metro-source-map - npm Package Compare versions

Comparing version 0.83.4 to 0.83.5

src/B64Builder.d.ts

+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ * @oncall react_native
+ */
+
+/**
+ * Efficient builder for base64 VLQ mappings strings.
+ *
+ * This class uses a buffer that is preallocated with one megabyte and is
+ * reallocated dynamically as needed, doubling its size.
+ *
+ * Encoding never creates any complex value types (strings, objects), and only
+ * writes character values to the buffer.
+ *
+ * For details about source map terminology and specification, check
+ * https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit
+ */
+declare class B64Builder {
+  buffer: Buffer;
+  pos: number;
+  hasSegment: boolean;
+  constructor();
+  /**
+   * Adds `n` markers for generated lines to the mappings.
+   */
+  markLines(n: number): this;
+  /**
+   * Starts a segment at the specified column offset in the current line.
+   */
+  startSegment(column: number): this;
+  /**
+   * Appends a single number to the mappings.
+   */
+  append(value: number): this;
+  /**
+   * Returns the string representation of the mappings.
+   */
+  toString(): string;
+  _writeByte(byte: number): void;
+  _realloc(): void;
+}
+export default B64Builder;

src/BundleBuilder.d.ts

+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ * @oncall react_native
+ */
+
+import type {IndexMap, IndexMapSection, MixedSourceMap} from './source-map';
+/**
+ * Builds a source-mapped bundle by concatenating strings and their
+ * corresponding source maps (if any).
+ *
+ * Usage:
+ *
+ * const builder = new BundleBuilder('bundle.js');
+ * builder
+ *   .append('foo\n', fooMap)
+ *   .append('bar\n')
+ *   // ...
+ * const code = builder.getCode();
+ * const map = builder.getMap();
+ */
+export declare class BundleBuilder {
+  _file: string;
+  _sections: Array<IndexMapSection>;
+  _line: number;
+  _column: number;
+  _code: string;
+  _afterMappedContent: boolean;
+  constructor(file: string);
+  _pushMapSection(map: MixedSourceMap): void;
+  _endMappedContent(): void;
+  append(code: string, map: null | undefined | MixedSourceMap): this;
+  getMap(): MixedSourceMap;
+  getCode(): string;
+}
+export declare function createIndexMap(
+  file: string,
+  sections: Array<IndexMapSection>,
+): IndexMap;

src/composeSourceMaps.d.ts

+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ * @oncall react_native
+ */
+
+import type {MixedSourceMap} from './source-map';
+
+declare function composeSourceMaps(
+  maps: ReadonlyArray<MixedSourceMap>,
+): MixedSourceMap;
+export default composeSourceMaps;

src/Consumer/AbstractConsumer.d.ts

+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ * @oncall react_native
+ */
+
+import type {
+  GeneratedPositionLookup,
+  IConsumer,
+  IterationOrder,
+  Mapping,
+  SourcePosition,
+} from './types';
+
+declare class AbstractConsumer implements IConsumer {
+  _sourceMap: {readonly file?: string};
+  constructor(sourceMap: {readonly file?: string});
+  originalPositionFor(
+    generatedPosition: GeneratedPositionLookup,
+  ): SourcePosition;
+  generatedMappings(): Iterable<Mapping>;
+  eachMapping(
+    callback: (mapping: Mapping) => unknown,
+    context?: unknown,
+    order?: IterationOrder,
+  ): void;
+  get file(): null | undefined | string;
+  sourceContentFor(
+    source: string,
+    nullOnMissing: true,
+  ): null | undefined | string;
+}
+export default AbstractConsumer;

src/Consumer/constants.d.ts

+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ * @oncall react_native
+ */
+
+import type {Number0, Number1} from 'ob1';
+
+declare const FIRST_COLUMN: Number0;
+declare const FIRST_LINE: Number1;
+export declare type IterationOrder = symbol & {__IterationOrder__: string};
+declare const GENERATED_ORDER: IterationOrder;
+declare const ORIGINAL_ORDER: IterationOrder;
+export declare type LookupBias = symbol & {__LookupBias__: string};
+declare const GREATEST_LOWER_BOUND: LookupBias;
+declare const LEAST_UPPER_BOUND: LookupBias;
+declare const EMPTY_POSITION: Readonly<{
+  source: null;
+  name: null;
+  line: null;
+  column: null;
+}>;
+declare function iterationOrderToString(x: IterationOrder): string;
+declare function lookupBiasToString(x: LookupBias): string;
+export {
+  FIRST_COLUMN,
+  FIRST_LINE,
+  GENERATED_ORDER,
+  ORIGINAL_ORDER,
+  GREATEST_LOWER_BOUND,
+  LEAST_UPPER_BOUND,
+  EMPTY_POSITION,
+  iterationOrderToString,
+  lookupBiasToString,
+};

