Changing front

front/app/node_modules/@babel/plugin-proposal-object-rest-spread/lib/index.js

@@ -0,0 +1,464 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+var helperPluginUtils = require('@babel/helper-plugin-utils');
+var syntaxObjectRestSpread = require('@babel/plugin-syntax-object-rest-spread');
+var core = require('@babel/core');
+var pluginTransformParameters = require('@babel/plugin-transform-parameters');
+var helperCompilationTargets = require('@babel/helper-compilation-targets');
+var compatData = require('@babel/compat-data/corejs2-built-ins');
+
+function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
+
+var compatData__default = /*#__PURE__*/_interopDefaultLegacy(compatData);
+
+const {
+  isObjectProperty: isObjectProperty$1,
+  isArrayPattern,
+  isObjectPattern,
+  isAssignmentPattern: isAssignmentPattern$1,
+  isRestElement,
+  isIdentifier
+} = core.types;
+function shouldStoreRHSInTemporaryVariable(node) {
+  if (isArrayPattern(node)) {
+    const nonNullElements = node.elements.filter(element => element !== null);
+    if (nonNullElements.length > 1) return true;else return shouldStoreRHSInTemporaryVariable(nonNullElements[0]);
+  } else if (isObjectPattern(node)) {
+    const {
+      properties
+    } = node;
+    if (properties.length > 1) return true;else if (properties.length === 0) return false;else {
+      const firstProperty = properties[0];
+      if (isObjectProperty$1(firstProperty)) {
+        return shouldStoreRHSInTemporaryVariable(firstProperty.value);
+      } else {
+        return shouldStoreRHSInTemporaryVariable(firstProperty);
+      }
+    }
+  } else if (isAssignmentPattern$1(node)) {
+    return shouldStoreRHSInTemporaryVariable(node.left);
+  } else if (isRestElement(node)) {
+    if (isIdentifier(node.argument)) return true;
+    return shouldStoreRHSInTemporaryVariable(node.argument);
+  } else {
+    return false;
+  }
+}
+
+const {
+  isAssignmentPattern,
+  isObjectProperty
+} = core.types;
+{
+  const node = core.types.identifier("a");
+  const property = core.types.objectProperty(core.types.identifier("key"), node);
+  const pattern = core.types.objectPattern([property]);
+
+  var ZERO_REFS = core.types.isReferenced(node, property, pattern) ? 1 : 0;
+}
+var index = helperPluginUtils.declare((api, opts) => {
+  var _api$assumption, _api$assumption2, _api$assumption3, _api$assumption4;
+  api.assertVersion(7);
+  const targets = api.targets();
+  const supportsObjectAssign = !helperCompilationTargets.isRequired("es6.object.assign", targets, {
+    compatData: compatData__default["default"]
+  });
+  const {
+    useBuiltIns = supportsObjectAssign,
+    loose = false
+  } = opts;
+  if (typeof loose !== "boolean") {
+    throw new Error(".loose must be a boolean, or undefined");
+  }
+  const ignoreFunctionLength = (_api$assumption = api.assumption("ignoreFunctionLength")) != null ? _api$assumption : loose;
+  const objectRestNoSymbols = (_api$assumption2 = api.assumption("objectRestNoSymbols")) != null ? _api$assumption2 : loose;
+  const pureGetters = (_api$assumption3 = api.assumption("pureGetters")) != null ? _api$assumption3 : loose;
+  const setSpreadProperties = (_api$assumption4 = api.assumption("setSpreadProperties")) != null ? _api$assumption4 : loose;
+  function getExtendsHelper(file) {
+    return useBuiltIns ? core.types.memberExpression(core.types.identifier("Object"), core.types.identifier("assign")) : file.addHelper("extends");
+  }
+  function hasRestElement(path) {
+    let foundRestElement = false;
+    visitRestElements(path, restElement => {
+      foundRestElement = true;
+      restElement.stop();
+    });
+    return foundRestElement;
+  }
+  function hasObjectPatternRestElement(path) {
+    let foundRestElement = false;
+    visitRestElements(path, restElement => {
+      if (restElement.parentPath.isObjectPattern()) {
+        foundRestElement = true;
+        restElement.stop();
+      }
+    });
+    return foundRestElement;
+  }
+  function visitRestElements(path, visitor) {
+    path.traverse({
