{"id":28770,"date":"2023-06-30T18:43:38","date_gmt":"2023-06-30T15:13:38","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/error-handling-with-angular-39bi\/"},"modified":"2023-06-30T18:43:38","modified_gmt":"2023-06-30T15:13:38","slug":"error-handling-with-angular-39bi","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/error-handling-with-angular-39bi\/","title":{"rendered":"\u0645\u062f\u06cc\u0631\u06cc\u062a \u062e\u0637\u0627 \u0628\u0627 Angular &#8211; \u0627\u0646\u062c\u0645\u0646 DEV"},"content":{"rendered":"<div data-article-id=\"1521763\" id=\"article-body\">\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter-rtl ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0641\u0647\u0631\u0633\u062a \u0645\u0637\u0627\u0644\u0628<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs 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href=\"https:\/\/nabfollower.com\/blog\/error-handling-with-angular-39bi\/#%D8%AE%D8%B7%D8%A7%D9%87%D8%A7%DB%8C_HTTP\" >\u062e\u0637\u0627\u0647\u0627\u06cc HTTP<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nabfollower.com\/blog\/error-handling-with-angular-39bi\/#%D8%AE%D8%B7%D8%A7%D9%87%D8%A7%DB%8C_HTTP_%D8%B3%D9%85%D8%AA_%DA%A9%D9%84%D8%A7%DB%8C%D9%86%D8%AA\" >\u062e\u0637\u0627\u0647\u0627\u06cc HTTP \u0633\u0645\u062a \u06a9\u0644\u0627\u06cc\u0646\u062a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/nabfollower.com\/blog\/error-handling-with-angular-39bi\/#%D8%A8%D9%87%D8%AA%D8%B1%DB%8C%D9%86_%D8%B1%D8%A7%D9%87_%D8%A8%D8%B1%D8%A7%DB%8C_%D9%85%D9%82%D8%A7%D8%A8%D9%84%D9%87_%D8%A8%D8%A7_%DA%86%D9%86%DB%8C%D9%86_%D8%AE%D8%B7%D8%A7%D9%87%D8%A7%DB%8C%DB%8C_%DA%86%DB%8C%D8%B3%D8%AA%D8%9F\" >\u0628\u0647\u062a\u0631\u06cc\u0646 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\u062e\u0637\u0627\u06cc HTTP<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/nabfollower.com\/blog\/error-handling-with-angular-39bi\/#%D9%85%DB%8C_%D8%AE%D9%88%D8%A7%D9%87%DB%8C%D8%AF_%D8%B4%D8%B1%DA%A9%D8%AA_%D8%AA%D9%88%D8%B3%D8%B9%D9%87_%D8%A7%D9%86%DA%AF%D9%88%D9%84%D8%A7%D8%B1_%D9%85%D9%88%D8%B1%D8%AF_%D8%A7%D8%B9%D8%AA%D9%85%D8%A7%D8%AF_%D8%B1%D8%A7_%D8%A7%D8%B3%D8%AA%D8%AE%D8%AF%D8%A7%D9%85_%DA%A9%D9%86%DB%8C%D8%AF_%E2%80%93_%D9%87%D9%85%DB%8C%D9%86_%D8%A7%D9%85%D8%B1%D9%88%D8%B2_%D9%BE%D8%B1%D8%B3_%D9%88_%D8%AC%D9%88_%DA%A9%D9%86%DB%8C%D8%AF\" >\u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u0634\u0631\u06a9\u062a \u062a\u0648\u0633\u0639\u0647 \u0627\u0646\u06af\u0648\u0644\u0627\u0631 \u0645\u0648\u0631\u062f \u0627\u0639\u062a\u0645\u0627\u062f \u0631\u0627 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 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class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0645\u0647\u0645\u062a\u0631\u06cc\u0646 \u062c\u0646\u0628\u0647 \u062a\u0648\u0633\u0639\u0647 \u0628\u0631\u0646\u0627\u0645\u0647 \u0645\u062f\u06cc\u0631\u06cc\u062a \u062e\u0637\u0627 \u0627\u0633\u062a.  \u0627\u06cc\u0646 \u0646\u0642\u0635 \u0647\u0627 \u0645\u0627\u0646\u0639 \u062a\u0644\u0627\u0634 \u0645\u0627 \u0645\u06cc \u0634\u0648\u062f.  \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0645\u0634\u06a9\u0644\u06cc \u067e\u06cc\u0634 \u0628\u06cc\u0627\u06cc\u062f\u060c \u0628\u0631\u0646\u0627\u0645\u0647 \u0628\u0627 \u062e\u0637\u0627 \u0645\u0648\u0627\u062c\u0647 \u0645\u06cc \u0634\u0648\u062f.  Angular \u0645\u0634\u06a9\u0644\u0627\u062a \u0631\u0627 \u062d\u0644 \u0645\u06cc \u06a9\u0646\u062f\u060c \u0627\u0645\u0627 \u06a9\u0627\u0631 \u062f\u06cc\u06af\u0631\u06cc \u062c\u0632 \u0646\u0648\u0634\u062a\u0646 \u0622\u0646\u0647\u0627 \u062f\u0631 \u06a9\u0646\u0633\u0648\u0644 \u0627\u0646\u062c\u0627\u0645 \u0646\u0645\u06cc \u062f\u0647\u062f.  \u0627\u06cc\u0646 \u0647\u0645 \u0628\u0631\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631 \u0648 \u0647\u0645 \u0628\u0631\u0627\u06cc \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u0647 \u0646\u0627\u062e\u0648\u0634\u0627\u06cc\u0646\u062f \u0627\u0633\u062a.  \u062e\u0637\u0627\u0647\u0627\u06cc \u0634\u06af\u0641\u062a\u200c\u0627\u0646\u06af\u06cc\u0632 \u062f\u0631 \u0647\u0631 \u0632\u0645\u0627\u0646 \u0631\u062e \u0645\u06cc\u200c\u062f\u0647\u062f\u060c \u0628\u0647\u200c\u0635\u0648\u0631\u062a \u06cc\u06a9 \u0634\u06a9\u0633\u062a \u0627\u0631\u062a\u0628\u0627\u0637\u060c \u0627\u0633\u062a\u062b\u0646\u0627\u06cc \u062a\u0647\u06cc\u060c \u0639\u062f\u0645 \u062f\u0633\u062a\u0631\u0633\u06cc \u062e\u0627\u0644\u0635\u060c \u06a9\u0627\u0631\u0628\u0631 \u063a\u06cc\u0631\u0645\u062c\u0627\u0632 Associate in Nursing\u060c \u06cc\u0627 \u062c\u0644\u0633\u0647 \u0646\u0627\u0645\u0639\u062a\u0628\u0631.<\/p>\n<p>2 \u0646\u0648\u0639 \u0645\u06a9\u0627\u0646\u06cc\u0633\u0645 \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u062e\u0637\u0627 \u062f\u0631 Angular \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f.<\/p>\n<ul>\n<li>\u062e\u0637\u0627\u0647\u0627\u06cc HTTP<\/li>\n<li>\u062e\u0637\u0627\u0647\u0627\u06cc \u0633\u0645\u062a \u0645\u0634\u062a\u0631\u06cc<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"%D8%AE%D8%B7%D8%A7%D9%87%D8%A7%DB%8C_HTTP\"><\/span>\n<p>  \u062e\u0637\u0627\u0647\u0627\u06cc HTTP<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u0627\u0632 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\u062e\u0631\u0627\u0628\u06cc \u0633\u0631\u0648\u0631.  \u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u0645\u0634\u062a\u0631\u06cc \u0633\u0639\u06cc \u0645\u06cc \u06a9\u0646\u062f \u062f\u0631\u062e\u0648\u0627\u0633\u062a HTTP \u0631\u0627 \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u06a9\u0646\u062f\u060c \u0639\u06a9\u0633 \u0622\u0646 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u0634\u0648\u062f.  \u0627\u06cc\u0646 \u0645\u0634\u06a9\u0644\u0627\u062a \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0646\u0627\u0634\u06cc \u0627\u0632 \u06cc\u06a9 \u062e\u0637\u0627\u06cc \u0634\u0628\u06a9\u0647\u060c \u0645\u0634\u06a9\u0644 \u062a\u0648\u0644\u06cc\u062f \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u06cc\u0627 \u0686\u06cc\u0632 \u062f\u06cc\u06af\u0631\u06cc \u0628\u0627\u0634\u062f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D8%AE%D8%B7%D8%A7%D9%87%D8%A7%DB%8C_HTTP_%D8%B3%D9%85%D8%AA_%DA%A9%D9%84%D8%A7%DB%8C%D9%86%D8%AA\"><\/span>\n<p>  \u062e\u0637\u0627\u0647\u0627\u06cc HTTP \u0633\u0645\u062a \u06a9\u0644\u0627\u06cc\u0646\u062a<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062e\u0637\u0627\u0647\u0627\u06cc HTTP \u0633\u0645\u062a \u06a9\u0644\u0627\u06cc\u0646\u062a \u0645\u0631\u0628\u0648\u0637 \u0628\u0647 \u062a\u0645\u0627\u0645 \u062e\u0637\u0627\u0647\u0627\u06cc\u06cc \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 \u0646\u062a\u06cc\u062c\u0647 \u06cc\u06a9 \u0648\u0627\u062d\u062f \u06a9\u062f \u0631\u062e \u0645\u06cc \u062f\u0647\u062f.  \u0627\u06cc\u0646 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u06a9\u0647 \u06cc\u06a9 \u0646\u0642\u0635 \u062f\u0631 \u06a9\u062f \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D8%A8%D9%87%D8%AA%D8%B1%DB%8C%D9%86_%D8%B1%D8%A7%D9%87_%D8%A8%D8%B1%D8%A7%DB%8C_%D9%85%D9%82%D8%A7%D8%A8%D9%84%D9%87_%D8%A8%D8%A7_%DA%86%D9%86%DB%8C%D9%86_%D8%AE%D8%B7%D8%A7%D9%87%D8%A7%DB%8C%DB%8C_%DA%86%DB%8C%D8%B3%D8%AA%D8%9F\"><\/span>\n<p>  \u0628\u0647\u062a\u0631\u06cc\u0646 \u0631\u0627\u0647 \u0628\u0631\u0627\u06cc \u0645\u0642\u0627\u0628\u0644\u0647 \u0628\u0627 \u0686\u0646\u06cc\u0646 \u062e\u0637\u0627\u0647\u0627\u06cc\u06cc \u0686\u06cc\u0633\u062a\u061f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 Angular \u062f\u0648 \u0631\u0627\u0647 \u0628\u0631\u0627\u06cc \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0634\u06a9\u0644\u0627\u062a \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f.<\/p>\n<ol>\n<li>\u067e\u06cc\u0634\u200c\u0641\u0631\u0636 \u0645\u062f\u06cc\u0631\u06cc\u062a \u062e\u0637\u0627<\/li>\n<li>\u0645\u062f\u06cc\u0631\u06cc\u062a \u062e\u0637\u0627\u06cc \u062c\u0647\u0627\u0646\u06cc<\/li>\n<\/ol>\n<h2><span class=\"ez-toc-section\" id=\"%D9%BE%DB%8C%D8%B4%E2%80%8C%D9%81%D8%B1%D8%B6_%D9%85%D8%AF%DB%8C%D8%B1%DB%8C%D8%AA_%D8%AE%D8%B7%D8%A7\"><\/span>\n<p>  \u067e\u06cc\u0634\u200c\u0641\u0631\u0636 \u0645\u062f\u06cc\u0631\u06cc\u062a \u062e\u0637\u0627<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0645\u0627 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u0647 \u0633\u0627\u062f\u06af\u06cc \u0627\u0632 \u0645\u06a9\u0627\u0646\u06cc\u0633\u0645 try-catch \u0628\u0631\u0627\u06cc \u0645\u0642\u0627\u0628\u0644\u0647 \u0628\u0627 \u0627\u0634\u062a\u0628\u0627\u0647 \u062f\u0631 \u0627\u06cc\u0646 \u062a\u06a9\u0646\u06cc\u06a9 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645.  \u0627\u06cc\u0646 \u06cc\u06a9 \u0631\u0648\u0634 \u0627\u0645\u062a\u062d\u0627\u0646 \u0634\u062f\u0647 \u0648 \u0648\u0627\u0642\u0639\u06cc \u0628\u0631\u0627\u06cc \u0645\u0642\u0627\u0628\u0644\u0647 \u0628\u0627 \u0627\u0634\u062a\u0628\u0627\u0647\u0627\u062a \u0627\u0633\u062a.