src/Consumer/createConsumer.d.ts

+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ * @oncall react_native
+ */
+
+import type {MixedSourceMap} from '../source-map';
+import type {IConsumer} from './types';
+
+declare function createConsumer(sourceMap: MixedSourceMap): IConsumer;
+export default createConsumer;

src/Consumer/DelegatingConsumer.d.ts

+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ * @oncall react_native
+ */
+
+import type {MixedSourceMap} from '../source-map';
+import type {LookupBias} from './constants.js';
+import type {
+  GeneratedPositionLookup,
+  IConsumer,
+  IterationOrder,
+  Mapping,
+  SourcePosition,
+} from './types';
+/**
+ * A source map consumer that supports both "basic" and "indexed" source maps.
+ * Uses `MappingsConsumer` and `SectionsConsumer` under the hood (via
+ * `createConsumer`).
+ */
+declare class DelegatingConsumer implements IConsumer {
+  static readonly GENERATED_ORDER: IterationOrder;
+  static readonly ORIGINAL_ORDER: IterationOrder;
+  static readonly GREATEST_LOWER_BOUND: LookupBias;
+  static readonly LEAST_UPPER_BOUND: LookupBias;
+  _rootConsumer: IConsumer;
+  constructor(sourceMap: MixedSourceMap);
+  originalPositionFor(
+    generatedPosition: GeneratedPositionLookup,
+  ): SourcePosition;
+  generatedMappings(): Iterable<Mapping>;
+  eachMapping(
+    callback: (mapping: Mapping) => unknown,
+    context?: unknown,
+    order?: IterationOrder,
+  ): void;
+  get file(): null | undefined | string;
+  sourceContentFor(
+    source: string,
+    nullOnMissing: true,
+  ): null | undefined | string;
+}
+export default DelegatingConsumer;

src/Consumer/index.d.ts

+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ * @oncall react_native
+ */
+
+import DelegatingConsumer from './DelegatingConsumer';
+
+declare const $$EXPORT_DEFAULT_DECLARATION$$: typeof DelegatingConsumer;
+declare type $$EXPORT_DEFAULT_DECLARATION$$ =
+  typeof $$EXPORT_DEFAULT_DECLARATION$$;
+export default $$EXPORT_DEFAULT_DECLARATION$$;

src/Consumer/MappingsConsumer.d.ts

+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ * @oncall react_native
+ */
+
+import type {BasicSourceMap} from '../source-map';
+import type {
+  GeneratedPositionLookup,
+  IConsumer,
+  Mapping,
+  SourcePosition,
+} from './types';
+import type {Number0} from 'ob1';
+
+import AbstractConsumer from './AbstractConsumer';
+/**
+ * A source map consumer that supports "basic" source maps (that have a
+ * `mappings` field and no sections).
+ */
+declare class MappingsConsumer extends AbstractConsumer implements IConsumer {
+  _sourceMap: BasicSourceMap;
+  _decodedMappings: null | undefined | ReadonlyArray<Mapping>;
+  _normalizedSources: null | undefined | ReadonlyArray<string>;
+  constructor(sourceMap: BasicSourceMap);
+  originalPositionFor(
+    generatedPosition: GeneratedPositionLookup,
+  ): SourcePosition;
+  _decodeMappings(): Generator<Mapping, void, void>;
+  _normalizeAndCacheSources(): ReadonlyArray<string>;
+  _decodeAndCacheMappings(): ReadonlyArray<Mapping>;
+  generatedMappings(): Iterable<Mapping>;
+  _indexOfSource(source: string): null | undefined | Number0;
+  sourceContentFor(
+    source: string,
+    nullOnMissing: true,
+  ): null | undefined | string;
+}
+export default MappingsConsumer;

src/Consumer/normalizeSourcePath.d.ts

+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ * @oncall react_native
+ */
+
+declare function normalizeSourcePath(
+  sourceInput: string,
+  map: {readonly sourceRoot?: null | undefined | string},
+): string;
+export default normalizeSourcePath;