+      Expression(path) {
+        const {
+          parent,
+          key
+        } = path;
+        if (isAssignmentPattern(parent) && key === "right" || isObjectProperty(parent) && parent.computed && key === "key") {
+          path.skip();
+        }
+      },
+      RestElement: visitor
+    });
+  }
+  function hasSpread(node) {
+    for (const prop of node.properties) {
+      if (core.types.isSpreadElement(prop)) {
+        return true;
+      }
+    }
+    return false;
+  }
+
+  function extractNormalizedKeys(node) {
+    const props = node.properties;
+    const keys = [];
+    let allLiteral = true;
+    let hasTemplateLiteral = false;
+    for (const prop of props) {
+      if (core.types.isIdentifier(prop.key) && !prop.computed) {
+        keys.push(core.types.stringLiteral(prop.key.name));
+      } else if (core.types.isTemplateLiteral(prop.key)) {
+        keys.push(core.types.cloneNode(prop.key));
+        hasTemplateLiteral = true;
+      } else if (core.types.isLiteral(prop.key)) {
+        keys.push(core.types.stringLiteral(String(
+        prop.key.value)));
+      } else {
+        keys.push(core.types.cloneNode(prop.key));
+        allLiteral = false;
+      }
+    }
+    return {
+      keys,
+      allLiteral,
+      hasTemplateLiteral
+    };
+  }
+
+  function replaceImpureComputedKeys(properties, scope) {
+    const impureComputedPropertyDeclarators = [];
+    for (const propPath of properties) {
+      const key = propPath.get("key");
+      if (propPath.node.computed && !key.isPure()) {
+        const name = scope.generateUidBasedOnNode(key.node);
+        const declarator = core.types.variableDeclarator(core.types.identifier(name), key.node);
+        impureComputedPropertyDeclarators.push(declarator);
+        key.replaceWith(core.types.identifier(name));
+      }
+    }
+    return impureComputedPropertyDeclarators;
+  }
+  function removeUnusedExcludedKeys(path) {
+    const bindings = path.getOuterBindingIdentifierPaths();
+    Object.keys(bindings).forEach(bindingName => {
+      const bindingParentPath = bindings[bindingName].parentPath;
+      if (path.scope.getBinding(bindingName).references > ZERO_REFS || !bindingParentPath.isObjectProperty()) {
+        return;
+      }
+      bindingParentPath.remove();
+    });
+  }
+
+  function createObjectRest(path, file, objRef) {
+    const props = path.get("properties");
+    const last = props[props.length - 1];
+    core.types.assertRestElement(last.node);
+    const restElement = core.types.cloneNode(last.node);
+    last.remove();
+    const impureComputedPropertyDeclarators = replaceImpureComputedKeys(path.get("properties"), path.scope);
+    const {
+      keys,
+      allLiteral,
+      hasTemplateLiteral
+    } = extractNormalizedKeys(path.node);
+    if (keys.length === 0) {
+      return [impureComputedPropertyDeclarators, restElement.argument, core.types.callExpression(getExtendsHelper(file), [core.types.objectExpression([]), core.types.sequenceExpression([core.types.callExpression(file.addHelper("objectDestructuringEmpty"), [core.types.cloneNode(objRef)]), core.types.cloneNode(objRef)])])];
+    }
+    let keyExpression;
+    if (!allLiteral) {
+      keyExpression = core.types.callExpression(core.types.memberExpression(core.types.arrayExpression(keys), core.types.identifier("map")), [file.addHelper("toPropertyKey")]);
+    } else {
+      keyExpression = core.types.arrayExpression(keys);
+      if (!hasTemplateLiteral && !core.types.isProgram(path.scope.block)) {
+        const program = path.findParent(path => path.isProgram());
+        const id = path.scope.generateUidIdentifier("excluded");
+        program.scope.push({
+          id,
+          init: keyExpression,
+          kind: "const"
+        });
+        keyExpression = core.types.cloneNode(id);
+      }
+    }
+    return [impureComputedPropertyDeclarators, restElement.argument, core.types.callExpression(file.addHelper(`objectWithoutProperties${objectRestNoSymbols ? "Loose" : ""}`), [core.types.cloneNode(objRef), keyExpression])];
+  }
