API

The remaining types specified in `@parcel/types`

The most important data types are listed on the page of the relevant plugin type.

AST parcel/packages/core/types/index.js:18

Plugin-specific AST, any

Type
type AST = _AST;
Referenced by:
BaseAsset, BundleResult, MutableAsset, Transformer, TransformerResult

ConfigResult parcel/packages/core/types/index.js:19

Type
type ConfigResult = _ConfigResult;
Referenced by:
MultiThreadValidator

ConfigResultWithFilePath parcel/packages/core/types/index.js:21

Plugin-specific config result, any

type ConfigResultWithFilePath<T>Ā = {|
  contents: T,
  filePath: FilePath,
|}
Referenced by:
Config

EnvMap parcel/packages/core/types/index.js:26

process.env

Type
type EnvMap = typeof process.env;
Referenced by:
InitialParcelOptions, PluginOptions

JSONValue parcel/packages/core/types/index.js:28

Type
type JSONValue = null | void | boolean | number | string | Array<JSONValue> | JSONObject;

JSONObject parcel/packages/core/types/index.js:38

A JSON object (as in "map")

type JSONObjectĀ = {
}
Referenced by:
JSONValue, Meta, ResolveResult

Semver parcel/packages/core/types/index.js:43

Type
type Semver = string;
Referenced by:
ASTGenerator, PackageJSON

SemverRange parcel/packages/core/types/index.js:44

Type
type SemverRange = string;
Referenced by:
DevDepOptions, Engines

GlobMap parcel/packages/core/types/index.js:49

A pipeline as specified in the config mapping to T

type GlobMap<T>Ā = {
}

RawParcelConfigPipeline parcel/packages/core/types/index.js:51

Type
type RawParcelConfigPipeline = Array<PackageName>;
Referenced by:
RawParcelConfig

HMROptions parcel/packages/core/types/index.js:53

type HMROptionsĀ = {
  port?: number,
  host?: string,
}
Referenced by:
InitialParcelOptions, PluginOptions

RawParcelConfig parcel/packages/core/types/index.js:56

The format of .parcelrc

type RawParcelConfigĀ = {|
  extends?: PackageName | FilePath | Array<PackageName | FilePath>,
  resolvers?: RawParcelConfigPipeline,
  transformers?: {
    [Glob]: RawParcelConfigPipeline,
    ...
  },
  bundler?: PackageName,
  namers?: RawParcelConfigPipeline,
  runtimes?: RawParcelConfigPipeline,
  packagers?: {
    [Glob]: PackageName,
    ...
  },
  optimizers?: {
    [Glob]: RawParcelConfigPipeline,
    ...
  },
  compressors?: {
    [Glob]: RawParcelConfigPipeline,
    ...
  },
  reporters?: RawParcelConfigPipeline,
  validators?: {
    [Glob]: RawParcelConfigPipeline,
    ...
  },
|}
Referenced by:
ResolvedParcelConfigFile

ResolvedParcelConfigFile parcel/packages/core/types/index.js:71

A .parcelrc where all package names are resolved

type ResolvedParcelConfigFileĀ = {|
  ...RawParcelConfig,
  +filePath: FilePath,
  +resolveFrom?: FilePath,
|}

Engines parcel/packages/core/types/index.js:78

Corresponds to pkg#engines

type EnginesĀ = {
  +browsers?: string | Array<string>,
  +electron?: SemverRange,
  +node?: SemverRange,
  +parcel?: SemverRange,
}
Referenced by:
Environment, EnvironmentOptions, InitialParcelOptions, PackageJSON, PackageTargetDescriptor

TargetSourceMapOptions parcel/packages/core/types/index.js:87

Corresponds to pkg#targets.*.sourceMap

type TargetSourceMapOptionsĀ = {|
  +sourceRoot?: string,
  +inline?: boolean,
  +inlineSources?: boolean,
|}
Referenced by:
Environment, EnvironmentOptions, PackageTargetDescriptor

