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Covariant properties for `ModuleTransportLike` 

Summary:
Make all properties of `ModuleTraansportLike` covariant to enforce read-only behavior at all sites using it.
The type only exists for compatibility reasons between old and new output functionality, and covariant properties give us stronger guarantees.

Reviewed By: jeanlauliac

Differential Revision: D5111667

fbshipit-source-id: 674658b07eb3a229cbc4344cb636e4a9ea4126d1
This commit is contained in:
David Aurelio 2017-05-23 10:24:59 -07:00 committed by Facebook Github Bot
parent 132d71f0a3
commit 05936a53d4
1 changed files with 1 additions and 1 deletions
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packages/metro-bundler/src/lib/ModuleTransport.js
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@ -15,7 +15,7 @@ import type {RawMapping} from '../Bundler/source-map';
import type Module from '../node-haste/Module';
import type {SourceMap} from './SourceMap';
type SourceMapOrMappings = SourceMap | Array<RawMapping>;
export type SourceMapOrMappings = SourceMap | Array<RawMapping>;
type Metadata = {
dependencies?: ?Array<string>,