ICE when compiling a *.d.ts file #10502
Description
Bug Report
Current Behavior
An exception is thrown when attempting to transform a *.d.ts file here: https://github.com/babel/babel/blob/master/packages/babel-plugin-transform-typescript/src/index.js#L142
TypeError: Cannot read property 'name' of null
at PluginPass.Program (node_modules/@babel/plugin-transform-typescript/lib/index.js:167:57)
at newFn (node_modules/@babel/traverse/lib/visitors.js:195:21)
at NodePath._call (node_modules/@babel/traverse/lib/path/context.js:53:20)
at NodePath.call (node_modules/@babel/traverse/lib/path/context.js:40:17)
at NodePath.visit (node_modules/@babel/traverse/lib/path/context.js:88:12)
at TraversalContext.visitQueue (node_modules/@babel/traverse/lib/context.js:120:16)
at TraversalContext.visitSingle (node_modules/@babel/traverse/lib/context.js:92:19)
at TraversalContext.visit (node_modules/@babel/traverse/lib/context.js:148:19)
at Function.traverse.node (node_modules/@babel/traverse/lib/index.js:96:17)
at traverse (node_modules/@babel/traverse/lib/index.js:78:12)
Input Code
export default function<T>(x: T): T;Expected behavior/code
Babel should not process *.d.ts files, or should give a better error.
Babel Configuration (.babelrc, package.json, cli command)
{
"presets": [["@babel/preset-env", { "targets": { "node": 10 } }], "@babel/preset-typescript"],
"plugins": ["babel-plugin-macros"]
}Environment
- Babel version(s): [e.g. v6.0.0, v7.0.0-beta.34]
- Node 10 / Yarn 1.17.3
- OS: MacOS 10.14.6
- Monorepo: yes: yarn workspace
- How you are using Babel: cli:
./node_modules/.bin/babel -d lib -x '.ts' src
Possible Solution
When I add this to my config, it works:
{
...
"ignore": ["src/dbg.macro.d.ts"]
}
Additional context/Screenshots
Add any other context about the problem here. If applicable, add screenshots to help explain.