{"id":93258,"date":"2025-01-16T20:02:51","date_gmt":"2025-01-16T16:32:51","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/%da%86%da%af%d9%88%d9%86%d9%87-100-%d9%be%d9%88%d8%b4%d8%b4-%da%a9%d8%af-%d8%af%d8%b1%db%8c%d8%a7%d9%81%d8%aa-%da%a9%d9%86%db%8c%d9%85%d8%9f-%e2%9c%85\/"},"modified":"2025-01-16T20:02:51","modified_gmt":"2025-01-16T16:32:51","slug":"%da%86%da%af%d9%88%d9%86%d9%87-100-%d9%be%d9%88%d8%b4%d8%b4-%da%a9%d8%af-%d8%af%d8%b1%db%8c%d8%a7%d9%81%d8%aa-%da%a9%d9%86%db%8c%d9%85%d8%9f-%e2%9c%85","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/%da%86%da%af%d9%88%d9%86%d9%87-100-%d9%be%d9%88%d8%b4%d8%b4-%da%a9%d8%af-%d8%af%d8%b1%db%8c%d8%a7%d9%81%d8%aa-%da%a9%d9%86%db%8c%d9%85%d8%9f-%e2%9c%85\/","title":{"rendered":"\u0686\u06af\u0648\u0646\u0647 100% \u067e\u0648\u0634\u0634 \u06a9\u062f \u062f\u0631\u06cc\u0627\u0641\u062a \u06a9\u0646\u06cc\u0645\u061f \u2705"},"content":{"rendered":"<div data-article-id=\"2214995\" id=\"article-body\">\n<p>\u0633\u0644\u0627\u0645 \u0628\u0647 \u0647\u0645\u0647 \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0645\u0646 \u062f\u0631 \u0645\u0648\u0631\u062f \u0686\u06af\u0648\u0646\u06af\u06cc \u067e\u0648\u0634\u0634 100\u066a \u06a9\u062f \u0628\u0631\u0627\u06cc \u067e\u0631\u0648\u0698\u0647 \u062e\u0648\u062f \u0635\u062d\u0628\u062a \u062e\u0648\u0627\u0647\u0645 \u06a9\u0631\u062f. \u062a\u06a9\u0646\u06cc\u06a9 \u0647\u0627\u06cc \u062a\u0648\u0636\u06cc\u062d \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0628\u0647 \u0634\u0645\u0627 \u0627\u06cc\u0646 \u0627\u0645\u06a9\u0627\u0646 \u0631\u0627 \u0645\u06cc \u062f\u0647\u062f \u06a9\u0647 \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0631\u0627 \u062f\u0631 \u0633\u0631\u06cc\u0639 \u062a\u0631\u06cc\u0646 \u0632\u0645\u0627\u0646 \u0645\u0645\u06a9\u0646 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f. \u062e\u0648\u0628\u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0634\u0631\u0648\u0639 \u06a9\u0646\u06cc\u0645!<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fi88ispjhsgn387chcluc.gif\" alt=\"\u0628\u0631\u0648\u06cc\u0645\" loading=\"lazy\" width=\"200\" height=\"200\" data-animated=\"true\" title=\"\"><\/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 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/nabfollower.com\/blog\/%da%86%da%af%d9%88%d9%86%d9%87-100-%d9%be%d9%88%d8%b4%d8%b4-%da%a9%d8%af-%d8%af%d8%b1%db%8c%d8%a7%d9%81%d8%aa-%da%a9%d9%86%db%8c%d9%85%d8%9f-%e2%9c%85\/#%D8%A2%D9%85%D8%A7%D8%AF%D9%87_%D8%B3%D8%A7%D8%B2%DB%8C\" >\u0622\u0645\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nabfollower.com\/blog\/%da%86%da%af%d9%88%d9%86%d9%87-100-%d9%be%d9%88%d8%b4%d8%b4-%da%a9%d8%af-%d8%af%d8%b1%db%8c%d8%a7%d9%81%d8%aa-%da%a9%d9%86%db%8c%d9%85%d8%9f-%e2%9c%85\/#%D8%AA%D9%85%D8%B1%DB%8C%D9%86_%DA%A9%D9%86%DB%8C%D8%AF\" >\u062a\u0645\u0631\u06cc\u0646 \u06a9\u0646\u06cc\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nabfollower.com\/blog\/%da%86%da%af%d9%88%d9%86%d9%87-100-%d9%be%d9%88%d8%b4%d8%b4-%da%a9%d8%af-%d8%af%d8%b1%db%8c%d8%a7%d9%81%d8%aa-%da%a9%d9%86%db%8c%d9%85%d8%9f-%e2%9c%85\/#%D8%A7%D8%AF%D8%BA%D8%A7%D9%85_%D8%A8%D8%A7_Codecov\" >\u0627\u062f\u063a\u0627\u0645 \u0628\u0627 Codecov<\/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\/%da%86%da%af%d9%88%d9%86%d9%87-100-%d9%be%d9%88%d8%b4%d8%b4-%da%a9%d8%af-%d8%af%d8%b1%db%8c%d8%a7%d9%81%d8%aa-%da%a9%d9%86%db%8c%d9%85%d8%9f-%e2%9c%85\/#%D9%86%D8%AA%DB%8C%D8%AC%D9%87_%DA%AF%DB%8C%D8%B1%DB%8C\" >\u0646\u062a\u06cc\u062c\u0647 \u06af\u06cc\u0631\u06cc<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"%D8%A2%D9%85%D8%A7%D8%AF%D9%87_%D8%B3%D8%A7%D8%B2%DB%8C\"><\/span>\n<p>  \u0622\u0645\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0628\u0631\u0627\u06cc \u0627\u06cc\u0646\u06a9\u0647 100% \u067e\u0648\u0634\u0634 \u062f\u0627\u062f\u0647 \u0634\u0648\u062f\u060c \u0648\u0627\u0636\u062d \u0627\u0633\u062a \u06a9\u0647 \u0628\u0627\u06cc\u062f \u0622\u0645\u0627\u062f\u0647 \u0634\u0648\u06cc\u062f. \u0642\u0628\u0644 \u0627\u0632 \u0647\u0631 \u0686\u06cc\u0632 \u0644\u0627\u0632\u0645 \u0627\u0633\u062a \u0627\u062c\u0632\u0627\u06cc \u0632\u06cc\u0631 \u0634\u0646\u0627\u0633\u0627\u06cc\u06cc \u0634\u0648\u0646\u062f \u06a9\u0647 \u062f\u0631 \u0635\u0648\u0631\u062a \u0622\u0645\u0627\u062f\u0647 \u0634\u062f\u0646 \u0641\u0648\u0631\u0627\u064b \u0627\u06cc\u0646 \u0641\u0631\u0622\u06cc\u0646\u062f \u0631\u0627 \u0633\u0631\u0639\u062a \u0645\u06cc \u0628\u062e\u0634\u062f:<\/p>\n<ol>\n<li>\n<p><strong>\u0686\u06cc\u0632\u06cc \u06a9\u0647 \u0645\u0627 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0645\u06cc \u06a9\u0646\u06cc\u0645<\/strong>: \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0627\u0631\u0632\u0634 \u062a\u0635\u0645\u06cc\u0645 \u06af\u06cc\u0631\u06cc \u062f\u0631 \u0645\u0648\u0631\u062f \u06a9\u062f\u06cc \u0631\u0627 \u062f\u0627\u0631\u062f \u06a9\u0647 \u062f\u0631 \u062d\u0627\u0644 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0622\u0646 \u0647\u0633\u062a\u06cc\u0645. \u0627\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0648\u0627\u062d\u062f \u06cc\u0627 \u06cc\u06a9 \u0645\u0627\u0698\u0648\u0644 \u062c\u062f\u0627\u06af\u0627\u0646\u0647 \u0628\u0627 \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u06cc \u0627\u0632 \u062a\u0648\u0627\u0628\u0639\u060c \u062d\u0644\u0642\u0647 \u0647\u0627 \u0648 \u0645\u0648\u0627\u0631\u062f \u0645\u0634\u0627\u0628\u0647 \u0628\u0627\u0634\u062f.<\/p>\n<\/li>\n<li>\n<p><strong>\u0628\u0647 \u06a9\u062f\u0627\u0645 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u0647\u0627\u06cc \u0634\u062e\u0635 \u062b\u0627\u0644\u062b \u0646\u06cc\u0627\u0632 \u062e\u0648\u0627\u0647\u06cc\u0645 \u062f\u0627\u0634\u062a<\/strong>: \u0627\u0645\u0631\u0648\u0632\u0647 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u0647\u0627\u06cc \u0632\u06cc\u0627\u062f\u06cc \u0645\u0627\u0646\u0646\u062f \u0645\u0648\u06a9\u0627 \u0648 \u063a\u06cc\u0631\u0647 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u0646\u062f \u06a9\u0647 \u0628\u0647 \u06a9\u0627\u0631\u0628\u0631\u0627\u0646 \u0627\u0645\u06a9\u0627\u0646 \u062a\u0633\u062a \u06a9\u062f \u0631\u0627 \u0645\u06cc \u062f\u0647\u0646\u062f.<\/p>\n<\/li>\n<li>\n<p><strong>\u0627\u0632 \u0686\u0647 \u0641\u0631\u0645\u062a\u06cc \u0628\u0631\u0627\u06cc \u062a\u0648\u0644\u06cc\u062f \u06af\u0632\u0627\u0631\u0634 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u0645<\/strong>: \u0645\u0639\u0645\u0648\u0644\u0627\u064b \u0628\u0631\u0627\u06cc \u0633\u0631\u0648\u06cc\u0633 \u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f Codecov\u060c \u0628\u0627\u06cc\u062f \u06af\u0632\u0627\u0631\u0634 \u0647\u0627\u06cc\u06cc \u0631\u0627 \u062f\u0631 \u0622\u0646 \u062a\u0648\u0644\u06cc\u062f \u06a9\u0646\u06cc\u0645 <code>lcov<\/code> \u0642\u0627\u0644\u0628<\/p>\n<\/li>\n<\/ol>\n<p>\u0628\u0627 \u062a\u0635\u0645\u06cc\u0645 \u06af\u06cc\u0631\u06cc \u062f\u0631 \u0645\u0648\u0631\u062f \u0627\u06cc\u0646 \u062f\u0631 \u0627\u0628\u062a\u062f\u0627\u060c \u0646\u0648\u0634\u062a\u0646 \u062a\u0633\u062a \u0628\u0631\u0627\u06cc \u0634\u0645\u0627 \u0622\u0633\u0627\u0646 \u062a\u0631 \u0645\u06cc \u0634\u0648\u062f\u060c \u0632\u06cc\u0631\u0627 \u0645\u062a\u0648\u062c\u0647 \u062e\u0648\u0627\u0647\u06cc\u062f \u0634\u062f \u06a9\u0647 \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0686\u0647 \u0648 \u0628\u0631\u0627\u06cc \u0686\u0647 \u0647\u062f\u0641\u06cc \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u06cc\u062f.