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doc: fix domains example

Need `utf8` encoding for JSON.parse and fix to avoid JSON.parse error when only
one argument is passed in domain.bind
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Shigeki Ohtsu authored and bnoordhuis committed Jul 30, 2012
1 parent b3cf3f3 commit 5b37da2ac0a7ed16e109d11899cfe0cac21fa378
Showing with 3 additions and 3 deletions.
  1. +3 −3 doc/api/domain.markdown
@@ -198,9 +198,9 @@ thrown will be routed to the domain's `error` event.
var d = domain.create();

function readSomeFile(filename, cb) {
fs.readFile(filename, d.bind(function(er, data) {
fs.readFile(filename, 'utf8', d.bind(function(er, data) {
// if this throws, it will also be passed to the domain
return cb(er, JSON.parse(data));
return cb(er, data ? JSON.parse(data) : null);
}));
}

@@ -227,7 +227,7 @@ with a single error handler in a single place.
var d = domain.create();

function readSomeFile(filename, cb) {
fs.readFile(filename, d.intercept(function(data) {
fs.readFile(filename, 'utf8', d.intercept(function(data) {
// note, the first argument is never passed to the
// callback since it is assumed to be the 'Error' argument
// and thus intercepted by the domain.

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