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Bugfix for ESM5 autoInjectable. #234

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Bugfix for ESM5 autoInjectable. #234

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19 changes: 14 additions & 5 deletions src/decorators/auto-injectable.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@ import {
isTransformDescriptor
} from "../providers/injection-token";
import {formatErrorCtor} from "../error-helpers";
import {__extends} from "tslib";

/**
* Class decorator factory that replaces the decorated class' constructor with
Expand All @@ -18,10 +19,16 @@ import {formatErrorCtor} from "../error-helpers";
function autoInjectable(): (target: constructor<any>) => any {
return function(target: constructor<any>): constructor<any> {
const paramInfo = getParamInfo(target);

return class extends target {
constructor(...args: any[]) {
super(
return (function(_super): any {
function extendedClazz(...args: any[]) {
const SuperProxy = new Proxy(_super, {
// target = Foo
apply(target, _, argumentsList) {
return new target(...argumentsList);
}
});
return SuperProxy.call(
null,
...args.concat(
paramInfo.slice(args.length).map((type, index) => {
try {
Expand Down Expand Up @@ -62,7 +69,9 @@ function autoInjectable(): (target: constructor<any>) => any {
)
);
}
};
__extends(extendedClazz, _super);
return extendedClazz;
})(target);
};
}

Expand Down