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.eslintrc | ||
.nycrc | ||
CHANGELOG.md | ||
LICENSE | ||
README.md | ||
env.d.ts | ||
env.js | ||
index.d.ts | ||
index.js | ||
package.json | ||
tsconfig.json |
README.md
set-function-length
Set a function’s length.
Arguments:
fn
: the functionlength
: 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);