Current Dev State

static/js/ketcher2/node_modules/babel-plugin-transform-es2015-computed-properties/lib/index.js

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+"use strict";
+
+exports.__esModule = true;
+
+var _getIterator2 = require("babel-runtime/core-js/get-iterator");
+
+var _getIterator3 = _interopRequireDefault(_getIterator2);
+
+exports.default = function (_ref) {
+  var t = _ref.types,
+      template = _ref.template;
+
+  var buildMutatorMapAssign = template("\n    MUTATOR_MAP_REF[KEY] = MUTATOR_MAP_REF[KEY] || {};\n    MUTATOR_MAP_REF[KEY].KIND = VALUE;\n  ");
+
+  function getValue(prop) {
+    if (t.isObjectProperty(prop)) {
+      return prop.value;
+    } else if (t.isObjectMethod(prop)) {
+      return t.functionExpression(null, prop.params, prop.body, prop.generator, prop.async);
+    }
+  }
+
+  function pushAssign(objId, prop, body) {
+    if (prop.kind === "get" && prop.kind === "set") {
+      pushMutatorDefine(objId, prop, body);
+    } else {
+      body.push(t.expressionStatement(t.assignmentExpression("=", t.memberExpression(objId, prop.key, prop.computed || t.isLiteral(prop.key)), getValue(prop))));
+    }
+  }
+
+  function pushMutatorDefine(_ref2, prop) {
+    var objId = _ref2.objId,
+        body = _ref2.body,
+        getMutatorId = _ref2.getMutatorId,
+        scope = _ref2.scope;
+
+    var key = !prop.computed && t.isIdentifier(prop.key) ? t.stringLiteral(prop.key.name) : prop.key;
+
+    var maybeMemoise = scope.maybeGenerateMemoised(key);
+    if (maybeMemoise) {
+      body.push(t.expressionStatement(t.assignmentExpression("=", maybeMemoise, key)));
+      key = maybeMemoise;
+    }
+
+    body.push.apply(body, buildMutatorMapAssign({
+      MUTATOR_MAP_REF: getMutatorId(),
+      KEY: key,
+      VALUE: getValue(prop),
+      KIND: t.identifier(prop.kind)
+    }));
+  }
+
+  function loose(info) {
+    for (var _iterator = info.computedProps, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) {
+      var _ref3;
+
+      if (_isArray) {
+        if (_i >= _iterator.length) break;
+        _ref3 = _iterator[_i++];
+      } else {
+        _i = _iterator.next();
+        if (_i.done) break;
+        _ref3 = _i.value;
+      }
+
+      var prop = _ref3;
+
+      if (prop.kind === "get" || prop.kind === "set") {
+        pushMutatorDefine(info, prop);
+      } else {
+        pushAssign(info.objId, prop, info.body);
+      }
+    }
+  }
+
+  function spec(info) {
+    var objId = info.objId,
+        body = info.body,
+        computedProps = info.computedProps,
+        state = info.state;
+
+
+    for (var _iterator2 = computedProps, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : (0, _getIterator3.default)(_iterator2);;) {
+      var _ref4;
+
+      if (_isArray2) {
+        if (_i2 >= _iterator2.length) break;
+        _ref4 = _iterator2[_i2++];
+      } else {
+        _i2 = _iterator2.next();
+        if (_i2.done) break;
+        _ref4 = _i2.value;
+      }
+
+      var prop = _ref4;
+
+      var key = t.toComputedKey(prop);
+
+      if (prop.kind === "get" || prop.kind === "set") {
+        pushMutatorDefine(info, prop);
+      } else if (t.isStringLiteral(key, { value: "__proto__" })) {
+        pushAssign(objId, prop, body);
+      } else {
+        if (computedProps.length === 1) {
+          return t.callExpression(state.addHelper("defineProperty"), [info.initPropExpression, key, getValue(prop)]);
+        } else {
+          body.push(t.expressionStatement(t.callExpression(state.addHelper("defineProperty"), [objId, key, getValue(prop)])));
+        }
+      }
+    }
+  }
+
+  return {
+    visitor: {
+      ObjectExpression: {
+        exit: function exit(path, state) {
+          var node = path.node,
+              parent = path.parent,
+              scope = path.scope;
+
+          var hasComputed = false;
+          for (var _iterator3 = node.properties, _isArray3 = Array.isArray(_iterator3), _i3 = 0, _iterator3 = _isArray3 ? _iterator3 : (0, _getIterator3.default)(_iterator3);;) {
+            var _ref5;
+
+            if (_isArray3) {
+              if (_i3 >= _iterator3.length) break;
+              _ref5 = _iterator3[_i3++];
+            } else {
+              _i3 = _iterator3.next();
+              if (_i3.done) break;
+              _ref5 = _i3.value;
+            }
+
+            var prop = _ref5;
+
+            hasComputed = prop.computed === true;
+            if (hasComputed) break;
+          }
+          if (!hasComputed) return;
+
+          var initProps = [];
+          var computedProps = [];
+          var foundComputed = false;
+
+          for (var _iterator4 = node.properties, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : (0, _getIterator3.default)(_iterator4);;) {
+            var _ref6;
+
+            if (_isArray4) {
+              if (_i4 >= _iterator4.length) break;
+              _ref6 = _iterator4[_i4++];
+            } else {
+              _i4 = _iterator4.next();
+              if (_i4.done) break;
+              _ref6 = _i4.value;
+            }
+
+            var _prop = _ref6;
+
+            if (_prop.computed) {
+              foundComputed = true;
+            }
+
+            if (foundComputed) {
+              computedProps.push(_prop);
+            } else {
+              initProps.push(_prop);
+            }
+          }
+
+          var objId = scope.generateUidIdentifierBasedOnNode(parent);
+          var initPropExpression = t.objectExpression(initProps);
+          var body = [];
+
+          body.push(t.variableDeclaration("var", [t.variableDeclarator(objId, initPropExpression)]));
+
+          var callback = spec;
+          if (state.opts.loose) callback = loose;
+
+          var mutatorRef = void 0;
+
+          var getMutatorId = function getMutatorId() {
+            if (!mutatorRef) {
+              mutatorRef = scope.generateUidIdentifier("mutatorMap");
+
+              body.push(t.variableDeclaration("var", [t.variableDeclarator(mutatorRef, t.objectExpression([]))]));
+            }
+
+            return mutatorRef;
+          };
+
+          var single = callback({
+            scope: scope,
+            objId: objId,
+            body: body,
+            computedProps: computedProps,
+            initPropExpression: initPropExpression,
+            getMutatorId: getMutatorId,
+            state: state
+          });
+
+          if (mutatorRef) {
+            body.push(t.expressionStatement(t.callExpression(state.addHelper("defineEnumerableProperties"), [objId, mutatorRef])));
+          }
+
+          if (single) {
+            path.replaceWith(single);
+          } else {
+            body.push(t.expressionStatement(objId));
+            path.replaceWithMultiple(body);
+          }
+        }
+      }
+    }
+  };
+};
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+module.exports = exports["default"];