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