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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = addCallSuperHelper;
var _core = require("@babel/core");
const helper = _core.template.statement`
function CALL_SUPER(
_this,
derived,
args,
) {
function isNativeReflectConstruct() {
if (typeof Reflect === "undefined" || !Reflect.construct) return false;
// core-js@3
if (Reflect.construct.sham) return false;
// Proxy can't be polyfilled. Every browser implemented
// proxies before or at the same time as Reflect.construct,
// so if they support Proxy they also support Reflect.construct.
if (typeof Proxy === "function") return true;
// Since Reflect.construct can't be properly polyfilled, some
// implementations (e.g. core-js@2) don't set the correct internal slots.
// Those polyfills don't allow us to subclass built-ins, so we need to
// use our fallback implementation.
try {
// If the internal slots aren't set, this throws an error similar to
// TypeError: this is not a Boolean object.
return !Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {}),);
} catch (e) {
return false;
}
}
// Super
derived = GET_PROTOTYPE_OF(derived);
return POSSIBLE_CONSTRUCTOR_RETURN(
_this,
isNativeReflectConstruct()
? // NOTE: This doesn't work if this.__proto__.constructor has been modified.
Reflect.construct(
derived,
args || [],
GET_PROTOTYPE_OF(_this).constructor,
)
: derived.apply(_this, args),
);
}
`;
const helperIDs = new WeakMap();
function addCallSuperHelper(file) {
if (helperIDs.has(file)) {
return (_core.types.cloneNode || _core.types.clone)(helperIDs.get(file));
}
try {
return file.addHelper("callSuper");
} catch (_unused) {}
const id = file.scope.generateUidIdentifier("callSuper");
helperIDs.set(file, id);
const fn = helper({
CALL_SUPER: id,
GET_PROTOTYPE_OF: file.addHelper("getPrototypeOf"),
POSSIBLE_CONSTRUCTOR_RETURN: file.addHelper("possibleConstructorReturn")
});
file.path.unshiftContainer("body", [fn]);
file.scope.registerDeclaration(file.path.get("body.0"));
return _core.types.cloneNode(id);
}
//# sourceMappingURL=inline-callSuper-helpers.js.map
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