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- "use strict";
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.default = void 0;
- var _helperMemberExpressionToFunctions = require("@babel/helper-member-expression-to-functions");
- var _helperOptimiseCallExpression = require("@babel/helper-optimise-call-expression");
- var _core = require("@babel/core");
- var _traverse = require("@babel/traverse");
- const {
- assignmentExpression,
- callExpression,
- cloneNode,
- identifier,
- memberExpression,
- sequenceExpression,
- stringLiteral,
- thisExpression
- } = _core.types;
- {
- exports.environmentVisitor = _traverse.visitors.environmentVisitor({});
- exports.skipAllButComputedKey = function skipAllButComputedKey(path) {
- path.skip();
- if (path.node.computed) {
- path.context.maybeQueue(path.get("key"));
- }
- };
- }
- const visitor = _traverse.visitors.environmentVisitor({
- Super(path, state) {
- const {
- node,
- parentPath
- } = path;
- if (!parentPath.isMemberExpression({
- object: node
- })) return;
- state.handle(parentPath);
- }
- });
- const unshadowSuperBindingVisitor = _traverse.visitors.environmentVisitor({
- Scopable(path, {
- refName
- }) {
- const binding = path.scope.getOwnBinding(refName);
- if (binding && binding.identifier.name === refName) {
- path.scope.rename(refName);
- }
- }
- });
- 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 cloneNode(this.memoiser.get(property));
- }
- if (computed) {
- return cloneNode(property);
- }
- return stringLiteral(property.name);
- },
- _getPrototypeOfExpression() {
- const objectRef = cloneNode(this.getObjectRef());
- const targetRef = this.isStatic || this.isPrivateMethod ? objectRef : memberExpression(objectRef, identifier("prototype"));
- return callExpression(this.file.addHelper("getPrototypeOf"), [targetRef]);
- },
- get(superMember) {
- const objectRef = cloneNode(this.getObjectRef());
- return callExpression(this.file.addHelper("superPropGet"), [this.isDerivedConstructor ? sequenceExpression([thisExpression(), objectRef]) : objectRef, this.prop(superMember), thisExpression(), ...(this.isStatic || this.isPrivateMethod ? [] : [_core.types.numericLiteral(1)])]);
- },
- _call(superMember, args, optional) {
- const objectRef = cloneNode(this.getObjectRef());
- let argsNode;
- if (args.length === 1 && _core.types.isSpreadElement(args[0]) && (_core.types.isIdentifier(args[0].argument) || _core.types.isArrayExpression(args[0].argument))) {
- argsNode = args[0].argument;
- } else {
- argsNode = _core.types.arrayExpression(args);
- }
- const call = _core.types.callExpression(this.file.addHelper("superPropGet"), [this.isDerivedConstructor ? sequenceExpression([thisExpression(), objectRef]) : objectRef, this.prop(superMember), thisExpression(), _core.types.numericLiteral(2 | (this.isStatic || this.isPrivateMethod ? 0 : 1))]);
- if (optional) {
- return _core.types.optionalCallExpression(call, [argsNode], true);
- }
- return callExpression(call, [argsNode]);
- },
- set(superMember, value) {
- const objectRef = cloneNode(this.getObjectRef());
- return callExpression(this.file.addHelper("superPropSet"), [this.isDerivedConstructor ? sequenceExpression([thisExpression(), objectRef]) : objectRef, this.prop(superMember), value, thisExpression(), _core.types.numericLiteral(superMember.isInStrictMode() ? 1 : 0), ...(this.isStatic || this.isPrivateMethod ? [] : [_core.types.numericLiteral(1)])]);
- },
- destructureSet(superMember) {
- throw superMember.buildCodeFrameError(`Destructuring to a super field is not supported yet.`);
- },
- call(superMember, args) {
- return this._call(superMember, args, false);
- },
- optionalCall(superMember, args) {
- return this._call(superMember, args, true);
- },
- delete(superMember) {
- if (superMember.node.computed) {
- return sequenceExpression([callExpression(this.file.addHelper("toPropertyKey"), [cloneNode(superMember.node.property)]), _core.template.expression.ast`
- function () { throw new ReferenceError("'delete super[expr]' is invalid"); }()
- `]);
- } else {
- return _core.template.expression.ast`
- function () { throw new ReferenceError("'delete super.prop' is invalid"); }()
- `;
- }
- }
- };
- const specHandlers_old = {
- 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 cloneNode(this.memoiser.get(property));
- }
- if (computed) {
- return cloneNode(property);
- }
- return stringLiteral(property.name);
- },
- _getPrototypeOfExpression() {
- const objectRef = cloneNode(this.getObjectRef());
- const targetRef = this.isStatic || this.isPrivateMethod ? objectRef : memberExpression(objectRef, identifier("prototype"));
- return callExpression(this.file.addHelper("getPrototypeOf"), [targetRef]);