src/Consumer/positionMath.d.ts

+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ * @oncall react_native
+ */
+
+import type {GeneratedOffset} from './types';
+import type {Number0, Number1} from 'ob1';
+
+export declare function shiftPositionByOffset<
+  T extends {
+    readonly line: null | undefined | Number1;
+    readonly column: null | undefined | Number0;
+  },
+>(pos: T, offset: GeneratedOffset): T;
+export declare function subtractOffsetFromPosition<
+  T extends {
+    readonly line: null | undefined | Number1;
+    readonly column: null | undefined | Number0;
+  },
+>(pos: T, offset: GeneratedOffset): T;

src/Consumer/search.d.ts

+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ * @oncall react_native
+ */
+
+export declare function greatestLowerBound<T, U>(
+  elements: ReadonlyArray<T>,
+  target: U,
+  comparator: ($$PARAM_0$$: U, $$PARAM_1$$: T) => number,
+): null | undefined | number;

src/Consumer/SectionsConsumer.d.ts

+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ * @oncall react_native
+ */
+
+import type {IndexMap} from '../source-map';
+import type {
+  GeneratedOffset,
+  GeneratedPositionLookup,
+  IConsumer,
+  Mapping,
+  SourcePosition,
+} from './types';
+
+import AbstractConsumer from './AbstractConsumer';
+/**
+ * A source map consumer that supports "indexed" source maps (that have a
+ * `sections` field and no top-level mappings).
+ */
+declare class SectionsConsumer extends AbstractConsumer implements IConsumer {
+  _consumers: ReadonlyArray<[GeneratedOffset, IConsumer]>;
+  constructor(sourceMap: IndexMap);
+  originalPositionFor(
+    generatedPosition: GeneratedPositionLookup,
+  ): SourcePosition;
+  generatedMappings(): Iterable<Mapping>;
+  _consumerForPosition(
+    generatedPosition: GeneratedPositionLookup,
+  ): null | undefined | [GeneratedOffset, IConsumer];
+  sourceContentFor(
+    source: string,
+    nullOnMissing: true,
+  ): null | undefined | string;
+}
+export default SectionsConsumer;

src/Consumer/types.d.ts

+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ * @oncall react_native
+ */
+
+import type {IterationOrder, LookupBias} from './constants';
+import type {Number0, Number1} from 'ob1';
+
+export type {IterationOrder, LookupBias};
+export type GeneratedOffset = {
+  readonly lines: Number0;
+  readonly columns: Number0;
+};
+export type SourcePosition = {
+  source: null | undefined | string;
+  line: null | undefined | Number1;
+  column: null | undefined | Number0;
+  name: null | undefined | string;
+};
+export type GeneratedPosition = {
+  readonly line: Number1;
+  readonly column: Number0;
+};
+export type GeneratedPositionLookup = {
+  readonly line: null | undefined | Number1;
+  readonly column: null | undefined | Number0;
+  readonly bias?: LookupBias;
+};
+export type Mapping = Readonly<{
+  source: null | undefined | string;
+  generatedLine: Number1;
+  generatedColumn: Number0;
+  originalLine: null | undefined | Number1;
+  originalColumn: null | undefined | Number0;
+  name: null | undefined | string;
+}>;
+export interface IConsumer {
+  originalPositionFor(
+    generatedPosition: GeneratedPositionLookup,
+  ): SourcePosition;
+  generatedMappings(): Iterable<Mapping>;
+  eachMapping(
+    callback: (mapping: Mapping) => unknown,
+    context?: unknown,
+    order?: IterationOrder,
+  ): void;
+  get file(): null | undefined | string;
+  sourceContentFor(
+    source: string,
+    nullOnMissing: true,
+  ): null | undefined | string;
+}

