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fastmod

 
A fast partial replacement for the codemod tool, replace and replace all in the whole codebase. Regexes are matched by Rust regex crate. More information: https://github.com/facebookincubator/fastmod.
 
  • Replace a regex pattern in all files of the current directory, ignoring files on .ignore and .gitignore:
     
    fastmod {{regex_pattern}} {{replacement}}
     
  • Replace a regex pattern in case-insensitive mode in specific files or directories:
     
    fastmod --ignore-case {{regex_pattern}} {{replacement}} -- {{path/to/file path/to/directory ...}}
     
  • Replace a regex pattern in in a specific directory files filtered with a case-insensitive glob pattern:
     
    fastmod {{regex}} {{replacement}} --dir {{path/to/directory}} --iglob {{'**/*.{js,json}'}}
     
  • Replace for an exact string in .js or .json files:
     
    fastmod --fixed-strings {{exact_string}} {{replacement}} --extensions {{json,js}}
     
  • Replace for an exact string without prompt for a confirmation (disables regular expressions):
     
    fastmod --accept-all --fixed-strings {{exact_string}} {{replacement}}
     
  • Replace for an exact string without prompt for a confirmation, printing changed files:
     
    fastmod --accept-all --print-changed-files --fixed-strings {{exact_string}} {{replacement}}

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