Target parcel/packages/core/types/index.js:96

A parsed version of PackageTargetDescriptor

interface TargetĀ {
  +distEntry: ?FilePath,

The output filename of the entry

  +distDir: FilePath,

The output folder

  +env: Environment,
  +name: string,
  +publicUrl: string,
  +loc: ?SourceLocation,

The location that created this Target, e.g. package.json#main

}
Referenced by:
Bundle, BundleGraph, BundleGroup, CreateBundleOpts, Dependency, MutableBundleGraph, PackageTargetDescriptor

EnvironmentContext parcel/packages/core/types/index.js:109

In which environment the output should run (influces e.g. bundle loaders)

Type
type EnvironmentContext = 'browser' | 'web-worker' | 'service-worker' | 'worklet' | 'node' | 'electron-main' | 'electron-renderer';
Referenced by:
Environment, EnvironmentOptions, PackageTargetDescriptor

OutputFormat parcel/packages/core/types/index.js:119

The JS module format for the bundle output

Type
type OutputFormat = 'esmodule' | 'commonjs' | 'global';
Referenced by:
Environment, EnvironmentOptions, InitialParcelOptions, PackageTargetDescriptor

PackageTargetDescriptor parcel/packages/core/types/index.js:126

The format of pkg#targets.*
See Environment and Target.

type PackageTargetDescriptorĀ = {|
  +context?: EnvironmentContext,
  +engines?: Engines,
  +includeNodeModules?: boolean | Array<PackageName> | {
    [PackageName]: boolean,
    ...
  },
  +outputFormat?: OutputFormat,
  +publicUrl?: string,
  +distDir?: FilePath,
  +sourceMap?: boolean | TargetSourceMapOptions,
  +isLibrary?: boolean,
  +optimize?: boolean,
  +scopeHoist?: boolean,
  +source?: FilePath | Array<FilePath>,
|}
Referenced by:
PackageJSON, Target, TargetDescriptor

TargetDescriptor parcel/packages/core/types/index.js:148

The target format when using the JS API.
(Same as PackageTargetDescriptor, but distDir is required.)

type TargetDescriptorĀ = {|
  ...PackageTargetDescriptor,
  +distDir: FilePath,
  +distEntry?: FilePath,
|}
Referenced by:
InitialParcelOptions

SourceType parcel/packages/core/types/index.js:154

Type
type SourceType = 'script' | 'module';
Referenced by:
Environment, EnvironmentOptions

EnvironmentOptions parcel/packages/core/types/index.js:159

This is used when creating an Environment (see that).

type EnvironmentOptionsĀ = {|
  +context?: EnvironmentContext,
  +engines?: Engines,
  +includeNodeModules?: boolean | Array<PackageName> | {
    [PackageName]: boolean,
    ...
  },
  +outputFormat?: OutputFormat,
  +sourceType?: SourceType,
  +isLibrary?: boolean,
  +shouldOptimize?: boolean,
  +shouldScopeHoist?: boolean,
  +sourceMap?: ?TargetSourceMapOptions,
  +loc?: ?SourceLocation,
|}
Referenced by:
DependencyOptions, MutableAsset, RuntimeAsset, TransformerResult

VersionMap parcel/packages/core/types/index.js:187

A resolved browserslist, e.g.:


{
  edge: '76',
  firefox: '67',
  chrome: '63',
  safari: '11.1',
  opera: '50',
}
type VersionMapĀ = {
}
Referenced by:
Environment

EnvironmentFeature parcel/packages/core/types/index.js:192

Type
type EnvironmentFeature = 'esmodules' | 'dynamic-import' | 'worker-module' | 'service-worker-module' | 'import-meta-url' | 'arrow-functions';
Referenced by:
Environment

Environment parcel/packages/core/types/index.js:203

Defines the environment in for the output bundle

interface EnvironmentĀ {
  +id: string,
  +context: EnvironmentContext,
  +engines: Engines,
  +includeNodeModules: boolean | Array<PackageName> | {
    [PackageName]: boolean,
    ...
  },

Whether to include all/none packages (true / false), an array of package names to include, or an object (of a package is not specified, it's included).