<\/p>\n<p>\u0627\u06a9\u0646\u0648\u0646 \u0627\u0631\u0632\u0634 \u0622\u0646 \u0631\u0627 \u062f\u0627\u0631\u062f \u06a9\u0647 \u0628\u0647 \u0628\u062e\u0634 \u0639\u0645\u0644\u06cc \u0622\u0646 \u0628\u0631\u0648\u06cc\u0645. \u062f\u0631 \u0622\u0646\u060c \u0645\u0646 \u0628\u0647 \u0634\u0645\u0627 \u0645\u062b\u0627\u0644\u06cc \u0645\u06cc\u200c\u0632\u0646\u0645 \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0622\u0632\u0645\u0627\u06cc\u0634\u200c\u0647\u0627 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0627\u062f\u0645\u060c \u0686\u06af\u0648\u0646\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0647 \u0627\u06cc\u0646 \u0647\u062f\u0641 \u062f\u0633\u062a \u067e\u06cc\u062f\u0627 \u06a9\u0646\u06cc\u062f\u060c \u0648 \u0628\u0647 \u0637\u0648\u0631 \u06a9\u0644\u06cc \u0686\u0647 \u0646\u06a9\u0627\u062a\u06cc \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u062f\u0631 \u062f\u0633\u062a\u0631\u0633 \u0627\u0633\u062a.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D8%AA%D9%85%D8%B1%DB%8C%D9%86_%DA%A9%D9%86%DB%8C%D8%AF\"><\/span>\n<p>  \u062a\u0645\u0631\u06cc\u0646 \u06a9\u0646\u06cc\u062f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0648 \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u0627\u0648\u0644 \u0627\u0632 \u0647\u0645\u0647\u060c \u0628\u0627\u06cc\u062f \u0641\u0627\u06cc\u0644\u06cc \u0631\u0627 \u06a9\u0647 \u062f\u0627\u0634\u062a\u0645 \u0628\u0627 \u067e\u0633\u0648\u0646\u062f typescript \u062a\u0633\u062a \u06a9\u0646\u0645. \u0641\u0627\u06cc\u0644 \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0642\u0627\u0628\u0644 \u0645\u0634\u0627\u0647\u062f\u0647 \u0627\u0633\u062a:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fru4hap2oj7nku9l6g58r.png\" alt=\"\u0641\u0627\u06cc\u0644 \u062a\u0633\u062a \u0634\u062f\u0647\" loading=\"lazy\" width=\"800\" height=\"392\" title=\"\"><\/p>\n<p>\u062f\u0631 \u0645\u0631\u062d\u0644\u0647 \u0628\u0639\u062f\u060c \u0628\u0631\u0627\u06cc \u062a\u0633\u062a \u0627\u06cc\u0646 \u0645\u0648\u0631\u062f\u060c \u06cc\u06a9 \u067e\u0648\u0634\u0647 \u062f\u0631 \u0633\u0627\u062e\u062a\u0627\u0631 \u0631\u06cc\u0634\u0647 \u067e\u0631\u0648\u0698\u0647 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u0645. \u0646\u0627\u0645 \u062f\u0627\u0631\u062f <code>test<\/code>. \u062f\u0631 \u0622\u0646\u062c\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0633\u067e\u0644\u06cc\u062a \u0647\u0627\u06cc \u062e\u0627\u0635\u06cc \u0628\u062f\u0647\u06cc\u062f\u060c \u0645\u0627\u0646\u0646\u062f <code>.test.ts<\/code>. \u0627\u06cc\u0646 \u0647\u0645\u0627\u0646 \u0641\u0627\u06cc\u0644 \u062a\u0627\u06cc\u067e \u0627\u0633\u06a9\u0631\u06cc\u067e \u0627\u0633\u062a \u0627\u0645\u0627 \u0628\u0627 \u0627\u06cc\u0646 \u062a\u0641\u0627\u0648\u062a \u06a9\u0647 \u0641\u0642\u0637 \u0628\u0631\u0627\u06cc \u062a\u0633\u062a \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a. \u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a \u062a\u0633\u062a \u0631\u0627 \u0627\u0636\u0627\u0641\u0647 \u0646\u0645\u06cc \u06a9\u0646\u0646\u062f\u060c \u06cc\u0627 \u0645\u0634\u062e\u0635\u0627\u062a \u0631\u0627 \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc \u06a9\u0646\u0646\u062f\u060c \u0627\u0645\u0627 \u0628\u0647 \u0647\u0631 \u062d\u0627\u0644 \u062a\u0648\u0635\u06cc\u0647 \u0645\u06cc \u06a9\u0646\u0645 \u0641\u0627\u06cc\u0644 \u0647\u0627\u06cc\u06cc \u0628\u0627 \u0627\u06cc\u0646 \u067e\u0633\u0648\u0646\u062f \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fvgq0arnarfn45y167xyp.png\" alt=\"\u0641\u0627\u06cc\u0644 \u062a\u0633\u062a\" loading=\"lazy\" width=\"800\" height=\"381\" title=\"\"><\/p>\n<p>\u0627\u06a9\u0646\u0648\u0646 \u0628\u0627\u06cc\u062f \u0646\u062d\u0648\u0647 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0631\u0627 \u0628\u0647 \u0637\u0648\u0631 \u06a9\u0644\u06cc \u062f\u0631\u06cc\u0627\u0628\u06cc\u0645. \u0628\u0631\u0627\u06cc \u0634\u0631\u0648\u0639\u060c \u0645\u0627 \u0627\u0632 Mocha\u060c Sinon \u0648 \u0628\u0631\u0627\u06cc \u062a\u0648\u0644\u06cc\u062f \u06af\u0632\u0627\u0631\u0634 \u0647\u0627\u06cc C8 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>  \"devDependencies\": {\n    \"@types\/mocha\": \"^10.0.9\",\n    \"@types\/sinon\": \"^17.0.3\",\n    \"c8\": \"^10.1.2\",\n    \"mocha\": \"^10.8.2\",\n    \"sinon\": \"^19.0.2\"\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 \u062d\u0627\u0644 \u062d\u0627\u0636\u0631\u060c \u0645\u0627 \u0628\u0627\u06cc\u062f \u0627\u06cc\u0646 \u0628\u0633\u062a\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0647 \u0647\u0645 \u0645\u062a\u0635\u0644 \u06a9\u0646\u06cc\u0645\u060c \u0633\u067e\u0633\u060c \u0628\u0627 \u067e\u06cc\u0634\u0631\u0641\u062a \u062f\u0631 \u0645\u0642\u0627\u0644\u0647\u060c \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u0647\u0627\u06cc \u0628\u06cc\u0634\u062a\u0631\u06cc \u0627\u0636\u0627\u0641\u0647 \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f.<\/p>\n<p>\u0627\u06a9\u0646\u0648\u0646 \u0628\u0627\u06cc\u062f \u062f\u0633\u062a\u0648\u0631\u0627\u062a \u0645\u0646\u0627\u0633\u0628\u06cc \u0631\u0627 \u0628\u0646\u0648\u06cc\u0633\u06cc\u0645 \u06a9\u0647 \u0622\u0632\u0645\u0627\u06cc\u0634\u0627\u062a \u0645\u0627 \u0631\u0627 \u0634\u0631\u0648\u0639 \u06a9\u0631\u062f\u0647 \u0648 \u06af\u0632\u0627\u0631\u0634\u06cc \u0631\u0627 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f. \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0644\u06cc\u0633\u062a\u06cc \u0627\u0632 \u0647\u0645\u0647 \u0622\u0646\u0647\u0627 \u0622\u0645\u062f\u0647 \u0627\u0633\u062a:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>  \"scripts\": {\n    \"test\": \"mocha --require ts-node\/esm --experimental-specifier-resolution=node\",\n    \"test:watch\": \"mocha --watch --require ts-node\/esm --experimental-specifier-resolution=node\",\n    \"coverage\": \"c8 --reporter=lcov npm run test\",\n    \"coverage:default\": \"c8 npm run test\"\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>\u06cc\u06a9 \u062f\u0633\u062a\u0648\u0631 \u0641\u0648\u0642 \u0627\u0644\u0639\u0627\u062f\u0647 \u0645\u0647\u0645 \u0628\u0631\u0627\u06cc \u062a\u0633\u062a \u0647\u0627 \u0627\u0633\u062a <code>test:watch<\/code>. \u0648\u0642\u062a\u06cc \u06a9\u062f \u062e\u0648\u062f \u0631\u0627 \u062a\u0633\u062a \u0645\u06cc \u06a9\u0646\u06cc\u062f\u060c \u0645\u0637\u0645\u0626\u0646 \u0634\u0648\u06cc\u062f \u06a9\u0647 \u0627\u0632 \u0627\u06cc\u0646 \u062f\u0633\u062a\u0648\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u062f\u060c \u0632\u06cc\u0631\u0627 \u062f\u0631 \u0635\u0648\u0631\u062a \u0639\u062f\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646\u060c \u0647\u0631 \u0628\u0627\u0631 \u0628\u0627\u06cc\u062f \u062a\u0633\u062a \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u062f\u0633\u062a\u06cc \u0645\u062c\u062f\u062f\u0627\u064b \u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc \u06a9\u0646\u06cc\u062f\u060c \u06a9\u0647 \u0628\u0647 \u0633\u0627\u062f\u06af\u06cc \u0634\u0645\u0627 \u0631\u0627 \u0627\u0632 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0647\u0631 \u0686\u06cc\u0632\u06cc \u0645\u0646\u0635\u0631\u0641 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fw2xaurxpqxtep5zpj45n.gif\" alt=\"\u062a\u0646\u0638\u06cc\u0645 \u0645\u062c\u062f\u062f\" loading=\"lazy\" width=\"498\" height=\"498\" data-animated=\"true\" title=\"\"><\/p>\n<p>\u067e\u0633 \u0627\u0632 \u0622\u0646\u060c \u0648\u0627\u0636\u062d \u0627\u0633\u062a \u06a9\u0647 \u062a\u0627\u06cc\u067e \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u062f\u0648\u0646 \u0645\u0627\u0698\u0648\u0644 \u0647\u0627\u06cc \u0627\u0636\u0627\u0641\u06cc \u0628\u0647 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0645\u0639\u0645\u0648\u0644\u06cc \u06a9\u0627\u0645\u067e\u0627\u06cc\u0644 \u0646\u062e\u0648\u0627\u0647\u062f \u0634\u062f. \u0628\u0631\u0627\u06cc \u0627\u0646\u062c\u0627\u0645 \u0627\u06cc\u0646 \u06a9\u0627\u0631\u060c \u0628\u0627\u06cc\u062f \u062a\u0639\u062f\u0627\u062f \u0628\u06cc\u0634\u062a\u0631\u06cc \u0627\u0632 \u0627\u06cc\u0646 \u0645\u0627\u0698\u0648\u0644 \u0647\u0627 \u0631\u0627 \u0646\u0635\u0628 \u06a9\u0646\u06cc\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>  \"devDependencies\": {\n    \"ts-node\": \"^10.9.2\",\n    \"typescript\": \"^5.6.3\"\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>\u062d\u0627\u0644\u0627 \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0645\u0633\u062a\u0642\u06cc\u0645 \u0628\u0647 \u062e\u0648\u062f \u0641\u0627\u06cc\u0644 \u0628\u0631\u0648\u06cc\u0645. \u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u0647\u0645\u0647 \u0686\u06cc\u0632 \u0631\u0627 \u062a\u0646\u0638\u06cc\u0645 \u06a9\u0631\u062f\u0647 \u0627\u06cc\u0645 \u0648 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u062a\u0627\u0628\u0639 \u06cc\u06a9 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u0645:<\/p>\n<p><strong>add.test.ts<\/strong><\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight typescript\"><code><span class=\"k\">export<\/span> <span class=\"kd\">function<\/span> <span class=\"nf\">add<\/span><span class=\"p\">(<\/span><span class=\"nx\">a<\/span><span class=\"p\">:<\/span> <span class=\"kr\">number<\/span><span class=\"p\">,<\/span> <span class=\"nx\">b<\/span><span class=\"p\">:<\/span> <span class=\"kr\">number<\/span><span class=\"p\">):<\/span> <span class=\"kr\">number<\/span> <span class=\"p\">{<\/span>\n    <span class=\"k\">return<\/span> <span class=\"nx\">a<\/span> <span class=\"o\">+<\/span> <span class=\"nx\">b<\/span><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>\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\u0631\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0645\u0648\u0627\u0631\u062f \u0632\u06cc\u0631 \u0631\u0627 \u062f\u0631 \u0641\u0627\u06cc\u0644 \u062a\u0633\u062a \u062e\u0648\u062f \u0645\u06cc \u0646\u0648\u06cc\u0633\u06cc\u0645:<\/p>\n<p><strong>add.ts<\/strong><\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight typescript\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">strict<\/span> <span class=\"k\">as<\/span> <span class=\"nx\">assert<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">assert<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">add<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/add<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\n\n<span class=\"nf\">describe<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">Function add()<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n    <span class=\"nf\">it<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">should return 5 when adding 2 and 3<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n        <span class=\"kd\">const<\/span> <span class=\"nx\">result<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">add<\/span><span class=\"p\">(<\/span><span class=\"mi\">2<\/span><span class=\"p\">,<\/span> <span class=\"mi\">3<\/span><span class=\"p\">);<\/span>\n        <span class=\"nx\">assert<\/span><span class=\"p\">.<\/span><span class=\"nf\">equal<\/span><span class=\"p\">(<\/span><span class=\"nx\">result<\/span><span class=\"p\">,<\/span> <span class=\"mi\">5<\/span><span class=\"p\">);<\/span>\n    <span class=\"p\">});<\/span>\n\n    <span class=\"nf\">it<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">should return 0 when adding -1 and 1<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n        <span class=\"kd\">const<\/span> <span class=\"nx\">result<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">add<\/span><span class=\"p\">(<\/span><span class=\"o\">-<\/span><span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"mi\">1<\/span><span class=\"p\">);<\/span>\n        <span class=\"nx\">assert<\/span><span class=\"p\">.<\/span><span class=\"nf\">equal<\/span><span class=\"p\">(<\/span><span class=\"nx\">result<\/span><span class=\"p\">,<\/span> <span class=\"mi\">0<\/span><span class=\"p\">);<\/span>\n    <span class=\"p\">});<\/span>\n\n    <span class=\"nf\">it<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">should return -5 when adding -2 and -3<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n        <span class=\"kd\">const<\/span> <span class=\"nx\">result<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">add<\/span><span class=\"p\">(<\/span><span class=\"o\">-<\/span><span class=\"mi\">2<\/span><span class=\"p\">,<\/span> <span class=\"o\">-<\/span><span class=\"mi\">3<\/span><span class=\"p\">);<\/span>\n        <span class=\"nx\">assert<\/span><span class=\"p\">.<\/span><span class=\"nf\">equal<\/span><span class=\"p\">(<\/span><span class=\"nx\">result<\/span><span class=\"p\">,<\/span> <span class=\"o\">-<\/span><span class=\"mi\">5<\/span><span class=\"p\">);<\/span>\n    <span class=\"p\">});<\/span>\n\n    <span class=\"nf\">it<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">should return 3.5 when adding 1.5 and 2<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n        <span class=\"kd\">const<\/span> <span class=\"nx\">result<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">add<\/span><span class=\"p\">(<\/span><span class=\"mf\">1.5<\/span><span class=\"p\">,<\/span> <span class=\"mi\">2<\/span><span class=\"p\">);<\/span>\n        <span class=\"nx\">assert<\/span><span class=\"p\">.