diff options
Diffstat (limited to 'node_modules/babel-plugin-transform-es2015-modules-commonjs/lib/index.js')
| -rw-r--r-- | node_modules/babel-plugin-transform-es2015-modules-commonjs/lib/index.js | 613 |
1 files changed, 613 insertions, 0 deletions
diff --git a/node_modules/babel-plugin-transform-es2015-modules-commonjs/lib/index.js b/node_modules/babel-plugin-transform-es2015-modules-commonjs/lib/index.js new file mode 100644 index 0000000..04f0174 --- /dev/null +++ b/node_modules/babel-plugin-transform-es2015-modules-commonjs/lib/index.js @@ -0,0 +1,613 @@ +"use strict"; + +exports.__esModule = true; + +var _keys = require("babel-runtime/core-js/object/keys"); + +var _keys2 = _interopRequireDefault(_keys); + +var _create = require("babel-runtime/core-js/object/create"); + +var _create2 = _interopRequireDefault(_create); + +var _getIterator2 = require("babel-runtime/core-js/get-iterator"); + +var _getIterator3 = _interopRequireDefault(_getIterator2); + +var _symbol = require("babel-runtime/core-js/symbol"); + +var _symbol2 = _interopRequireDefault(_symbol); + +exports.default = function () { + var REASSIGN_REMAP_SKIP = (0, _symbol2.default)(); + + var reassignmentVisitor = { + ReferencedIdentifier: function ReferencedIdentifier(path) { + var name = path.node.name; + var remap = this.remaps[name]; + if (!remap) return; + + if (this.scope.getBinding(name) !== path.scope.getBinding(name)) return; + + var replacement = t.cloneDeep(remap); + + replacement.loc = path.node.loc; + + if (path.parentPath.isCallExpression({ callee: path.node })) { + path.replaceWith(t.sequenceExpression([t.numericLiteral(0), replacement])); + } else if (path.isJSXIdentifier() && t.isMemberExpression(replacement)) { + var object = replacement.object, + property = replacement.property; + + path.replaceWith(t.JSXMemberExpression(t.JSXIdentifier(object.name), t.JSXIdentifier(property.name))); + } else { + path.replaceWith(replacement); + } + this.requeueInParent(path); + }, + AssignmentExpression: function AssignmentExpression(path) { + var node = path.node; + if (node[REASSIGN_REMAP_SKIP]) return; + + var left = path.get("left"); + if (left.isIdentifier()) { + var name = left.node.name; + var exports = this.exports[name]; + if (!exports) return; + + if (this.scope.getBinding(name) !== path.scope.getBinding(name)) return; + + node[REASSIGN_REMAP_SKIP] = true; + + for (var _iterator = exports, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) { + var _ref; + + if (_isArray) { + if (_i >= _iterator.length) break; + _ref = _iterator[_i++]; + } else { + _i = _iterator.next(); + if (_i.done) break; + _ref = _i.value; + } + + var reid = _ref; + + node = buildExportsAssignment(reid, node).expression; + } + + path.replaceWith(node); + this.requeueInParent(path); + } else if (left.isObjectPattern()) { + for (var _iterator2 = left.node.properties, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : (0, _getIterator3.default)(_iterator2);;) { + var _ref2; + + if (_isArray2) { + if (_i2 >= _iterator2.length) break; + _ref2 = _iterator2[_i2++]; + } else { + _i2 = _iterator2.next(); + if (_i2.done) break; + _ref2 = _i2.value; + } + + var property = _ref2; + + var _name = property.value.name; + + var _exports = this.exports[_name]; + if (!_exports) continue; + + if (this.scope.getBinding(_name) !== path.scope.getBinding(_name)) return; + + node[REASSIGN_REMAP_SKIP] = true; + + path.insertAfter(buildExportsAssignment(t.identifier(_name), t.identifier(_name))); + } + } else if (left.isArrayPattern()) { + for (var _iterator3 = left.node.elements, _isArray3 = Array.isArray(_iterator3), _i3 = 0, _iterator3 = _isArray3 ? _iterator3 : (0, _getIterator3.default)(_iterator3);;) { + var _ref3; + + if (_isArray3) { + if (_i3 >= _iterator3.length) break; + _ref3 = _iterator3[_i3++]; + } else { + _i3 = _iterator3.next(); + if (_i3.done) break; + _ref3 = _i3.value; + } + + var element = _ref3; + + if (!element) continue; + var _name2 = element.name; + + var _exports2 = this.exports[_name2]; + if (!