{"id":96439,"date":"2025-02-07T17:25:55","date_gmt":"2025-02-07T13:55:55","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/feature-flags-implementation-at-scale-3472\/"},"modified":"2025-02-07T17:25:55","modified_gmt":"2025-02-07T13:55:55","slug":"feature-flags-implementation-at-scale-3472","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/feature-flags-implementation-at-scale-3472\/","title":{"rendered":"\u067e\u0631\u0686\u0645 \u0647\u0627\u06cc \u0648\u06cc\u0698\u06af\u06cc: \u0627\u062c\u0631\u0627\u06cc \u062f\u0631 \u0645\u0642\u06cc\u0627\u0633"},"content":{"rendered":"<div data-article-id=\"2264494\" id=\"article-body\">\n<blockquote>\n<p>\u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0628\u062e\u0634\u06cc \u0627\u0632 \u0633\u0631\u06cc\u0627\u0644 \u0647\u0627\u06cc \u0645\u0646 \u062f\u0631 \u0645\u0648\u0631\u062f \u067e\u0631\u0686\u0645 \u0647\u0627\u06cc \u0648\u06cc\u0698\u06af\u06cc \u0627\u0633\u062a. \u0645\u0642\u0627\u0644\u0647 \u0648 \u0633\u0631\u06cc\u0627\u0644 \u06a9\u0627\u0645\u0644 \u0631\u0627 \u062f\u0631 \u0648\u0628\u0644\u0627\u06af \u0645\u0646 \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u062f.<\/p>\n<\/blockquote>\n<p>\u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u062a\u06cc\u0645 \u0647\u0627 \u0628\u0631\u0627\u06cc \u0627\u0648\u0644\u06cc\u0646 \u0628\u0627\u0631 \u067e\u0631\u0686\u0645 \u0647\u0627 \u0631\u0627 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0645\u06cc \u06a9\u0646\u0646\u062f \u060c \u0627\u063a\u0644\u0628 \u0628\u0627 \u06cc\u06a9 \u062f\u06cc\u062f \u0633\u0627\u062f\u0647 \u0634\u0631\u0648\u0639 \u0645\u06cc \u0634\u0648\u0646\u062f: &#8220;\u0645\u0627 \u0641\u0642\u0637 \u0686\u0646\u062f \u0636\u0627\u0645\u0646 \u0627\u0636\u0627\u0641\u0647 \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f \u062a\u0627 \u0627\u0633\u062a\u0642\u0631\u0627\u0631 \u062e\u0648\u062f \u0631\u0627 \u06a9\u0646\u062a\u0631\u0644 \u06a9\u0646\u06cc\u0645!&#8221; \u0627\u0645\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u0642\u06cc\u0627\u0633 \u0633\u06cc\u0633\u062a\u0645 \u060c \u0627\u06cc\u0646 &#8220;\u0636\u0627\u0645\u0646 \u0647\u0627\u06cc \u0633\u0627\u062f\u0647&#8221; \u0628\u0647 \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u062a\u0648\u0632\u06cc\u0639 \u0634\u062f\u0647 \u067e\u06cc\u0686\u06cc\u062f\u0647 \u062a\u0628\u062f\u06cc\u0644 \u0645\u06cc \u0634\u0648\u0646\u062f \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u06a9\u0644 \u0645\u0639\u0645\u0627\u0631\u06cc \u0634\u0645\u0627 \u0631\u0627 \u062a\u0648\u0627\u0646\u0645\u0646\u062f \u06cc\u0627 \u0641\u0644\u062c \u06a9\u0646\u0646\u062f.<\/p>\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 ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 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class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nabfollower.com\/blog\/feature-flags-implementation-at-scale-3472\/#%D9%85%D9%84%D8%A7%D8%AD%D8%B8%D8%A7%D8%AA_%D8%A7%D9%85%D9%86%DB%8C%D8%AA%DB%8C\" >\u0645\u0644\u0627\u062d\u0638\u0627\u062a \u0627\u0645\u0646\u06cc\u062a\u06cc<\/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\/feature-flags-implementation-at-scale-3472\/#%D9%85%DB%8C_%D8%AE%D9%88%D8%A7%D9%87%DB%8C%D8%AF_%D8%A8%DB%8C%D8%B4%D8%AA%D8%B1_%D8%A8%D8%AF%D8%A7%D9%86%DB%8C%D8%AF%D8%9F\" >\u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u0628\u06cc\u0634\u062a\u0631 \u0628\u062f\u0627\u0646\u06cc\u062f\u061f<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"%D9%BE%DB%8C%DA%86%DB%8C%D8%AF%DA%AF%DB%8C_%D9%BE%D9%86%D9%87%D8%A7%D9%86\"><\/span>\n<p>  \u067e\u06cc\u0686\u06cc\u062f\u06af\u06cc \u067e\u0646\u0647\u0627\u0646<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0628\u06cc\u0646\u06cc\u0645 \u06a9\u0647 \u0627\u06a9\u062b\u0631 \u062a\u06cc\u0645 \u0647\u0627 \u0686\u06af\u0648\u0646\u0647 \u0634\u0631\u0648\u0639 \u0645\u06cc \u0634\u0648\u0646\u062f. \u0627\u062c\u0631\u0627\u06cc \u0645\u0639\u0645\u0648\u0644\u0627\u064b \u0686\u06cc\u0632\u06cc \u0634\u0628\u06cc\u0647 \u0628\u0647 \u0627\u06cc\u0646 \u0627\u0633\u062a:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight typescript\"><code><span class=\"kd\">class<\/span> <span class=\"nc\">SimpleFeatureFlag<\/span> <span class=\"p\">{<\/span>\n  <span class=\"k\">async<\/span> <span class=\"nf\">isEnabled<\/span><span class=\"p\">(<\/span><span class=\"nx\">feature<\/span><span class=\"p\">:<\/span> <span class=\"kr\">string<\/span><span class=\"p\">):<\/span> <span class=\"nb\">Promise<\/span><span class=\"o\">&lt;<\/span><span class=\"nx\">boolean<\/span><span class=\"o\">&gt;<\/span> <span class=\"p\">{<\/span>\n    <span class=\"kd\">const<\/span> <span class=\"nx\">config<\/span> <span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">store<\/span><span class=\"p\">.<\/span><span class=\"nf\">get<\/span><span class=\"p\">(<\/span><span class=\"nx\">feature<\/span><span class=\"p\">)<\/span>\n    <span class=\"k\">return<\/span> <span class=\"nx\">config<\/span><span class=\"p\">.<\/span><span class=\"nx\">enabled<\/span> <span class=\"c1\">\/\/ Seems simple enough, right?<\/span>\n  <span class=\"p\">}<\/span>\n<span class=\"p\">}<\/span>\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>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\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>&#8220;\u0627\u06cc\u0646 \u0641\u0642\u0637 \u06cc\u06a9 \u0686\u06a9 \u0628\u0648\u0644\u06cc \u0627\u0633\u062a!&#8221; \u0628\u0647 \u062e\u0648\u062f\u0645\u0627\u0646 \u0645\u06cc \u06af\u0648\u06cc\u06cc\u0645. \u0627\u0645\u0627 \u0648\u0627\u0642\u0639\u06cc\u062a \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u0645\u0642\u06cc\u0627\u0633 \u06af\u0630\u0627\u0631\u06cc \u0628\u0647 \u0633\u0631\u0639\u062a \u062f\u0631 \u063a\u06cc\u0631 \u0627\u06cc\u0646 \u0635\u0648\u0631\u062a \u0627\u062b\u0628\u0627\u062a \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<p>\u0622\u0646\u0686\u0647 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0636\u0627\u0645\u0646 \u0633\u0627\u062f\u0647 \u0634\u0631\u0648\u0639 \u0645\u06cc \u0634\u0648\u062f \u060c \u0628\u0647 \u0646\u0627\u0686\u0627\u0631 \u0628\u0627 \u0622\u0634\u06a9\u0627\u0631 \u0634\u062f\u0646 \u0646\u06cc\u0627\u0632\u0647\u0627 \u0631\u0634\u062f \u0645\u06cc \u06a9\u0646\u062f. \u0634\u0645\u0627 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f:<\/p>\n<ul>\n<li>\u0630\u062e\u06cc\u0631\u0647 \u0628\u0631\u0627\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f<\/li>\n<li>\u0642\u0637\u0639 \u06a9\u0646\u0646\u062f\u0647 \u0645\u062f\u0627\u0631 \u0628\u0631\u0627\u06cc \u0642\u0627\u0628\u0644\u06cc\u062a \u0627\u0637\u0645\u06cc\u0646\u0627\u0646<\/li>\n<li>\u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 \u06a9\u0646\u062a\u0631\u0644 \u0628\u0631\u0627\u06cc \u0627\u0645\u0646\u06cc\u062a<\/li>\n<li>\u0645\u0633\u06cc\u0631\u0647\u0627\u06cc \u062d\u0633\u0627\u0628\u0631\u0633\u06cc \u0628\u0631\u0627\u06cc \u0627\u0646\u0637\u0628\u0627\u0642<\/li>\n<li>\u062a\u062c\u0632\u06cc\u0647 \u0648 \u062a\u062d\u0644\u06cc\u0644 \u0628\u0631\u0627\u06cc \u0628\u06cc\u0646\u0634 \u0647\u0627\u06cc \u062a\u062c\u0627\u0631\u06cc<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"%DA%86%D8%A7%D9%84%D8%B4_%D9%87%D8%A7%DB%8C_%D9%88%D8%A7%D9%82%D8%B9%DB%8C\"><\/span>\n<p>  \u0686\u0627\u0644\u0634 \u0647\u0627\u06cc \u0648\u0627\u0642\u0639\u06cc<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u0642\u06cc\u0627\u0633 \u0633\u06cc\u0633\u062a\u0645 \u060c \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u062f\u0631\u0645\u0627\u0646 \u0645\u062a\u0641\u0627\u0648\u062a \u062f\u0627\u0631\u0646\u062f. \u0627\u06cc\u0646 \u062a\u06a9\u0627\u0645\u0644 \u0631\u0627 \u062f\u0631 \u0637\u0631\u0627\u062d\u06cc \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight typescript\"><code><span class=\"kd\">class<\/span> <span class=\"nc\">StrategyBasedConfigStore<\/span> <span class=\"kd\">extends<\/span> <span class=\"nc\">ConfigurationStore<\/span> <span class=\"p\">{<\/span>\n  <span class=\"k\">async<\/span> <span class=\"nf\">getFeatureConfig<\/span><span class=\"p\">(<\/span><span class=\"nx\">feature<\/span><span class=\"p\">:<\/span> <span class=\"kr\">string<\/span><span class=\"p\">):<\/span> <span class=\"nb\">Promise<\/span><span class=\"o\">&lt;<\/span><span class=\"nx\">FeatureConfig<\/span><span class=\"o\">&gt;<\/span> <span class=\"p\">{<\/span>\n    <span class=\"kd\">const<\/span> <span class=\"nx\">strategy<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nf\">getStrategyForFeature<\/span><span class=\"p\">(<\/span><span class=\"nx\">feature<\/span><span class=\"p\">)<\/span>\n    <span class=\"k\">switch <\/span><span class=\"p\">(<\/span><span class=\"nx\">strategy<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n      <span class=\"k\">case<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">ALWAYS_FRESH<\/span><span class=\"dl\">'<\/span><span class=\"p\">:<\/span>\n        <span class=\"c1\">\/\/ Critical payment features need real-time updates<\/span>\n        <span class=\"k\">return<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nf\">getFreshConfig<\/span><span class=\"p\">(<\/span><span class=\"nx\">feature<\/span><span class=\"p\">)<\/span>\n      <span class=\"k\">case<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">CACHE_FIRST<\/span><span