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fs: use process.emitWarning to print deprecation warning

Use process.emitWarning() instead of the internal printDeprecationMessage
in order to avoid use of an internal only API.

PR-URL: #8166
Reviewed-By: Сковорода Никита Андреевич <chalkerx@gmail.com>
Reviewed-By: Myles Borins <myles.borins@gmail.com>
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jasnell committed Aug 18, 2016
1 parent 15eaba9 commit b50557b51b3a2296b94fe1566e88d56fa2f44ebc
Showing with 15 additions and 9 deletions.
  1. +15 −9 lib/fs.js
@@ -43,7 +43,6 @@ const isWindows = process.platform === 'win32';
const DEBUG = process.env.NODE_DEBUG && /fs/.test(process.env.NODE_DEBUG);
const errnoException = util._errnoException;
const printDeprecation = require('internal/util').printDeprecationMessage;
function throwOptionsError(options) {
throw new TypeError('Expected options to be either an object or a string, ' +
@@ -613,10 +612,14 @@ var readWarned = false;
fs.read = function(fd, buffer, offset, length, position, callback) {
if (!(buffer instanceof Buffer)) {
// legacy string interface (fd, length, position, encoding, callback)
readWarned = printDeprecation('fs.read\'s legacy String interface ' +
'is deprecated. Use the Buffer API as ' +
'mentioned in the documentation instead.',
readWarned);
if (!readWarned) {
readWarned = true;
process.emitWarning(
'fs.read\'s legacy String interface is deprecated. Use the Buffer ' +
'API as mentioned in the documentation instead.',
'DeprecationWarning');
}
const cb = arguments[4];
const encoding = arguments[3];
@@ -673,10 +676,13 @@ fs.readSync = function(fd, buffer, offset, length, position) {
if (!(buffer instanceof Buffer)) {
// legacy string interface (fd, length, position, encoding, callback)
readSyncWarned = printDeprecation('fs.readSync\'s legacy String interface' +
'is deprecated. Use the Buffer API as ' +
'mentioned in the documentation instead.',
readSyncWarned);
if (!readSyncWarned) {
readSyncWarned = true;
process.emitWarning(
'fs.readSync\'s legacy String interface is deprecated. Use the ' +
'Buffer API as mentioned in the documentation instead.',
'DeprecationWarning');
}
legacy = true;
encoding = arguments[3];

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