_exports2) continue; + + if (this.scope.getBinding(_name2) !== path.scope.getBinding(_name2)) return; + + node[REASSIGN_REMAP_SKIP] = true; + + path.insertAfter(buildExportsAssignment(t.identifier(_name2), t.identifier(_name2))); + } + } + }, + UpdateExpression: function UpdateExpression(path) { + var arg = path.get("argument"); + if (!arg.isIdentifier()) return; + + var name = arg.node.name; + var exports = this.exports[name]; + if (!exports) return; + + if (this.scope.getBinding(name) !== path.scope.getBinding(name)) return; + + var node = t.assignmentExpression(path.node.operator[0] + "=", arg.node, t.numericLiteral(1)); + + if (path.parentPath.isExpressionStatement() && !path.isCompletionRecord() || path.node.prefix) { + path.replaceWith(node); + this.requeueInParent(path); + return; + } + + var nodes = []; + nodes.push(node); + + var operator = void 0; + if (path.node.operator === "--") { + operator = "+"; + } else { + operator = "-"; + } + nodes.push(t.binaryExpression(operator, arg.node, t.numericLiteral(1))); + + path.replaceWithMultiple(t.sequenceExpression(nodes)); + } + }; + + return { + inherits: _babelPluginTransformStrictMode2.default, + + visitor: { + ThisExpression: function ThisExpression(path, state) { + if (this.ranCommonJS) return; + + if (state.opts.allowTopLevelThis !== true && !path.findParent(function (path) { + return !path.is("shadow") && THIS_BREAK_KEYS.indexOf(path.type) >= 0; + })) { + path.replaceWith(t.identifier("undefined")); + } + }, + + + Program: { + exit: function exit(path) { + this.ranCommonJS = true; + + var strict = !!this.opts.strict; + var noInterop = !!this.opts.noInterop; + + var scope = path.scope; + + scope.rename("module"); + scope.rename("exports"); + scope.rename("require"); + + var hasExports = false; + var hasImports = false; + + var body = path.get("body"); + var imports = (0, _create2.default)(null); + var exports = (0, _create2.default)(null); + + var nonHoistedExportNames = (0, _create2.default)(null); + + var topNodes = []; + var remaps = (0, _create2.default)(null); + + var requires = (0, _create2.default)(null); + + function addRequire(source, blockHoist) { + var cached = requires[source]; + if (cached) return cached; + + var ref = path.scope.generateUidIdentifier((0, _path2.basename)(source, (0, _path2.extname)(source))); + + var varDecl = t.variableDeclaration("var", [t.variableDeclarator(ref, buildRequire(t.stringLiteral(source)).expression)]); + + if (imports[source]) { + varDecl.loc = imports[source].loc; + } + + if (typeof blockHoist === "number" && blockHoist > 0) { + varDecl._blockHoist = blockHoist; + } + + topNodes.push(varDecl); + + return requires[source] = ref; + } + + function addTo(obj, key, arr) { + var existing = obj[key] || []; + obj[key] = existing.concat(arr); + } + + for (var _iterator4 = body, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : (0, _getIterator3.default)(_iterator4);;) { + var _ref4; + + if (_isArray4) { + if (_i4 >= _iterator4.length) break; + _ref4 = _iterator4[_i4++]; + } else { + _i4 = _iterator4.next(); + if (_i4.done) break; + _ref4 = _i4.value; + } + + var _path = _ref4; + + if (_path.isExportDeclaration()) { + hasExports = true; + + var specifiers = [].concat(_path.get("declaration"), _path.get("specifiers")); + for (var _iterator6 = specifiers, _isArray6 = Array.isArray(_iterator6), _i6 = 0, _iterator6 = _isArray6 ? _iterator6 : (0, _getIterator3.default)(_iterator6);;) { + var _ref6; + + if (_isArray6) { + if (_i6 >= _iterator6.length) break; + _ref6 = _iterator6[_i6++]; + } else { + _i6 = _iterator6.next(); + if (_i6.done) break; + _ref6 = _i6.value; + } + + var _specifier2 = _ref6; + + var ids = _specifier2.getBindingIdentifiers(); + if (ids.