How to use the buffer.transcode function in buffer

To help you get started, we’ve selected a few buffer examples, based on popular ways it is used in public projects.

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graalvm / graaljs / test / parallel / test-icu-transcode.js View on Github

assert.deepStrictEqual(
  buffer.transcode(Buffer.from('hi', 'ascii'), 'ascii', 'utf16le'),
  Buffer.from('hi', 'utf16le'));
assert.deepStrictEqual(
  buffer.transcode(Buffer.from('hi', 'latin1'), 'latin1', 'utf16le'),
  Buffer.from('hi', 'utf16le'));
assert.deepStrictEqual(
  buffer.transcode(Buffer.from('hä', 'latin1'), 'latin1', 'utf16le'),
  Buffer.from('hä', 'utf16le'));

// Test that Uint8Array arguments are okay.
{
  const uint8array = new Uint8Array([...Buffer.from('hä', 'latin1')]);
  assert.deepStrictEqual(
    buffer.transcode(uint8array, 'latin1', 'utf16le'),
    Buffer.from('hä', 'utf16le'));
}

{
  const dest = buffer.transcode(new Uint8Array(), 'utf8', 'latin1');
  assert.strictEqual(dest.length, 0);
}

graalvm / graaljs / test / parallel / test-icu-transcode.js View on Github

buffer.transcode(Buffer.from('hi', 'latin1'), 'latin1', 'utf16le'),
  Buffer.from('hi', 'utf16le'));
assert.deepStrictEqual(
  buffer.transcode(Buffer.from('hä', 'latin1'), 'latin1', 'utf16le'),
  Buffer.from('hä', 'utf16le'));

// Test that Uint8Array arguments are okay.
{
  const uint8array = new Uint8Array([...Buffer.from('hä', 'latin1')]);
  assert.deepStrictEqual(
    buffer.transcode(uint8array, 'latin1', 'utf16le'),
    Buffer.from('hä', 'utf16le'));
}

{
  const dest = buffer.transcode(new Uint8Array(), 'utf8', 'latin1');
  assert.strictEqual(dest.length, 0);
}

graalvm / graaljs / test / parallel / test-icu-transcode.js View on Github

assert.throws(
  () => buffer.transcode(Buffer.from('a'), 'b', 'utf8'),
  /^Error: Unable to transcode Buffer \[U_ILLEGAL_ARGUMENT_ERROR\]/
);

assert.throws(
  () => buffer.transcode(Buffer.from('a'), 'uf8', 'b'),
  /^Error: Unable to transcode Buffer \[U_ILLEGAL_ARGUMENT_ERROR\]$/
);

assert.deepStrictEqual(
  buffer.transcode(Buffer.from('hi', 'ascii'), 'ascii', 'utf16le'),
  Buffer.from('hi', 'utf16le'));
assert.deepStrictEqual(
  buffer.transcode(Buffer.from('hi', 'latin1'), 'latin1', 'utf16le'),
  Buffer.from('hi', 'utf16le'));
assert.deepStrictEqual(
  buffer.transcode(Buffer.from('hä', 'latin1'), 'latin1', 'utf16le'),
  Buffer.from('hä', 'utf16le'));

// Test that Uint8Array arguments are okay.
{
  const uint8array = new Uint8Array([...Buffer.from('hä', 'latin1')]);
  assert.deepStrictEqual(
    buffer.transcode(uint8array, 'latin1', 'utf16le'),
    Buffer.from('hä', 'utf16le'));
}

{
  const dest = buffer.transcode(new Uint8Array(), 'utf8', 'latin1');
  assert.strictEqual(dest.length, 0);

graalvm / graaljs / test / parallel / test-icu-transcode.js View on Github

'or Uint8Array. Received type object'
  }
);

assert.throws(
  () => buffer.transcode(Buffer.from('a'), 'b', 'utf8'),
  /^Error: Unable to transcode Buffer \[U_ILLEGAL_ARGUMENT_ERROR\]/
);

assert.throws(
  () => buffer.transcode(Buffer.from('a'), 'uf8', 'b'),
  /^Error: Unable to transcode Buffer \[U_ILLEGAL_ARGUMENT_ERROR\]$/
);

assert.deepStrictEqual(
  buffer.transcode(Buffer.from('hi', 'ascii'), 'ascii', 'utf16le'),
  Buffer.from('hi', 'utf16le'));
assert.deepStrictEqual(
  buffer.transcode(Buffer.from('hi', 'latin1'), 'latin1', 'utf16le'),
  Buffer.from('hi', 'utf16le'));
assert.deepStrictEqual(
  buffer.transcode(Buffer.from('hä', 'latin1'), 'latin1', 'utf16le'),
  Buffer.from('hä', 'utf16le'));

