{ "$id": "https://deno.land/x/deno/cli/schemas/config-file.v1.json", "$schema": "https://json-schema.org/draft/2020-12/schema", "description": "A JSON representation of a Deno configuration file.", "required": [], "title": "Deno configuration file Schema", "type": "object", "properties": { "compilerOptions": { "type": "object", "description": "Instructs the TypeScript compiler how to compile .ts files.", "additionalProperties": false, "properties": { "allowJs": { "description": "Allow JavaScript files to be a part of your program. Use the `checkJS` option to get errors from these files.", "type": "boolean", "default": true, "markdownDescription": "Allow JavaScript files to be a part of your program. Use the `checkJS` option to get errors from these files.\n\nSee more: https://www.typescriptlang.org/tsconfig#allowJs" }, "allowUnreachableCode": { "description": "Disable error reporting for unreachable code.", "type": "boolean", "default": false, "markdownDescription": "Disable error reporting for unreachable code.\n\nSee more: https://www.typescriptlang.org/tsconfig#allowUnreachableCode" }, "allowUnusedLabels": { "description": "Disable error reporting for unused labels.", "type": "boolean", "default": false, "markdownDescription": "Disable error reporting for unused labels.\n\nSee more: https://www.typescriptlang.org/tsconfig#allowUnusedLabels" }, "checkJs": { "description": "Enable error reporting in type-checked JavaScript files.", "type": "boolean", "default": false, "markdownDescription": "Enable error reporting in type-checked JavaScript files.\n\nSee more: https://www.typescriptlang.org/tsconfig#checkJs" }, "emitDecoratorMetadata": { "description": "Emit design-type metadata for decorated declarations in source files.", "type": "boolean", "default": false, "deprecated": true, "markdownDescription": "Emit design-type metadata for decorated declarations in source files.\n\nSee more: https://www.typescriptlang.org/tsconfig/#emitDecoratorMetadata" }, "exactOptionalPropertyTypes": { "description": "Interpret optional property types as written, rather than adding 'undefined'.", "type": "boolean", "default": false, "markdownDescription": "Interpret optional property types as written, rather than adding 'undefined'.\n\nSee more: https://www.typescriptlang.org/tsconfig#exactOptionalPropertyTypes" }, "experimentalDecorators": { "description": "Enable experimental support for legacy experimental decorators.", "type": "boolean", "default": false, "deprecated": true, "markdownDescription": "Enable experimental support for legacy experimental decorators.\n\nSee more: https://www.typescriptlang.org/tsconfig#experimentalDecorators" }, "isolatedDeclarations": { "description": "Require sufficient annotation on exports so other tools can trivially generate declaration files.", "type": "boolean", "default": false, "markdownDescription": "Require sufficient annotation on exports so other tools can trivially generate declaration files.\n\nSee more: https://www.typescriptlang.org/tsconfig/#isolatedDeclarations" }, "jsx": { "description": "Specify what JSX code is generated.", "default": "react", "enum": [ "preserve", "react", "react-jsx", "react-jsxdev", "react-native", "precompile" ] }, "jsxFactory": { "description": "Specify the JSX factory function used when targeting React JSX emit, e.g. 'React.createElement' or 'h'", "type": "string", "default": "React.createElement", "markdownDescription": "Specify the JSX factory function used when targeting React JSX emit, e.g. 'React.createElement' or 'h'\n\nSee more: https://www.typescriptlang.org/tsconfig#jsxFactory" }, "jsxFragmentFactory": { "description": "Specify the JSX Fragment reference used for fragments when targeting React JSX emit e.g. 'React.Fragment' or 'Fragment'.", "type": "string", "default": "React.Fragment", "markdownDescription": "Specify the JSX Fragment reference used for fragments when targeting React JSX emit e.g. 'React.Fragment' or 'Fragment'.\n\nSee more: https://www.typescriptlang.org/tsconfig#jsxFragmentFactory" }, "jsxImportSource": { "description": "Specify module specifier used to import the JSX factory functions when using jsx: 'react-jsx*'.", "type": "string", "default": "react", "markdownDescription": "Specify module specifier used to import the JSX factory functions when using jsx: `react-jsx*`.