| .. | ||
| dist-node | ||
| dist-src | ||
| dist-types | ||
| dist-web | ||
| LICENSE | ||
| package.json | ||
| README.md | ||
deprecation
Log a deprecation message with stack
Usage
| Browsers | 
 Load   | 
|---|---|
| Node | 
 Install with   | 
function foo() {
  bar();
}
function bar() {
  baz();
}
function baz() {
  console.warn(new Deprecation("[my-lib] foo() is deprecated, use bar()"));
}
foo();
// { Deprecation: [my-lib] foo() is deprecated, use bar()
//     at baz (/path/to/file.js:12:15)
//     at bar (/path/to/file.js:8:3)
//     at foo (/path/to/file.js:4:3)
To log a deprecation message only once, you can use the once module.
const Deprecation = require("deprecation");
const once = require("once");
const deprecateFoo = once(console.warn);
function foo() {
  deprecateFoo(new Deprecation("[my-lib] foo() is deprecated, use bar()"));
}
foo();
foo(); // logs nothing