Skip to content

Remove unstable_compactSourceMaps; always store compact VLQ source maps (#1765) #1765

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
robhogan wants to merge 3 commits into
base: main
Choose a base branch
from
Open

Remove unstable_compactSourceMaps; always store compact VLQ source maps (#1765) #1765

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
6829d98
Switch `unstable_compactSourceMaps` and `unstable_allowIndexMap` defa…
robhogan Jul 6, 2026
f01d5b9
Always emit indexed source maps; remove unstable_allowIndexMap
Jul 6, 2026
8725281
Remove `unstable_compactSourceMaps`; always store compact VLQ source …
robhogan Jul 6, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 0 additions & 2 deletions packages/metro-config/src/defaults/index.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -70,7 +70,6 @@ const getDefaultValues = (projectRoot: ?string): ConfigT => ({
customSerializer: null,
isThirdPartyModule: module =>
/(?:^|[/\\])node_modules[/\\]/.test(module.path),
unstable_allowIndexMap: false,
},

server: {
Expand Down Expand Up @@ -136,7 +135,6 @@ const getDefaultValues = (projectRoot: ?string): ConfigT => ({
unstable_disableNormalizePseudoGlobals: false,
unstable_renameRequire: true,
unstable_compactOutput: false,
unstable_compactSourceMaps: false,
unstable_memoizeInlineRequires: false,
unstable_workerThreads: false,
},
Expand Down
7 changes: 0 additions & 7 deletions packages/metro-config/src/types.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -146,13 +146,6 @@ type SerializerConfigT = {
polyfillModuleNames: ReadonlyArray<string>,
processModuleFilter: (modules: Module<>) => boolean,
isThirdPartyModule: (module: Readonly<{path: string, ...}>) => boolean,
// When source maps are stored compactly as VLQ (see
// `transformer.unstable_compactSourceMaps`), allow the whole-bundle map to be
// emitted as an index map (sectioned) that passes the VLQ through verbatim,
// instead of decoding + re-encoding into a flat map. Cheaper to serialize, but
// requires consumers that understand index source maps. No-op unless compact
// VLQ maps are actually present, and ignored when a `customSerializer` is set.
unstable_allowIndexMap: boolean,
};

type TransformerConfigT = {
Expand Down
3 changes: 1 addition & 2 deletions packages/metro-config/types/types.d.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@
*
* @noformat
* @oncall react_native
* @generated SignedSource<<fcd4ec40719bf4050bc337bfa17ccc5a>>
* @generated SignedSource<<e967449926ed7277bf6d6c2c9e5d654e>>
*
* This file was translated from Flow by scripts/generateTypeScriptDefinitions.js
* Original file: packages/metro-config/src/types.js
Expand Down Expand Up @@ -139,7 +139,6 @@ type SerializerConfigT = {
polyfillModuleNames: ReadonlyArray<string>;
processModuleFilter: (modules: Module) => boolean;
isThirdPartyModule: (module: Readonly<{path: string}>) => boolean;
unstable_allowIndexMap: boolean;
};
type TransformerConfigT = Omit<
JsTransformerConfig,
Expand Down
Loading
Loading