<\/p>\n<p><strong>\u0646\u062d\u0648<\/strong><\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>  handelerror()\n  {\n    try\n    {\n      \/\/ Your code here\n    }  \n    Catch(error)\n    {\n      \/\/ handle error here\n    } \n  }\n\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"%D9%85%D8%AF%DB%8C%D8%B1%DB%8C%D8%AA_%D8%AE%D8%B7%D8%A7_%D8%AF%D8%B1_%D9%85%D9%82%DB%8C%D8%A7%D8%B3_%D8%AC%D9%87%D8%A7%D9%86%DB%8C\"><\/span>\n<p>  \u0645\u062f\u06cc\u0631\u06cc\u062a \u062e\u0637\u0627 \u062f\u0631 \u0645\u0642\u06cc\u0627\u0633 \u062c\u0647\u0627\u0646\u06cc<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u062f\u0631 \u0628\u062e\u0634 \u0642\u0628\u0644 \u0645\u0634\u062e\u0635 \u0634\u062f\u060c \u062f\u0633\u062a\u0647 GlobalErrorHandler \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0627\u0631\u0627\u0626\u0647 \u062f\u0647\u0646\u062f\u0647 \u062f\u0631 ERP \u062b\u0628\u062a \u0634\u062f\u0647 \u0627\u0633\u062a.  \u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u06cc\u06a9 \u062e\u0637\u0627 \u062f\u0631 \u0641\u0648\u0627\u0635\u0644 \u0632\u0645\u0627\u0646\u06cc \u0627\u0639\u0645\u0627\u0644 \u0645\u06cc \u0634\u0648\u062f\u060c \u0627\u06cc\u0646 \u0631\u0648\u06cc\u06a9\u0631\u062f \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0634\u0646\u0627\u062e\u062a\u0647 \u0645\u06cc \u0634\u0648\u062f.  \u062e\u0637\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u0634\u0648\u062f \u0648 \u0628\u0627\u06cc\u062f \u0628\u0647 \u0635\u0648\u0631\u062a \u0634\u062e\u0635\u06cc \u062f\u0631 \u0641\u0648\u0627\u0635\u0644 \u0632\u0645\u0627\u0646\u06cc \u062a\u06a9\u0646\u06cc\u06a9 \u0627\u0631\u0627\u0626\u0647 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id=\"%D8%A8%DB%8C%D8%B4%D8%AA%D8%B1_%D8%A8%D8%AE%D9%88%D8%A7%D9%86%DB%8C%D8%AF_%D8%B1%D8%A7%D9%87%D9%86%D9%85%D8%A7%DB%8C_%DA%A9%D8%A7%D9%85%D9%84_%DA%A9%D8%AA%D8%A7%D8%A8%D8%AE%D8%A7%D9%86%D9%87_Angular_Rxjs\"><\/span>\n<p>  \u0628\u06cc\u0634\u062a\u0631 \u0628\u062e\u0648\u0627\u0646\u06cc\u062f: \u0631\u0627\u0647\u0646\u0645\u0627\u06cc \u06a9\u0627\u0645\u0644 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 Angular Rxjs<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u067e\u0646\u062c\u0631\u0647 \u062f\u06cc\u0627\u0644\u0648\u06af \u0628\u0633\u062a\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f\u060c \u0639\u0644\u06cc\u200c\u0631\u063a\u0645 \u0627\u06cc\u0646\u06a9\u0647 \u062e\u0637\u0627 \u062f\u0631 \u062e\u0627\u0631\u062c \u0627\u0632 ngZone \u067e\u0631\u062a\u0627\u0628 \u0634\u062f\u0647 \u0627\u0633\u062a \u06cc\u0627 \u0646\u0647\u060c \u0632\u06cc\u0631\u0627 \u062f\u0631 \u0646\u062a\u06cc\u062c\u0647 \u0628\u0627\u0632 \u0634\u062f\u0646 \u0622\u0646 \u062f\u0631 \u0647\u0646\u06af\u0627\u0645 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0627\u0632 zone.run.  \u0627\u06cc\u0646 \u0627\u063a\u0644\u0628 \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u060c \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u0627\u06af\u0631 \u06cc\u06a9 \u062e\u0637\u0627\u06cc \u0627\u062a\u0635\u0627\u0644 \u0686\u0631\u062e\u0647 \u062d\u06cc\u0627\u062a \u0645\u0627\u0646\u0646\u062f ngOnInit \u0627\u0646\u062c\u0627\u0645 \u062f\u0631 \u0637\u0648\u0644 \u06cc\u06a9 \u0642\u0637\u0639\u0647 \u0627\u062a\u0641\u0627\u0642 \u0645\u06cc \u0627\u0641\u062a\u062f.