+  function replaceRestElement(parentPath, paramPath, container) {
+    if (paramPath.isAssignmentPattern()) {
+      replaceRestElement(parentPath, paramPath.get("left"), container);
+      return;
+    }
+    if (paramPath.isArrayPattern() && hasRestElement(paramPath)) {
+      const elements = paramPath.get("elements");
+      for (let i = 0; i < elements.length; i++) {
+        replaceRestElement(parentPath, elements[i], container);
+      }
+    }
+    if (paramPath.isObjectPattern() && hasRestElement(paramPath)) {
+      const uid = parentPath.scope.generateUidIdentifier("ref");
+      const declar = core.types.variableDeclaration("let", [core.types.variableDeclarator(paramPath.node, uid)]);
+      if (container) {
+        container.push(declar);
+      } else {
+        parentPath.ensureBlock();
+        parentPath.get("body").unshiftContainer("body", declar);
+      }
+      paramPath.replaceWith(core.types.cloneNode(uid));
+    }
+  }
+  return {
+    name: "proposal-object-rest-spread",
+    inherits: syntaxObjectRestSpread.default,
+    visitor: {
+      Function(path) {
+        const params = path.get("params");
+        const paramsWithRestElement = new Set();
+        const idsInRestParams = new Set();
+        for (let i = 0; i < params.length; ++i) {
+          const param = params[i];
+          if (hasRestElement(param)) {
+            paramsWithRestElement.add(i);
+            for (const name of Object.keys(param.getBindingIdentifiers())) {
+              idsInRestParams.add(name);
+            }
+          }
+        }
+
+        let idInRest = false;
+        const IdentifierHandler = function (path, functionScope) {
+          const name = path.node.name;
+          if (path.scope.getBinding(name) === functionScope.getBinding(name) && idsInRestParams.has(name)) {
+            idInRest = true;
+            path.stop();
+          }
+        };
+        let i;
+        for (i = 0; i < params.length && !idInRest; ++i) {
+          const param = params[i];
+          if (!paramsWithRestElement.has(i)) {
+            if (param.isReferencedIdentifier() || param.isBindingIdentifier()) {
+              IdentifierHandler(param, path.scope);
+            } else {
+              param.traverse({
+                "Scope|TypeAnnotation|TSTypeAnnotation": path => path.skip(),
+                "ReferencedIdentifier|BindingIdentifier": IdentifierHandler
+              }, path.scope);
+            }
+          }
+        }
+        if (!idInRest) {
+          for (let i = 0; i < params.length; ++i) {
+            const param = params[i];
+            if (paramsWithRestElement.has(i)) {
+              replaceRestElement(path, param);
+            }
+          }
+        } else {
+          const shouldTransformParam = idx => idx >= i - 1 || paramsWithRestElement.has(idx);
+          pluginTransformParameters.convertFunctionParams(path, ignoreFunctionLength, shouldTransformParam, replaceRestElement);
+        }
+      },
+      VariableDeclarator(path, file) {
+        if (!path.get("id").isObjectPattern()) {
+          return;
+        }
+        let insertionPath = path;
+        const originalPath = path;
+        visitRestElements(path.get("id"), path => {
+          if (!path.parentPath.isObjectPattern()) {
+            return;
+          }
+          if (
+          shouldStoreRHSInTemporaryVariable(originalPath.node.id) && !core.types.isIdentifier(originalPath.node.init)) {
+            const initRef = path.scope.generateUidIdentifierBasedOnNode(originalPath.node.init, "ref");
+            originalPath.insertBefore(core.types.variableDeclarator(initRef, originalPath.node.init));
+            originalPath.replaceWith(core.types.variableDeclarator(originalPath.node.id, core.types.cloneNode(initRef)));
+            return;
+          }
+          let ref = originalPath.node.init;
+          const refPropertyPath = [];
+          let kind;
+          path.findParent(path => {
+            if (path.isObjectProperty()) {
+              refPropertyPath.unshift(path);
+            } else if (path.isVariableDeclarator()) {