- },
- get(superMember) {
- return this._get(superMember);
- },
- _get(superMember) {
- const proto = this._getPrototypeOfExpression();
- return callExpression(this.file.addHelper("get"), [this.isDerivedConstructor ? sequenceExpression([thisExpression(), proto]) : proto, this.prop(superMember), thisExpression()]);
- },
- set(superMember, value) {
- const proto = this._getPrototypeOfExpression();
- return callExpression(this.file.addHelper("set"), [this.isDerivedConstructor ? sequenceExpression([thisExpression(), proto]) : proto, this.prop(superMember), value, thisExpression(), _core.types.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), thisExpression(), args, false);
- },
- optionalCall(superMember, args) {
- return (0, _helperOptimiseCallExpression.default)(this._get(superMember), cloneNode(thisExpression()), args, true);
- },
- delete(superMember) {
- if (superMember.node.computed) {
- return sequenceExpression([callExpression(this.file.addHelper("toPropertyKey"), [cloneNode(superMember.node.property)]), _core.template.expression.ast`
- function () { throw new ReferenceError("'delete super[expr]' is invalid"); }()
- `]);
- } else {
- return _core.template.expression.ast`
- function () { throw new ReferenceError("'delete super.prop' is invalid"); }()
- `;
- }
- }
- };
- const looseHandlers = Object.assign({}, specHandlers, {
- prop(superMember) {
- const {
- property
- } = superMember.node;
- if (this.memoiser.has(property)) {
- return cloneNode(this.memoiser.get(property));
- }
- return cloneNode(property);
- },
- get(superMember) {
- const {
- isStatic,
- getSuperRef
- } = this;
- const {
- computed
- } = superMember.node;
- const prop = this.prop(superMember);
- let object;
- if (isStatic) {
- var _getSuperRef;
- object = (_getSuperRef = getSuperRef()) != null ? _getSuperRef : memberExpression(identifier("Function"), identifier("prototype"));
- } else {
- var _getSuperRef2;
- object = memberExpression((_getSuperRef2 = getSuperRef()) != null ? _getSuperRef2 : identifier("Object"), identifier("prototype"));
- }
- return memberExpression(object, prop, computed);
- },
- set(superMember, value) {
- const {
- computed
- } = superMember.node;
- const prop = this.prop(superMember);
- return assignmentExpression("=", memberExpression(thisExpression(), prop, computed), value);
- },
- destructureSet(superMember) {
- const {
- computed
- } = superMember.node;
- const prop = this.prop(superMember);
- return memberExpression(thisExpression(), prop, computed);
- },
- call(superMember, args) {
- return (0, _helperOptimiseCallExpression.default)(this.get(superMember), thisExpression(), args, false);
- },
- optionalCall(superMember, args) {
- return (0, _helperOptimiseCallExpression.default)(this.get(superMember), thisExpression(), args, true);
- }
- });
- class ReplaceSupers {
- constructor(opts) {
- var _opts$constantSuper;
- const path = opts.methodPath;
- this.methodPath = path;
- this.isDerivedConstructor = path.isClassMethod({
- kind: "constructor"
- }) && !!opts.superRef;
- this.isStatic = path.isObjectMethod() || path.node.static || (path.isStaticBlock == null ? void 0 : path.isStaticBlock());
- this.isPrivateMethod = path.isPrivate() && path.isMethod();
- this.file = opts.file;
- this.constantSuper = (_opts$constantSuper = opts.constantSuper) != null ? _opts$constantSuper : opts.isLoose;
- this.opts = opts;
- }
- getObjectRef() {
- return cloneNode(this.opts.objectRef || this.opts.getObjectRef());
- }
- getSuperRef() {
- if (this.opts.superRef) return cloneNode(this.opts.superRef);
- if (this.opts.getSuperRef) {
- return cloneNode(this.opts.getSuperRef());
- }
- }
- replace() {
- const {
- methodPath
- } = this;
- if (this.opts.refToPreserve) {
- methodPath.traverse(unshadowSuperBindingVisitor, {
- refName: this.opts.refToPreserve.name
- });
- }
- const handler = this.constantSuper ? looseHandlers : this.file.availableHelper("superPropSet") ? specHandlers : specHandlers_old;
- visitor.shouldSkip = path => {
- if (path.parentPath === methodPath) {
- if (path.parentKey === "decorators" || path.parentKey === "key") {
- return true;
- }
- }
- };
- (0, _helperMemberExpressionToFunctions.default)(methodPath, visitor, Object.assign({
- file: this.file,
- scope: this.methodPath.scope,
- isDerivedConstructor: this.isDerivedConstructor,
- isStatic: this.isStatic,
- isPrivateMethod: this.isPrivateMethod,
- getObjectRef: this.getObjectRef.bind(this),
- getSuperRef: this.getSuperRef.bind(this),
- boundGet: handler.get
- }, handler));
- }
- }
- exports.default = ReplaceSupers;
- //# sourceMappingURL=index.js.map
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