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- "use strict";
-
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.default = exports.environmentVisitor = void 0;
-
- var _traverse = _interopRequireDefault(require("@babel/traverse"));
-
- var _helperMemberExpressionToFunctions = _interopRequireDefault(require("@babel/helper-member-expression-to-functions"));
-
- var _helperOptimiseCallExpression = _interopRequireDefault(require("@babel/helper-optimise-call-expression"));
-
- var t = _interopRequireWildcard(require("@babel/types"));
-
- function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }
-
- function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
-
- function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
-
- function getPrototypeOfExpression(objectRef, isStatic, file, isPrivateMethod) {
- objectRef = t.cloneNode(objectRef);
- const targetRef = isStatic || isPrivateMethod ? objectRef : t.memberExpression(objectRef, t.identifier("prototype"));
- return t.callExpression(file.addHelper("getPrototypeOf"), [targetRef]);
- }
-
- function skipAllButComputedKey(path) {
- if (!path.node.computed) {
- path.skip();
- return;
- }
-
- const keys = t.VISITOR_KEYS[path.type];
-
- for (const key of keys) {
- if (key !== "key") path.skipKey(key);
- }
- }
-
- const environmentVisitor = {
- TypeAnnotation(path) {
- path.skip();
- },
-
- Function(path) {
- if (path.isMethod()) return;
- if (path.isArrowFunctionExpression()) return;
- path.skip();
- },
-
- "Method|ClassProperty|ClassPrivateProperty"(path) {
- skipAllButComputedKey(path);
- }
-
- };
- exports.environmentVisitor = environmentVisitor;
-
- const visitor = _traverse.default.visitors.merge([environmentVisitor, {
- Super(path, state) {
- const {
- node,
- parentPath
- } = path;
- if (!parentPath.isMemberExpression({
- object: node
- })) return;
- state.handle(parentPath);
- }
-
- }]);
-
- const specHandlers = {
- memoise(superMember, count) {
- const {
- scope,
- node
- } = superMember;
- const {
- computed,
- property
- } = node;
-
- if (!computed) {
- return;
- }
-
- const memo = scope.maybeGenerateMemoised(property);
-
- if (!memo) {
- return;
- }
-
- this.memoiser.set(property, memo, count);
- },
-
- prop(superMember) {
- const {
- computed,
- property
- } = superMember.node;
-
- if (this.memoiser.has(property)) {
- return t.cloneNode(this.memoiser.get(property));
- }
-
- if (computed) {
- return t.cloneNode(property);
- }
-
- return t.stringLiteral(property.name);
- },
-
- get(superMember) {
- return t.callExpression(this.file.addHelper("get"), [getPrototypeOfExpression(this.getObjectRef(), this.isStatic, this.file, this.isPrivateMethod), this.prop(superMember), t.thisExpression()]);
- },
-
- set(superMember, value) {
- return t.callExpression(this.file.addHelper("set"), [getPrototypeOfExpression(this.getObjectRef(), this.isStatic, this.file, this.isPrivateMethod), this.prop(superMember), value, t.thisExpression(), t.booleanLiteral(superMember.isInStrictMode())]);
- },
-
- destructureSet(superMember) {
- throw superMember.buildCodeFrameError(`Destructuring to a super field is not supported yet.`);
- },
-
- call(superMember, args) {
- return (0, _helperOptimiseCallExpression.default)(this.get(superMember), t.thisExpression(), args);
- }
-
- };
- const looseHandlers = Object.assign({}, specHandlers, {
- prop(superMember) {
- const {
- property
- } = superMember.node;
-
- if (this.memoiser.has(property)) {
- return t.cloneNode(this.memoiser.get(property));
- }
-
- return t.cloneNode(property);
- },
-
- get(superMember) {
- const {
- isStatic,
- superRef
- } = this;
- const {
- computed
- } = superMember.node;
- const prop = this.prop(superMember);
- let object;
-
- if (isStatic) {
- object = superRef ? t.cloneNode(superRef) : t.memberExpression(t.identifier("Function"), t.identifier("prototype"));
- } else {
- object = superRef ? t.memberExpression(t.cloneNode(superRef), t.identifier("prototype")) : t.memberExpression(t.identifier("Object"), t.identifier("prototype"));
- }
-
- return t.memberExpression(object, prop, computed);
- },
-
- set(superMember, value) {
- const {
- computed
- } = superMember.node;
- const prop = this.prop(superMember);
- return t.assignmentExpression("=", t.memberExpression(t.thisExpression(), prop, computed), value);
- },
-
- destructureSet(superMember) {
- const {
- computed
- } = superMember.node;
- const prop = this.prop(superMember);
- return t.memberExpression(t.thisExpression(), prop, computed);
- }
-
- });
-
- class ReplaceSupers {
- constructor(opts) {
- const path = opts.methodPath;
- this.methodPath = path;
- this.isStatic = path.isObjectMethod() || path.node.static;
- this.isPrivateMethod = path.isPrivate() && path.isMethod();
- this.file = opts.file;
- this.superRef = opts.superRef;
- this.isLoose = opts.isLoose;
- this.opts = opts;
- }
-
- getObjectRef() {
- return t.cloneNode(this.opts.objectRef || this.opts.getObjectRef());
- }
-
- replace() {
- const handler = this.isLoose ? looseHandlers : specHandlers;
- (0, _helperMemberExpressionToFunctions.default)(this.methodPath, visitor, Object.assign({
- file: this.file,
- isStatic: this.isStatic,
- isPrivateMethod: this.isPrivateMethod,
- getObjectRef: this.getObjectRef.bind(this),
- superRef: this.superRef
- }, handler));
- }
-
- }
-
- exports.default = ReplaceSupers;
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