  +outputFormat: OutputFormat,
  +sourceType: SourceType,
  +isLibrary: boolean,

Whether this is a library build (e.g. less loaders)

  +shouldOptimize: boolean,

Whether the output should be minified.

  +shouldScopeHoist: boolean,

Whether scope hoisting is enabled.

  +sourceMap: ?TargetSourceMapOptions,
  +loc: ?SourceLocation,
  isBrowser(): boolean,

Whether context specifies a browser context.

  isNode(): boolean,

Whether context specifies a node context.

  isElectron(): boolean,

Whether context specifies an electron context.

  isWorker(): boolean,

Whether context specifies a worker context.

  isWorklet(): boolean,

Whether context specifies a worklet context.

  isIsolated(): boolean,

Whether context specifies an isolated context (can't access other loaded ancestor bundles).

  matchesEngines(minVersions: VersionMap, defaultValue?: boolean): boolean,
  supports(feature: EnvironmentFeature, defaultValue?: boolean): boolean,
}
Referenced by:
BaseAsset, Bundle, Config, CreateBundleOpts, Dependency, EnvironmentOptions, PackageTargetDescriptor, Target

PackageDependencies parcel/packages/core/types/index.js:245

Format of pkg#dependencies, pkg#devDependencies, pkg#peerDependencies

type PackageDependenciesĀ = {|
|}
Referenced by:
PackageJSON

PackageJSON parcel/packages/core/types/index.js:252

Format of package.json

type PackageJSONĀ = {
  name: PackageName,
  version: Semver,
  type?: 'module',
  main?: FilePath,
  module?: FilePath,
  types?: FilePath,
  browser?: FilePath | {
    [FilePath]: FilePath | boolean,
    ...
  },
  source?: FilePath | Array<FilePath>,
  alias?: {
    [PackageName | FilePath | Glob]: PackageName | FilePath,
    ...
  },
  browserslist?: Array<string> | {
    [string]: Array<string>
  },
  engines?: Engines,
  targets?: {
    [string]: PackageTargetDescriptor,
    ...
  },
  dependencies?: PackageDependencies,
  devDependencies?: PackageDependencies,
  peerDependencies?: PackageDependencies,
  sideEffects?: boolean | FilePath | Array<FilePath>,
  bin?: string | {|
    [string]: FilePath
  |},
}
Referenced by:
Config

LogLevel parcel/packages/core/types/index.js:273

Type
type LogLevel = 'none' | 'error' | 'warn' | 'info' | 'verbose';
Referenced by:
InitialParcelOptions, PluginOptions

BuildMode parcel/packages/core/types/index.js:274

Type
type BuildMode = 'development' | 'production' | string;
Referenced by:
InitialParcelOptions, PluginOptions

DetailedReportOptions parcel/packages/core/types/index.js:275

type DetailedReportOptionsĀ = {|
  assetsPerBundle?: number,
|}
Referenced by:
InitialParcelOptions, PluginOptions

InitialParcelOptions parcel/packages/core/types/index.js:279

type InitialParcelOptionsĀ = {|
  +entries?: FilePath | Array<FilePath>,
  +config?: DependencySpecifier,
  +defaultConfig?: DependencySpecifier,
  +env?: EnvMap,
  +targets?: ?(Array<string> | {
    +[string]: TargetDescriptor,
    ...
  }),
  +shouldDisableCache?: boolean,
  +cacheDir?: FilePath,
  +mode?: BuildMode,
  +hmrOptions?: ?HMROptions,
  +shouldContentHash?: boolean,
  +serveOptions?: InitialServerOptions | false,
  +shouldAutoInstall?: boolean,
  +logLevel?: LogLevel,
  +shouldProfile?: boolean,
  +shouldPatchConsole?: boolean,
  +shouldBuildLazily?: boolean,
  +inputFS?: FileSystem,
  +outputFS?: FileSystem,
  +cache?: Cache,
  +workerFarm?: WorkerFarm,
  +packageManager?: PackageManager,
  +detailedReport?: ?DetailedReportOptions,
  +defaultTargetOptions?: {|
    +shouldOptimize?: boolean,
    +shouldScopeHoist?: boolean,
    +sourceMaps?: boolean,
    +publicUrl?: string,
    +distDir?: FilePath,
    +engines?: Engines,
    +outputFormat?: OutputFormat,
    +isLibrary?: boolean,
  |},
  +additionalReporters?: Array<{|
    packageName: DependencySpecifier,
    resolveFrom: FilePath,
  |}>,
|}