<\/p>\n<p><strong>global-error-handler.ts<\/strong><\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>  @Injectable()\nexport class GlobalErrorHandler implements ErrorHandler {\n  constructor(private errorDialogService: ErrorDialogService, private zone: NgZone) {}\n  handleError(error: Error) {\n    this.zone.run(() =&gt;\n      this.errorDialogService.openDialog(\n        error.message || \"Undefined client error\"\n    ));\n    console.error(\"Error from global error handler\", error);\n  }\n}\n\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u062f\u0631 \u0645\u062b\u0627\u0644 \u0645\u0627\u060c \u0631\u0648\u0634\u06cc \u062f\u0631 AppComponent \u0628\u0647 \u0646\u0627\u0645 localError \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u062e\u0637\u0627 \u0645\u06cc\u200c\u062f\u0647\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>  localError() {\n    throw Error(\"The app component has thrown an error!\");\n  }\n\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u0627\u06af\u0631 \u062f\u06a9\u0645\u0647 \u0627\u0635\u0644\u06cc \u0641\u0634\u0627\u0631 \u062f\u0627\u062f\u0647 \u0634\u0648\u062f\u060c \u0627\u06cc\u0646 \u0645\u06a9\u0627\u0646\u06cc\u0633\u0645 \u0646\u0627\u0645\u06af\u0630\u0627\u0631\u06cc \u0645\u06cc \u0634\u0648\u062f \u0648 GlobalErrorHandler \u0645\u0634\u06a9\u0644\u06cc \u0631\u0627 \u06a9\u0647 \u0628\u0627 \u0646\u0645\u0627\u06cc\u0634 \u0627\u06cc\u0646 \u06af\u0641\u062a\u06af\u0648 \u0627\u06cc\u062c\u0627\u062f \u0634\u062f\u0647 \u0627\u0633\u062a \u0628\u0631\u0637\u0631\u0641 \u0645\u06cc \u06a9\u0646\u062f:<\/p>\n<p><\/p>\n<p>\u0633\u067e\u0633 \u06a9\u0627\u0631\u0628\u0631 \u0628\u0631 \u0631\u0648\u06cc \u062f\u06a9\u0645\u0647 Close \u06a9\u0644\u06cc\u06a9 \u0645\u06cc \u06a9\u0646\u062f \u062a\u0627 \u06af\u0641\u062a\u06af\u0648\u06cc \u062e\u0637\u0627 \u0631\u0627 \u0631\u062f \u06a9\u0631\u062f\u0647 \u0648 \u0628\u0647 \u0628\u0631\u0646\u0627\u0645\u0647 \u0628\u0627\u0632\u06af\u0631\u062f\u062f.  \u062f\u0631 \u0648\u0627\u0642\u0639\u060c \u0645\u06a9\u0627\u0646\u06cc\u0633\u0645 \u06cc\u06a9 \u062e\u0637\u0627 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0627\u0632 \u0645\u0648\u0631\u062f\u06cc \u0628\u0647 \u0645\u0648\u0631\u062f \u062f\u06cc\u06af\u0631 \u0645\u062a\u0641\u0627\u0648\u062a \u0628\u0627\u0634\u062f \u0648 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0627\u0642\u062f\u0627\u0645\u0627\u062a \u0628\u06cc\u0634\u062a\u0631\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f.  \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u06cc\u0627\u062f\u062f\u0627\u0634\u062a \u06a9\u0631\u062f\u0646 \u067e\u06cc\u063a\u0627\u0645 \u062e\u0637\u0627 \u062f\u0631 \u06af\u0632\u0627\u0631\u0634 \u062d\u0631\u06a9\u062a \u062f\u0631 \u067e\u0627\u06cc\u0627\u0646\u060c \u0645\u0631\u0648\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u062f\u0631 \u0635\u0641\u062d\u0647 \u062f\u06cc\u06af\u0631\u06cc\u060c \u06cc\u0627 \u062a\u0646\u0638\u06cc\u0645 \u0645\u062c\u062f\u062f \u0648\u0636\u0639\u06cc\u062a \u062e\u0627\u0635\u06cc \u0647\u0646\u06af\u0627\u0645 \u0645\u0634\u0627\u0647\u062f\u0647 \u0639\u0645\u0644\u06a9\u0631\u062f\u0647\u0627\u060c \u0627\u063a\u0644\u0628 \u0645\u0641\u06cc\u062f \u0627\u0633\u062a.  \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0648\u0631\u062f\u060c \u0645\u0627 \u0645\u0639\u0645\u0648\u0644\u0627 \u0641\u0642\u0637 \u06af\u0641\u062a\u06af\u0648\u06cc \u062e\u0637\u0627 \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u06cc\u0645.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D8%B1%D9%87%DA%AF%DB%8C%D8%B1_%D8%AE%D8%B7%D8%A7%DB%8C_HTTP\"><\/span>\n<p>  \u0631\u0647\u06af\u06cc\u0631 \u062e\u0637\u0627\u06cc HTTP<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u06a9\u0627\u0631\u062f\u0627\u0646\u06cc \u062f\u0631 \u0631\u062f\u0647 \u062c\u0646\u06af\u0646\u062f\u0647 \u067e\u0631\u0648\u062a\u06a9\u0644 \u0627\u0646\u062a\u0642\u0627\u0644 \u0641\u0631\u0627\u0645\u062a\u0646 \u067e\u0631\u0633\u062a\u0627\u0631\u06cc\u060c \u0631\u0647\u06af\u06cc\u0631\u06cc 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\u0628\u0631\u0646\u0627\u0645\u0647 \u0645\u0627\u060c \u0635\u0631\u0641 \u0646\u0638\u0631 \u0627\u0632 \u0627\u06cc\u0646\u06a9\u0647 \u0633\u0647 \u062a\u0627\u062c \u0628\u0627\u0634\u062f \u06cc\u0627 \u0646\u0647\u060c \u0627\u0639\u0645\u0627\u0644 \u0645\u06cc \u0634\u0648\u062f.  \u0627\u06cc\u0646 \u0647\u0645\u0686\u0646\u06cc\u0646 \u0627\u06cc\u0646 \u0627\u0645\u06a9\u0627\u0646 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0627\u06cc\u0627\u0644\u0627\u062a \u0645\u062a\u062d\u062f\u0647 \u0641\u0631\u0627\u0647\u0645 \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u06cc\u06a9 \u0627\u0633\u067e\u06cc\u0646\u0631 \u0628\u0627\u0631\u06af\u06cc\u0631\u06cc \u0631\u0627 \u062a\u0631\u0627\u0632 \u06a9\u0646\u062f.  \u0627\u0648\u0644\u06cc\u0646 \u0645\u0631\u062d\u0644\u0647 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0633\u0631\u0648\u06cc\u0633\u06cc \u0627\u0633\u062a \u06a9\u0647 \u06af\u0641\u062a\u06af\u0648\u06cc Loading Spinner \u0631\u0627 \u0646\u0645\u0627\u06cc\u0634 \u0645\u06cc \u062f\u0647\u062f:<\/p>\n<p>this.loadingDialogService.openDialog();<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/nabfollower.com\/blog\/wp-content\/uploads\/2023\/06\/1688138018_948_\u0645\u062f\u06cc\u0631\u06cc\u062a-\u062e\u0637\u0627-\u0628\u0627-Angular-\u0627\u0646\u062c\u0645\u0646-DEV.png\" alt=\"\u062a\u0648\u0636\u06cc\u062d\u0627\u062a \u062a\u0635\u0648\u06cc\u0631\" loading=\"lazy\" width=\"800\" height=\"375\" title=\"\"><\/p>\n<p>\u0635\u0641\u062d\u0647 \u062e\u0637\u0627<br \/>\u06af\u0641\u062a\u06af\u0648\u06cc \u0622\u067e\u0644\u0648\u062f \u0686\u0631\u062e\u0634\u06cc \u0628\u0627\u0632 \u0645\u06cc \u0634\u0648\u062f \u0648 \u0628\u0647 \u06a9\u0627\u0631\u0628\u0631 \u0627\u0637\u0644\u0627\u0639 \u0645\u06cc \u062f\u0647\u062f \u06a9\u0647 \u062a\u0639\u0627\u0645\u0644 \u0628\u0627 \u0642\u0633\u0645\u062a \u067e\u0634\u062a\u06cc \u062f\u0631 \u062d\u0627\u0644 \u062d\u0627\u0636\u0631 \u0645\u062f\u062a\u06cc 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\u0628\u0647 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0647\u0627 \u06cc\u06a9 \u0628\u0647 \u06cc\u06a9 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u062f.