+              kind = path.parentPath.node.kind;
+              return true;
+            }
+          });
+          const impureObjRefComputedDeclarators = replaceImpureComputedKeys(refPropertyPath, path.scope);
+          refPropertyPath.forEach(prop => {
+            const {
+              node
+            } = prop;
+            ref = core.types.memberExpression(ref, core.types.cloneNode(node.key), node.computed || core.types.isLiteral(node.key));
+          });
+
+          const objectPatternPath = path.findParent(path => path.isObjectPattern());
+          const [impureComputedPropertyDeclarators, argument, callExpression] = createObjectRest(objectPatternPath, file, ref);
+          if (pureGetters) {
+            removeUnusedExcludedKeys(objectPatternPath);
+          }
+          core.types.assertIdentifier(argument);
+          insertionPath.insertBefore(impureComputedPropertyDeclarators);
+          insertionPath.insertBefore(impureObjRefComputedDeclarators);
+          insertionPath = insertionPath.insertAfter(core.types.variableDeclarator(argument, callExpression))[0];
+          path.scope.registerBinding(kind, insertionPath);
+          if (objectPatternPath.node.properties.length === 0) {
+            objectPatternPath.findParent(path => path.isObjectProperty() || path.isVariableDeclarator()).remove();
+          }
+        });
+      },
+      ExportNamedDeclaration(path) {
+        const declaration = path.get("declaration");
+        if (!declaration.isVariableDeclaration()) return;
+        const hasRest = declaration.get("declarations").some(path => hasObjectPatternRestElement(path.get("id")));
+        if (!hasRest) return;
+        const specifiers = [];
+        for (const name of Object.keys(path.getOuterBindingIdentifiers(true))) {
+          specifiers.push(core.types.exportSpecifier(core.types.identifier(name), core.types.identifier(name)));
+        }
+
+        path.replaceWith(declaration.node);
+        path.insertAfter(core.types.exportNamedDeclaration(null, specifiers));
+      },
+      CatchClause(path) {
+        const paramPath = path.get("param");
+        replaceRestElement(path, paramPath);
+      },
+      AssignmentExpression(path, file) {
+        const leftPath = path.get("left");
+        if (leftPath.isObjectPattern() && hasRestElement(leftPath)) {
+          const nodes = [];
+          const refName = path.scope.generateUidBasedOnNode(path.node.right, "ref");
+          nodes.push(core.types.variableDeclaration("var", [core.types.variableDeclarator(core.types.identifier(refName), path.node.right)]));
+          const [impureComputedPropertyDeclarators, argument, callExpression] = createObjectRest(leftPath, file, core.types.identifier(refName));
+          if (impureComputedPropertyDeclarators.length > 0) {
+            nodes.push(core.types.variableDeclaration("var", impureComputedPropertyDeclarators));
+          }
+          const nodeWithoutSpread = core.types.cloneNode(path.node);
+          nodeWithoutSpread.right = core.types.identifier(refName);
+          nodes.push(core.types.expressionStatement(nodeWithoutSpread));
+          nodes.push(core.types.expressionStatement(core.types.assignmentExpression("=", argument, callExpression)));
+          nodes.push(core.types.expressionStatement(core.types.identifier(refName)));
+          path.replaceWithMultiple(nodes);
+        }
+      },
+      ForXStatement(path) {
+        const {
+          node,
+          scope
+        } = path;
+        const leftPath = path.get("left");
+        const left = node.left;
+        if (!hasObjectPatternRestElement(leftPath)) {
+          return;
+        }
+        if (!core.types.isVariableDeclaration(left)) {
+          const temp = scope.generateUidIdentifier("ref");
+          node.left = core.types.variableDeclaration("var", [core.types.variableDeclarator(temp)]);
+          path.ensureBlock();
+          const body = path.node.body;
+          if (body.body.length === 0 && path.isCompletionRecord()) {
