graphql#Lexer TypeScript Examples
The following examples show how to use
graphql#Lexer.
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Example #1
Source File: utils.ts From graphql-eslint with MIT License | 7 votes |
function getLexer(source: Source): Lexer {
// GraphQL v14
const gqlLanguage = require('graphql/language');
if (gqlLanguage && gqlLanguage.createLexer) {
return gqlLanguage.createLexer(source, {});
}
// GraphQL v15
const { Lexer: LexerCls } = require('graphql');
if (LexerCls && typeof LexerCls === 'function') {
return new LexerCls(source);
}
throw new Error('Unsupported GraphQL version! Please make sure to use GraphQL v14 or newer!');
}