8++) {
|
var prop = _id4.node.properties[_i8];
|
var propValue = prop.value;
|
if (t.isAssignmentPattern(propValue)) {
|
propValue = propValue.left;
|
} else if (t.isRestProperty(prop)) {
|
propValue = prop.argument;
|
}
|
addTo(exports, propValue.name, propValue);
|
exportsToInsert.push(buildExportsAssignment(propValue, propValue));
|
nonHoistedExportNames[propValue.name] = true;
|
}
|
} else if (_id4.isArrayPattern() && _id4.node.elements) {
|
for (var _i9 = 0; _i9 < _id4.node.elements.length; _i9++) {
|
var elem = _id4.node.elements[_i9];
|
if (!elem) continue;
|
if (t.isAssignmentPattern(elem)) {
|
elem = elem.left;
|
} else if (t.isRestElement(elem)) {
|
elem = elem.argument;
|
}
|
var name = elem.name;
|
addTo(exports, name, elem);
|
exportsToInsert.push(buildExportsAssignment(elem, elem));
|
nonHoistedExportNames[name] = true;
|
}
|
}
|
_path.insertAfter(exportsToInsert);
|
}
|
_path.replaceWith(_declaration.node);
|
}
|
continue;
|
}
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|
var _specifiers = _path.get("specifiers");
|
var nodes = [];
|
var _source = _path.node.source;
|
if (_source) {
|
var ref = addRequire(_source.value, _path.node._blockHoist);
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|
for (var _iterator8 = _specifiers, _isArray8 = Array.isArray(_iterator8), _i10 = 0, _iterator8 = _isArray8 ? _iterator8 : (0, _getIterator3.default)(_iterator8);;) {
|
var _ref8;
|
|
if (_isArray8) {
|
if (_i10 >= _iterator8.length) break;
|
_ref8 = _iterator8[_i10++];
|
} else {
|
_i10 = _iterator8.next();
|
if (_i10.done) break;
|
_ref8 = _i10.value;
|
}
|
|
var _specifier3 = _ref8;
|
|
if (_specifier3.isExportNamespaceSpecifier()) {} else if (_specifier3.isExportDefaultSpecifier()) {} else if (_specifier3.isExportSpecifier()) {
|
if (!noInterop && _specifier3.node.local.name === "default") {
|
topNodes.push(buildExportsFrom(t.stringLiteral(_specifier3.node.exported.name), t.memberExpression(t.callExpression(this.addHelper("interopRequireDefault"), [ref]), _specifier3.node.local)));
|
} else {
|
topNodes.push(buildExportsFrom(t.stringLiteral(_specifier3.node.exported.name), t.memberExpression(ref, _specifier3.node.local)));
|
}
|
nonHoistedExportNames[_specifier3.node.exported.name] = true;
|
}
|
}
|
} else {
|
for (var _iterator9 = _specifiers, _isArray9 = Array.isArray(_iterator9), _i11 = 0, _iterator9 = _isArray9 ? _iterator9 : (0, _getIterator3.default)(_iterator9);;) {
|
var _ref9;
|
|
if (_isArray9) {
|
if (_i11 >= _iterator9.length) break;
|
_ref9 = _iterator9[_i11++];
|
} else {
|
_i11 = _iterator9.next();
|
if (_i11.done) break;
|
_ref9 = _i11.value;
|
}
|
|
var _specifier4 = _ref9;
|
|
if (_specifier4.isExportSpecifier()) {
|
addTo(exports, _specifier4.node.local.name, _specifier4.node.exported);
|
nonHoistedExportNames[_specifier4.node.exported.name] = true;
|
nodes.push(buildExportsAssignment(_specifier4.node.exported, _specifier4.node.local));
|
}
|
}
|
}
|
_path.replaceWithMultiple(nodes);
|
} else if (_path.isExportAllDeclaration()) {
|
var exportNode = buildExportAll({
|
OBJECT: addRequire(_path.node.source.value, _path.node._blockHoist)
|
});
|
exportNode.loc = _path.node.loc;
|
topNodes.push(exportNode);
|
_path.remove();
|
}
|
}
|
|
for (var source in imports) {
|
var _imports$source = imports[source],
|
specifiers = _imports$source.specifiers,
|
maxBlockHoist = _imports$source.maxBlockHoist;
|
|
if (specifiers.length) {
|
var uid = addRequire(source, maxBlockHoist);
|
|
var wildcard = void 0;
|
|
for (var i = 0; i < specifiers.length; i++) {
|
var specifier = specifiers[i];
|
if (t.isImportNamespaceSpecifier(specifier)) {
|
if (strict || noInterop) {
|
remaps[specifier.local.name] = uid;
|
} else {
|
var varDecl = t.variableDeclaration("var", [t.variableDeclarator(specifier.local, t.callExpression(this.addHelper("interopRequireWildcard"), [uid]))]);
|
|
if (maxBlockHoist > 0) {
|
varDecl._blockHoist = maxBlockHoist;
|
}
|
|
topNodes.push(varDecl);
|
}
|
wildcard = specifier.local;
|
} else if (t.isImportDefaultSpecifier(specifier)) {
|
specifiers[i] = t.importSpecifier(specifier.local, t.identifier("default"));
|
}
|
}
|
|
for (var _iterator5 = specifiers, _isArray5 = Array.isArray(_iterator5), _i5 = 0, _iterator5 = _isArray5 ? _iterator5 : (0, _getIterator3.default)(_iterator5);;) {
|
var _ref5;
|
|
if (_isArray5) {
|
if (_i5 >= _iterator5.length) break;