src/encode.d.ts

+/**
+ * Portions Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ * @oncall react_native
+ */
+
+/**
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ *
+ * Based on the Base 64 VLQ implementation in Closure Compiler:
+ * https://git.io/vymuA
+ *
+ * Copyright 2011 The Closure Compiler Authors. All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above
+ *    copyright notice, this list of conditions and the following
+ *    disclaimer in the documentation and/or other materials provided
+ *    with the distribution.
+ *  * Neither the name of Google Inc. nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @copyright
+ *
+ * Associate this with the THIRD_PARTY_LICENCE type to ensure it isn't
+ * stripped by flow-api-translator.
+ */
+export type THIRD_PARTY_LICENSE = unknown;
+/**
+ * Encodes a number to base64 VLQ format and appends it to the passed-in buffer
+ *
+ * DON'T USE COMPOUND OPERATORS (eg `>>>=`) ON `let`-DECLARED VARIABLES!
+ * V8 WILL DEOPTIMIZE THIS FUNCTION AND MAP CREATION WILL BE 25% SLOWER!
+ *
+ * DON'T ADD MORE COMMENTS TO THIS FUNCTION TO KEEP ITS LENGTH SHORT ENOUGH FOR
+ * V8 OPTIMIZATION!
+ */
+declare function encode(
+  value: number,
+  buffer: Buffer,
+  position: number,
+): number;
+export default encode;

src/generateFunctionMap.d.ts

+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ * @oncall react_native
+ */
+
+import type {FBSourceFunctionMap} from './source-map';
+import type {PluginObj} from '@babel/core';
+import type {Node as BabelNode} from '@babel/types';
+
+type Position = {line: number; column: number};
+type RangeMapping = {name: string; start: Position};
+export type Context = {filename?: null | undefined | string};
+/**
+ * Generate a map of source positions to function names. The names are meant to
+ * describe the stack frame in an error trace and may contain more contextual
+ * information than just the actual name of the function.
+ *
+ * The output is encoded for use in a source map. For details about the format,
+ * see MappingEncoder below.
+ */
+declare function generateFunctionMap(
+  ast: BabelNode,
+  context?: Context,
+): FBSourceFunctionMap;
+/**
+ * Same as generateFunctionMap, but returns the raw array of mappings instead
+ * of encoding it for use in a source map.
+ *
+ * Lines are 1-based and columns are 0-based.
+ */
+declare function generateFunctionMappingsArray(
+  ast: BabelNode,
+  context?: Context,
+): ReadonlyArray<RangeMapping>;
+declare function functionMapBabelPlugin(): PluginObj;
+export {
+  functionMapBabelPlugin,
+  generateFunctionMap,
+  generateFunctionMappingsArray,
+};

src/Generator.d.ts

+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ * @oncall react_native
+ */
+
+import type {
+  BasicSourceMap,
+  FBSourceFunctionMap,
+  FBSourceMetadata,
+} from './source-map';
+
+import B64Builder from './B64Builder';
+
+type FileFlags = Readonly<{addToIgnoreList?: boolean}>;
+/**
+ * Generates a source map from raw mappings.
+ *
+ * Raw mappings are a set of 2, 4, or five elements:
+ *
+ * - line and column number in the generated source
+ * - line and column number in the original source
+ * - symbol name in the original source
+ *
+ * Mappings have to be passed in the order appearance in the generated source.
+ */
+declare class Generator {
+  builder: B64Builder;
+  last: {
+    generatedColumn: number;
+    generatedLine: number;
+    name: number;
+    source: number;
+    sourceColumn: number;
+    sourceLine: number;
+  };
+  names: IndexedSet;
+  source: number;
+  sources: Array<string>;
+  sourcesContent: Array<null | undefined | string>;
+  x_facebook_sources: Array<null | undefined | FBSourceMetadata>;
+  x_google_ignoreList: Array<number>;
+  constructor();
+  /**
+   * Mark the beginning of a new source file.
+   */
+  startFile(
+    file: string,
+    code: string,
+    functionMap: null | undefined | FBSourceFunctionMap,
+    flags?: FileFlags,
+  ): void;
+  /**
+   * Mark the end of the current source file
+   */
+  endFile(): void;
+  /**
+   * Adds a mapping for generated code without a corresponding source location.
+   */
+  addSimpleMapping(generatedLine: number, generatedColumn: number): void;
+  /**
+   * Adds a mapping for generated code with a corresponding source location.
+   */
+  addSourceMapping(
+    generatedLine: number,
+    generatedColumn: number,
+    sourceLine: number,
+    sourceColumn: number,
+  ): void;
+  /**
+   * Adds a mapping for code with a corresponding source location + symbol name.
+   */
+  addNamedSourceMapping(
+    generatedLine: number,
+    generatedColumn: number,
+    sourceLine: number,
+    sourceColumn: number,
+    name: string,
+  ): void;
+  /**
+   * Return the source map as object.
+   */
+  toMap(file?: string, options?: {excludeSource?: boolean}): BasicSourceMap;
+  /**
+   * Return the source map as string.
+   *
+   * This is ~2.5x faster than calling `JSON.stringify(generator.toMap())`
+   */
+  toString(file?: string, options?: {excludeSource?: boolean}): string;
+  /**
+   * Determine whether we need to write the `x_facebook_sources` field.
+   * If the metadata is all `null`s, we can omit the field entirely.
+   */
+  hasSourcesMetadata(): boolean;
+}
+export default Generator;
+declare class IndexedSet {
+  map: Map<string, number>;
+  nextIndex: number;
+  constructor();
+  indexFor(x: string): number;
+  items(): Array<string>;
+}