\n\nSee more: https://www.typescriptlang.org/tsconfig/#jsxImportSource" }, "jsxImportSourceTypes": { "description": "Specify module specifier used to import the types for the JSX factory functions when using jsx: 'react-jsx*'. This is the logical equivalent of prefixing an import to the jsxImportSource with `// @deno-types=\"...\"`.", "type": "string", "default": "@types/react", "markdownDescription": "Specify module specifier used to import the types for the JSX factory functions when using jsx: `react-jsx*`. This is the logical equivalent of prefixing an import to the jsxImportSource with `// @deno-types=\"...\"`." }, "jsxPrecompileSkipElements": { "description": "Specify list of elements that should be exempt from being precompiled when the jsx 'precompile' transform is used.", "type": "array", "items": { "type": "string" }, "markdownDescription": "Specify list of elements that should be exempt from being precompiled when the jsx `precompile` transform is used." }, "lib": { "description": "Specify a set of bundled library declaration files that describe the target runtime environment.", "type": "array", "uniqueItems": true, "default": ["deno.window"], "items": { "type": "string" }, "markdownDescription": "Specify a set of bundled library declaration files that describe the target runtime environment.\n\nSee more: https://www.typescriptlang.org/tsconfig#lib" }, "noErrorTruncation": { "description": "Do not truncate error messages.", "type": "boolean", "default": false, "markdownDescription": "Do not truncate error messages.\n\nSee more: https://www.typescriptlang.org/tsconfig#noErrorTruncation" }, "noFallthroughCasesInSwitch": { "description": "Enable error reporting for fallthrough cases in switch statements.", "type": "boolean", "default": false, "markdownDescription": "Enable error reporting for fallthrough cases in switch statements.\n\nSee more: https://www.typescriptlang.org/tsconfig#noFallthroughCasesInSwitch" }, "noImplicitAny": { "description": "Enable error reporting for expressions and declarations with an implied `any` type.", "type": "boolean", "default": true, "markdownDescription": "Enable error reporting for expressions and declarations with an implied `any` type.\n\nSee more: https://www.typescriptlang.org/tsconfig#noImplicitAny" }, "noImplicitOverride": { "description": "Ensure overriding members in derived classes are marked with an override modifier.", "type": "boolean", "default": true, "markdownDescription": "Ensure overriding members in derived classes are marked with an override modifier.\n\nSee more: https://www.typescriptlang.org/tsconfig#noImplicitOverride" }, "noImplicitReturns": { "description": "Enable error reporting for codepaths that do not explicitly return in a function.", "type": "boolean", "default": false, "markdownDescription": "Enable error reporting for codepaths that do not explicitly return in a function.\n\nSee more: https://www.typescriptlang.org/tsconfig#noImplicitReturns" }, "noImplicitThis": { "description": "Enable error reporting when `this` is given the type `any`.", "type": "boolean", "default": true, "markdownDescription": "Enable error reporting when `this` is given the type `any`.\n\nSee more: https://www.typescriptlang.org/tsconfig#noImplicitThis" }, "noPropertyAccessFromIndexSignature": { "description": "Enforces using indexed accessors for keys declared using an indexed type.", "type": "boolean", "default": false, "markdownDescription": "Enforces using indexed accessors for keys declared using an indexed type.\n\nSee more: https://www.typescriptlang.org/tsconfig#noPropertyAccessFromIndexSignature" }, "noUncheckedIndexedAccess": { "description": "Add `undefined` to a type when accessed using an index.", "type": "boolean", "default": false, "markdownDescription": "Add `undefined` to a type when accessed using an index.\n\nSee more: https://www.typescriptlang.org/tsconfig#noUncheckedIndexedAccess" }, "noUnusedLocals": { "description": "Enable error reporting when a local variables aren't read.", "type": "boolean", "default": false, "markdownDescription": "Enable error reporting when a local variables aren't read.