<\/span><span class=\"nf\">equal<\/span><span class=\"p\">(<\/span><span class=\"nx\">result<\/span><span class=\"p\">,<\/span> <span class=\"mf\">3.5<\/span><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>\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>\u0645\u0627 \u0628\u0647 \u0646\u0648\u0639\u06cc \u0646\u062a\u0627\u06cc\u062c \u0645\u0648\u0631\u062f \u0627\u0646\u062a\u0638\u0627\u0631 \u0648 \u0646\u062a\u0627\u06cc\u062c \u062f\u0631\u06cc\u0627\u0641\u062a\u06cc \u0631\u0627 \u0628\u0627 \u0647\u0645 \u0645\u0642\u0627\u06cc\u0633\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645. \u0627\u06af\u0631 \u0622\u0646\u0647\u0627 \u0645\u062a\u0641\u0627\u0648\u062a \u0628\u0627\u0634\u0646\u062f\u060c \u067e\u0633 \u0622\u0632\u0645\u0648\u0646 \u0642\u0628\u0648\u0644 \u0646\u0645\u06cc \u0634\u0648\u062f \u0648 \u0633\u067e\u0633 \u0647\u0645\u0647 \u0686\u06cc\u0632 \u062e\u0631\u0627\u0628 \u0645\u06cc \u0634\u0648\u062f. \u0627\u06cc\u0646 \u06cc\u06a9 \u0634\u0648\u062e\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0627\u06af\u0631 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u062c\u062f\u06cc\u062f \u0633\u0627\u062e\u062a\u0647 \u0627\u06cc\u062f \u0648 \u0633\u067e\u0633 \u0622\u0646 \u0631\u0627 \u06af\u0633\u062a\u0631\u0634 \u062f\u0627\u062f\u0647 \u0627\u06cc\u062f\u060c \u0628\u0627\u06cc\u062f \u0645\u0637\u0645\u0626\u0646 \u0634\u0648\u06cc\u062f \u06a9\u0647 \u062a\u0633\u062a \u0647\u0627\u06cc \u0642\u062f\u06cc\u0645\u06cc \u0642\u0628\u0648\u0644 \u0634\u062f\u0647 \u0627\u0646\u062f\u060c \u0633\u067e\u0633 \u0627\u06cc\u0646 \u0628\u0647 \u0634\u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u0645\u0637\u0645\u0626\u0646 \u0634\u0648\u06cc\u062f \u06a9\u0647 \u06a9\u062f \u0628\u0647 \u062f\u0631\u0633\u062a\u06cc \u0646\u0648\u0634\u062a\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a.<\/p>\n<p>\u0627\u06af\u0631 \u0627\u06cc\u0646 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0631\u0627 \u062f\u0631 \u0641\u0627\u06cc\u0644 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u0645\u060c \u062f\u0631 \u0648\u0627\u0642\u0639\u060c \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0637\u0648\u0631 \u06a9\u0627\u0645\u0644 \u0622\u0632\u0645\u0627\u06cc\u0634 \u06a9\u0631\u062f\u0647 \u0627\u06cc\u0645\u060c \u0628\u0647 \u062a\u0631\u062a\u06cc\u0628\u060c \u06a9\u0644 \u0641\u0627\u06cc\u0644 \u0631\u0627 \u0628\u0627 \u062a\u0633\u062a \u067e\u0648\u0634\u0634 \u062f\u0627\u062f\u0647 \u0627\u06cc\u0645. \u0627\u0645\u0627\u060c \u0627\u0644\u0628\u062a\u0647\u060c \u0627\u06cc\u0646 \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u0633\u0627\u062f\u0647 \u0627\u0633\u062a\u060c \u0627\u0645\u0627 \u0627\u06af\u0631 \u0645\u0627 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u06a9\u0627\u0631 \u0628\u0627 \u0639\u0646\u0627\u0635\u0631 DOM \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u0645\u060c \u0686\u0647\u061f \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u062a\u0642\u0644\u06cc\u062f \u06a9\u0631\u062f\u0646 \u06cc\u06a9 <code>click<\/code> \u0631\u0648\u06cc \u06cc\u06a9 \u0639\u0646\u0635\u0631 \u06cc\u0627 \u0628\u0631\u0627\u06cc \u0628\u0631\u0631\u0633\u06cc \u0648\u062c\u0648\u062f a <code>class<\/code>. \u0628\u0631\u0627\u06cc \u0627\u0646\u062c\u0627\u0645 \u0627\u06cc\u0646 \u06a9\u0627\u0631\u060c \u0628\u0627\u06cc\u062f \u0628\u0633\u062a\u0647 \u0647\u0627\u06cc \u062a\u0648\u0636\u06cc\u062d \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u062f\u0631 \u0632\u06cc\u0631 \u0631\u0627 \u0646\u06cc\u0632 \u0646\u0635\u0628 \u06a9\u0646\u06cc\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>\"devDependencies\": {\n    \"@types\/node\": \"^22.9.0\",\n    \"jsdom\": \"^25.0.1\",\n    \"jsdom-global\": \"^3.0.2\",\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>\u0627\u06cc\u0646 \u062f\u0648 \u0628\u0633\u062a\u0647 \u0628\u0647 \u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u0646\u062f \u062f\u0631 Node.js \u06a9\u0627\u0631 \u06a9\u0646\u06cc\u0645\u060c \u0645\u0627\u0646\u0646\u062f \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0628\u0627 DOM \u0648\u0627\u0642\u0639\u06cc \u06a9\u0647 \u062f\u0631 \u0633\u0627\u06cc\u062a \u0645\u06cc\u200c\u0628\u06cc\u0646\u06cc\u0645 (\u0627\u0644\u0628\u062a\u0647 \u0628\u0627 \u0645\u062d\u062f\u0648\u062f\u06cc\u062a) \u06a9\u0627\u0631 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645. \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0633\u0639\u06cc \u06a9\u0646\u06cc\u0645 \u06a9\u0644\u06cc\u06a9 \u0631\u0648\u06cc \u0639\u0646\u0635\u0631 \u0631\u0627 \u0622\u0632\u0645\u0627\u06cc\u0634 \u06a9\u0646\u06cc\u0645 \u0648 \u0628\u0647 \u0637\u0648\u0631 \u06a9\u0644\u06cc \u0627\u06cc\u0646 \u062f\u0648 \u0645\u0627\u0698\u0648\u0644 \u0631\u0627 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u06a9\u0646\u06cc\u0645:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight typescript\"><code><span class=\"nf\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">jsdom-global<\/span><span class=\"dl\">\"<\/span><span class=\"p\">)();<\/span>\n\n<span class=\"nb\">global<\/span><span class=\"p\">.<\/span><span class=\"nx\">DOMParser<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">window<\/span><span class=\"p\">.<\/span><span class=\"nx\">DOMParser<\/span><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>\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 \u0627\u06cc\u0646\u062c\u0627\u060c \u0645\u0627 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f <code>DOMParser<\/code> \u0628\u0647 \u0637\u0648\u0631\u06cc \u06a9\u0647 \u062a\u0627\u0628\u0639 \u0645\u0627 \u062f\u0631 \u0645\u0627\u0698\u0648\u0644 \u0628\u0647 \u062c\u0627\u06cc undefined \u06a9\u0647 \u062f\u0631 Node.js \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f\u060c \u0622\u0646 \u0631\u0627 \u0627\u0646\u062a\u062e\u0627\u0628 \u06a9\u0646\u062f.<\/p>\n<p>\u062d\u0627\u0644\u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0633\u0639\u06cc \u06a9\u0646\u06cc\u0645 \u06a9\u0644 \u0645\u0648\u0636\u0648\u0639 \u0631\u0627 \u0628\u0627 \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u0639\u06cc\u0646\u06cc \u0622\u0632\u0645\u0627\u06cc\u0634 \u06a9\u0646\u06cc\u0645:<\/p>\n<p><strong>setupClickHandler.ts<\/strong><\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight typescript\"><code><span class=\"k\">export<\/span> <span class=\"kd\">function<\/span> <span class=\"nf\">setupClickHandler<\/span><span class=\"p\">(<\/span><span class=\"nx\">buttonId<\/span><span class=\"p\">:<\/span> <span class=\"kr\">string<\/span><span class=\"p\">,<\/span> <span class=\"nx\">callback<\/span><span class=\"p\">:<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"k\">void<\/span><span class=\"p\">):<\/span> <span class=\"k\">void<\/span> <span class=\"p\">{<\/span>\n    <span class=\"kd\">const<\/span> <span class=\"nx\">button<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">document<\/span><span class=\"p\">.<\/span><span class=\"nf\">getElementById<\/span><span class=\"p\">(<\/span><span class=\"nx\">buttonId<\/span><span class=\"p\">);<\/span>\n    <span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"o\">!<\/span><span class=\"nx\">button<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n        <span class=\"k\">throw<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Error<\/span><span class=\"p\">(<\/span><span class=\"s2\">`Button with id \"<\/span><span class=\"p\">${<\/span><span class=\"nx\">buttonId<\/span><span class=\"p\">}<\/span><span class=\"s2\">\" not found`<\/span><span class=\"p\">);<\/span>\n    <span class=\"p\">}<\/span>\n\n    <span class=\"nx\">button<\/span><span class=\"p\">.