better-assert
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better-assert

Better assertions for node, reporting the expr, filename, lineno etc

1.0.2  •  Updated 2 years ago  •  by TJ Holowaychuk  •  Unknown License

better-assert

Better c-style assertions using callsite for self-documenting failure messages.

Installation

$ npm install better-assert

Example

By default assertions are enabled, however the NO_ASSERT environment variable will deactivate them when truthy.

var assert = require('better-assert');

test();

function test() {
  var user = { name: 'tobi' };
  assert('tobi' == user.name);
  assert('number' == typeof user.age);
}

AssertionError: 'number' == typeof user.age
    at test (/Users/tj/projects/better-assert/example.js:9:3)
    at Object.<anonymous> (/Users/tj/projects/better-assert/example.js:4:1)
    at Module._compile (module.js:449:26)
    at Object.Module._extensions..js (module.js:467:10)
    at Module.load (module.js:356:32)
    at Function.Module._load (module.js:312:12)
    at Module.runMain (module.js:492:10)
    at process.startup.processNextTick.process._tickCallback (node.js:244:9)

License

(The MIT License)

Copyright © 2012 TJ Holowaychuk <tj@vision-media.ca>

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the ‘Software’), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED ‘AS IS’, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Popularity

Weekly Downloads
2.7M
Stars
273

Maintenance

Development

Last ver 5 years ago
Created 8 years ago
Last commit 3 years ago
3 months between commits

Technology

Node version: null
0 unpacked

Compliance

License Unknown
Not OSI Approved
0 vulnerabilities

Contributors

9 contributors
Tj Holowaychuk
Maintainer, 12 commits, 2 merges
Works at Apex
TonyAdo
Maintainer, 7 commits, 4 merges
Works at Alibaba Group
Forbes Lindesay
1 commits, 3 PRs
Works at ThreadsStyling
Takuya Matsuyama
1 commits, 1 PRs
Works at Freelancer
Mika Turunen
1 commits, 1 PRs
Konstantin Hantsov
1 commits, 1 PRs
Works at Cantemo

Dependencies

Tags

assert
stack
trace
debug
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