InitialServerOptions parcel/packages/core/types/index.js:325

type InitialServerOptionsĀ = {|
  +publicUrl?: string,
  +host?: string,
  +port: number,
  +https?: HTTPSOptions | boolean,
|}
Referenced by:
InitialParcelOptions

PluginOptions parcel/packages/core/types/index.js:332

interface PluginOptionsĀ {
  +mode: BuildMode,
  +env: EnvMap,
  +hmrOptions: ?HMROptions,
  +serveOptions: ServerOptions | false,
  +shouldBuildLazily: boolean,
  +shouldAutoInstall: boolean,
  +logLevel: LogLevel,
  +projectRoot: FilePath,
  +cacheDir: FilePath,
  +inputFS: FileSystem,
  +outputFS: FileSystem,
  +packageManager: PackageManager,
  +instanceId: string,
  +detailedReport: ?DetailedReportOptions,
}
Referenced by:
Bundler, Compressor, DedicatedThreadValidator, MultiThreadValidator, Namer, Optimizer, Packager, Reporter, Resolver, Runtime, Transformer

ServerOptions parcel/packages/core/types/index.js:349

type ServerOptionsĀ = {|
  +distDir: FilePath,
  +host?: string,
  +port: number,
  +https?: HTTPSOptions | boolean,
  +publicUrl?: string,
|}
Referenced by:
PluginOptions

HTTPSOptions parcel/packages/core/types/index.js:357

type HTTPSOptionsĀ = {|
  +cert: FilePath,
  +key: FilePath,
|}
Referenced by:
InitialServerOptions, ServerOptions

SourceLocation parcel/packages/core/types/index.js:365

Source locations are 1-based, meaning lines and columns start at 1

type SourceLocationĀ = {|
  +filePath: string,
  +start: {|
    +line: number,
    +column: number,
  |},

inclusive

  +end: {|
    +line: number,
    +column: number,
  |},

exclusive

|}
Referenced by:
AssetSymbols, Dependency, DependencyOptions, Environment, EnvironmentOptions, MutableAssetSymbols, MutableDependencySymbols, SymbolResolution, Target, TransformerResult

AssetSymbols parcel/packages/core/types/index.js:392

A map of export names to the corresponding asset's local variable names.

interface AssetSymbols extends Iterable<[Symbol, {|
  local: Symbol,
  loc: ?SourceLocation,
  meta?: ?Meta,
|}]>Ā {
  +isCleared: boolean,

The exports of the asset are unknown, rather than just empty. This is the default state.

  get(exportSymbol: Symbol): ?{|
    local: Symbol,
    loc: ?SourceLocation,
    meta?: ?Meta,
  |},
  hasExportSymbol(exportSymbol: Symbol): boolean,
  hasLocalSymbol(local: Symbol): boolean,
  exportSymbols(): Iterable<Symbol>,
}
Referenced by:
BaseAsset, MutableAssetSymbols

MutableAssetSymbols parcel/packages/core/types/index.js:409

interface MutableAssetSymbols extends AssetSymbolsĀ {
  ensure(): void,

Initilizes the map, sets isCleared to false.

  set(exportSymbol: Symbol, local: Symbol, loc: ?SourceLocation, meta?: ?Meta): void,
  delete(exportSymbol: Symbol): void,
}
Referenced by:
MutableAsset

MutableDependencySymbols parcel/packages/core/types/index.js:426

isWeak means: the symbol is not used by the parent asset itself and is merely reexported

interface MutableDependencySymbols extends Iterable<[Symbol, {|
  local: Symbol,
  loc: ?SourceLocation,
  isWeak: boolean,
  meta?: ?Meta,
|}]>Ā {
  ensure(): void,

Initilizes the map, sets isCleared to false.

