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x/deno/tools/lint.py

A modern runtime for JavaScript and TypeScript.
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#!/usr/bin/env python # Copyright 2018-2020 the Deno authors. All rights reserved. MIT license. # Does google-lint on c++ files and ts-lint on typescript files import os import sys import argparse from util import enable_ansi_colors, git_ls_files, git_staged, root_path, run from util import third_party_path, build_mode, print_command from third_party import python_env cmd_args = None def get_cmd_args(): global cmd_args if cmd_args: return cmd_args parser = argparse.ArgumentParser() parser.add_argument("--js", help="run eslint", action="store_true") parser.add_argument("--py", help="run pylint", action="store_true") parser.add_argument("--rs", help="run clippy", action="store_true") parser.add_argument( "--staged", help="run only on staged files", action="store_true") cmd_args = parser.parse_args() return cmd_args def get_sources(*args): getter = git_staged if get_cmd_args().staged else git_ls_files return getter(*args) def main(): enable_ansi_colors() os.chdir(root_path) args = get_cmd_args() did_fmt = False if args.js: eslint() did_fmt = True if args.py: pylint() did_fmt = True if args.rs: clippy() did_fmt = True if not did_fmt: eslint() pylint() clippy() def eslint(): script = os.path.join(third_party_path, "node_modules", "eslint", "bin", "eslint") # Find all *directories* in the main repo that contain .ts/.js files. source_files = get_sources(root_path, [ "*.js", "*.ts", ":!:cli/tests/swc_syntax_error.ts", ":!:std/**/testdata/*", ":!:std/**/node_modules/*", ":!:cli/compilers/wasm_wrap.js", ":!:cli/tests/error_syntax.js", ":!:cli/tests/lint/**", ":!:cli/tests/encoding/**", ":!:cli/dts/**", ":!:cli/tsc/*typescript.js", ]) if source_files: max_command_len = 30000 pre_command = ["node", script, "--max-warnings=0", "--"] chunks = [[]] cmd_len = len(" ".join(pre_command)) for f in source_files: if cmd_len + len(f) > max_command_len: chunks.append([f]) cmd_len = len(" ".join(pre_command)) else: chunks[-1].append(f) cmd_len = cmd_len + len(f) + 1 for c in chunks: print_command("eslint", c) # Set NODE_PATH so we don't have to maintain a symlink in root_path. env = os.environ.copy() env["NODE_PATH"] = os.path.join(root_path, "third_party", "node_modules") run(pre_command + c, shell=False, env=env, quiet=True) def pylint(): script = os.path.join(third_party_path, "python_packages", "pylint") rcfile = os.path.join(root_path, "tools", "pylintrc") msg_template = "{path}({line}:{column}) {category}: {msg} ({symbol})" source_files = get_sources(root_path, ["*.py"]) if source_files: print_command("pylint", source_files) run([ sys.executable, script, "--rcfile=" + rcfile, "--msg-template=" + msg_template, "--" ] + source_files, env=python_env(), shell=False, quiet=True) def clippy(): print "clippy" current_build_mode = build_mode() args = ["cargo", "clippy", "--all-targets", "--locked"] if current_build_mode != "debug": args += ["--release"] run(args + ["--", "-D", "clippy::all"], shell=False, quiet=True) if __name__ == "__main__": sys.exit(main())