202226701046 6c9d2a2519 fix 10 månader sedan
..
.github 6c9d2a2519 fix 10 månader sedan
.eslintrc 6c9d2a2519 fix 10 månader sedan
.nycrc 6c9d2a2519 fix 10 månader sedan
CHANGELOG.md 6c9d2a2519 fix 10 månader sedan
LICENSE 6c9d2a2519 fix 10 månader sedan
README.md 6c9d2a2519 fix 10 månader sedan
env.d.ts 6c9d2a2519 fix 10 månader sedan
env.js 6c9d2a2519 fix 10 månader sedan
index.d.ts 6c9d2a2519 fix 10 månader sedan
index.js 6c9d2a2519 fix 10 månader sedan
package.json 6c9d2a2519 fix 10 månader sedan
tsconfig.json 6c9d2a2519 fix 10 månader sedan

README.md

set-function-length Version Badge

github actions coverage License Downloads

npm badge

Set a function’s length.

Arguments:

  • fn: the function
  • length: the new length. Must be an integer between 0 and 2**32.
  • loose: Optional. If true, and the length fails to be set, do not throw. Default false.

Returns fn.

Usage

var setFunctionLength = require('set-function-length');
var assert = require('assert');

function zero() {}
function one(_) {}
function two(_, __) {}

assert.equal(zero.length, 0);
assert.equal(one.length, 1);
assert.equal(two.length, 2);

assert.equal(setFunctionLength(zero, 10), zero);
assert.equal(setFunctionLength(one, 11), one);
assert.equal(setFunctionLength(two, 12), two);

assert.equal(zero.length, 10);
assert.equal(one.length, 11);
assert.equal(two.length, 12);