Changing front

front/app/node_modules/@babel/helper-simple-access/lib/index.js

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+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = simplifyAccess;
+var _t = require("@babel/types");
+const {
+  LOGICAL_OPERATORS,
+  assignmentExpression,
+  binaryExpression,
+  cloneNode,
+  identifier,
+  logicalExpression,
+  numericLiteral,
+  sequenceExpression,
+  unaryExpression
+} = _t;
+const simpleAssignmentVisitor = {
+  UpdateExpression: {
+    exit(path) {
+      const {
+        scope,
+        bindingNames,
+        includeUpdateExpression
+      } = this;
+      if (!includeUpdateExpression) {
+        return;
+      }
+      const arg = path.get("argument");
+      if (!arg.isIdentifier()) return;
+      const localName = arg.node.name;
+      if (!bindingNames.has(localName)) return;
+
+      if (scope.getBinding(localName) !== path.scope.getBinding(localName)) {
+        return;
+      }
+      if (path.parentPath.isExpressionStatement() && !path.isCompletionRecord()) {
+        const operator = path.node.operator == "++" ? "+=" : "-=";
+        path.replaceWith(assignmentExpression(operator, arg.node, numericLiteral(1)));
+      } else if (path.node.prefix) {
+        path.replaceWith(assignmentExpression("=", identifier(localName), binaryExpression(path.node.operator[0], unaryExpression("+", arg.node), numericLiteral(1))));
+      } else {
+        const old = path.scope.generateUidIdentifierBasedOnNode(arg.node, "old");
+        const varName = old.name;
+        path.scope.push({
+          id: old
+        });
+        const binary = binaryExpression(path.node.operator[0], identifier(varName),
+        numericLiteral(1));
+
+        path.replaceWith(sequenceExpression([assignmentExpression("=", identifier(varName), unaryExpression("+", arg.node)), assignmentExpression("=", cloneNode(arg.node), binary), identifier(varName)]));
+      }
+    }
+  },
+  AssignmentExpression: {
+    exit(path) {
+      const {
+        scope,
+        seen,
+        bindingNames
+      } = this;
+      if (path.node.operator === "=") return;
+      if (seen.has(path.node)) return;
+      seen.add(path.node);
+      const left = path.get("left");
+      if (!left.isIdentifier()) return;
+
+      const localName = left.node.name;
+      if (!bindingNames.has(localName)) return;
+
+      if (scope.getBinding(localName) !== path.scope.getBinding(localName)) {
+        return;
+      }
+      const operator = path.node.operator.slice(0, -1);
+      if (LOGICAL_OPERATORS.includes(operator)) {
+        path.replaceWith(logicalExpression(
+        operator, path.node.left, assignmentExpression("=", cloneNode(path.node.left), path.node.right)));
+      } else {
+        path.node.right = binaryExpression(
+        operator, cloneNode(path.node.left), path.node.right);
+        path.node.operator = "=";
+      }
+    }
+  }
+};
+function simplifyAccess(path, bindingNames,
+includeUpdateExpression = true) {
+  path.traverse(simpleAssignmentVisitor, {
+    scope: path.scope,
+    bindingNames,
+    seen: new WeakSet(),
+    includeUpdateExpression
+  });
+}
+
+//# sourceMappingURL=index.js.map