class=\"dl\">'<\/span><span class=\"p\">:<\/span>\n        <span class=\"c1\">\/\/ UI features can tolerate some staleness for better performance<\/span>\n        <span class=\"k\">return<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nf\">getCacheFirstConfig<\/span><span class=\"p\">(<\/span><span class=\"nx\">feature<\/span><span class=\"p\">)<\/span>\n      <span class=\"k\">case<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">CACHED_WITH_BACKGROUND_REFRESH<\/span><span class=\"dl\">'<\/span><span class=\"p\">:<\/span>\n        <span class=\"c1\">\/\/ Best of both worlds for less critical features<\/span>\n        <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nf\">refreshInBackground<\/span><span class=\"p\">(<\/span><span class=\"nx\">feature<\/span><span class=\"p\">)<\/span>\n        <span class=\"k\">return<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nf\">getCachedConfig<\/span><span class=\"p\">(<\/span><span class=\"nx\">feature<\/span><span class=\"p\">)<\/span>\n      <span class=\"na\">default<\/span><span class=\"p\">:<\/span>\n        <span class=\"k\">return<\/span> <span class=\"k\">super<\/span><span class=\"p\">.<\/span><span class=\"nf\">getFeatureConfig<\/span><span class=\"p\">(<\/span><span class=\"nx\">feature<\/span><span class=\"p\">)<\/span>\n    <span class=\"p\">}<\/span>\n  <span class=\"p\">}<\/span>\n<span class=\"p\">}<\/span>\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>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\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 \u0627\u06cc\u0646 \u0645\u0631\u062d\u0644\u0647 \u060c \u0634\u0645\u0627 \u0641\u0642\u0637 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u062e\u0648\u062f \u0631\u0627 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0646\u0645\u06cc \u06a9\u0646\u06cc\u062f &#8211; \u0634\u0645\u0627 \u062f\u0631 \u062d\u0627\u0644 \u0633\u0627\u062e\u062a \u06cc\u06a9 \u0633\u06cc\u0633\u062a\u0645 \u062a\u0648\u0632\u06cc\u0639 \u0634\u062f\u0647 \u0647\u0633\u062a\u06cc\u062f \u06a9\u0647 \u0628\u0627\u06cc\u062f \u0631\u0633\u06cc\u062f\u06af\u06cc \u06a9\u0646\u062f:<\/p>\n<ul>\n<li>\u0628\u06cc \u0627\u0639\u062a\u0628\u0627\u0631 \u0628\u0648\u062f\u0646 \u062d\u0627\u0641\u0638\u0647 \u067e\u0646\u0647\u0627\u0646 (\u06cc\u06a9\u06cc \u0627\u0632 \u0645\u0634\u06a9\u0644\u0627\u062a \u0633\u062e\u062a \u062f\u0631 \u0639\u0644\u0648\u0645 \u06a9\u0627\u0645\u067e\u06cc\u0648\u062a\u0631)<\/li>\n<li>\u0634\u0631\u0627\u06cc\u0637 \u0645\u0633\u0627\u0628\u0642\u0647 \u062f\u0631 \u0628\u0647 \u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc \u0647\u0627<\/li>\n<li>\u062e\u0631\u0627\u0628\u06cc \u0634\u0628\u06a9\u0647 \u0648 \u0632\u0645\u0627\u0646 \u0628\u0646\u062f\u06cc<\/li>\n<li>\u0627\u06cc\u0627\u0644\u0627\u062a \u0645\u062a\u0646\u0627\u0642\u0636 \u062f\u0631 \u0633\u0631\u0627\u0633\u0631 \u062e\u062f\u0645\u0627\u062a<\/li>\n<li>\u0645\u0634\u06a9\u0644 \u0645\u062e\u0648\u0641 &#8220;\u06af\u0644\u0647 \u0631\u0639\u062f \u0648 \u0628\u0631\u0642&#8221;<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"%D9%85%D9%84%D8%A7%D8%AD%D8%B8%D8%A7%D8%AA_%D8%A7%D9%85%D9%86%DB%8C%D8%AA%DB%8C\"><\/span>\n<p>  \u0645\u0644\u0627\u062d\u0638\u0627\u062a \u0627\u0645\u0646\u06cc\u062a\u06cc<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0628\u0647 \u06cc\u0627\u062f \u062f\u0627\u0631\u06cc\u062f \u06a9\u0647 \u062a\u0633\u062a A\/B \u0634\u0645\u0627 \u0634\u0634 \u0645\u0627\u0647 \u067e\u06cc\u0634 \u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc \u06a9\u0631\u062f\u0647 \u0627\u06cc\u062f\u061f \u06a9\u0633\u06cc \u06a9\u0647 \u06cc\u06a9 \u0628\u0627\u06cc \u067e\u0633 \u0627\u0632 \u0645\u062d\u062f\u0648\u062f\u06cc\u062a \u0646\u0631\u062e \u062c\u062f\u06cc\u062f \u0631\u0627 \u0628\u0631\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631\u0627\u0646 \u0645\u0645\u062a\u0627\u0632 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0645\u06cc \u06a9\u0646\u062f\u061f \u0628\u0644\u0647 \u060c \u0647\u0646\u0648\u0632 \u0647\u0645 \u062f\u0631 \u062d\u0627\u0644 \u0627\u062c\u0631\u0627 \u0627\u0633\u062a \u060c \u0648 \u0627\u06a9\u0646\u0648\u0646 \u0628\u0647 \u0637\u0648\u0631 \u062a\u0635\u0627\u062f\u0641\u06cc \u06a9\u0646\u062a\u0631\u0644 \u0647\u0627\u06cc \u0627\u0645\u0646\u06cc\u062a\u06cc \u062c\u062f\u06cc\u062f \u0634\u0645\u0627 \u0631\u0627 \u062f\u0648\u0631 \u0645\u06cc \u0632\u0646\u062f. \ud83e\udd26\u200d\u2642<\/p>\n<p>\u0628\u0647 \u0647\u0645\u06cc\u0646 \u062f\u0644\u06cc\u0644 \u0627\u0633\u062a \u06a9\u0647 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u0646\u0627\u0633\u0628 \u0686\u0631\u062e\u0647 \u0639\u0645\u0631 \u0641\u0642\u0637 &#8220;\u062e\u0648\u0628 \u0628\u0648\u062f\u0646&#8221; \u0646\u06cc\u0633\u062a &#8211; \u0627\u06cc\u0646 \u0632\u06cc\u0631\u0633\u0627\u062e\u062a \u0647\u0627\u06cc \u0645\u0647\u0645 \u0627\u0633\u062a:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight typescript\"><code><span class=\"kd\">class<\/span> <span class=\"nc\">SecureFeatureManager<\/span> <span class=\"p\">{<\/span>\n  <span class=\"k\">async<\/span> <span class=\"nf\">updateFeature<\/span><span class=\"p\">(<\/span>\n    <span class=\"nx\">feature<\/span><span class=\"p\">:<\/span> <span class=\"kr\">string<\/span><span class=\"p\">,<\/span>\n    <span class=\"nx\">update<\/span><span class=\"p\">:<\/span> <span class=\"nx\">FeatureUpdate<\/span><span class=\"p\">,<\/span>\n    <span class=\"nx\">context<\/span><span class=\"p\">:<\/span> <span class=\"nx\">SecurityContext<\/span>\n  <span class=\"p\">):<\/span> <span class=\"nb\">Promise<\/span><span class=\"o\">&lt;<\/span><span class=\"k\">void<\/span><span class=\"o\">&gt;<\/span> <span class=\"p\">{<\/span>\n    <span class=\"c1\">\/\/ \ud83d\udd12 Security first!<\/span>\n    <span class=\"k\">await<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nf\">verifyAccess<\/span><span class=\"p\">(<\/span><span class=\"nx\">feature<\/span><span class=\"p\">,<\/span> <span class=\"nx\">context<\/span><span class=\"p\">);<\/span>\n    <span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nf\">isHighRiskChange<\/span><span class=\"p\">(<\/span><span class=\"nx\">update<\/span><span class=\"p\">))<\/span> <span class=\"p\">{<\/span>\n      <span class=\"c1\">\/\/ \ud83e\udd14 Should this change really go straight to production?