<\/span><span class=\"nf\">addEventListener<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">click<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"nx\">callback<\/span><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>\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><strong>setupClickHandler.test.ts<\/strong><\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight typescript\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">strict<\/span> <span class=\"k\">as<\/span> <span class=\"nx\">assert<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">assert<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\n<span class=\"k\">import<\/span> <span class=\"nx\">sinon<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">sinon<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">setupClickHandler<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/domManipulator<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\n<span class=\"k\">import<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">jsdom-global\/register<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\n\n<span class=\"nf\">describe<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">setupClickHandler()<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n    <span class=\"kd\">let<\/span> <span class=\"na\">button<\/span><span class=\"p\">:<\/span> <span class=\"nx\">HTMLElement<\/span><span class=\"p\">;<\/span>\n\n    <span class=\"nf\">beforeEach<\/span><span class=\"p\">(()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n        <span class=\"nb\">document<\/span><span class=\"p\">.<\/span><span class=\"nx\">body<\/span><span class=\"p\">.<\/span><span class=\"nx\">innerHTML<\/span> <span class=\"o\">=<\/span> <span class=\"s2\">`\n            <button id=\"testButton\">Click Me<\/button>\n        `<\/span><span class=\"p\">;<\/span>\n        <span class=\"nx\">button<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">document<\/span><span class=\"p\">.<\/span><span class=\"nf\">getElementById<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">testButton<\/span><span class=\"dl\">'<\/span><span class=\"p\">)<\/span><span class=\"o\">!<\/span><span class=\"p\">;<\/span>\n    <span class=\"p\">});<\/span>\n\n    <span class=\"nf\">afterEach<\/span><span class=\"p\">(()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n        <span class=\"nb\">document<\/span><span class=\"p\">.<\/span><span class=\"nx\">body<\/span><span class=\"p\">.<\/span><span class=\"nx\">innerHTML<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">''<\/span><span class=\"p\">;<\/span>\n    <span class=\"p\">});<\/span>\n\n    <span class=\"nf\">it<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">should attach a click handler to the button<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n        <span class=\"kd\">const<\/span> <span class=\"nx\">callback<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">sinon<\/span><span class=\"p\">.<\/span><span class=\"nf\">spy<\/span><span class=\"p\">();<\/span>\n        <span class=\"nf\">setupClickHandler<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">testButton<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"nx\">callback<\/span><span class=\"p\">);<\/span>\n        <span class=\"nx\">button<\/span><span class=\"p\">.<\/span><span class=\"nf\">click<\/span><span class=\"p\">();<\/span>\n        <span class=\"nx\">assert<\/span><span class=\"p\">.<\/span><span class=\"nf\">equal<\/span><span class=\"p\">(<\/span><span class=\"nx\">callback<\/span><span class=\"p\">.<\/span><span class=\"nx\">calledOnce<\/span><span class=\"p\">,<\/span> <span class=\"kc\">true<\/span><span class=\"p\">);<\/span>\n    <span class=\"p\">});<\/span>\n\n    <span class=\"nf\">it<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">should throw an error if the button is not found<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n        <span class=\"nx\">assert<\/span><span class=\"p\">.<\/span><span class=\"nf\">throws<\/span><span class=\"p\">(()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n            <span class=\"nf\">setupClickHandler<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">nonExistentButton<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{});<\/span>\n        <span class=\"p\">},<\/span> <span class=\"sr\">\/Button with id \"nonExistentButton\" not found\/<\/span><span class=\"p\">);<\/span>\n    <span class=\"p\">});<\/span>\n\n    <span class=\"nf\">it<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">should handle multiple clicks correctly<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n        <span class=\"kd\">const<\/span> <span class=\"nx\">callback<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">sinon<\/span><span class=\"p\">.<\/span><span class=\"nf\">spy<\/span><span class=\"p\">();<\/span>\n        <span class=\"nf\">setupClickHandler<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">testButton<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"nx\">callback<\/span><span class=\"p\">);<\/span>\n        <span class=\"nx\">button<\/span><span class=\"p\">.<\/span><span class=\"nf\">click<\/span><span class=\"p\">();<\/span>\n        <span class=\"nx\">button<\/span><span class=\"p\">.<\/span><span class=\"nf\">click<\/span><span class=\"p\">();<\/span>\n        <span class=\"nx\">assert<\/span><span class=\"p\">.<\/span><span class=\"nf\">equal<\/span><span class=\"p\">(<\/span><span class=\"nx\">callback<\/span><span class=\"p\">.<\/span><span class=\"nx\">callCount<\/span><span class=\"p\">,<\/span> <span class=\"mi\">2<\/span><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>\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>\u0627\u06a9\u0646\u0648\u0646 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0628\u0647 \u0631\u0627\u062d\u062a\u06cc \u0631\u0641\u062a\u0627\u0631 DOM \u0631\u0627 \u0622\u0632\u0645\u0627\u06cc\u0634 \u06a9\u0646\u06cc\u0645. \u0627\u0645\u0627\u060c \u0646\u06cc\u0627\u0632 \u062f\u06cc\u06af\u0631\u06cc \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u062f\u0631 \u0637\u0648\u0644 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0647\u0627 \u062a\u0646\u0638\u06cc\u0645 \u0645\u06cc \u0634\u0648\u062f &#8211; \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0628\u0627 \u062a\u0648\u0627\u0628\u0639 \u0646\u0627\u0647\u0645\u0632\u0645\u0627\u0646 \u0627\u0633\u062a. \u0628\u0644\u0647\u060c \u0627\u06cc\u0646 \u0645\u0648\u0636\u0648\u0639 \u0628\u0632\u0631\u06af \u0627\u0633\u062a\u060c \u0632\u06cc\u0631\u0627 \u062d\u062a\u06cc \u0622\u0632\u0645\u0627\u06cc\u0634 API \u0632\u0645\u0627\u0646 \u0632\u06cc\u0627\u062f\u06cc \u0645\u06cc \u0628\u0631\u062f\u060c \u0627\u0645\u0627 \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0633\u0631\u0648\u0631 \u0631\u0627 \u062a\u0642\u0644\u0628 \u06a9\u0631\u062f\u0647 \u0648 \u0645\u0633\u062e\u0631\u0647 \u06a9\u0646\u06cc\u062f \u0648 \u0622\u0646 \u0631\u0627 \u062a\u0642\u0644\u06cc\u062f \u06a9\u0646\u06cc\u062f. \u0628\u0631\u0627\u06cc \u0627\u0646\u062c\u0627\u0645 \u0627\u06cc\u0646 \u06a9\u0627\u0631\u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0633\u062a\u0647 \u0647\u0627\u06cc \u0632\u06cc\u0631 \u0631\u0627 \u0646\u0635\u0628 \u06a9\u0646\u06cc\u0645:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>\"devDependencies\": {\n    \"nock\": \"^13.5.6\",\n    \"node-fetch\": \"^2.7.0\",\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>Nock \u0628\u0647 \u0634\u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u06cc\u06a9 \u06a9\u067e\u06cc \u0627\u0632 API \u062a\u0647\u06cc\u0647 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u067e\u0627\u0633\u062e \u0647\u0627\u06cc\u06cc \u0631\u0627 \u06a9\u0647 \u0645\u0627 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u0645\u06cc \u06a9\u0646\u06cc\u0645 \u0628\u0647 \u0645\u0627 \u0645\u06cc \u062f\u0647\u062f. \u0628\u0633\u062a\u0647 \u06af\u0631\u0647 \u0648\u0627\u06a9\u0634\u06cc \u0628\u0647 \u0633\u0627\u062f\u06af\u06cc \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u062e\u0648\u0627\u0647\u062f \u0634\u062f <code>fetch<\/code> \u0628\u0627 \u06cc\u06a9\u06cc \u06a9\u0647 \u062f\u0631 \u0645\u0631\u0648\u0631\u06af\u0631 \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0627\u06cc\u0646 \u0628\u0633\u062a\u0647 \u0647\u0627 \u0631\u0627 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u06a9\u0646\u06cc\u0645:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight typescript\"><code><span class=\"k\">import<\/span> <span class=\"nx\">fetch<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">node-fetch<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\n\n<span class=\"nb\">global<\/span><span class=\"p\">.<\/span><span class=\"nx\">fetch<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">fetch<\/span> <span class=\"k\">as<\/span> <span class=\"kr\">any<\/span><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>\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>\u0648 \u0628\u0631\u06cc\u0645 \u0633\u0631 \u0645\u062b\u0627\u0644:<\/p>\n<p><strong>fetchData.ts<\/strong><\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight typescript\"><code><span class=\"k\">import<\/span> <span class=\"nx\">fetch<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">node-fetch<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\n\n<span class=\"k\">export<\/span> <span class=\"k\">async<\/span> <span class=\"kd\">function<\/span> <span class=\"nf\">fetchData<\/span><span class=\"p\">(<\/span><span class=\"nx\">url<\/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=\"kr\">any<\/span><span class=\"o\">&gt;<\/span> <span class=\"p\">{<\/span>\n    <span class=\"kd\">const<\/span> <span class=\"nx\">response<\/span> <span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"nf\">fetch<\/span><span class=\"p\">(<\/span><span class=\"nx\">url<\/span><span class=\"p\">);<\/span>\n    <span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"o\">!<\/span><span class=\"nx\">response<\/span><span class=\"p\">.<\/span><span class=\"nx\">ok<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n        <span class=\"k\">throw<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Error<\/span><span class=\"p\">(<\/span><span class=\"s2\">`HTTP error! status: <\/span><span class=\"p\">${<\/span><span class=\"nx\">response<\/span><span class=\"p\">.<\/span><span class=\"nx\">status<\/span><span class=\"p\">}<\/span><span class=\"s2\">`<\/span><span class=\"p\">);<\/span>\n    <span class=\"p\">}<\/span>\n    <span class=\"k\">return<\/span> <span class=\"nx\">response<\/span><span class=\"p\">.<\/span><span class=\"nf\">json<\/span><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>\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><strong>fetchData.test.ts<\/strong><\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight typescript\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">strict<\/span> <span class=\"k\">as<\/span> <span class=\"nx\">assert<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">assert<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\n<span class=\"k\">import<\/span> <span class=\"nx\">nock<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">nock<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">fetchData<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/fetchData<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\n\n<span class=\"nf\">describe<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">fetchData()<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n    <span class=\"kd\">const<\/span> <span class=\"nx\">baseUrl<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">http:\/\/testapi.com<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\n\n    <span class=\"nf\">beforeEach<\/span><span class=\"p\">(()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n        <span class=\"nx\">nock<\/span><span class=\"p\">.<\/span><span class=\"nf\">cleanAll<\/span><span class=\"p\">();<\/span>\n    <span class=\"p\">});<\/span>\n\n    <span class=\"nf\">it<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">should return data when the response is successful<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"k\">async <\/span><span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n        <span class=\"kd\">const<\/span> <span class=\"nx\">mockData<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span> <span class=\"na\">message<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">Success<\/span><span class=\"dl\">'<\/span> <span class=\"p\">};<\/span>\n\n        <span class=\"nf\">nock<\/span><span class=\"p\">(<\/span><span class=\"nx\">baseUrl<\/span><span class=\"p\">)<\/span>\n            <span class=\"p\">.<\/span><span class=\"nf\">get<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">\/endpoint<\/span><span class=\"dl\">'<\/span><span class=\"p\">)<\/span>\n            <span class=\"p\">.<\/span><span class=\"nf\">reply<\/span><span class=\"p\">(<\/span><span class=\"mi\">200<\/span><span class=\"p\">,<\/span> <span class=\"nx\">mockData<\/span><span class=\"p\">);<\/span>\n\n        <span class=\"kd\">const<\/span> <span class=\"nx\">data<\/span> <span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"nf\">fetchData<\/span><span class=\"p\">(<\/span><span class=\"s2\">`<\/span><span class=\"p\">${<\/span><span class=\"nx\">baseUrl<\/span><span class=\"p\">}<\/span><span class=\"s2\">\/endpoint`<\/span><span class=\"p\">);<\/span>\n        <span class=\"nx\">assert<\/span><span class=\"p\">.<\/span><span class=\"nf\">deepEqual<\/span><span class=\"p\">(<\/span><span class=\"nx\">data<\/span><span class=\"p\">,<\/span> <span class=\"nx\">mockData<\/span><span class=\"p\">);<\/span>\n    <span class=\"p\">});<\/span>\n\n    <span class=\"nf\">it<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">should throw an error when the response is not successful<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"k\">async <\/span><span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n        <span class=\"nf\">nock<\/span><span class=\"p\">(<\/span><span class=\"nx\">baseUrl<\/span><span class=\"p\">)<\/span>\n            <span class=\"p\">.