@jcoreio/babel-plugin-transform-define
v1.2.1
Published
Babel plugin that replaces member expressions and typeof statements with strings
Downloads
13
Readme
Quick Start
npm install babel-plugin-transform-define
.babelrc
{
"plugins": [
["transform-define", {
"process.env.NODE_ENV": "production",
"typeof window": "object"
}]
]
}
.babelrc
{
"plugins": [
["transform-define", "./path/to/config/file.js"]
]
}
Note: Paths are relative to `process.cwd()``
Reference Documentation
babel-plugin-transform-define
can transform certain types of code as a babel transformation.
#####Identifiers
.babelrc
{
"plugins": [
["transform-define", {
"VERSION": "1.0.0",
}]
]
}
Source Code
VERSION;
window.__MY_COMPANY__ = {
version: VERSION
};
Output Code
"1.0.0";
window.__MY_COMPANY__ = {
version: "1.0.0"
};
#####Member Expressions
.babelrc
{
"plugins": [
["transform-define", {
"process.env.NODE_ENV": "production"
}]
]
}
Source Code
if (process.env.NODE_ENV === "production") {
console.log(true);
}
Output Code
if (true) {
console.log(true);
}
#####Unary Expressions
.babelrc
{
"plugins": [
["transform-define", {
"typeof window": "object"
}]
]
}
Source Code
typeof window;
typeof window === "object";
Output Code
'object';
true;