1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
#!/usr/bin/python3
# © 2022 mirabilos <t.glaser@tarent.de> Ⓕ MIT
import base64
import json
import re
import sys
_linefmt = '//# %s%s\n'
_smap = re.compile('^(?://# |(?P<iscss>/\\*# ))sourceMappingURL=data:application/json(?:;charset[=:](?i:iso-ir-6|ANSI_X3\\.4-19[68][86]|ISO_646\\.irv:1991|ISO646-US|(?:US-|cs)?ASCII|us|(?:IBM|cp)367|(?:cs)?utf-?8))?;base64,(?P<b64>(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}[A-Za-z0-9+/=]=)?)(?(iscss) \\*/)\n?$', re.ASCII)
if len(sys.argv) == 2 and sys.argv[1] == '--test':
rv = 0
def t(s, css=False):
global rv
m = _smap.match(s)
if m is None:
print('no match', s)
rv = 1
return
hascss = m.group('iscss') is not None
if hascss != css:
print('bogus css', hascss, s)
rv = 1
print('got b64', m.group('b64'))
def f(s):
global rv
if _smap.match(s) is not None:
print('bogus match', s)
rv = 1
t('//# sourceMappingURL=data:application/json;base64,')
t('//# sourceMappingURL=data:application/json;base64,eh==')
t('//# sourceMappingURL=data:application/json;base64,foo=')
t('//# sourceMappingURL=data:application/json;base64,Zm9v')
t('//# sourceMappingURL=data:application/json;base64,Zm9veh==')
t('//# sourceMappingURL=data:application/json;base64,Zm9vfoo=')
t('//# sourceMappingURL=data:application/json;base64,Zm9vYmFy\n')
t('//# sourceMappingURL=data:application/json;charset=iso-ir-6;base64,foo=')
t('//# sourceMappingURL=data:application/json;charset=ANSI_X3.4-1968;base64,foo=')
t('//# sourceMappingURL=data:application/json;charset=ANSI_X3.4-1986;base64,foo=')
t('//# sourceMappingURL=data:application/json;charset=ISO_646.irv:1991;base64,foo=')
t('//# sourceMappingURL=data:application/json;charset=ISO646-US;base64,foo=')
t('//# sourceMappingURL=data:application/json;charset=US-ASCII;base64,foo=')
t('//# sourceMappingURL=data:application/json;charset=us;base64,foo=')
t('//# sourceMappingURL=data:application/json;charset=IBM367;base64,foo=')
t('//# sourceMappingURL=data:application/json;charset=cp367;base64,foo=')
t('//# sourceMappingURL=data:application/json;charset=csASCII;base64,foo=')
t('//# sourceMappingURL=data:application/json;charset=UTF-8;base64,foo=')
t('//# sourceMappingURL=data:application/json;charset=csUTF8;base64,foo=')
t('//# sourceMappingURL=data:application/json;charset:utf8;base64,foo=')
t('//# sourceMappingURL=data:application/json;charset:ascii;base64,foo=')
t('/*# sourceMappingURL=data:application/json;base64,css= */', css=True)
f('//# sourceMappingURL=data:application/json;charset:latin1;base64,foo=')
f('//# sourceMappingURL=data:application/json;charset:ascii;base64,foo')
f('//# sourceMappingURL=data:application/json;charset:ascii;base64,foo-')
f('//# sourceMappingURL=data:application/json;base64,Zm9vYmFy\r\n')
print('test finished')
sys.exit(rv)
if len(sys.argv) == 4:
smapname = sys.argv[3]
elif len(sys.argv) == 5:
smapname = sys.argv[4]
else:
sys.stderr.write('E: syntax: python3 smap-out.py in.js out.js out.map [maplink]\n')
sys.exit(1)
with open(sys.argv[1], 'r') as f:
lines = f.readlines()
if lines[-1].find('sourceMappingURL=') == -1:
sys.stderr.write('E: file does not contain a source map\n')
sys.exit(1)
smap = _smap.match(lines[-1])
if smap is None:
sys.stderr.write('E: incomprehensible source map\n')
sys.exit(1)
lines.pop()
if smap.group('iscss') is not None:
_linefmt = '/*# %s%s */\n'
smap = smap.group('b64')
smap = base64.b64decode(smap.rstrip('\n'), validate=True).decode('UTF-8')
smap = json.loads(smap)
# clear "file" key as browserify writes the wrong one and it’s optional anyway
smap.pop('file', None)
with open(sys.argv[3], 'w') as f:
json.dump(smap, f, ensure_ascii=False, allow_nan=False,
indent=2, separators=(',', ': '))
f.write('\n')
while lines[-1] == '\n':
lines.pop()
if not lines[-1].endswith('\n'):
lines.append('\n')
lines.append(_linefmt % ('sourceMappingURL=', smapname))
with open(sys.argv[2], 'w') as f:
f.writelines(lines)
|