+            body.body.unshift(core.types.expressionStatement(scope.buildUndefinedNode()));
+          }
+          body.body.unshift(core.types.expressionStatement(core.types.assignmentExpression("=", left, core.types.cloneNode(temp))));
+        } else {
+          const pattern = left.declarations[0].id;
+          const key = scope.generateUidIdentifier("ref");
+          node.left = core.types.variableDeclaration(left.kind, [core.types.variableDeclarator(key, null)]);
+          path.ensureBlock();
+          const body = node.body;
+          body.body.unshift(core.types.variableDeclaration(node.left.kind, [core.types.variableDeclarator(pattern, core.types.cloneNode(key))]));
+        }
+      },
+      ArrayPattern(path) {
+        const objectPatterns = [];
+        visitRestElements(path, path => {
+          if (!path.parentPath.isObjectPattern()) {
+            return;
+          }
+          const objectPattern = path.parentPath;
+          const uid = path.scope.generateUidIdentifier("ref");
+          objectPatterns.push(core.types.variableDeclarator(objectPattern.node, uid));
+          objectPattern.replaceWith(core.types.cloneNode(uid));
+          path.skip();
+        });
+        if (objectPatterns.length > 0) {
+          const statementPath = path.getStatementParent();
+          const statementNode = statementPath.node;
+          const kind = statementNode.type === "VariableDeclaration" ? statementNode.kind : "var";
+          statementPath.insertAfter(core.types.variableDeclaration(kind, objectPatterns));
+        }
+      },
+      ObjectExpression(path, file) {
+        if (!hasSpread(path.node)) return;
+        let helper;
+        if (setSpreadProperties) {
+          helper = getExtendsHelper(file);
+        } else {
+          try {
+            helper = file.addHelper("objectSpread2");
+          } catch (_unused) {
+            this.file.declarations["objectSpread2"] = null;
+
+            helper = file.addHelper("objectSpread");
+          }
+        }
+        let exp = null;
+        let props = [];
+        function make() {
+          const hadProps = props.length > 0;
+          const obj = core.types.objectExpression(props);
+          props = [];
+          if (!exp) {
+            exp = core.types.callExpression(helper, [obj]);
+            return;
+          }
+
+          if (pureGetters) {
+            if (hadProps) {
+              exp.arguments.push(obj);
+            }
+            return;
+          }
+          exp = core.types.callExpression(core.types.cloneNode(helper), [exp,
+          ...(hadProps ? [core.types.objectExpression([]), obj] : [])]);
+        }
+        for (const prop of path.node.properties) {
+          if (core.types.isSpreadElement(prop)) {
+            make();
+            exp.arguments.push(prop.argument);
+          } else {
+            props.push(prop);
+          }
+        }
+        if (props.length) make();
+        path.replaceWith(exp);
+      }
+    }
+  };
+});
+
+exports["default"] = index;
+//# sourceMappingURL=index.js.map

front/app/node_modules/@babel/plugin-proposal-object-rest-spread/lib/index.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"index.js","sources":["../src/shouldStoreRHSInTemporaryVariable.ts","../src/index.ts"],"sourcesContent":["import { types as t } from \"@babel/core\";\n\nconst {\n  isObjectProperty,\n  isArrayPattern,\n  isObjectPattern,\n  isAssignmentPattern,\n  isRestElement,\n  isIdentifier,\n} = t;\n/**\n * This is a helper function to determine if we should create an intermediate variable\n * such that the RHS of an assignment is not duplicated.\n *\n * See https://github.com/babel/babel/pull/13711#issuecomment-914388382 for discussion\n * on further optimizations.\n */\nexport default function shouldStoreRHSInTemporaryVariable(\n  node: t.LVal,\n): boolean {\n  if (isArrayPattern(node)) {\n    const nonNullElements = node.elements.filter(element => element !