motion
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motion - moving development forward
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"author": {
"email": "mail@substack.net",
"name": "James Halliday",
"url": "http://substack.net"
},
"bugs": {
"url": "https://github.com/substack/defined/issues"
},
"dependencies": {},
"description": "return the first argument that is `!== undefined`",
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"example": "example",
"test": "test"
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"homepage": "https://github.com/substack/defined",
"keywords": [
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"license": "MIT",
"main": "index.js",
"name": "defined",
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"readme": "# defined\n\nreturn the first argument that is `!== undefined`\n\n[](http://ci.testling.com/substack/defined)\n\n[](http://travis-ci.org/substack/defined)\n\nMost of the time when I chain together `||`s, I actually just want the first\nitem that is not `undefined`, not the first non-falsy item.\n\nThis module is like the defined-or (`//`) operator in perl 5.10+.\n\n# example\n\n``` js\nvar defined = require('defined');\nvar opts = { y : false, w : 4 };\nvar x = defined(opts.x, opts.y, opts.w, 100);\nconsole.log(x);\n```\n\n```\n$ node example/defined.js\nfalse\n```\n\nThe return value is `false` because `false` is the first item that is\n`!== undefined`.\n\n# methods\n\n``` js\nvar defined = require('defined')\n```\n\n## var x = defined(a, b, c...)\n\nReturn the first item in the argument list `a, b, c...` that is `!== undefined`.\n\nIf all the items are `=== undefined`, return undefined.\n\n# install\n\nWith [npm](https://npmjs.org) do:\n\n```\nnpm install defined\n```\n\n# license\n\nMIT\n",
"readmeFilename": "readme.markdown",
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"url": "git://github.com/substack/defined.git"
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