From ad647fd69b7577aa2ae567b74bcd3bba89c51118 Mon Sep 17 00:00:00 2001
From: jaymeans <monkeydzeke@protonmail.com>
Date: Thu, 20 Sep 2018 21:18:26 -0700
Subject: [PATCH] Changed to use Object.prototype.toString instead of
instanceOf for determining arrayness
---
papaparse.js | 25 +++++++++++++++----------
1 file changed, 15 insertions(+), 10 deletions(-)
diff --git a/papaparse.js b/papaparse.js
index 059ccbb..a945358 100755
--- a/papaparse.js
+++ b/papaparse.js
@@ -290,9 +290,9 @@
if (typeof _input === 'string')
_input = JSON.parse(_input);
- if (_input instanceof Array)
+ if (isArray(_input))
{
- if (!_input.length || _input[0] instanceof Array)
+ if (!_input.length || isArray(_input[0]))
return serialize(null, _input, _skipEmptyLines);
else if (typeof _input[0] === 'object')
return serialize(objectKeys(_input[0]), _input, _skipEmptyLines);
@@ -302,17 +302,17 @@
if (typeof _input.data === 'string')
_input.data = JSON.parse(_input.data);
- if (_input.data instanceof Array)
+ if (isArray(_input.data))
{
if (!_input.fields)
_input.fields = _input.meta && _input.meta.fields;
if (!_input.fields)
- _input.fields = _input.data[0] instanceof Array
+ _input.fields = isArray(_input.data[0])
? _input.fields
: objectKeys(_input.data[0]);
- if (!(_input.data[0] instanceof Array) && typeof _input.data[0] !== 'object')
+ if (!(isArray(_input.data[0])) && typeof _input.data[0] !== 'object')
_input.data = [_input.data]; // handles input like [1,2,3] or ['asdf']
}
@@ -335,7 +335,7 @@
}
if (typeof _config.quotes === 'boolean'
- || _config.quotes instanceof Array)
+ || isArray(_config.quotes))
_quotes = _config.quotes;
if (typeof _config.skipEmptyLines === 'boolean'
@@ -374,8 +374,8 @@
if (typeof data === 'string')
data = JSON.parse(data);
- var hasHeader = fields instanceof Array && fields.length > 0;
- var dataKeyedByField = !(data[0] instanceof Array);
+ var hasHeader = isArray(fields) && fields.length > 0;
+ var dataKeyedByField = !(isArray(data[0]));
// If there a header row, write it first
if (hasHeader && _writeHeader)
@@ -424,7 +424,7 @@
str = str.toString().replace(quoteCharRegex, _quoteChar + _quoteChar);
var needsQuotes = (typeof _quotes === 'boolean' && _quotes)
- || (_quotes instanceof Array && _quotes[col])
+ || (isArray(_quotes) && _quotes[col])
|| hasAny(str, Papa.BAD_DELIMITERS)
|| str.indexOf(_delimiter) > -1
|| str.charAt(0) === ' '
@@ -1778,7 +1778,7 @@
{
if (typeof obj !== 'object' || obj === null)
return obj;
- var cpy = obj instanceof Array ? [] : {};
+ var cpy = isArray(obj) ? [] : {};
for (var key in obj)
cpy[key] = copy(obj[key]);
return cpy;
@@ -1794,5 +1794,10 @@
return typeof func === 'function';
}
+ function isArray(obj)
+ {
+ return Object.prototype.toString.call(obj) === '[object Array]';
+ }
+
return Papa;
}));