  +isCleared: boolean,

The symbols taht are imports are unknown, rather than just empty. This is the default state.

  get(exportSymbol: Symbol): ?{|
    local: Symbol,
    loc: ?SourceLocation,
    isWeak: boolean,
    meta?: ?Meta,
  |},
  hasExportSymbol(exportSymbol: Symbol): boolean,
  hasLocalSymbol(local: Symbol): boolean,
  exportSymbols(): Iterable<Symbol>,
  set(exportSymbol: Symbol, local: Symbol, loc: ?SourceLocation, isWeak: ?boolean): void,
  delete(exportSymbol: Symbol): void,
}
Referenced by:
Dependency

DependencyPriority parcel/packages/core/types/index.js:457

Type
type DependencyPriority = 'sync' | 'parallel' | 'lazy';
Referenced by:
Dependency, DependencyOptions, ResolveResult

SpecifierType parcel/packages/core/types/index.js:458

Type
type SpecifierType = 'commonjs' | 'esm' | 'url' | 'custom';
Referenced by:
Dependency, DependencyOptions

File parcel/packages/core/types/index.js:601

type FileĀ = {|
  +filePath: FilePath,
  +hash?: string,
|}

DevDepOptions parcel/packages/core/types/index.js:760

type DevDepOptionsĀ = {|
  specifier: DependencySpecifier,
  resolveFrom: FilePath,
  range?: ?SemverRange,
  additionalInvalidations?: Array<{|
    specifier: DependencySpecifier,
    resolveFrom: FilePath,
    range?: ?SemverRange,
  |}>,

When this dev dependency is invalidated, also invalidate these dependencies. This is useful if the parcel plugin or another parent dependency has its own cache for this dev dependency other than Node's require cache.

|}
Referenced by:
Config

Stats parcel/packages/core/types/index.js:842

type StatsĀ = {|
  time: number,
  size: number,
|}
Referenced by:
Asset, PackagedBundle

Blob parcel/packages/core/types/index.js:855

Type
type Blob = string | Buffer | Readable;
Referenced by:
BundleResult, GenerateOutput, Optimizer, Packager, TransformerResult

PackagedBundle parcel/packages/core/types/index.js:1264

interface PackagedBundle extends NamedBundleĀ {
  +filePath: FilePath,

The absolute file path of the written bundle, including the final content hash if any.

  +stats: Stats,

Statistics about the bundle.

}
Referenced by:
BuildSuccessEvent

GlobInvalidation parcel/packages/core/types/index.js:1433

type GlobInvalidationĀ = {|
  glob: Glob,
|}
Referenced by:
FileCreateInvalidation

FileInvalidation parcel/packages/core/types/index.js:1437

type FileInvalidationĀ = {|
  filePath: FilePath,
|}
Referenced by:
FileCreateInvalidation

FileAboveInvalidation parcel/packages/core/types/index.js:1441

type FileAboveInvalidationĀ = {|
  fileName: string,
  aboveFilePath: FilePath,
|}
Referenced by:
FileCreateInvalidation

ErrorWithCode parcel/packages/core/types/index.js:1803

interface ErrorWithCode extends ErrorĀ {
  +code?: string,
}

IDisposable parcel/packages/core/types/index.js:1807

interface IDisposableĀ {
  dispose(): mixed,
}

AsyncSubscription parcel/packages/core/types/index.js:1811

type AsyncSubscriptionĀ = {|
  unsubscribe(): Promise<mixed>,
|}