|
_ref5 = _iterator5[_i5++];
|
} else {
|
_i5 = _iterator5.next();
|
if (_i5.done) break;
|
_ref5 = _i5.value;
|
}
|
|
var _specifier = _ref5;
|
|
if (t.isImportSpecifier(_specifier)) {
|
var target = uid;
|
if (_specifier.imported.name === "default") {
|
if (wildcard) {
|
target = wildcard;
|
} else if (!noInterop) {
|
target = wildcard = path.scope.generateUidIdentifier(uid.name);
|
var _varDecl = t.variableDeclaration("var", [t.variableDeclarator(target, t.callExpression(this.addHelper("interopRequireDefault"), [uid]))]);
|
|
if (maxBlockHoist > 0) {
|
_varDecl._blockHoist = maxBlockHoist;
|
}
|
|
topNodes.push(_varDecl);
|
}
|
}
|
remaps[_specifier.local.name] = t.memberExpression(t.cloneWithoutLoc(target), t.cloneWithoutLoc(_specifier.imported));
|
}
|
}
|
} else {
|
var requireNode = buildRequire(t.stringLiteral(source));
|
requireNode.loc = imports[source].loc;
|
topNodes.push(requireNode);
|
}
|
}
|
|
if (hasImports && (0, _keys2.default)(nonHoistedExportNames).length) {
|
var maxHoistedExportsNodeAssignmentLength = 100;
|
var nonHoistedExportNamesArr = (0, _keys2.default)(nonHoistedExportNames);
|
|
var _loop = function _loop(currentExportsNodeAssignmentLength) {
|
var nonHoistedExportNamesChunk = nonHoistedExportNamesArr.slice(currentExportsNodeAssignmentLength, currentExportsNodeAssignmentLength + maxHoistedExportsNodeAssignmentLength);
|
|
var hoistedExportsNode = t.identifier("undefined");
|
|
nonHoistedExportNamesChunk.forEach(function (name) {
|
hoistedExportsNode = buildExportsAssignment(t.identifier(name), hoistedExportsNode).expression;
|
});
|
|
var node = t.expressionStatement(hoistedExportsNode);
|
node._blockHoist = 3;
|
|
topNodes.unshift(node);
|
};
|
|
for (var currentExportsNodeAssignmentLength = 0; currentExportsNodeAssignmentLength < nonHoistedExportNamesArr.length; currentExportsNodeAssignmentLength += maxHoistedExportsNodeAssignmentLength) {
|
_loop(currentExportsNodeAssignmentLength);
|
}
|
}
|
|
if (hasExports && !strict) {
|
var buildTemplate = buildExportsModuleDeclaration;
|
if (this.opts.loose) buildTemplate = buildLooseExportsModuleDeclaration;
|
|
var declar = buildTemplate();
|
declar._blockHoist = 3;
|
|
topNodes.unshift(declar);
|
}
|
|
path.unshiftContainer("body", topNodes);
|
path.traverse(reassignmentVisitor, {
|
remaps: remaps,
|
scope: scope,
|
exports: exports,
|
requeueInParent: function requeueInParent(newPath) {
|
return path.requeue(newPath);
|
}
|
});
|
}
|
}
|
}
|
};
|
};
|
|
var _path2 = require("path");
|
|
var _babelTemplate = require("babel-template");
|
|
var _babelTemplate2 = _interopRequireDefault(_babelTemplate);
|
|
var _babelPluginTransformStrictMode = require("babel-plugin-transform-strict-mode");
|
|
var _babelPluginTransformStrictMode2 = _interopRequireDefault(_babelPluginTransformStrictMode);
|
|
var _babelTypes = require("babel-types");
|
|
var t = _interopRequireWildcard(_babelTypes);
|
|
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
|
|
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
|
|
var buildRequire = (0, _babelTemplate2.default)("\n require($0);\n");
|
|
var buildExportsModuleDeclaration = (0, _babelTemplate2.default)("\n Object.defineProperty(exports, \"__esModule\", {\n value: true\n });\n");
|
|
var buildExportsFrom = (0, _babelTemplate2.default)("\n Object.defineProperty(exports, $0, {\n enumerable: true,\n get: function () {\n return $1;\n }\n });\n");
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var buildLooseExportsModuleDeclaration = (0, _babelTemplate2.default)("\n exports.__esModule = true;\n");
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var buildExportsAssignment = (0, _babelTemplate2.default)("\n exports.$0 = $1;\n");
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var buildExportAll = (0, _babelTemplate2.default)("\n Object.keys(OBJECT).forEach(function (key) {\n if (key === \"default\" || key === \"__esModule\") return;\n Object.defineProperty(exports, key, {\n enumerable: true,\n get: function () {\n return OBJECT[key];\n }\n });\n });\n");
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var THIS_BREAK_KEYS = ["FunctionExpression", "FunctionDeclaration", "ClassProperty", "ClassMethod", "ObjectMethod"];
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module.exports = exports["default"];
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