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| author | Alex Lam S.L <alexlamsl@gmail.com> | 2017-02-27 03:40:54 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-02-27 03:40:54 +0800 |
| commit | 872270b14986b2f24df406425eda5a3bf7a3b56a (patch) | |
| tree | 5acd0f153bd43f1199b2f280a86d0a95c314f2e2 /bin/uglifyjs | |
| parent | b1c593a0419bf5ef0c6849262cb23bb34c97ea80 (diff) | |
| download | tracifyjs-872270b14986b2f24df406425eda5a3bf7a3b56a.tar.gz tracifyjs-872270b14986b2f24df406425eda5a3bf7a3b56a.zip | |
improve error messages (#1506)
- better inheritance of `Error` sub-classes
- mark parse error against source in CLI
closes #235
closes #348
closes #524
closes #1356
closes #1405
Diffstat (limited to 'bin/uglifyjs')
| -rwxr-xr-x | bin/uglifyjs | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/bin/uglifyjs b/bin/uglifyjs index d0c3abb2..367d66e2 100755 --- a/bin/uglifyjs +++ b/bin/uglifyjs @@ -364,7 +364,21 @@ async.eachLimit(files, 1, function (file, cb) { } catch(ex) { if (ex instanceof UglifyJS.JS_Parse_Error) { print_error("Parse error at " + file + ":" + ex.line + "," + ex.col); - print_error(ex.message); + var col = ex.col; + var line = code.split(/\r?\n/)[ex.line - (col ? 1 : 2)]; + if (line) { + if (col > 40) { + line = line.slice(col - 40); + col = 40; + } + if (col) { + print_error(line.slice(0, 80)); + print_error(line.slice(0, col).replace(/\S/g, " ") + "^"); + } else { + print_error(line.slice(-40)); + print_error(line.slice(-40).replace(/\S/g, " ") + "^"); + } + } print_error(ex.stack); process.exit(1); } @@ -390,7 +404,7 @@ async.eachLimit(files, 1, function (file, cb) { var compressor = COMPRESS && UglifyJS.Compressor(COMPRESS); } catch(ex) { if (ex instanceof UglifyJS.DefaultsError) { - print_error(ex.msg); + print_error(ex.message); print_error("Supported options:"); print_error(sys.inspect(ex.defs)); process.exit(1); |