"use strict";
|
|
Object.defineProperty(exports, "__esModule", {
|
value: true
|
});
|
exports.default = void 0;
|
Object.defineProperty(exports, "environmentVisitor", {
|
enumerable: true,
|
get: function () {
|
return _helperEnvironmentVisitor.default;
|
}
|
});
|
Object.defineProperty(exports, "skipAllButComputedKey", {
|
enumerable: true,
|
get: function () {
|
return _helperEnvironmentVisitor.skipAllButComputedKey;
|
}
|
});
|
var _helperEnvironmentVisitor = require("@babel/helper-environment-visitor");
|
var _helperMemberExpressionToFunctions = require("@babel/helper-member-expression-to-functions");
|
var _helperOptimiseCallExpression = require("@babel/helper-optimise-call-expression");
|
var _template = require("@babel/template");
|
var _traverse = require("@babel/traverse");
|
var _t = require("@babel/types");
|
const {
|
assignmentExpression,
|
booleanLiteral,
|
callExpression,
|
cloneNode,
|
identifier,
|
memberExpression,
|
sequenceExpression,
|
stringLiteral,
|
thisExpression
|
} = _t;
|
function getPrototypeOfExpression(objectRef, isStatic, file, isPrivateMethod) {
|
objectRef = cloneNode(objectRef);
|
const targetRef = isStatic || isPrivateMethod ? objectRef : memberExpression(objectRef, identifier("prototype"));
|
return callExpression(file.addHelper("getPrototypeOf"), [targetRef]);
|
}
|
const visitor = _traverse.default.visitors.merge([_helperEnvironmentVisitor.default, {
|
Super(path, state) {
|
const {
|
node,
|
parentPath
|
} = path;
|
if (!parentPath.isMemberExpression({
|
object: node
|
})) return;
|
state.handle(parentPath);
|
}
|
}]);
|
const unshadowSuperBindingVisitor = _traverse.default.visitors.merge([_helperEnvironmentVisitor.default, {
|
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);
|
},
|
get(superMember) {
|
return this._get(superMember, this._getThisRefs());
|
},
|
_get(superMember, thisRefs) {
|
const proto = getPrototypeOfExpression(this.getObjectRef(), this.isStatic, this.file, this.isPrivateMethod);
|
return callExpression(this.file.addHelper("get"), [
|
thisRefs.memo ? sequenceExpression([thisRefs.memo, proto]) : proto, this.prop(superMember), thisRefs.this]);
|
},
|
_getThisRefs() {
|
if (!this.isDerivedConstructor) {
|
return {
|
this: thisExpression()
|
};
|
}
|
const thisRef = this.scope.generateDeclaredUidIdentifier("thisSuper");
|
return {
|
memo: assignmentExpression("=", thisRef, thisExpression()),
|
this: cloneNode(thisRef)
|
};
|
},
|
set(superMember, value) {
|
const thisRefs = this._getThisRefs();
|
const proto = getPrototypeOfExpression(this.getObjectRef(), this.isStatic, this.file, this.isPrivateMethod);
|
return callExpression(this.file.addHelper("set"), [
|
thisRefs.memo ? sequenceExpression([thisRefs.memo, proto]) : proto, this.prop(superMember), value, thisRefs.this, booleanLiteral(superMember.isInStrictMode())]);
|
},
|
destructureSet(superMember) {
|
throw superMember.buildCodeFrameError(`Destructuring to a super field is not supported yet.`);
|
},
|
call(superMember, args) {
|
const thisRefs = this._getThisRefs();
|
return (0, _helperOptimiseCallExpression.default)(this._get(superMember, thisRefs), cloneNode(thisRefs.this), args, false);
|
},
|
optionalCall(superMember, args) {
|
const thisRefs = this._getThisRefs();
|
return (0, _helperOptimiseCallExpression.default)(this._get(superMember, thisRefs), cloneNode(thisRefs.this), args, true);
|
},
|
delete(superMember) {
|
if (superMember.node.computed) {
|
return sequenceExpression([callExpression(this.file.addHelper("toPropertyKey"), [cloneNode(superMember.node.property)]), _template.default.expression.ast`
|
function () { throw new ReferenceError("'delete super[expr]' is invalid"); }()
|
`]);
|
} else {
|
return _template.default.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() {
|
if (this.opts.refToPreserve) {
|
this.methodPath.traverse(unshadowSuperBindingVisitor, {
|
refName: this.opts.refToPreserve.name
|
});
|
}
|
const handler = this.constantSuper ? looseHandlers : specHandlers;
|
(0, _helperMemberExpressionToFunctions.default)(this.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
|