== null);\n    if (nonNullElements.length > 1) return true;\n    else return shouldStoreRHSInTemporaryVariable(nonNullElements[0]);\n  } else if (isObjectPattern(node)) {\n    const { properties } = node;\n    if (properties.length > 1) return true;\n    else if (properties.length === 0) return false;\n    else {\n      const firstProperty = properties[0];\n      if (isObjectProperty(firstProperty)) {\n        // the value of the property must be an LVal\n        return shouldStoreRHSInTemporaryVariable(firstProperty.value as t.LVal);\n      } else {\n        return shouldStoreRHSInTemporaryVariable(firstProperty);\n      }\n    }\n  } else if (isAssignmentPattern(node)) {\n    return shouldStoreRHSInTemporaryVariable(node.left);\n  } else if (isRestElement(node)) {\n    if (isIdentifier(node.argument)) return true;\n    return shouldStoreRHSInTemporaryVariable(node.argument);\n  } else {\n    // node is Identifier or MemberExpression\n    return false;\n  }\n}\n","import { declare } from \"@babel/helper-plugin-utils\";\nimport syntaxObjectRestSpread from \"@babel/plugin-syntax-object-rest-spread\";\nimport { types as t } from \"@babel/core\";\nimport type { PluginPass } from \"@babel/core\";\nimport type { NodePath, Scope } from \"@babel/traverse\";\nimport { convertFunctionParams } from \"@babel/plugin-transform-parameters\";\nimport { isRequired } from \"@babel/helper-compilation-targets\";\nimport compatData from \"@babel/compat-data/corejs2-built-ins\";\nimport shouldStoreRHSInTemporaryVariable from \"./shouldStoreRHSInTemporaryVariable\";\n\nconst { isAssignmentPattern, isObjectProperty } = t;\n// @babel/types <=7.3.3 counts FOO as referenced in var { x: FOO }.\n// We need to detect this bug to know if \"unused\" means 0 or 1 references.\nif (!process.env.BABEL_8_BREAKING) {\n  const node = t.identifier(\"a\");\n  const property = t.objectProperty(t.identifier(\"key\"), node);\n  const pattern = t.objectPattern([property]);\n\n  // eslint-disable-next-line no-var\n  var ZERO_REFS = t.isReferenced(node, property, pattern) ? 1 : 0;\n}\n\ntype Param = NodePath<t.Function[\"params\"][number]>;\nexport interface Options {\n  useBuiltIns?: boolean;\n  loose?: boolean;\n}\n\nexport default declare((api, opts: Options) => {\n  api.assertVersion(7);\n\n  const targets = api.targets();\n  const supportsObjectAssign = !isRequired(\"es6.object.assign\", targets, {\n    compatData,\n  });\n\n  const { useBuiltIns = supportsObjectAssign, loose = false } = opts;\n\n  if (typeof loose !== \"boolean\") {\n    throw new Error(\".loose must be a boolean, or undefined\");\n  }\n\n  const ignoreFunctionLength = api.assumption(\"ignoreFunctionLength\") ?? loose;\n  const objectRestNoSymbols = api.assumption(\"objectRestNoSymbols\") ?? loose;\n  const pureGetters = api.assumption(\"pureGetters\") ?? loose;\n  const setSpreadProperties = api.assumption(\"setSpreadProperties\") ?? loose;\n\n  function getExtendsHelper(\n    file: PluginPass,\n  ): t.MemberExpression | t.Identifier {\n    return useBuiltIns\n      ? t.memberExpression(t.identifier(\"Object\"), t.identifier(\"assign\"))\n      : file.addHelper(\"extends\");\n  }\n\n  function hasRestElement(path: Param) {\n    let foundRestElement = false;\n    visitRestElements(path, restElement => {\n      foundRestElement = true;\n      restElement.stop();\n    });\n    return foundRestElement;\n  }\n\n  function hasObjectPatternRestElement(path: NodePath): boolean {\n    let foundRestElement = false;\n    visitRestElements(path, restElement => {\n      if (restElement.parentPath.isObjectPattern()) {\n        foundRestElement = true;\n        restElement.stop();\n      }\n    });\n    return foundRestElement;\n  }\n\n  function visitRestElements(\n    path: NodePath,\n    visitor: (path: NodePath<t.RestElement>) => any,\n  ) {\n    path.traverse({\n      Expression(path) {\n        const { parent, key } = path;\n        if (\n          (isAssignmentPattern(parent) && key === \"right\") ||\n          (isObjectProperty(parent) && parent.computed && key === \"key\")\n        ) {\n          path.skip();\n        }\n      },\n      RestElement: visitor,\n    });\n  }\n\n  function hasSpread(node: t.ObjectExpression)Line truncated