\n\nSee more: https://www.typescriptlang.org/tsconfig#noUnusedLocals" }, "noUnusedParameters": { "description": "Raise an error when a function parameter isn't read", "type": "boolean", "default": false, "markdownDescription": "Raise an error when a function parameter isn't read\n\nSee more: https://www.typescriptlang.org/tsconfig#noUnusedParameters" }, "strict": { "description": "Enable all strict type checking options.", "type": "boolean", "default": true, "markdownDescription": "Enable all strict type checking options.\n\nSee more: https://www.typescriptlang.org/tsconfig#strict" }, "strictBindCallApply": { "description": "Check that the arguments for `bind`, `call`, and `apply` methods match the original function.", "type": "boolean", "default": true, "markdownDescription": "Check that the arguments for `bind`, `call`, and `apply` methods match the original function.\n\nSee more: https://www.typescriptlang.org/tsconfig#strictBindCallApply" }, "strictBuiltinIteratorReturn": { "description": "Built-in iterators are instantiated with a `TReturn` type of undefined instead of `any`.", "type": "boolean", "default": true, "markdownDescription": "Built-in iterators are instantiated with a `TReturn` type of undefined instead of `any`.\n\nSee more: https://www.typescriptlang.org/tsconfig/#strictBuiltinIteratorReturn" }, "strictFunctionTypes": { "description": "When assigning functions, check to ensure parameters and the return values are subtype-compatible.", "type": "boolean", "default": true, "markdownDescription": "When assigning functions, check to ensure parameters and the return values are subtype-compatible.\n\nSee more: https://www.typescriptlang.org/tsconfig#strictFunctionTypes" }, "strictNullChecks": { "description": "When type checking, take into account `null` and `undefined`.", "type": "boolean", "default": true, "markdownDescription": "When type checking, take into account `null` and `undefined`.\n\nSee more: https://www.typescriptlang.org/tsconfig#strictNullChecks" }, "strictPropertyInitialization": { "description": "Check for class properties that are declared but not set in the constructor.", "type": "boolean", "default": true, "markdownDescription": "Check for class properties that are declared but not set in the constructor.\n\nSee more: https://www.typescriptlang.org/tsconfig#strictPropertyInitialization" }, "types": { "description": "Specify type package names to be included without being referenced in a source file.", "type": "array", "items": { "type": "string" }, "markdownDescription": "Specify type package names to be included without being referenced in a source file.\n\nSee more: https://www.typescriptlang.org/tsconfig/#types" }, "useUnknownInCatchVariables": { "description": "Default catch clause variables as `unknown` instead of `any`.", "type": "boolean", "default": true, "markdownDescription": "Default catch clause variables as `unknown` instead of `any`.\n\nSee more: https://www.typescriptlang.org/tsconfig#useUnknownInCatchVariables" }, "verbatimModuleSyntax": { "description": "Do not transform or elide any imports or exports not marked as type-only, ensuring they are written in the output file's format based on the 'module' setting.", "type": "boolean", "default": false, "markdownDescription": "Do not transform or elide any imports or exports not marked as type-only, ensuring they are written in the output file's format based on the 'module' setting.\n\nSee more: https://www.typescriptlang.org/tsconfig/#verbatimModuleSyntax" } } }, "importMap": { "description": "The location of an import map to be used when resolving modules. If an import map is specified as an `--importmap` flag or using \"imports\" and \"scopes\" properties, they will override this value.", "type": "string" }, "imports": { "description": "A map of specifiers to their remapped specifiers.", "type": "object", "additionalProperties": { "description": "The key is the specifier or partial specifier to match, with a value that represents the target specifier.", "type": "string" } }, "scopes": { "default": {}, "description": "Define a scope which remaps a specifier in only a specified scope", "type": "object", "properties": {}, "additionalProperties": { "description": "A definition of a scoped remapping.", "type": "object", "additionalProperties": { "description": "The key is the specifier or partial specifier to match