v3 new release (#80)

node_modules/@babel/traverse/lib/scope/binding.js

@@ -0,0 +1,75 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+class Binding {
+  constructor({
+    identifier,
+    scope,
+    path,
+    kind
+  }) {
+    this.identifier = void 0;
+    this.scope = void 0;
+    this.path = void 0;
+    this.kind = void 0;
+    this.constantViolations = [];
+    this.constant = true;
+    this.referencePaths = [];
+    this.referenced = false;
+    this.references = 0;
+    this.identifier = identifier;
+    this.scope = scope;
+    this.path = path;
+    this.kind = kind;
+    this.clearValue();
+  }
+
+  deoptValue() {
+    this.clearValue();
+    this.hasDeoptedValue = true;
+  }
+
+  setValue(value) {
+    if (this.hasDeoptedValue) return;
+    this.hasValue = true;
+    this.value = value;
+  }
+
+  clearValue() {
+    this.hasDeoptedValue = false;
+    this.hasValue = false;
+    this.value = null;
+  }
+
+  reassign(path) {
+    this.constant = false;
+
+    if (this.constantViolations.indexOf(path) !== -1) {
+      return;
+    }
+
+    this.constantViolations.push(path);
+  }
+
+  reference(path) {
+    if (this.referencePaths.indexOf(path) !== -1) {
+      return;
+    }
+
+    this.referenced = true;
+    this.references++;
+    this.referencePaths.push(path);
+  }
+
+  dereference() {
+    this.references--;
+    this.referenced = !!this.references;
+  }
+
+}
+
+exports.default = Binding;

node_modules/@babel/traverse/lib/scope/lib/renamer.js

@@ -0,0 +1,146 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _binding = require("../binding");
+
+var _helperSplitExportDeclaration = require("@babel/helper-split-export-declaration");
+
+var _t = require("@babel/types");
+
+const {
+  VISITOR_KEYS,
+  assignmentExpression,
+  identifier,
+  toExpression,
+  variableDeclaration,
+  variableDeclarator
+} = _t;
+const renameVisitor = {
+  ReferencedIdentifier({
+    node
+  }, state) {
+    if (node.name === state.oldName) {
+      node.name = state.newName;
+    }
+  },
+
+  Scope(path, state) {
+    if (!path.scope.bindingIdentifierEquals(state.oldName, state.binding.identifier)) {
+      skipAllButComputedMethodKey(path);
+    }
+  },
+
+  "AssignmentExpression|Declaration|VariableDeclarator"(path, state) {
+    if (path.isVariableDeclaration()) return;
+    const ids = path.getOuterBindingIdentifiers();
+
+    for (const name in ids) {
+      if (name === state.oldName) ids[name].name = state.newName;
+    }
+  }
+
+};
+
+class Renamer {
+  constructor(binding, oldName, newName) {
+    this.newName = newName;
+    this.oldName = oldName;
+    this.binding = binding;
+  }
+
+  maybeConvertFromExportDeclaration(parentDeclar) {
+    const maybeExportDeclar = parentDeclar.parentPath;
+
+    if (!maybeExportDeclar.isExportDeclaration()) {
+      return;
+    }
+
+    if (maybeExportDeclar.isExportDefaultDeclaration() && !maybeExportDeclar.get("declaration").node.id) {
+      return;
+    }
+
+    (0, _helperSplitExportDeclaration.default)(maybeExportDeclar);
+  }
+
+  maybeConvertFromClassFunctionDeclaration(path) {
+    return;
+    if (!path.isFunctionDeclaration() && !path.isClassDeclaration()) return;
+    if (this.binding.kind !== "hoisted") return;
+    path.node.id = identifier(this.oldName);
+    path.node._blockHoist = 3;
+    path.replaceWith(variableDeclaration("let", [variableDeclarator(identifier(this.newName), toExpression(path.node))]));
+  }
+
+  maybeConvertFromClassFunctionExpression(path) {
+    return;
+    if (!path.isFunctionExpression() && !path.isClassExpression()) return;
+    if (this.binding.kind !== "local") return;
+    path.node.id = identifier(this.oldName);
+    this.binding.scope.parent.push({
+      id: identifier(this.newName)
+    });
+    path.replaceWith(assignmentExpression("=", identifier(this.newName), path.node));
+  }
+
+  rename(block) {
+    const {
+      binding,
+      oldName,
+      newName
+    } = this;
+    const {
+      scope,
+      path
+    } = binding;
+    const parentDeclar = path.find(path => path.isDeclaration() || path.isFunctionExpression() || path.isClassExpression());
+
+    if (parentDeclar) {
+      const bindingIds = parentDeclar.getOuterBindingIdentifiers();
+
+      if (bindingIds[oldName] === binding.identifier) {
+        this.maybeConvertFromExportDeclaration(parentDeclar);
+      }
+    }
+
+    const blockToTraverse = block || scope.block;
+
+    if ((blockToTraverse == null ? void 0 : blockToTraverse.type) === "SwitchStatement") {
+      blockToTraverse.cases.forEach(c => {
+        scope.traverse(c, renameVisitor, this);
+      });
+    } else {
+      scope.traverse(blockToTraverse, renameVisitor, this);
+    }
+
+    if (!block) {
+      scope.removeOwnBinding(oldName);
+      scope.bindings[newName] = binding;
+      this.binding.identifier.name = newName;
+    }
+
+    if (parentDeclar) {
+      this.maybeConvertFromClassFunctionDeclaration(parentDeclar);
+      this.maybeConvertFromClassFunctionExpression(parentDeclar);
+    }
+  }
+
+}
+
+exports.default = Renamer;
+
+function skipAllButComputedMethodKey(path) {
+  if (!path.isMethod() || !path.node.computed) {
+    path.skip();
+    return;
+  }
+
+  const keys = VISITOR_KEYS[path.type];
+
+  for (const key of keys) {
+    if (key !== "key") path.skipKey(key);
+  }
+}