@grafana/data#readCSV TypeScript Examples

The following examples show how to use @grafana/data#readCSV. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: TableInputCSV.tsx    From grafana-chinese with Apache License 2.0 6 votes vote down vote up 
componentDidUpdate(prevProps: Props, prevState: State) {
    const { text } = this.state;

    if (text !== prevState.text || this.props.config !== prevProps.config) {
      this.readCSV();
    }

    // If the props text has changed, replace our local version
    if (this.props.text !== prevProps.text && this.props.text !== text) {
      this.setState({ text: this.props.text });
    }

    if (this.state.data !== prevState.data) {
      this.props.onSeriesParsed(this.state.data, this.state.text);
    }
  }
Example #2
Source File: TableInputCSV.tsx    From grafana-chinese with Apache License 2.0 6 votes vote down vote up 
constructor(props: Props) {
    super(props);

    const { text, config } = props;
    this.state = {
      text,
      data: readCSV(text, { config }),
    };
  }
Example #3
Source File: TableInputCSV.tsx    From grafana-chinese with Apache License 2.0 5 votes vote down vote up 
readCSV: any = debounce(() => {
    const { config } = this.props;
    const { text } = this.state;

    this.setState({ data: readCSV(text, { config }) });
  }, 150);
Example #4
Source File: InputDatasource.test.ts    From grafana-chinese with Apache License 2.0 5 votes vote down vote up 
describe('InputDatasource', () => {
  const data = readCSV('a,b,c\n1,2,3\n4,5,6');
  const instanceSettings: DataSourceInstanceSettings<InputOptions> = {
    id: 1,
    type: 'x',
    name: 'xxx',
    meta: {} as PluginMeta,
    jsonData: {
      data,
    },
  };

  describe('when querying', () => {
    test('should return the saved data with a query', () => {
      const ds = new InputDatasource(instanceSettings);
      const options = getQueryOptions<InputQuery>({
        targets: [{ refId: 'Z' }],
      });

      return ds.query(options).then(rsp => {
        expect(rsp.data.length).toBe(1);

        const series: DataFrame = rsp.data[0];
        expect(series.refId).toBe('Z');
        expect(series.fields[0].values).toEqual(data[0].fields[0].values);
      });
    });
  });

  test('DataFrame descriptions', () => {
    expect(describeDataFrame([])).toEqual('');
    expect(describeDataFrame(null)).toEqual('');
    expect(
      describeDataFrame([
        new MutableDataFrame({
          name: 'x',
          fields: [{ name: 'a' }],
        }),
      ])
    ).toEqual('1 Fields, 0 Rows');
  });
});