[folding] Format large file unfold all code

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#319,286 0 comments 0 reactions 1 assignee View on GitHub

@aeschli is already working on this.

Since Jun 1, 2026.

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This issue has not been assessed yet.

Description

Version: 1.122.1 (user setup)
Commit: 8761a5560cfd65fdd19ce7e2bd18dab5c0a4d84e
Date: 2026-05-29T09:25:37+02:00
Electron: 39.8.8
ElectronBuildId: 13870025
Chromium: 142.0.7444.265
Node.js: 22.22.1
V8: 14.2.231.22-electron.0
OS: Windows_NT x64 10.0.26200

Steps to Reproduce:

  1. run below py to create example files
with open("example.js", "w") as f:
  f.write("const bigClass      = (function () {\n")
  for i in range(30):
    f.write(f"  function function{i}() {{\n")
    for j in range(100):
      f.write(f"    console.log('function{i} - line{j}');\n")
    f.write("  }\n")
  f.write("}());\n")

with open("example.py", "w") as f:
  f.write("def bigFunction       ():\n")
  for i in range(30):
    f.write(f"  def function{i}():\n")
    for j in range(100):
      f.write(f"    print('function{i} - line{j}')\n")
    f.write("\n")
  f.write("\n")
  1. run command "Fold level 2"
  2. format
  3. all code unfolded

python file:

  • cursor will move to end of the line
  • cant reproduce without run the script again (caching?)

js file:

  • cursor will move to end of the file
  • can reproduce by adding some extra spaces then format
Dominant language
TypeScript
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