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276 lines
7.2 KiB
276 lines
7.2 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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Object.defineProperty(exports, "environmentVisitor", { |
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enumerable: true, |
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get: function () { |
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return _helperEnvironmentVisitor.default; |
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} |
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}); |
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Object.defineProperty(exports, "skipAllButComputedKey", { |
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enumerable: true, |
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get: function () { |
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return _helperEnvironmentVisitor.skipAllButComputedKey; |
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} |
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}); |
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var _traverse = require("@babel/traverse"); |
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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 _helperEnvironmentVisitor = require("@babel/helper-environment-visitor"); |
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var _t = require("@babel/types"); |
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const { |
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assignmentExpression, |
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booleanLiteral, |
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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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} = _t; |
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function getPrototypeOfExpression(objectRef, isStatic, file, isPrivateMethod) { |
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objectRef = cloneNode(objectRef); |
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const targetRef = isStatic || isPrivateMethod ? objectRef : memberExpression(objectRef, identifier("prototype")); |
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return callExpression(file.addHelper("getPrototypeOf"), [targetRef]); |
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} |
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const visitor = _traverse.default.visitors.merge([_helperEnvironmentVisitor.default, { |
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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.default.visitors.merge([_helperEnvironmentVisitor.default, { |
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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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get(superMember) { |
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return this._get(superMember, this._getThisRefs()); |
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}, |
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_get(superMember, thisRefs) { |
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const proto = getPrototypeOfExpression(this.getObjectRef(), this.isStatic, this.file, this.isPrivateMethod); |
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return callExpression(this.file.addHelper("get"), [thisRefs.memo ? sequenceExpression([thisRefs.memo, proto]) : proto, this.prop(superMember), thisRefs.this]); |
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}, |
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_getThisRefs() { |
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if (!this.isDerivedConstructor) { |
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return { |
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this: thisExpression() |
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}; |
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} |
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const thisRef = this.scope.generateDeclaredUidIdentifier("thisSuper"); |
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return { |
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memo: assignmentExpression("=", thisRef, thisExpression()), |
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this: cloneNode(thisRef) |
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}; |
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}, |
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set(superMember, value) { |
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const thisRefs = this._getThisRefs(); |
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const proto = getPrototypeOfExpression(this.getObjectRef(), this.isStatic, this.file, this.isPrivateMethod); |
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return callExpression(this.file.addHelper("set"), [thisRefs.memo ? sequenceExpression([thisRefs.memo, proto]) : proto, this.prop(superMember), value, thisRefs.this, 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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const thisRefs = this._getThisRefs(); |
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return (0, _helperOptimiseCallExpression.default)(this._get(superMember, thisRefs), cloneNode(thisRefs.this), args, false); |
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}, |
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optionalCall(superMember, args) { |
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const thisRefs = this._getThisRefs(); |
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return (0, _helperOptimiseCallExpression.default)(this._get(superMember, thisRefs), cloneNode(thisRefs.this), args, true); |
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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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if (this.opts.refToPreserve) { |
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this.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 : specHandlers; |
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(0, _helperMemberExpressionToFunctions.default)(this.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; |