// Test that Uint8Array arguments are okay.
{
  const uint8array = new Uint8Array([...Buffer.from('hä', 'latin1')]);
  assert.deepStrictEqual(
    buffer.transcode(uint8array, 'latin1', 'utf16le'),
    Buffer.from('hä', 'utf16le'));
}

nuintun / node-adodb / lib / spawn.js View on Github

// Stderr output
      if (stderrOutput.length) {
        errors.process = Buffer.concat(stderrOutput).toString(encoding);
      }

      // Errors not empty
      if (!isEmpty(errors)) {
        // Set exit code
        errors.exitCode = exitCode;

        // Reject error
        return reject(Object.assign(new Error(`Spawn ${command} error`), errors));
      }

      // Resolve data
      return resolve(transcode(Buffer.concat(buffers), encoding, 'utf8'));
    });

graalvm / graaljs / test / parallel / test-icu-transcode.js View on Github

'latin1': [0x74, 0x3f, 0x73, 0x74, 0x20, 0x3f],
  'ascii': [0x74, 0x3f, 0x73, 0x74, 0x20, 0x3f],
  'ucs2': [0x74, 0x00, 0x1b, 0x01, 0x73,
           0x00, 0x74, 0x00, 0x20, 0x00,
           0x15, 0x26]
};

for (const test in tests) {
  const dest = buffer.transcode(orig, 'utf8', test);
  assert.strictEqual(dest.length, tests[test].length, `utf8-&gt;${test} length`);
  for (let n = 0; n &lt; tests[test].length; n++)
    assert.strictEqual(dest[n], tests[test][n], `utf8-&gt;${test} char ${n}`);
}

{
  const dest = buffer.transcode(Buffer.from(tests.ucs2), 'ucs2', 'utf8');
  assert.strictEqual(dest.toString(), orig.toString());
}

{
  const utf8 = Buffer.from('€'.repeat(4000), 'utf8');
  const ucs2 = Buffer.from('€'.repeat(4000), 'ucs2');
  const utf8_to_ucs2 = buffer.transcode(utf8, 'utf8', 'ucs2');
  const ucs2_to_utf8 = buffer.transcode(ucs2, 'ucs2', 'utf8');
  assert.deepStrictEqual(utf8, ucs2_to_utf8);
  assert.deepStrictEqual(ucs2, utf8_to_ucs2);
  assert.strictEqual(ucs2_to_utf8.toString('utf8'),
                     utf8_to_ucs2.toString('ucs2'));
}

common.expectsError(
  () =&gt; buffer.transcode(null, 'utf8', 'ascii'),

graalvm / graaljs / test / parallel / test-icu-transcode.js View on Github

  () => buffer.transcode(Buffer.from('a'), 'b', 'utf8'),
  /^Error: Unable to transcode Buffer \[U_ILLEGAL_ARGUMENT_ERROR\]/

graalvm / graaljs / test / parallel / test-icu-transcode.js View on Github

const dest = buffer.transcode(orig, 'utf8', test);
  assert.strictEqual(dest.length, tests[test].length, `utf8-&gt;${test} length`);
  for (let n = 0; n &lt; tests[test].length; n++)
    assert.strictEqual(dest[n], tests[test][n], `utf8-&gt;${test} char ${n}`);
}

{
  const dest = buffer.transcode(Buffer.from(tests.ucs2), 'ucs2', 'utf8');
  assert.strictEqual(dest.toString(), orig.toString());
}

{
  const utf8 = Buffer.from('€'.repeat(4000), 'utf8');
  const ucs2 = Buffer.from('€'.repeat(4000), 'ucs2');
  const utf8_to_ucs2 = buffer.transcode(utf8, 'utf8', 'ucs2');
  const ucs2_to_utf8 = buffer.transcode(ucs2, 'ucs2', 'utf8');
  assert.deepStrictEqual(utf8, ucs2_to_utf8);
  assert.deepStrictEqual(ucs2, utf8_to_ucs2);
  assert.strictEqual(ucs2_to_utf8.toString('utf8'),
                     utf8_to_ucs2.toString('ucs2'));
}

common.expectsError(
  () =&gt; buffer.transcode(null, 'utf8', 'ascii'),
  {
    type: TypeError,
    code: 'ERR_INVALID_ARG_TYPE',
    message: 'The "source" argument must be one of type Buffer ' +
             'or Uint8Array. Received type object'
  }
);

graalvm / graaljs / test / parallel / test-icu-transcode.js View on Github

  () => buffer.transcode(Buffer.from('a'), 'uf8', 'b'),
  /^Error: Unable to transcode Buffer \[U_ILLEGAL_ARGUMENT_ERROR\]$/

graalvm / graaljs / test / parallel / test-icu-transcode.js View on Github

  () => buffer.transcode(null, 'utf8', 'ascii'),
  {

How to use the buffer.transcode function in buffer

To help you get started, we’ve selected a few buffer examples, based on popular ways it is used in public projects.

buffer

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