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Contents
{
"name": "once",
"version": "1.3.0",
"description": "Run a function exactly one time",
"main": "once.js",
"directories": {
"test": "test"
},
"dependencies": {},
"devDependencies": {
"tap": "~0.3.0"
},
"scripts": {
"test": "tap test/*.js"
},
"repository": {
"type": "git",
"url": "git://github.com/isaacs/once"
},
"keywords": [
"once",
"function",
"one",
"single"
],
"author": {
"name": "Isaac Z. Schlueter",
"email": "i@izs.me",
"url": "http://blog.izs.me/"
},
"license": "BSD",
"readme": "# once\n\nOnly call a function once.\n\n## usage\n\n```javascript\nvar once = require('once')\n\nfunction load (file, cb) {\n cb = once(cb)\n loader.load('file')\n loader.once('load', cb)\n loader.once('error', cb)\n}\n```\n\nOr add to the Function.prototype in a responsible way:\n\n```javascript\n// only has to be done once\nrequire('once').proto()\n\nfunction load (file, cb) {\n cb = cb.once()\n loader.load('file')\n loader.once('load', cb)\n loader.once('error', cb)\n}\n```\n\nIronically, the prototype feature makes this module twice as\ncomplicated as necessary.\n\nTo check whether you function has been called, use `fn.called`. Once the\nfunction is called for the first time the return value of the original\nfunction is saved in `fn.value` and subsequent calls will continue to\nreturn this value.\n\n```javascript\nvar once = require('once')\n\nfunction load (cb) {\n cb = once(cb)\n var stream = createStream()\n stream.once('data', cb)\n stream.once('end', function () {\n if (!cb.called) cb(new Error('not found'))\n })\n}\n```\n",
"readmeFilename": "README.md",
"bugs": {
"url": "https://github.com/isaacs/once/issues"
},
"homepage": "https://github.com/isaacs/once",
"_id": "once@1.3.0",
"_shasum": "151af86bfc1f08c4b9f07d06ab250ffcbeb56581",
"_from": "once@^1.3.0",
"_resolved": "https://registry.npmjs.org/once/-/once-1.3.0.tgz"
}
Version data entries
2 entries across 2 versions & 1 rubygems