Function readJSON

readJSON(
pathOrBody: string | Buffer<ArrayBufferLike>,
options?: Partial<ReadJsonOptions>,
): pl.DataFrame
Read a JSON file or string into a DataFrame.
Parameters
- pathOrBody: string | Buffer<ArrayBufferLike>
  path or buffer or string
  
  path: Path to a file or a file like string. Any valid filepath can be used. Example: file.csv.
  
  body: String or buffer to be read as a CSV
- Optionaloptions: Partial<ReadJsonOptions>
  - inferSchemaLength
    
    Maximum number of lines to read to infer schema. If set to 0, all columns will be read as pl.Utf8. If set to null, a full table scan will be done (slow).
  - format
    
    Either "lines" or "json"
  - batchSize
    
    Number of lines to read into the buffer at once. Modify this to change performance.
Returns pl.DataFrame
(DataFrame)
Example
```
const jsonString = `
{"a": 1, "b": "foo", "c": 3}
{"a": 2, "b": "bar", "c": 6}
`
> const df = pl.readJSON(jsonString, {"format": "lines"})
> console.log(df)
  shape: (2, 3)
╭─────┬─────┬─────╮
│ a   ┆ b   ┆ c   │
│ --- ┆ --- ┆ --- │
│ i64 ┆ str ┆ i64 │
╞═════╪═════╪═════╡
│ 1   ┆ foo ┆ 3   │
├╌╌╌╌╌┼╌╌╌╌╌┼╌╌╌╌╌┤
│ 2   ┆ bar ┆ 6   │
╰─────┴─────┴─────╯
```
- Defined in polars/io.ts:360