src/source-map.d.ts

+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ * @oncall react_native
+ */
+
+import type {IConsumer} from './Consumer/types';
+
+import {BundleBuilder, createIndexMap} from './BundleBuilder';
+import composeSourceMaps from './composeSourceMaps';
+import Consumer from './Consumer';
+import normalizeSourcePath from './Consumer/normalizeSourcePath';
+import {
+  functionMapBabelPlugin,
+  generateFunctionMap,
+} from './generateFunctionMap';
+import Generator from './Generator';
+
+export type {IConsumer};
+type GeneratedCodeMapping = [number, number];
+type SourceMapping = [number, number, number, number];
+type SourceMappingWithName = [number, number, number, number, string];
+export type MetroSourceMapSegmentTuple =
+  | SourceMappingWithName
+  | SourceMapping
+  | GeneratedCodeMapping;
+export type HermesFunctionOffsets = {
+  [$$Key$$: number]: ReadonlyArray<number>;
+};
+export type FBSourcesArray = ReadonlyArray<null | undefined | FBSourceMetadata>;
+export type FBSourceMetadata = [null | undefined | FBSourceFunctionMap];
+export type FBSourceFunctionMap = {
+  readonly names: ReadonlyArray<string>;
+  readonly mappings: string;
+};
+export type BabelSourceMapSegment = Readonly<{
+  generated: Readonly<{column: number; line: number}>;
+  original?: Readonly<{column: number; line: number}>;
+  source?: null | undefined | string;
+  name?: null | undefined | string;
+}>;
+export type FBSegmentMap = {[id: string]: MixedSourceMap};
+export type BasicSourceMap = {
+  readonly file?: string;
+  readonly mappings: string;
+  readonly names: Array<string>;
+  readonly sourceRoot?: string;
+  readonly sources: Array<string>;
+  readonly sourcesContent?: Array<null | undefined | string>;
+  readonly version: number;
+  readonly x_facebook_offsets?: Array<number>;
+  readonly x_metro_module_paths?: Array<string>;
+  readonly x_facebook_sources?: FBSourcesArray;
+  readonly x_facebook_segments?: FBSegmentMap;
+  readonly x_hermes_function_offsets?: HermesFunctionOffsets;
+  readonly x_google_ignoreList?: Array<number>;
+};
+export type IndexMapSection = {
+  map: IndexMap | BasicSourceMap;
+  offset: {line: number; column: number};
+};
+export type IndexMap = {
+  readonly file?: string;
+  readonly mappings?: void;
+  readonly sourcesContent?: void;
+  readonly sections: Array<IndexMapSection>;
+  readonly version: number;
+  readonly x_facebook_offsets?: Array<number>;
+  readonly x_metro_module_paths?: Array<string>;
+  readonly x_facebook_sources?: void;
+  readonly x_facebook_segments?: FBSegmentMap;
+  readonly x_hermes_function_offsets?: HermesFunctionOffsets;
+  readonly x_google_ignoreList?: void;
+};
+export type MixedSourceMap = IndexMap | BasicSourceMap;
+/**
+ * Creates a source map from modules with "raw mappings", i.e. an array of
+ * tuples with either 2, 4, or 5 elements:
+ * generated line, generated column, source line, source line, symbol name.
+ * Accepts an `offsetLines` argument in case modules' code is to be offset in
+ * the resulting bundle, e.g. by some prefix code.
+ */
+declare function fromRawMappings(
+  modules: ReadonlyArray<{
+    readonly map: null | undefined | ReadonlyArray<MetroSourceMapSegmentTuple>;
+    readonly functionMap: null | undefined | FBSourceFunctionMap;
+    readonly path: string;
+    readonly source: string;
+    readonly code: string;
+    readonly isIgnored: boolean;
+    readonly lineCount?: number;
+  }>,
+  offsetLines?: number,
+): Generator;
+declare function fromRawMappingsNonBlocking(
+  modules: ReadonlyArray<{
+    readonly map: null | undefined | ReadonlyArray<MetroSourceMapSegmentTuple>;
+    readonly functionMap: null | undefined | FBSourceFunctionMap;
+    readonly path: string;
+    readonly source: string;
+    readonly code: string;
+    readonly isIgnored: boolean;
+    readonly lineCount?: number;
+  }>,
+  offsetLines?: number,
+): Promise<Generator>;
+/**
+ * Transforms a standard source map object into a Raw Mappings object, to be
+ * used across the bundler.
+ */
+declare function toBabelSegments(
+  sourceMap: BasicSourceMap,
+): Array<BabelSourceMapSegment>;
+declare function toSegmentTuple(
+  mapping: BabelSourceMapSegment,
+): MetroSourceMapSegmentTuple;
+export {
+  BundleBuilder,
+  composeSourceMaps,
+  Consumer,
+  createIndexMap,
+  generateFunctionMap,
+  fromRawMappings,
+  fromRawMappingsNonBlocking,
+  functionMapBabelPlugin,
+  normalizeSourcePath,
+  toBabelSegments,
+  toSegmentTuple,
+};
+/**
+ * Backwards-compatibility with CommonJS consumers using interopRequireDefault.
+ * Do not add to this list.
+ *
+ * @deprecated Default import from 'metro-source-map' is deprecated, use named exports.
+ */
+declare const $$EXPORT_DEFAULT_DECLARATION$$: {
+  BundleBuilder: typeof BundleBuilder;
+  composeSourceMaps: typeof composeSourceMaps;
+  Consumer: typeof Consumer;
+  createIndexMap: typeof createIndexMap;
+  generateFunctionMap: typeof generateFunctionMap;
+  fromRawMappings: typeof fromRawMappings;
+  fromRawMappingsNonBlocking: typeof fromRawMappingsNonBlocking;
+  functionMapBabelPlugin: typeof functionMapBabelPlugin;
+  normalizeSourcePath: typeof normalizeSourcePath;
+  toBabelSegments: typeof toBabelSegments;
+  toSegmentTuple: typeof toSegmentTuple;
+};
+declare type $$EXPORT_DEFAULT_DECLARATION$$ =
+  typeof $$EXPORT_DEFAULT_DECLARATION$$;
+export default $$EXPORT_DEFAULT_DECLARATION$$;

