{"id":71656,"date":"2020-01-10T16:04:13","date_gmt":"2020-01-10T10:34:13","guid":{"rendered":"https:\/\/www.vskills.in\/certification\/tutorial\/?p=71656"},"modified":"2024-04-12T14:22:37","modified_gmt":"2024-04-12T08:52:37","slug":"typescript-configuration","status":"publish","type":"page","link":"https:\/\/www.vskills.in\/certification\/tutorial\/typescript-configuration\/","title":{"rendered":"TypeScript Configuration"},"content":{"rendered":"\n<p><a href=\"https:\/\/www.vskills.in\/certification\/tutorial\/angular-7-developer-tutorials\/\" target=\"_blank\" rel=\"noreferrer noopener\">Go back to Tutorial<\/a><\/p>\n\n\n<p>TypeScript is a primary language for Angular application development. It is a superset of JavaScript with design-time support for type safety and tooling. Browsers can&#8217;t execute TypeScript directly. Typescript must be &#8220;transpiled&#8221; into JavaScript using the tsc compiler, which requires some configuration. This section covers following files:<\/p>\n<ul>\n<li>json\u2014TypeScript compiler configuration.<\/li>\n<li>typings\u2014TypesScript declaration files.<\/li>\n<\/ul>\n<p>tsconfig.json<\/p>\n<p>Typically, you add a TypeScript configuration file called tsconfig.json to your project to guide the compiler as it generates JavaScript files. The presence of a tsconfig.json file in a directory indicates that the directory is the root of a TypeScript project. The tsconfig.json file specifies the root files and the compiler options required to compile the project. A project is compiled in one of the following ways:<\/p>\n<p><u>Using tsconfig.json<\/u><\/p>\n<ul>\n<li>By invoking tsc with no input files, in which case the compiler searches for the tsconfig.json file starting in the current directory and continuing up the parent directory chain.<\/li>\n<li>By invoking tsc with no input files and a &#8211;project (or just -p) command line option that specifies the path of a directory containing a tsconfig.json file, or a path to a valid .json file containing the configurations.<\/li>\n<\/ul>\n<p>When input files are specified on the command line, tsconfig.json files are ignored<\/p>\n<p><u>Details<\/u><\/p>\n<p>The &#8220;compilerOptions&#8221; property can be omitted, in which case the compiler\u2019s defaults are used. See our full list of supported Compiler Options.<\/p>\n<p>The &#8220;files&#8221; property takes a list of relative or absolute file paths. The &#8220;include&#8221; and &#8220;exclude&#8221; properties take a list of glob-like file patterns. The supported glob wildcards are:<\/p>\n<p>* matches zero or more characters (excluding directory separators)<\/p>\n<p>? matches any one character (excluding directory separators)<\/p>\n<p>**\/ recursively matches any subdirectory<\/p>\n<p>If a segment of a glob pattern includes only * or .*, then only files with supported extensions are included (e.g. .ts, .tsx, and .d.ts by default with .js and .jsx if allowJs is set to true).<\/p>\n<p>If the &#8220;files&#8221; and &#8220;include&#8221; are both left unspecified, the compiler defaults to including all TypeScript (.ts, .d.ts and .tsx) files in the containing directory and subdirectories except those excluded using the &#8220;exclude&#8221; property. JS files (.js and .jsx) are also included if allowJs is set to true. If the &#8220;files&#8221; or &#8220;include&#8221; properties are specified, the compiler will instead include the union of the files included by those two properties. Files in the directory specified using the &#8220;outDir&#8221; compiler option are excluded as long as &#8220;exclude&#8221; property is not specified.<\/p>\n<p>Files included using &#8220;include&#8221; can be filtered using the &#8220;exclude&#8221; property. However, files included explicitly using the &#8220;files&#8221; property are always included regardless of &#8220;exclude&#8221;. The &#8220;exclude&#8221; property defaults to excluding the node_modules, bower_components, jspm_packages and &lt;outDir&gt; directories when not specified.<\/p>\n<p>Any files that are referenced by files included via the &#8220;files&#8221; or &#8220;include&#8221; properties are also included. Similarly, if a file B.ts is referenced by another file A.ts, then B.ts cannot be excluded unless the referencing file A.ts is also specified in the &#8220;exclude&#8221; list.<\/p>\n<p>Please note that the compiler does not include files that can be possible outputs; e.g. if the input includes index.ts, then index.d.ts and index.js are excluded. In general, having files that differ only in extension next to each other is not recommended.<\/p>\n<p>A tsconfig.json file is permitted to be completely empty, which compiles all files included by default (as described above) with the default compiler options.<\/p>\n\n\n<p><a href=\"https:\/\/www.vskills.in\/certification\/tutorial\/angular-7-developer-tutorials\/\" target=\"_blank\" rel=\"noreferrer noopener\">Go back to Tutorial<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Go back to Tutorial TypeScript is a primary language for Angular application development. It is a superset of JavaScript with design-time support for type safety and tooling. Browsers can&#8217;t execute TypeScript directly. Typescript must be &#8220;transpiled&#8221; into JavaScript using the tsc compiler, which requires some configuration. This section covers following files: json\u2014TypeScript compiler configuration. typings\u2014TypesScript&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[8294],"tags":[8310],"class_list":["post-71656","page","type-page","status-publish","hentry","category-angular-7","tag-typescript-configuration"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>TypeScript Configuration - Tutorial<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.vskills.in\/certification\/tutorial\/typescript-configuration\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"TypeScript Configuration - Tutorial\" \/>\n<meta property=\"og:description\" content=\"Go back to Tutorial TypeScript is a primary language for Angular application development. 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