within the referring scope, with a value that represents the target specifier.", "type": "string" } } }, "exclude": { "type": "array", "description": "List of files, directories or globs that will be ignored by all other configurations. Requires Deno 1.34 or later.", "items": { "type": "string" } }, "lint": { "description": "Configuration for linter", "type": "object", "properties": { "include": { "type": "array", "description": "List of files, directories or globs that will be linted.", "items": { "type": "string" } }, "exclude": { "type": "array", "description": "List of files, directories or globs that will not be linted.", "items": { "type": "string" } }, "rules": { "type": "object", "properties": { "tags": { "type": "array", "description": "List of tag names that will be run. Empty list disables all tags and will only use rules from `include`.", "items": { "$ref": "lint-tags.v1.json" }, "minItems": 0, "uniqueItems": true }, "exclude": { "type": "array", "description": "List of rule names that will be excluded from configured tag sets. If the same rule is in `include` it will be run.", "items": { "$ref": "lint-rules.v1.json" }, "minItems": 0, "uniqueItems": true }, "include": { "type": "array", "description": "List of rule names that will be run. Even if the same rule is in `exclude` it will be run.", "items": { "$ref": "lint-rules.v1.json" }, "minItems": 0, "uniqueItems": true } } }, "report": { "default": "pretty", "enum": ["pretty", "json", "compact"], "description": "The default report format to use when linting" } } }, "fmt": { "description": "Configuration for formatter", "type": "object", "properties": { "include": { "type": "array", "description": "List of files, directories or globs that will be formatted.", "items": { "type": "string" } }, "exclude": { "type": "array", "description": "List of files, directories or globs that will not be formatted.", "items": { "type": "string" } }, "useTabs": { "description": "Whether to use tabs (true) or spaces (false) for indentation.", "type": "boolean", "default": false }, "lineWidth": { "description": "The width of a line the printer will try to stay under. Note that the printer may exceed this width in certain cases.", "type": "number", "default": 80 }, "indentWidth": { "description": "The number of characters for an indent.", "type": "number", "default": 2 }, "singleQuote": { "type": "boolean", "description": "Whether to use single quote (true) or double quote (false) for quotation.", "default": false }, "proseWrap": { "description": "Define how prose should be wrapped in Markdown files.", "default": "always", "enum": ["always", "never", "preserve"] }, "semiColons": { "description": "Whether to prefer using semicolons.", "type": "boolean", "default": true }, "options": { "type": "object", "properties": { "useTabs": { "description": "Whether to use tabs (true) or spaces (false) for indentation.", "type": "boolean", "default": false }, "lineWidth": { "description": "The width of a line the printer will try to stay under. Note that the printer may exceed this width in certain cases.", "type": "number", "default": 80 }, "indentWidth": { "description": "The number of characters for an indent.", "type": "number", "default": 2 }, "singleQuote": { "type": "boolean", "description": "Whether to use single quote (true) or double quote (false) for quotation.", "default": false }, "proseWrap": { "description": "Define how prose should be wrapped in Markdown files.", "default": "always", "enum": ["always", "never", "preserve"] }, "semiColons": { "description": "Whether to prefer using semicolons.", "type": "boolean", "default": true } } } } }, "nodeModulesDir": { "oneOf": [ { "description": "Sets the node_modules management mode for npm packages. Alternatively, use the `--node-modules-dir=` flag. Requires Deno 2.0-rc.1 or later.", "default": "none", "enum": ["auto", "manual", "none"] }, { "description": "Enables or disables the use of a local node_modules folder for npm packages. Alternatively, use the `--node-modules-dir` flag or override the config via `--node-modules-dir=false`. Requires Deno 1.34 or later.", "type": "boolean", "deprecated": false } ] }, "vendor": { "description": "Enables or disables the use of a local vendor folder as a local cache for remote modules