<\/span>\n      <span class=\"k\">await<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nf\">requestApproval<\/span><span class=\"p\">(<\/span><span class=\"nx\">feature<\/span><span class=\"p\">,<\/span> <span class=\"nx\">update<\/span><span class=\"p\">);<\/span>\n    <span class=\"p\">}<\/span>\n    <span class=\"k\">await<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">store<\/span><span class=\"p\">.<\/span><span class=\"nf\">transaction<\/span><span class=\"p\">(<\/span><span class=\"k\">async <\/span><span class=\"p\">(<\/span><span class=\"nx\">tx<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n      <span class=\"c1\">\/\/ \ud83d\udcdd Always leave a paper trail<\/span>\n      <span class=\"k\">await<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">auditLog<\/span><span class=\"p\">.<\/span><span class=\"nf\">record<\/span><span class=\"p\">(<\/span><span class=\"nx\">feature<\/span><span class=\"p\">,<\/span> <span class=\"nx\">update<\/span><span class=\"p\">,<\/span> <span class=\"nx\">context<\/span><span class=\"p\">);<\/span>\n      <span class=\"k\">await<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">store<\/span><span class=\"p\">.<\/span><span class=\"nf\">update<\/span><span class=\"p\">(<\/span><span class=\"nx\">feature<\/span><span class=\"p\">,<\/span> <span class=\"nx\">update<\/span><span class=\"p\">);<\/span>\n    <span class=\"p\">});<\/span>\n  <span class=\"p\">}<\/span>\n<span class=\"p\">}<\/span>\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>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\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%DB%8C_%D8%AE%D9%88%D8%A7%D9%87%DB%8C%D8%AF_%D8%A8%DB%8C%D8%B4%D8%AA%D8%B1_%D8%A8%D8%AF%D8%A7%D9%86%DB%8C%D8%AF%D8%9F\"><\/span>\n<p>  \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u0628\u06cc\u0634\u062a\u0631 \u0628\u062f\u0627\u0646\u06cc\u062f\u061f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u06cc\u0646 \u067e\u0633\u062a \u0641\u0642\u0637 \u0633\u0637\u062d \u067e\u0631\u0686\u0645 \u0647\u0627\u06cc \u0648\u06cc\u0698\u06af\u06cc \u0633\u0627\u062e\u062a\u0645\u0627\u0646 \u0631\u0627 \u062f\u0631 \u0645\u0642\u06cc\u0627\u0633 \u062e\u0631\u0627\u0634\u06cc\u062f\u0647 \u0627\u0633\u062a. \u062f\u0631 \u0645\u0642\u0627\u0644\u0647 \u06a9\u0627\u0645\u0644 \u060c \u0645\u0646 \u0639\u0645\u06cc\u0642 \u062a\u0631 \u0628\u0647:<\/p>\n<ul>\n<li>\u0633\u0627\u062e\u062a \u0645\u0639\u0645\u0627\u0631\u06cc \u0647\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u0633\u0627\u0632\u06cc \u0686\u0646\u062f \u0633\u0637\u062d\u06cc \u06a9\u0647 \u062f\u0631 \u0648\u0627\u0642\u0639 \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u0646\u062f<\/li>\n<li>\u0627\u062c\u0631\u0627\u06cc \u0642\u0637\u0639 \u06a9\u0646\u0646\u062f\u0647 \u0645\u062f\u0627\u0631 \u0648 \u062a\u062e\u0631\u06cc\u0628 \u0628\u0631\u0627\u0632\u0646\u062f\u0647<\/li>\n<li>\u0645\u062f\u06cc\u0631\u06cc\u062a \u0648\u0627\u0628\u0633\u062a\u06af\u06cc \u0647\u0627\u06cc \u067e\u0631\u0686\u0645 \u0648\u06cc\u0698\u06af\u06cc \u0628\u0647 \u0637\u0648\u0631 \u0645\u0624\u062b\u0631<\/li>\n<li>\u0627\u0633\u062a\u0631\u0627\u062a\u0698\u06cc \u0647\u0627\u06cc \u0646\u0638\u0627\u0631\u062a \u0648 \u062a\u062d\u0644\u06cc\u0644\u06cc \u062f\u0631 \u062f\u0646\u06cc\u0627\u06cc \u0648\u0627\u0642\u0639\u06cc<\/li>\n<li>\u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u062d\u0627\u0644\u062a\u0647\u0627\u06cc \u0634\u06a9\u0633\u062a \u0628\u0627 \u0644\u0637\u0641<\/li>\n<\/ul>\n<p>\u0645\u0642\u0627\u0644\u0647 \u0628\u062e\u0634\u06cc \u0627\u0632 \u06cc\u06a9 \u0633\u0631\u06cc \u0628\u0632\u0631\u06af\u062a\u0631 \u0627\u0633\u062a \u06a9\u0647 \u0647\u0645\u0647 \u0686\u06cc\u0632 \u0631\u0627 \u0627\u0632 \u0645\u0641\u0627\u0647\u06cc\u0645 \u0627\u0633\u0627\u0633\u06cc \u06af\u0631\u0641\u062a\u0647 \u062a\u0627 \u0627\u0644\u06af\u0648\u0647\u0627\u06cc \u0627\u062c\u0631\u0627\u06cc \u067e\u06cc\u0634\u0631\u0641\u062a\u0647 \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u0645\u0642\u0627\u0644\u0647 \u06a9\u0627\u0645\u0644 \u0631\u0627 \u0628\u062e\u0648\u0627\u0646\u06cc\u062f<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0628\u062e\u0634\u06cc \u0627\u0632 \u0633\u0631\u06cc\u0627\u0644 \u0647\u0627\u06cc \u0645\u0646 \u062f\u0631 \u0645\u0648\u0631\u062f \u067e\u0631\u0686\u0645 \u0647\u0627\u06cc \u0648\u06cc\u0698\u06af\u06cc \u0627\u0633\u062a. \u0645\u0642\u0627\u0644\u0647 \u0648 \u0633\u0631\u06cc\u0627\u0644 \u06a9\u0627\u0645\u0644 \u0631\u0627 \u062f\u0631 \u0648\u0628\u0644\u0627\u06af \u0645\u0646 \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u062f. \u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u062a\u06cc\u0645 \u0647\u0627 \u0628\u0631\u0627\u06cc \u0627\u0648\u0644\u06cc\u0646 \u0628\u0627\u0631 \u067e\u0631\u0686\u0645 \u0647\u0627 \u0631\u0627 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0645\u06cc \u06a9\u0646\u0646\u062f \u060c \u0627\u063a\u0644\u0628 \u0628\u0627 \u06cc\u06a9 \u062f\u06cc\u062f \u0633\u0627\u062f\u0647 \u0634\u0631\u0648\u0639 \u0645\u06cc \u0634\u0648\u0646\u062f: &#8220;\u0645\u0627 \u0641\u0642\u0637 \u0686\u0646\u062f \u0636\u0627\u0645\u0646 \u0627\u0636\u0627\u0641\u0647 \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f \u062a\u0627 \u0627\u0633\u062a\u0642\u0631\u0627\u0631 &hellip;<\/p>\n","protected":false},"author":2,"featured_media":96440,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[339],"tags":[],"class_list":["post-96439","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dev"],"_links":{"self":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/96439","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/comments?post=96439"}],"version-history":[{"count":0,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/96439\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media\/96440"}],"wp:attachment":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media?parent=96439"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/categories?post=96439"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/tags?post=96439"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}