import * as ERROR_MSGS from "../constants/error_msgs";
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import * as METADATA_KEY from "../constants/metadata_keys";
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import { getFirstArrayDuplicate } from "../utils/js";
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function targetIsConstructorFunction(target) {
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return target.prototype !== undefined;
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}
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function _throwIfMethodParameter(parameterName) {
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if (parameterName !== undefined) {
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throw new Error(ERROR_MSGS.INVALID_DECORATOR_OPERATION);
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}
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}
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function tagParameter(annotationTarget, parameterName, parameterIndex, metadata) {
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_throwIfMethodParameter(parameterName);
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_tagParameterOrProperty(METADATA_KEY.TAGGED, annotationTarget, parameterIndex.toString(), metadata);
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}
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function tagProperty(annotationTarget, propertyName, metadata) {
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if (targetIsConstructorFunction(annotationTarget)) {
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throw new Error(ERROR_MSGS.INVALID_DECORATOR_OPERATION);
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}
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_tagParameterOrProperty(METADATA_KEY.TAGGED_PROP, annotationTarget.constructor, propertyName, metadata);
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}
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function _ensureNoMetadataKeyDuplicates(metadata) {
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var metadatas = [];
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if (Array.isArray(metadata)) {
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metadatas = metadata;
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var duplicate = getFirstArrayDuplicate(metadatas.map(function (md) { return md.key; }));
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if (duplicate !== undefined) {
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throw new Error(ERROR_MSGS.DUPLICATED_METADATA + " " + duplicate.toString());
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}
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}
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else {
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metadatas = [metadata];
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}
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return metadatas;
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}
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function _tagParameterOrProperty(metadataKey, annotationTarget, key, metadata) {
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var metadatas = _ensureNoMetadataKeyDuplicates(metadata);
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var paramsOrPropertiesMetadata = {};
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if (Reflect.hasOwnMetadata(metadataKey, annotationTarget)) {
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paramsOrPropertiesMetadata = Reflect.getMetadata(metadataKey, annotationTarget);
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}
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var paramOrPropertyMetadata = paramsOrPropertiesMetadata[key];
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if (paramOrPropertyMetadata === undefined) {
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paramOrPropertyMetadata = [];
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}
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else {
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var _loop_1 = function (m) {
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if (metadatas.some(function (md) { return md.key === m.key; })) {
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throw new Error(ERROR_MSGS.DUPLICATED_METADATA + " " + m.key.toString());
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}
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};
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for (var _i = 0, paramOrPropertyMetadata_1 = paramOrPropertyMetadata; _i < paramOrPropertyMetadata_1.length; _i++) {
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var m = paramOrPropertyMetadata_1[_i];
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_loop_1(m);
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}
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}
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paramOrPropertyMetadata.push.apply(paramOrPropertyMetadata, metadatas);
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paramsOrPropertiesMetadata[key] = paramOrPropertyMetadata;
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Reflect.defineMetadata(metadataKey, paramsOrPropertiesMetadata, annotationTarget);
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}
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function createTaggedDecorator(metadata) {
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return function (target, targetKey, indexOrPropertyDescriptor) {
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if (typeof indexOrPropertyDescriptor === "number") {
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tagParameter(target, targetKey, indexOrPropertyDescriptor, metadata);
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}
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else {
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tagProperty(target, targetKey, metadata);
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}
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};
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}
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function _decorate(decorators, target) {
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Reflect.decorate(decorators, target);
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}
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function _param(paramIndex, decorator) {
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return function (target, key) { decorator(target, key, paramIndex); };
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}
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function decorate(decorator, target, parameterIndexOrProperty) {
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if (typeof parameterIndexOrProperty === "number") {
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_decorate([_param(parameterIndexOrProperty, decorator)], target);
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}
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else if (typeof parameterIndexOrProperty === "string") {
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Reflect.decorate([decorator], target, parameterIndexOrProperty);
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}
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else {
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_decorate([decorator], target);
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}
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}
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export { decorate, tagParameter, tagProperty, createTaggedDecorator };
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//# sourceMappingURL=decorator_utils.js.map
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