mirror of
https://github.com/datahub-project/datahub.git
synced 2025-07-26 02:50:01 +00:00
16 lines
525 B
TypeScript
16 lines
525 B
TypeScript
|
import { CompiledRules } from 'nearley';
|
||
|
|
import nearley from 'nearley';
|
||
|
|
import { Parser } from 'wherehows-web/typings/modules/nearley';
|
||
|
|
|
||
|
|
/**
|
||
|
|
* We will preprocess the string to remove extraspaces that will slow down the parser.
|
||
|
|
* @param text
|
||
|
|
* @param grammar
|
||
|
|
*/
|
||
|
|
export const parse = (text: string, grammar: CompiledRules): Parser => {
|
||
|
|
const noExtraSpaces = text.replace(/[\s]+/gi, ' ').trim();
|
||
|
|
const parser = new nearley.Parser(nearley.Grammar.fromCompiled(grammar));
|
||
|
|
parser.feed(noExtraSpaces);
|
||
|
|
return parser;
|
||
|
|
};
|