commit: 1bc45b8b6c0c853e0f3d74346551fec0708c733d
parent b982d77d0b7bd21ead6d8b3210fd656881197453
Author: dirkf <fieldhouse@gmx.net>
Date: Tue, 25 Mar 2025 22:30:08 +0000
[JSInterp] Use `,` for join() with null/undefined argument
Eg: [1,2,3].join(null) -> '1,2,3'
Diffstat:
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/youtube_dl/jsinterp.py b/youtube_dl/jsinterp.py
@@ -1208,9 +1208,10 @@ class JSInterpreter(object):
elif member == 'join':
assertion(isinstance(obj, list), 'must be applied on a list')
assertion(len(argvals) <= 1, 'takes at most one argument')
- return (',' if len(argvals) == 0 else argvals[0]).join(
- ('' if x in (None, JS_Undefined) else _js_toString(x))
- for x in obj)
+ return (',' if len(argvals) == 0 or argvals[0] in (None, JS_Undefined)
+ else argvals[0]).join(
+ ('' if x in (None, JS_Undefined) else _js_toString(x))
+ for x in obj)
elif member == 'reverse':
assertion(not argvals, 'does not take any arguments')
obj.reverse()