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%D9%85%DB%8C_%D8%AE%D9%88%D8%A7%D9%87%DB%8C%D8%AF_%D8%B4%D8%B1%DA%A9%D8%AA_%D8%AA%D9%88%D8%B3%D8%B9%D9%87_%D8%A7%D9%86%DA%AF%D9%88%D9%84%D8%A7%D8%B1_%D9%85%D9%88%D8%B1%D8%AF_%D8%A7%D8%B9%D8%AA%D9%85%D8%A7%D8%AF_%D8%B1%D8%A7_%D8%A7%D8%B3%D8%AA%D8%AE%D8%AF%D8%A7%D9%85_%DA%A9%D9%86%DB%8C%D8%AF_%E2%80%93_%D9%87%D9%85%DB%8C%D9%86_%D8%A7%D9%85%D8%B1%D9%88%D8%B2_%D9%BE%D8%B1%D8%B3_%D9%88_%D8%AC%D9%88_%DA%A9%D9%86%DB%8C%D8%AF\"><\/span>\n<p>  \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u0634\u0631\u06a9\u062a \u062a\u0648\u0633\u0639\u0647 \u0627\u0646\u06af\u0648\u0644\u0627\u0631 \u0645\u0648\u0631\u062f \u0627\u0639\u062a\u0645\u0627\u062f \u0631\u0627 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u06a9\u0646\u06cc\u062f &#8211; \u0647\u0645\u06cc\u0646 \u0627\u0645\u0631\u0648\u0632 \u067e\u0631\u0633 \u0648 \u062c\u0648 \u06a9\u0646\u06cc\u062f.<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u0645\u0627 \u0639\u0645\u0644\u06af\u0631 catchError \u0631\u0627 \u0642\u0631\u0628\u0627\u0646\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f\u060c \u06a9\u0647 \u0647\u0631 \u0632\u0645\u0627\u0646 \u06a9\u0647 \u0627\u0634\u062a\u0628\u0627\u0647\u06cc \u0628\u0647 \u062f\u0644\u06cc\u0644 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0646\u0627\u0645\u0646\u0627\u0633\u0628 \u0628\u0647 backend \u0627\u0646\u062c\u0627\u0645 \u0634\u0648\u062f\u060c \u0645\u0631\u062f\u0647 \u0627\u0633\u062a.  \u0627\u06cc\u0646 \u0645\u0634\u06a9\u0644 \u0641\u0642\u0637 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0627\u0642\u062f\u0627\u0645 \u0627\u0648\u0644\u06cc\u0647 \u062f\u0631 \u06a9\u0646\u0633\u0648\u0644 \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0628\u0631\u0646\u0627\u0645\u0647 \u062b\u0628\u062a \u0645\u06cc \u0634\u0648\u062f.  \u0633\u0631\u0648\u06cc\u0633 \u067e\u0646\u062c\u0631\u0647 \u062e\u0637\u0627 \u0628\u0627 \u0646\u0627\u0645\u200c\u0647\u0627\u06cc \u00ab\u0628\u0627\u0632 \u06a9\u0631\u062f\u0646 \u067e\u0646\u062c\u0631\u0647 \u0628\u0627 \u067e\u06cc\u0627\u0645 \u062e\u0637\u0627\u00bb \u0648 \u00ab\u06a9\u062f \u0627\u06cc\u0633\u062a\u0627\u062f\u0647 \u067e\u0627\u0633\u062e \u062e\u0637\u0627\u00bb \u0646\u06cc\u0632 \u0634\u0646\u0627\u062e\u062a\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f (\u0645\u062b\u0644\u0627\u064b 404).  \u062f\u0631 \u0646\u0647\u0627\u06cc\u062a\u060c \u0645\u0627 \u0628\u0627\u06cc\u062f \u0628\u0627 \u0627\u0639\u0644\u0627\u0646 \u062e\u0637\u0627 \u062a\u0648\u0644\u06cc\u062f \u0634\u062f\u0647 \u062a\u0648\u0633\u0637 \u062a\u0627\u0628\u0639 business throwError \u06a9\u0647 \u062e\u0637\u0627 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0648\u0631\u0648\u062f\u06cc \u062f\u0631\u06cc\u0627\u0641\u062a \u0645\u06cc \u06a9\u0646\u062f\u060c \u0645\u0642\u0627\u0628\u0644\u0647 \u06a9\u0646\u06cc\u0645.  \u0686\u0647 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u062e\u0637\u0627\u06cc\u06cc \u0627\u0631\u0627\u0626\u0647 \u062f\u0647\u062f \u06cc\u0627 \u0646\u0647\u060c \u06af\u0641\u062a\u06af\u0648\u06cc \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u06af\u0631\u062f\u0627\u0646 \u06cc\u06a9 \u0628\u0627\u0631 \u062f\u06cc\u06af\u0631 \u0628\u0627 \u06a9\u0645\u06a9 \u0642\u0627\u062a\u0644 \u062f\u0641\u0646 \u0645\u06cc \u0634\u0648\u062f.  &#8211; \u06cc\u0639\u0646\u06cc catchError \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 &#8211; \u06cc\u0627 \u0646\u0647 \u0646\u0627\u0645\u06cc\u062f\u0647 \u0634\u062f.<\/p>\n<p>\u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0645\u0648\u0646\u0647 \u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0628\u06cc\u0646\u06cc\u062f \u06a9\u0647 \u062f\u0631\u062e\u0648\u0627\u0633\u062a HTTP \u0632\u06cc\u0631 \u0646\u06cc\u0627\u0632\u06cc \u0628\u0647 \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u062e\u0637\u0627\u06cc \u0627\u0636\u0627\u0641\u06cc \u0646\u062f\u0627\u0631\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>  failingRequest() {\n    this.http.get(\"https:\/\/httpstat.us\/404?sleep=2000\").toPromise();\n  }\n\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u06af\u0641\u062a\u06af\u0648\u06cc \u062e\u0637\u0627 \u0628\u0647 \u0634\u06a9\u0644 \u0632\u06cc\u0631 \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/nabfollower.com\/blog\/wp-content\/uploads\/2023\/06\/1688138018_201_\u0645\u062f\u06cc\u0631\u06cc\u062a-\u062e\u0637\u0627-\u0628\u0627-Angular-\u0627\u0646\u062c\u0645\u0646-DEV.png\" alt=\"\u062a\u0648\u0636\u06cc\u062d\u0627\u062a \u062a\u0635\u0648\u06cc\u0631\" loading=\"lazy\" width=\"800\" height=\"518\" title=\"\"><\/p>\n<p><strong>\u06af\u0641\u062a\u06af\u0648\u06cc \u062e\u0637\u0627<\/strong><br \/>\u062f\u0631 \u0646\u0647\u0627\u06cc\u062a\u060c \u0644\u0627\u0632\u0645 \u0628\u0647 \u0630\u06a9\u0631 \u0627\u0633\u062a \u06a9\u0647 \u06a9\u0646\u062a\u0631\u0644 \u06a9\u0646\u0646\u062f\u0647 \u062e\u0637\u0627\u06cc \u062c\u0647\u0627\u0646 \u0627\u0632 \u0646\u0642\u0635 \u067e\u0631\u0648\u062a\u06a9\u0644 \u0627\u0646\u062a\u0642\u0627\u0644 \u0645\u062a\u0646 \u0642\u0627\u0628\u0644 \u062e\u0648\u0627\u0646\u062f\u0646 \u062a\u0648\u0633\u0637 \u0645\u0627\u0634\u06cc\u0646 \u0622\u06af\u0627\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a (\u0634\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u06cc\u0646 \u0631\u0627 \u062f\u0631 \u0628\u0627\u0632\u0647 \u0647\u0627\u06cc \u0632\u0645\u0627\u0646\u06cc \u062f\u0631 \u06a9\u0646\u0633\u0648\u0644 \u0645\u0631\u0648\u0631\u06af\u0631 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