package.json

 {
   "name": "metro-source-map",
-  "version": "0.83.4",
+  "version": "0.83.5",
   "description": "🚇 Source map generator for Metro.",
@@ -13,3 +13,4 @@ "main": "src/source-map.js",
     "type": "git",
-    "url": "[e-mail]:facebook/metro.git"
+    "url": "git+https://github.com/facebook/metro.git",
+    "directory": "packages/metro-source-map"
   },
@@ -25,5 +26,5 @@ "scripts": {
     "invariant": "^2.2.4",
-    "metro-symbolicate": "0.83.4",
+    "metro-symbolicate": "0.83.5",
     "nullthrows": "^1.1.1",
-    "ob1": "0.83.4",
+    "ob1": "0.83.5",
     "source-map": "^0.5.6",
@@ -30,0 +31,0 @@ "vlq": "^1.0.0"

src/B64Builder.js

@@ -9,7 +9,3 @@ "use strict";
 function _interopRequireDefault(e) {
-  return e && e.__esModule
-    ? e
-    : {
-        default: e,
-      };
+  return e && e.__esModule ? e : { default: e };
 }
@@ -16,0 +12,0 @@ const MAX_SEGMENT_LENGTH = 7;

src/composeSourceMaps.js

@@ -10,7 +10,3 @@ "use strict";
 function _interopRequireDefault(e) {
-  return e && e.__esModule
-    ? e
-    : {
-        default: e,
-      };
+  return e && e.__esModule ? e : { default: e };
 }
@@ -17,0 +13,0 @@ _Consumer.default;

