Function readTextFile

readTextFile(
    runtime_enum: RUNTIME,
    file_path: string | URL,
    config?: Partial<ReadFileConfig>,
): Promise<string>
reads and returns text data from a file on supported runtimes (i.e. RUNTIME.DENO, RUNTIME.BUN, or RUNTIME.NODE). for unsupported runtimes, an error is thrown.
Parameters
- runtime_enum: RUNTIME
  the runtime enum indicating which runtime should be used for reading the filesystem.
- file_path: string | URL
  the source file path to read from.
- config: Partial<ReadFileConfig> = {}
  provide optional configuration on how the reading should be performed.
Returns Promise<string>
Throws
an error is thrown if an unsupported runtime uses this function.
Example
```
import { assertStringIncludes } from "jsr:@std/assert"

const my_deno_json = await readTextFile(identifyCurrentRuntime(), new URL(import.meta.resolve("../deno.json")))
assertStringIncludes(my_deno_json, `"name": "@oazmi/kitchensink"`)
```
- Defined in work/kitchensink_ts/kitchensink_ts/src/crossenv.ts:508