mirror of
https://github.com/zulip/zulip.git
synced 2025-11-04 05:53:43 +00:00
31afa36d7b
This takes stacktrace lines that used to look like this: n@https://chat.zulip.org/static/webpack-bundles/app.2385793af60f0b082ee9.js:1:12680 = webpack:///./static/js/blueslip.js line 241 column 1 dispatch@https://chat.zulip.org/static/webpack-bundles/app.2385793af60f0b082ee9.js:52:37878 = webpack:////srv/zulip-npm-cache/8ea4cd291dd23441aec0f298b77b6ddc0d0a7a56/node_modules/jquery/dist/jquery.js line 5182 column 1 to have the even-numbered lines look like this: = ./static/js/blueslip.js line 241 column 1 dispatch@https://chat.zulip.org/static/webpack-bundles/app.2385793af60f0b082ee9.js:52:37878 = /srv/zulip-npm-cache/8ea4cd291dd23441aec0f298b77b6ddc0d0a7a56/node_modules/jquery/dist/jquery.js line 5182 column 1
55 lines
2.2 KiB
Python
55 lines
2.2 KiB
Python
|
|
import re
|
|
import os
|
|
import sourcemap
|
|
|
|
from typing import Dict, List
|
|
|
|
|
|
class SourceMap:
|
|
'''Map (line, column) pairs from generated to source file.'''
|
|
|
|
def __init__(self, sourcemap_dirs: List[str]) -> None:
|
|
self._dirs = sourcemap_dirs
|
|
self._indices = {} # type: Dict[str, sourcemap.SourceMapDecoder]
|
|
|
|
def _index_for(self, minified_src: str) -> sourcemap.SourceMapDecoder:
|
|
'''Return the source map index for minified_src, loading it if not
|
|
already loaded.'''
|
|
if minified_src not in self._indices:
|
|
for source_dir in self._dirs:
|
|
filename = os.path.join(source_dir, minified_src + '.map')
|
|
if os.path.isfile(filename):
|
|
with open(filename) as fp:
|
|
self._indices[minified_src] = sourcemap.load(fp)
|
|
break
|
|
|
|
return self._indices[minified_src]
|
|
|
|
def annotate_stacktrace(self, stacktrace: str) -> str:
|
|
out = '' # type: str
|
|
for ln in stacktrace.splitlines():
|
|
out += ln + '\n'
|
|
match = re.search(r'/static/(?:webpack-bundles|min)/(.+)(\.[\.0-9a-f]+\.js):(\d+):(\d+)', ln)
|
|
if match:
|
|
# Get the appropriate source map for the minified file.
|
|
minified_src = match.groups()[0] + match.groups()[1]
|
|
index = self._index_for(minified_src)
|
|
|
|
gen_line, gen_col = list(map(int, match.groups()[2:4]))
|
|
# The sourcemap lib is 0-based, so subtract 1 from line and col.
|
|
try:
|
|
result = index.lookup(line=gen_line-1, column=gen_col-1)
|
|
display_src = result.src
|
|
webpack_prefix = "webpack:///"
|
|
if display_src.startswith(webpack_prefix):
|
|
display_src = display_src[len(webpack_prefix):]
|
|
out += (' = %s line %d column %d\n' %
|
|
(display_src, result.src_line+1, result.src_col+1))
|
|
except IndexError:
|
|
out += ' [Unable to look up in source map]\n'
|
|
|
|
if ln.startswith(' at'):
|
|
out += '\n'
|
|
return out
|