mirror of https://github.com/zulip/zulip.git
719546641f
Babel polyfills this for us for Internet Explorer. import * as babelParser from "recast/parsers/babel"; import * as recast from "recast"; import * as tsParser from "recast/parsers/typescript"; import { builders as b, namedTypes as n } from "ast-types"; import K from "ast-types/gen/kinds"; import fs from "fs"; import path from "path"; import process from "process"; const checkExpression = (node: n.Node): node is K.ExpressionKind => n.Expression.check(node); for (const file of process.argv.slice(2)) { console.log("Parsing", file); const ast = recast.parse(fs.readFileSync(file, { encoding: "utf8" }), { parser: path.extname(file) === ".ts" ? tsParser : babelParser, }); let changed = false; recast.visit(ast, { visitBinaryExpression(path) { const { operator, left, right } = path.node; if ( n.CallExpression.check(left) && n.MemberExpression.check(left.callee) && !left.callee.computed && n.Identifier.check(left.callee.property) && left.callee.property.name === "indexOf" && left.arguments.length === 1 && checkExpression(left.arguments[0]) && ((["===", "!==", "==", "!=", ">", "<="].includes(operator) && n.UnaryExpression.check(right) && right.operator == "-" && n.Literal.check(right.argument) && right.argument.value === 1) || ([">=", "<"].includes(operator) && n.Literal.check(right) && right.value === 0)) ) { const test = b.callExpression( b.memberExpression(left.callee.object, b.identifier("includes")), [left.arguments[0]] ); path.replace( ["!==", "!=", ">", ">="].includes(operator) ? test : b.unaryExpression("!", test) ); changed = true; } this.traverse(path); }, }); if (changed) { console.log("Writing", file); fs.writeFileSync(file, recast.print(ast).code, { encoding: "utf8" }); } } Signed-off-by: Anders Kaseorg <anders@zulipchat.com> |
||
---|---|---|
.. | ||
__init__.py | ||
custom_check.py | ||
exclude.py | ||
pep8.py | ||
pyflakes.py |