<\/span><span class=\"nf\">get<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">\/endpoint<\/span><span class=\"dl\">'<\/span><span class=\"p\">)<\/span>\n            <span class=\"p\">.<\/span><span class=\"nf\">reply<\/span><span class=\"p\">(<\/span><span class=\"mi\">404<\/span><span class=\"p\">);<\/span>\n\n        <span class=\"k\">await<\/span> <span class=\"nx\">assert<\/span><span class=\"p\">.<\/span><span class=\"nf\">rejects<\/span><span class=\"p\">(<\/span>\n            <span class=\"nf\">fetchData<\/span><span class=\"p\">(<\/span><span class=\"s2\">`<\/span><span class=\"p\">${<\/span><span class=\"nx\">baseUrl<\/span><span class=\"p\">}<\/span><span class=\"s2\">\/endpoint`<\/span><span class=\"p\">),<\/span>\n            <span class=\"sr\">\/HTTP error! status: 404\/<\/span>\n        <span class=\"p\">);<\/span>\n    <span class=\"p\">});<\/span>\n\n    <span class=\"nf\">it<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">should handle network errors<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"k\">async <\/span><span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n        <span class=\"nf\">nock<\/span><span class=\"p\">(<\/span><span class=\"nx\">baseUrl<\/span><span class=\"p\">)<\/span>\n            <span class=\"p\">.<\/span><span class=\"nf\">get<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">\/endpoint<\/span><span class=\"dl\">'<\/span><span class=\"p\">)<\/span>\n            <span class=\"p\">.<\/span><span class=\"nf\">replyWithError<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">Network error<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\n\n        <span class=\"k\">await<\/span> <span class=\"nx\">assert<\/span><span class=\"p\">.<\/span><span class=\"nf\">rejects<\/span><span class=\"p\">(<\/span>\n            <span class=\"nf\">fetchData<\/span><span class=\"p\">(<\/span><span class=\"s2\">`<\/span><span class=\"p\">${<\/span><span class=\"nx\">baseUrl<\/span><span class=\"p\">}<\/span><span class=\"s2\">\/endpoint`<\/span><span class=\"p\">),<\/span>\n            <span class=\"sr\">\/Network error\/<\/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>\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 \u0627\u06cc\u0646\u062c\u0627\u060c \u0645\u0627 \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u0639\u0645\u0644\u06a9\u0631\u062f \u0645\u0627 \u0686\u06af\u0648\u0646\u0647 \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0631\u0627 \u0627\u0632 API \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0645\u06cc \u06a9\u0646\u06cc\u0645. \u0627\u06af\u0631 \u06a9\u062f HTTP 200 \u0631\u0627 \u062f\u0631\u06cc\u0627\u0641\u062a \u06a9\u0646\u06cc\u0645\u060c \u06cc\u06a9 \u0686\u06cc\u0632 \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u06a9\u0646\u06cc\u0645\u060c \u0627\u06af\u0631 \u062e\u0637\u0627\u06cc\u06cc \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f\u060c \u067e\u0633 \u0627\u0632 \u0622\u0646 \u0686\u06cc\u0632 \u062f\u06cc\u06af\u0631\u06cc \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u06a9\u0646\u06cc\u0645. \u0628\u0647 \u0637\u0648\u0631 \u06a9\u0644\u06cc\u060c \u0647\u0646\u06af\u0627\u0645 \u062a\u0633\u062a\u060c \u0628\u0647\u062a\u0631 \u0627\u0633\u062a \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0647\u0627 \u0631\u0627 \u0628\u0647 \u0633\u0631\u0648\u0631\u0647\u0627\u06cc \u0648\u0627\u0642\u0639\u06cc \u0627\u0631\u0633\u0627\u0644 \u0646\u06a9\u0646\u06cc\u062f\u060c \u0632\u06cc\u0631\u0627 \u0627\u06cc\u0646 \u0646\u0627\u067e\u0627\u06cc\u062f\u0627\u0631 \u0648 \u063a\u06cc\u0631\u0642\u0627\u0628\u0644 \u067e\u06cc\u0634 \u0628\u06cc\u0646\u06cc \u0627\u0633\u062a\u060c \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0628\u0647\u062a\u0631 \u0627\u0633\u062a \u0628\u0631\u0627\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u0627\u0646\u0628\u0648\u0647\u06cc \u0627\u0632 \u062e\u0637\u0627\u0647\u0627\u060c \u062e\u0648\u062f \u0631\u0627 \u062a\u0646\u0638\u06cc\u0645 \u06a9\u0646\u06cc\u062f. \u0627\u06cc\u0646 \u0628\u0647 \u0633\u0627\u062f\u06af\u06cc \u0633\u0631\u06cc\u0639\u062a\u0631 \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f.<\/p>\n<p>\u0647\u0645\u0686\u0646\u06cc\u0646\u060c \u0645\u062a\u0648\u062c\u0647 \u0634\u062f\u0645 \u06a9\u0647 \u062e\u0648\u062f \u062a\u0633\u062a \u0647\u0627 \u062a\u06a9\u0631\u0627\u0631 \u0645\u06cc \u0634\u0648\u0646\u062f\u060c \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u06a9\u062b\u0631 \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0647 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u062c\u062f\u0627\u06af\u0627\u0646\u0647 \u0645\u0646\u062a\u0642\u0644 \u06a9\u0646\u06cc\u062f \u0648 \u0622\u0646 \u0631\u0627 \u062f\u0631 \u06a9\u062f \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u06a9\u0646\u06cc\u062f:<\/p>\n<p><strong>functions.ts<\/strong><\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight typescript\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">e<\/span> <span class=\"o\">=<\/span> <span class=\"p\">(<\/span><span class=\"nx\">text<\/span><span class=\"p\">:<\/span> <span class=\"kr\">string<\/span><span class=\"p\">,<\/span> <span class=\"nx\">block<\/span><span class=\"p\">:<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">unknown<\/span><span class=\"p\">,<\/span> <span class=\"nx\">message<\/span><span class=\"p\">:<\/span> <span class=\"kr\">string<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n  <span class=\"nf\">it<\/span><span class=\"p\">(<\/span><span class=\"nx\">text<\/span><span class=\"p\">,<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n    <span class=\"nx\">assert<\/span><span class=\"p\">.<\/span><span class=\"nf\">throws<\/span><span class=\"p\">(<\/span><span class=\"nx\">block<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span>\n      <span class=\"nx\">message<\/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>\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><strong>compile.test.ts<\/strong><\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight typescript\"><code><span class=\"nf\">describe<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">compile function<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n  <span class=\"nf\">e<\/span><span class=\"p\">(<\/span>\n    <span class=\"dl\">\"<\/span><span class=\"s2\">throws an error if the TEMPLATE is not a stringthrows an error if the TEMPLATE is not a string<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span>\n    <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nf\">compile<\/span><span class=\"p\">(<\/span><span class=\"mi\">123<\/span> <span class=\"k\">as<\/span> <span class=\"kr\">any<\/span><span class=\"p\">),<\/span>\n    <span class=\"s2\">`<\/span><span class=\"p\">${<\/span><span class=\"nx\">COMPILE_ERROR<\/span><span class=\"p\">}<\/span><span class=\"s2\">: Template was not found or the type of the passed value is not string`<\/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>\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\u0647 \u0627\u06cc\u0646 \u062a\u0631\u062a\u06cc\u0628 \u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u06a9\u062f \u0628\u0633\u06cc\u0627\u0631 \u06a9\u0645\u062a\u0631\u06cc \u0628\u0646\u0648\u06cc\u0633\u06cc\u0645.