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diff --git a/std/manual.md b/std/manual.md index 72c61d99f..c95257701 100644 --- a/std/manual.md +++ b/std/manual.md @@ -1210,6 +1210,67 @@ console.log(result["/foo.ts"].map); We would expect the `enum` would be rewritten to an IIFE which constructs the enumerable, and the map to be defined. +## TypeScript Compiler Options + +In Deno ecosystem, all strict flags are enabled in order to comply with +TypeScript ideal of being `strict` by default. However, in order to provide a +way to support customization a configuration file such as `tsconfig.json` might +be provided to Deno on program execution. + +You do need to explicitly tell Deno where to look for this configuration, in +order to do so you can use the `-c` argument when executing your application. + +```bash +deno -c tsconfig.json mod.ts +``` + +Currently allowed settings, as well as their default values in Deno go as +follows: + +```json +{ + "compilerOptions": { + "allowJs": false, + "allowUmdGlobalAccess": false, + "allowUnreachableCode": false, + "allowUnusedLabels": false, + "alwaysStrict": true, + "assumeChangesOnlyAffectDirectDependencies": false, + "checkJs": false, + "disableSizeLimit": false, + "generateCpuProfile": "profile.cpuprofile", + "jsx": "react", + "jsxFactory": "React.createElement", + "lib": [], + "noFallthroughCasesInSwitch": false, + "noImplicitAny": true, + "noImplicitReturns": true, + "noImplicitThis": true, + "noImplicitUseStrict": false, + "noStrictGenericChecks": false, + "noUnusedLocals": false, + "noUnusedParameters": false, + "preserveConstEnums": false, + "removeComments": false, + "resolveJsonModule": true, + "strict": true, + "strictBindCallApply": true, + "strictFunctionTypes": true, + "strictNullChecks": true, + "strictPropertyInitialization": true, + "suppressExcessPropertyErrors": false, + "suppressImplicitAnyIndexErrors": false, + "useDefineForClassFields": false + } +} +``` + +For documentation on allowed values and use cases please visit +https://www.typescriptlang.org/docs/handbook/compiler-options.html + +**Note**: Any options not listed above are either not supported by Deno or are +listed as deprecated/experimental in the TypeScript documentation. + ## Program lifecycle Deno supports browser compatible lifecycle events: `load` and `unload`. You can |