front/app/node_modules/@babel/helper-simple-access/lib/index.js.map

@@ -0,0 +1 @@
+{"version":3,"names":["LOGICAL_OPERATORS","assignmentExpression","binaryExpression","cloneNode","identifier","logicalExpression","numericLiteral","sequenceExpression","unaryExpression","simpleAssignmentVisitor","UpdateExpression","exit","path","scope","bindingNames","includeUpdateExpression","arg","get","isIdentifier","localName","node","name","has","getBinding","parentPath","isExpressionStatement","isCompletionRecord","operator","replaceWith","prefix","old","generateUidIdentifierBasedOnNode","varName","push","id","binary","AssignmentExpression","seen","add","left","slice","includes","right","simplifyAccess","traverse","WeakSet"],"sources":["../src/index.ts"],"sourcesContent":["import {\n  LOGICAL_OPERATORS,\n  assignmentExpression,\n  binaryExpression,\n  cloneNode,\n  identifier,\n  logicalExpression,\n  numericLiteral,\n  sequenceExpression,\n  unaryExpression,\n} from \"@babel/types\";\nimport type * as t from \"@babel/types\";\nimport type { NodePath, Scope, Visitor } from \"@babel/traverse\";\n\ntype State = {\n  scope: Scope;\n  bindingNames: Set<string>;\n  seen: WeakSet<t.Node>;\n  includeUpdateExpression: boolean;\n};\n\nconst simpleAssignmentVisitor: Visitor<State> = {\n  // TODO(Babel 8): Remove UpdateExpression\n  UpdateExpression: {\n    exit(path) {\n      const { scope, bindingNames, includeUpdateExpression } = this;\n      if (!includeUpdateExpression) {\n        return;\n      }\n\n      const arg = path.get(\"argument\");\n      if (!arg.isIdentifier()) return;\n      const localName = arg.node.name;\n\n      if (!bindingNames.has(localName)) return;\n\n      // redeclared in this scope\n      if (scope.getBinding(localName) !== path.scope.getBinding(localName)) {\n        return;\n      }\n\n      if (\n        path.parentPath.isExpressionStatement() &&\n        !path.isCompletionRecord()\n      ) {\n        // ++i => (i += 1);\n        const operator = path.node.operator == \"++\" ? \"+=\" : \"-=\";\n        path.replaceWith(\n          assignmentExpression(operator, arg.node, numericLiteral(1)),\n        );\n      } else if (path.node.prefix) {\n        // ++i => (i = (+i) + 1);\n        path.replaceWith(\n          assignmentExpression(\n            \"=\",\n            identifier(localName),\n            binaryExpression(\n              path.node.operator[0] as \"+\" | \"-\",\n              unaryExpression(\"+\", arg.node),\n              numericLiteral(1),\n            ),\n          ),\n        );\n      } else {\n        const old = path.scope.generateUidIdentifierBasedOnNode(\n          arg.node,\n          \"old\",\n        );\n        const varName = old.name;\n        path.scope.push({ id: old });\n\n        const binary = binaryExpression(\n          path.node.operator[0] as \"+\" | \"-\",\n          identifier(varName),\n          // todo: support bigint\n          numericLiteral(1),\n        );\n\n        // i++ => (_old = (+i), i = _old + 1, _old)\n        path.replaceWith(\n          sequenceExpression([\n            assignmentExpression(\n              \"=\",\n              identifier(varName),\n              unaryExpression(\"+\", arg.node),\n            ),\n            assignmentExpression(\"=\", cloneNode(arg.node), binary),\n            identifier(varName),\n          ]),\n        );\n      }\n    },\n  },\n\n  AssignmentExpression: {\n    exit(path) {\n      const { scope, seen, bindingNames } = this;\n\n      if (path.node.operator === \"=\") return;\n\n      if (seen.has(path.node)) return;\n      seen.add(path.node);\n\n      const left = path.get(\"left\");\n      if (!left.isIdentifier()) return;\n\n      // Simple update-assign foo += 1;\n      // =>   exports.foo =  (foo += 1);\n      const localName = left.node.name;\n\n      if (!bindingNames.has(localName)) return;\n\n      // redeclared in this scope\n      if (scope.getBinding(localName) !== path.scope.getBinding(localName)) {\n        return;\n      }\n\n      const operator = path.node.operator.slice(0, -1);\n      if (LOGICAL_OPERATORS.includes(operator)) {\n        // &&, ||, ??\n        // (foo &&= bar) => (foo && foo = bar)\n        path.replaceWith(\n          logicalExpression(\n            // @ts-expect-error Guarded by LOGICAL_OPERATORS.includes\n            operator,\n            path.node.left,\n            assignmentExpression(\n              \"=\",\n              cloneNode(path.node.left),\n              path.node.right,\n            ),\n          ),\n        );\n      } else {\n        // (foo += bar) => (foo = foo + bar)\n        path.node.right = binaryExpression(\n          // @ts-expect-error An assignment expression operator removing \"=\" must\n          // be a valid binary operator\n          operator,\n          cloneNode(path.node.left),\n          path.node.right,\n        );\n        path.node.operator = \"=\";\n      }\n    },\n  },\n};\n\nexport default function simplifyAccess(\n  path: NodePath,\n  bindingNames: Set<string>,\n  // TODO(Babel 8): Remove this\n  includeUpdateExLine truncated