How to add translated string to JHipster AngularJS controller

Let’s assume we have already language files in /src/main/webapp/i18n/ and reference for it in state.js.

In controller add $translate to inject section:

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ManagerSubstituteDialogController.$inject = ['$timeout', '$scope', '$stateParams', '$translate', '$uibModalInstance', 'entity', 'ProductSold', 'Product', 'ProductOnStock', 'ManagerSubstitute']; function ManagerSubstituteDialogController ($timeout, $scope, $stateParams, $translate, $uibModalInstance, entity, ProductSold, Product, ProductOnStock, ManagerSubstitute) {

Then translated string is:

1	var substituteString=$translate.instant("barfitterApp.productSold.substitute");