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parser: Export Parser class as unstable API #2744

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Aug 12, 2020
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parser: Export Parser class as unstable API #2744

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13 changes: 12 additions & 1 deletion src/language/parser.js
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Original file line number Diff line number Diff line change
Expand Up @@ -162,7 +162,18 @@ export function parseType(
return type;
}

class Parser {
/**
* This class is exported only to assist people in implementing their own parsers
* without duplicating too much code and should be used only as last resort for cases
* such as experimental syntax or if certain features could not be contributed upstream.
*
* It is still part of the internal API and is versioned, so any changes to it are never
* considered breaking changes. If you still need to support multiple versions of the
* library, please use the `versionInfo` variable for version detection.
*
* @internal
*/
export class Parser {
_options: ?ParseOptions;
_lexer: Lexer;

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