writeFile

Description

Takes a file descriptor and writes content to a file. The file descriptor is resolved if the writting is succeeded. This function should be used in conjunction with openFile or openFileToWrite functions.

Parameter List	Returns	Rejection Errors
`fileLocationAndName: string` `content: string` `tuple: Array (optional)`	`Promise<string>`	`NotNullValidationError` `StringValidationError`
Related Functions	Function Signature
`validateNotNull` `validateNotUndefined` `closeFile` `filterResolutionParam`	`function writeFile(fileLocationAndName, content[, tuple]): Promise<string>`

Examples

import { writeFile, openFileToWrite } from "puddy-m/lib/fileFunctions";

openFileToWrite("aba.txt").then((fileDescriptor) =>
  writeFile(fileDescriptor, "Content to Write")
);

import { writeFile, openFileToWrite } from "puddy-m/lib/fileFunctions";
import { validateString } from "puddy-m/lib/validators";

validateString("foo.txt", [])
  .then((tuple) => openFileToWrite(tuple[0], tuple))
  .then(([_, fileDescriptor]) => writeFile(fileDescriptor, _ + ": Content")); // Creates a file containing "foo.txt: Content"

import { writeFile, openFileToWrite } from "puddy-m/lib/fileFunctions";

const run = async () => {
  try {
    // Open file and writes content to it.
    const openedFileDescriptor = await openFileToWrite("foo.txt");
    const writenFileDescriptor = await writeFile(
      openedFileDescriptor,
      "bar fizz buzz"
    );
  } catch (e) {
    console.log(e);
  }
};

run();