src/Consumer/AbstractConsumer.js

@@ -10,7 +10,3 @@ "use strict";
 function _interopRequireDefault(e) {
-  return e && e.__esModule
-    ? e
-    : {
-        default: e,
-      };
+  return e && e.__esModule ? e : { default: e };
 }
@@ -17,0 +13,0 @@ class AbstractConsumer {

src/Consumer/createConsumer.js

@@ -11,7 +11,3 @@ "use strict";
 function _interopRequireDefault(e) {
-  return e && e.__esModule
-    ? e
-    : {
-        default: e,
-      };
+  return e && e.__esModule ? e : { default: e };
 }
@@ -18,0 +14,0 @@ function createConsumer(sourceMap) {

src/Consumer/DelegatingConsumer.js

@@ -10,7 +10,3 @@ "use strict";
 function _interopRequireDefault(e) {
-  return e && e.__esModule
-    ? e
-    : {
-        default: e,
-      };
+  return e && e.__esModule ? e : { default: e };
 }
@@ -17,0 +13,0 @@ class DelegatingConsumer {

src/Consumer/index.js

@@ -11,8 +11,4 @@ "use strict";
 function _interopRequireDefault(e) {
-  return e && e.__esModule
-    ? e
-    : {
-        default: e,
-      };
+  return e && e.__esModule ? e : { default: e };
 }
 var _default = (exports.default = _DelegatingConsumer.default);

src/Consumer/MappingsConsumer.js

@@ -17,7 +17,3 @@ "use strict";
 function _interopRequireDefault(e) {
-  return e && e.__esModule
-    ? e
-    : {
-        default: e,
-      };
+  return e && e.__esModule ? e : { default: e };
 }
@@ -24,0 +20,0 @@ class MappingsConsumer extends _AbstractConsumer.default {

src/Consumer/normalizeSourcePath.js

@@ -9,7 +9,3 @@ "use strict";
 function _interopRequireDefault(e) {
-  return e && e.__esModule
-    ? e
-    : {
-        default: e,
-      };
+  return e && e.__esModule ? e : { default: e };
 }
@@ -16,0 +12,0 @@ function normalizeSourcePath(sourceInput, map) {

src/Consumer/SectionsConsumer.js

@@ -14,7 +14,3 @@ "use strict";
 function _interopRequireDefault(e) {
-  return e && e.__esModule
-    ? e
-    : {
-        default: e,
-      };
+  return e && e.__esModule ? e : { default: e };
 }
@@ -21,0 +17,0 @@ class SectionsConsumer extends _AbstractConsumer.default {

src/generateFunctionMap.js

@@ -24,6 +24,3 @@ "use strict";
       i,
-      f = {
-        __proto__: null,
-        default: e,
-      };
+      f = { __proto__: null, default: e };
     if (null === e || ("object" != typeof e && "function" != typeof e))
@@ -48,7 +45,3 @@ return f;
 function _interopRequireDefault(e) {
-  return e && e.__esModule
-    ? e
-    : {
-        default: e,
-      };
+  return e && e.__esModule ? e : { default: e };
 }
@@ -55,0 +48,0 @@ function generateFunctionMap(ast, context) {

src/Generator.js

@@ -9,7 +9,3 @@ "use strict";
 function _interopRequireDefault(e) {
-  return e && e.__esModule
-    ? e
-    : {
-        default: e,
-      };
+  return e && e.__esModule ? e : { default: e };
 }
@@ -16,0 +12,0 @@ class Generator {

src/source-map.js

@@ -63,7 +63,3 @@ "use strict";
 function _interopRequireDefault(e) {
-  return e && e.__esModule
-    ? e
-    : {
-        default: e,
-      };
+  return e && e.__esModule ? e : { default: e };
 }
@@ -70,0 +66,0 @@ function fromRawMappingsImpl(isBlocking, onDone, modules, offsetLines) {

No alert changes

Improved metrics

Total package byte prevSize

139777

21.65%

Number of package files

56

47.37%

Lines of code

2390

45.29%

Dependency changes

• + Added

  metro-symbolicate@0.83.5
  (transitive)

• + Added

  ob1@0.83.5
  (transitive)

• - Removed

  metro-symbolicate@0.83.4
  (transitive)

• - Removed

  ob1@0.83.4
  (transitive)

• Updated

  metro-symbolicate@0.83.5

• Updated

  ob1@0.83.5