and node_modules folder for npm packages. Alternatively, use the `--vendor` flag or override the config via `--vendor=false`. Requires Deno 1.36.1 or later.", "type": "boolean" }, "tasks": { "description": "Configuration for deno task", "type": "object", "patternProperties": { "^[A-Za-z][A-Za-z0-9_\\-:]*$": { "oneOf": [ { "type": "string", "description": "Command to execute for this task name." }, { "type": "object", "description": "A definition of a task to execute", "properties": { "description": { "type": "string", "description": "Description of a task that will be shown when running `deno task` without a task name" }, "command": { "type": "string", "required": true, "description": "The task to execute" }, "dependencies": { "type": "array", "items": { "type": "string" }, "description": "Tasks that should be executed before this task" } } } ] } }, "additionalProperties": false }, "test": { "description": "Configuration for deno test", "type": "object", "properties": { "include": { "type": "array", "description": "List of files, directories or globs that will be searched for tests.", "items": { "type": "string" } }, "exclude": { "type": "array", "description": "List of files, directories or globs that will not be searched for tests.", "items": { "type": "string" } } } }, "publish": { "description": "Configuration for deno publish", "type": "object", "properties": { "include": { "type": "array", "description": "List of files, directories or globs that will be included in the published package.", "items": { "type": "string" } }, "exclude": { "type": "array", "description": "List of files, directories or globs that will be excluded from the published package.", "items": { "type": "string" } } } }, "bench": { "description": "Configuration for deno bench", "type": "object", "properties": { "include": { "type": "array", "description": "List of files, directories or globs that will be searched for benchmarks.", "items": { "type": "string" } }, "exclude": { "type": "array", "description": "List of files, directories or globs that will not be searched for benchmarks.", "items": { "type": "string" } } } }, "license": { "description": "The SPDX license identifier if this is a JSR package. Specify this or add a license file to the package.", "type": ["string"] }, "lock": { "description": "Whether to use a lock file or the path to use for the lock file. Can be overridden by CLI arguments.", "type": ["string", "boolean", "object"], "default": true, "properties": { "path": { "type": "string", "description": "The path to use for the lock file.", "default": "deno.lock" }, "frozen": { "type": "boolean", "description": "Whether to exit with an error if lock file is out of date.", "default": false } } }, "unstable": { "type": "array", "description": "List of unstable features to enable.", "items": { "type": "string", "examples": [ "broadcast-channel", "bare-node-builtins", "byonm", "cron", "detect-cjs", "ffi", "fs", "fmt-component", "fmt-sql", "http", "kv", "net", "node-globals", "sloppy-imports", "temporal", "unsafe-proto", "webgpu", "worker-options" ] } }, "name": { "type": "string", "description": "The name of this JSR package. Must be scoped", "pattern": "^@[a-z0-9-]+/[a-z0-9-]+$" }, "version": { "type": "string", "description": "The version of this JSR package." }, "exports": { "oneOf": [ { "type": "string", "description": "The path to the main module of this JSR package.", "examples": ["./mod.ts", "./index.js"], "pattern": "^\\./.*$" }, { "type": "object", "description": "A map of package exports to files in this JSR package.", "propertyNames": { "description": "Package export name", "examples": [".", "./foo", "./bar"], "pattern": "^\\.(/.*)?$" }, "patternProperties": { "^\\.(/.*)?$": { "type": "string", "pattern": "^\\./.*$" } }, "examples": [{ ".": "./mod.ts" }] } ] }, "patch": { "type": "array", "items": { "type": "string" }, "description": "UNSTABLE: List of relative paths to folders containing JSR packages to use local versions of." }, "workspace": { "oneOf": [ { "type": "array", "items": { "type": "string" }, "description": "The members of this workspace." }, { "type": "object", "properties": { "members": { "type": "array", "items": { "type": "string" }, "description": "The members of this workspace." } } } ] } } }