<\/p>\n<p>\u0627\u06a9\u0646\u0648\u0646 \u06a9\u0647 \u062a\u0633\u062a \u0647\u0627 \u0631\u0627 \u0622\u0645\u0627\u062f\u0647 \u06a9\u0631\u062f\u0647 \u0627\u06cc\u0645\u060c \u0628\u0627\u06cc\u062f \u062a\u062e\u0644\u06cc\u0647 \u0622\u0646\u0647\u0627 \u0631\u0627 \u062a\u0646\u0638\u06cc\u0645 \u06a9\u0646\u06cc\u0645. \u0645\u0627 \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0631\u0627 \u0627\u0632 \u0637\u0631\u06cc\u0642 Codecov \u0627\u0646\u062c\u0627\u0645 \u062e\u0648\u0627\u0647\u06cc\u0645 \u062f\u0627\u062f<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D8%A7%D8%AF%D8%BA%D8%A7%D9%85_%D8%A8%D8%A7_Codecov\"><\/span>\n<p>  \u0627\u062f\u063a\u0627\u0645 \u0628\u0627 Codecov<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u0648\u0644 \u0627\u0632 \u0647\u0645\u0647\u060c \u0645\u0627 \u0628\u0627\u06cc\u062f \u06cc\u06a9 \u0645\u062e\u0632\u0646 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u0645. \u0634\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u062e\u062f\u0645\u0627\u062a \u0645\u062e\u062a\u0644\u0641\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f\u060c \u0627\u0645\u0627 \u0645\u0646 \u0628\u0647 \u0634\u0645\u0627 \u062f\u0631 GitHub \u0646\u0634\u0627\u0646 \u062e\u0648\u0627\u0647\u0645 \u062f\u0627\u062f. \u0627\u0628\u062a\u062f\u0627 \u0628\u0627\u06cc\u062f \u0628\u0647 \u0633\u0627\u06cc\u062a \u0628\u0631\u0648\u06cc\u062f \u0648 \u0628\u0647 \u0631\u0648\u0634\u06cc \u0645\u0646\u0627\u0633\u0628 \u0628\u0631\u0627\u06cc \u062e\u0648\u062f \u062b\u0628\u062a \u0646\u0627\u0645 \u06a9\u0646\u06cc\u062f. \u067e\u0633 \u0627\u0632 \u0622\u0646\u060c \u06cc\u06a9 \u062d\u0633\u0627\u0628 \u0634\u062e\u0635\u06cc \u0645\u0627\u0646\u0646\u062f \u0632\u06cc\u0631 \u0645\u0634\u0627\u0647\u062f\u0647 \u062e\u0648\u0627\u0647\u06cc\u062f \u06a9\u0631\u062f:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F2lqaafhw1l6v6xka3cvt.png\" alt=\"\u06a9\u0627\u0628\u06cc\u0646\u062a \u0634\u062e\u0635\u06cc\" loading=\"lazy\" width=\"800\" height=\"381\" title=\"\"><\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627\u060c \u0631\u0648\u06cc \u062f\u06a9\u0645\u0647 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u06a9\u0644\u06cc\u06a9 \u06a9\u0646\u06cc\u062f \u0648 \u0645\u0631\u0627\u062d\u0644 \u062a\u0648\u0636\u06cc\u062d \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u062f\u0631 \u0631\u0627\u0647\u0646\u0645\u0627\u06cc \u0622\u0646\u062c\u0627 \u0631\u0627 \u062f\u0646\u0628\u0627\u0644 \u06a9\u0646\u06cc\u062f. \u0645\u0646 \u0622\u0646 \u0631\u0627 \u0627\u0632 \u0637\u0631\u06cc\u0642 Github Actions \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u06a9\u0631\u062f\u0645\u060c \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0628\u0647 \u0637\u0648\u0631 \u062e\u0648\u062f\u06a9\u0627\u0631 \u06af\u0632\u0627\u0631\u0634 \u0647\u0627 \u0631\u0627 \u062f\u0631 \u0622\u0646\u062c\u0627 \u0622\u067e\u0644\u0648\u062f \u0645\u06cc \u06a9\u0646\u062f. \u0627\u0642\u062f\u0627\u0645\u0627\u062a Github \u0686\u06af\u0648\u0646\u0647 \u0628\u0647 \u0646\u0638\u0631 \u0645\u06cc \u0631\u0633\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight yaml\"><code><span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">CI<\/span>\n\n<span class=\"na\">on<\/span><span class=\"pi\">:<\/span>\n  <span class=\"na\">push<\/span><span class=\"pi\">:<\/span>\n    <span class=\"na\">branches<\/span><span class=\"pi\">:<\/span> <span class=\"pi\">[<\/span><span class=\"s2\">\"<\/span><span class=\"s\">main\"<\/span><span class=\"pi\">]<\/span>\n  <span class=\"na\">pull_request<\/span><span class=\"pi\">:<\/span>\n    <span class=\"na\">branches<\/span><span class=\"pi\">:<\/span> <span class=\"pi\">[<\/span><span class=\"s2\">\"<\/span><span class=\"s\">main\"<\/span><span class=\"pi\">]<\/span>\n<span class=\"na\">jobs<\/span><span class=\"pi\">:<\/span>\n  <span class=\"na\">test<\/span><span class=\"pi\">:<\/span>\n    <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Coverage<\/span>\n    <span class=\"na\">runs-on<\/span><span class=\"pi\">:<\/span> <span class=\"s\">ubuntu-latest<\/span>\n\n    <span class=\"na\">steps<\/span><span class=\"pi\">:<\/span>\n      <span class=\"pi\">-<\/span> <span class=\"na\">uses<\/span><span class=\"pi\">:<\/span> <span class=\"s\">actions\/checkout@v3<\/span>\n\n      <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">npm install<\/span>\n        <span class=\"na\">run<\/span><span class=\"pi\">:<\/span> <span class=\"s\">npm install<\/span>\n\n      <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">npm run coverage<\/span>\n        <span class=\"na\">run<\/span><span class=\"pi\">:<\/span> <span class=\"s\">npm run coverage<\/span>\n\n      <span class=\"pi\">-<\/span> <span class=\"na\">uses<\/span><span class=\"pi\">:<\/span> <span class=\"s\">codecov\/codecov-action@v4<\/span>\n        <span class=\"na\">with<\/span><span class=\"pi\">:<\/span>\n          <span class=\"na\">token<\/span><span class=\"pi\">:<\/span> <span class=\"s\">${{ secrets.CODECOV_TOKEN }}<\/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>\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>\u0627\u06a9\u0646\u0648\u0646\u060c \u0628\u0627 \u0647\u0631 commit\u060c \u0627\u06cc\u0646 \u0627\u06a9\u0634\u0646 \u0627\u062c\u0631\u0627 \u0645\u06cc \u0634\u0648\u062f \u0648 \u0628\u0647 \u0637\u0648\u0631 \u062e\u0648\u062f\u06a9\u0627\u0631 \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u0645\u06cc \u0634\u0648\u062f. \u0627\u06af\u0631 \u0647\u0645\u0647 \u0686\u06cc\u0632 \u0628\u0647 \u062f\u0631\u0633\u062a\u06cc \u0627\u0646\u062c\u0627\u0645 \u0634\u0648\u062f\u060c \u067e\u0633 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0647 \u062e\u0648\u062f \u0627\u0641\u062a\u062e\u0627\u0631 \u06a9\u0646\u06cc\u062f \u0648 \u06cc\u06a9 \u0646\u0634\u0627\u0646 \u062f\u0631 README \u0628\u06af\u0630\u0627\u0631\u06cc\u062f \u06a9\u0647 \u0647\u0645\u0647 \u0686\u06cc\u0632 \u062a\u0633\u062a \u0634\u062f\u0647 \u0627\u0633\u062a \ud83d\ude42<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/media2.dev.to\/dynamic\/image\/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto\/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fdj01s8fktvxvf8wg1fol.png\" alt=\"\u0646\u0634\u0627\u0646\" loading=\"lazy\" width=\"170\" height=\"34\" title=\"\"><\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D9%86%D8%AA%DB%8C%D8%AC%D9%87_%DA%AF%DB%8C%D8%B1%DB%8C\"><\/span>\n<p>  \u0646\u062a\u06cc\u062c\u0647 \u06af\u06cc\u0631\u06cc<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u0634\u0645\u0627 \u0642\u0627\u062f\u0631 \u062e\u0648\u0627\u0647\u06cc\u062f \u0628\u0648\u062f \u0647\u0645\u0647 \u0686\u06cc\u0632 \u062c\u0627\u0644\u0628\u06cc \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f\u060c \u0648 \u0686\u0646\u06cc\u0646 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