__esModule) { + throw _specifier2.buildCodeFrameError("Illegal export \"__esModule\""); + } + } + } + + if (_path.isImportDeclaration()) { + var _importsEntry$specifi; + + hasImports = true; + + var key = _path.node.source.value; + var importsEntry = imports[key] || { + specifiers: [], + maxBlockHoist: 0, + loc: _path.node.loc + }; + + (_importsEntry$specifi = importsEntry.specifiers).push.apply(_importsEntry$specifi, _path.node.specifiers); + + if (typeof _path.node._blockHoist === "number") { + importsEntry.maxBlockHoist = Math.max(_path.node._blockHoist, importsEntry.maxBlockHoist); + } + + imports[key] = importsEntry; + + _path.remove(); + } else if (_path.isExportDefaultDeclaration()) { + var declaration = _path.get("declaration"); + if (declaration.isFunctionDeclaration()) { + var id = declaration.node.id; + var defNode = t.identifier("default"); + if (id) { + addTo(exports, id.name, defNode); + topNodes.push(buildExportsAssignment(defNode, id)); + _path.replaceWith(declaration.node); + } else { + topNodes.push(buildExportsAssignment(defNode, t.toExpression(declaration.node))); + _path.remove(); + } + } else if (declaration.isClassDeclaration()) { + var _id = declaration.node.id; + var _defNode = t.identifier("default"); + if (_id) { + addTo(exports, _id.name, _defNode); + _path.replaceWithMultiple([declaration.node, buildExportsAssignment(_defNode, _id)]); + } else { + _path.replaceWith(buildExportsAssignment(_defNode, t.toExpression(declaration.node))); + + _path.parentPath.requeue(_path.get("expression.left")); + } + } else { + _path.replaceWith(buildExportsAssignment(t.identifier("default"), declaration.node)); + + _path.parentPath.requeue(_path.get("expression.left")); + } + } else if (_path.isExportNamedDeclaration()) { + var _declaration = _path.get("declaration"); + if (_declaration.node) { + if (_declaration.isFunctionDeclaration()) { + var _id2 = _declaration.node.id; + addTo(exports, _id2.name, _id2); + topNodes.push(buildExportsAssignment(_id2, _id2)); + _path.replaceWith(_declaration.node); + } else if (_declaration.isClassDeclaration()) { + var _id3 = _declaration.node.id; + addTo(exports, _id3.name, _id3); + _path.replaceWithMultiple([_declaration.node, buildExportsAssignment(_id3, _id3)]); + nonHoistedExportNames[_id3.name] = true; + } else if (_declaration.isVariableDeclaration()) { + var declarators = _declaration.get("declarations"); + for (var _iterator7 = declarators, _isArray7 = Array.isArray(_iterator7), _i7 = 0, _iterator7 = _isArray7 ? _iterator7 : (0, _getIterator3.default)(_iterator7);;) { + var _ref7; + + if (_isArray7) { + if (_i7 >= _iterator7.length) break; + _ref7 = _iterator7[_i7++]; + } else { + _i7 = _iterator7.next(); + if (_i7.done) break; + _ref7 = _i7.value; + } + + var decl = _ref7; + + var _id4 = decl.get("id"); + + var init = decl.get("init"); + var exportsToInsert = []; + if (!init.node) init.replaceWith(t.identifier("undefined")); + + if (_id4.isIdentifier()) { + addTo(exports, _id4.node.name, _id4.node); + init.replaceWith(buildExportsAssignment(_id4.node, init.node).expression); + nonHoistedExportNames[_id4.node.name] = true; + } else if (_id4.isObjectPattern()) { + 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; + } + + var _specifiers = _path.get("specifiers"); + var nodes = []; + var _source = _path.node.source; + if (_source) { + var ref = addRequire(_source.value, _path.node._blockHoist); + + 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"); + +var buildLooseExportsModuleDeclaration = (0, _babelTemplate2.default)("\n exports.__esModule = true;\n"); + +var buildExportsAssignment = (0, _babelTemplate2.default)("\n exports.$0 = $1;\n"); + +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"); + +var THIS_BREAK_KEYS = ["FunctionExpression", "FunctionDeclaration", "ClassProperty", "ClassMethod", "ObjectMethod"]; + +module.exports = exports["default"];
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