parsers json.ts

100% Statements 7/7

100% Branches 4/4

100% Functions 2/2

100% Lines 6/6

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  import { extname } from 'path';
import type { BaseParser, Results } from './base';
import * as is from '../guards';
import type { Summary } from '../guards/json';
 
export class JsonParser implements BaseParser<Summary> {
  globs = [];
 
  public matches(name: string, contents: string) {
    if (extname(name) !== '.json') return false;
    const data = JSON.parse(contents);
 
    return is.json.summary(data) ? data : false;
  }
 
  public parse(data: Summary): Results {
    return {
      lines: data.total.lines.pct / 100,
      functions: data.total.functions.pct / 100,
      branches: data.total.branches.pct / 100,
    };
  }
}
 
export const json = new JsonParser();