def cascade(args):
mapunder = create_from_json(args.mapunder.read())
mapover = create_from_json(args.mapover.read())
mapunder.sourceRoot = absolute_sourceRoot(args.mapunder.name, mapunder.sourceRoot)
mapover.sourceRoot = absolute_sourceRoot(args.mapover.name, mapover.sourceRoot)
resultmap = cascade_sourcemaps(mapunder, mapover)
resultmap.sourceRoot, resultmap.sources = root_paths([
relpath( source, start=abspath(dirname(args.outmap.name)) ) \
for source in resultmap.sources
])
args.outmap.write(resultmap.dump())
if args.fixmapurl is not None:
rcode_lines = args.fixmapurl.readlines()
try:
_, markerline = discover_sourcemap(rcode_lines, return_line_number=True)
rcode_lines.pop(markerline)
args.fixmapurl.seek(0) # rewrite file to remove old url
args.fixmapurl.truncate()
args.fixmapurl.writelines(rcode_lines)
except IndexError:
pass
args.fixmapurl.write('//# sourceMappingURL={}'.format(
relpath( args.outmap.name, start=dirname(args.fixmapurl.name) )
))
def concat(args):
result_code = []
smaplist = []
for fconfig in args.file:
code_lines = fconfig['file'].readlines()
try:
mapurl, markerline = discover_sourcemap(code_lines, return_line_number=True)
code_lines.pop(markerline) # remove sourcemap url marker from code
except IndexError:
mapurl, markerline = None, None # sourcemap not detected
mappath = None
if 'map' in fconfig:
mappath = fconfig['map'] # direct setting sourcemap path
else:
if mapurl is not None:
mappath = filepath_relative_to_file(fconfig['file'].name, mapurl)
if mappath is not None:
# sourcemap file exists
with open(mappath, 'r') as f:
smap = create_from_json(f.read())
if markerline is not None:
try:
smap.lines.pop(markerline) # deleting same line from sourcemap too
except IndexError:
pass
if len(smap.lines) > len(code_lines):
raise ValueError('Sourcemap for file {} contains more lines than original code'.format(fconfig['file'].name))
while len(smap.lines) < len(code_lines):
smap.lines.append([])
smap.sourceRoot = absolute_sourceRoot(mappath, smap.sourceRoot)
elif fconfig.get('lexer', None) is not None:
smap = ( abspath(fconfig['file'].name), lex(code_lines, fconfig['lexer']) )
else:
smap = len(code_lines)
result_code.extend(code_lines)
smaplist.append(smap)
mergedmap = concat_sourcemaps(*smaplist)
mergedmap.sourceRoot, mergedmap.sources = root_paths([
relpath( source, start=abspath(dirname(args.outmap.name)) ) \
for source in mergedmap.sources
])
args.outmap.write(mergedmap.dump())
args.outfile.writelines(result_code)
args.outfile.write('//# sourceMappingURL={}'.format(
relpath( args.outmap.name, start=dirname(args.outfile.name) )
))
def lookup(args):
if args.mapfile:
mapname = args.mapfile
else:
mapname = filepath_relative_to_file(args.file.name, discover_sourcemap(args.file))
with open(mapname, 'r') as mapfile:
mp = create_from_json(mapfile.read())
try:
lk = mp.lookup(args.line, args.column)
except IndexError:
exit(1) # if position not found
sourcename = filepath_relative_to_file(mapname, lk['source'])
if not args.showcode:
print('{} {} {}'.format(sourcename, lk['line'], lk['column']))
else:
print_near(sourcename, lk['line'], lk['column'])