106 lines
4.1 KiB
JSON
106 lines
4.1 KiB
JSON
{
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"_args": [
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[
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{
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"raw": "once@^1.3.0",
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"scope": null,
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"escapedName": "once",
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"name": "once",
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"rawSpec": "^1.3.0",
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"spec": ">=1.3.0 <2.0.0",
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"type": "range"
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},
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"/Volumes/2009-SSD/GT2/GT2-iOS/node_modules/glob"
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]
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],
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"_from": "once@>=1.3.0 <2.0.0",
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"_id": "once@1.4.0",
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"_inCache": true,
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"_location": "/once",
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"_nodeVersion": "6.5.0",
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"_npmOperationalInternal": {
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"host": "packages-12-west.internal.npmjs.com",
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"tmp": "tmp/once-1.4.0.tgz_1473196269128_0.537820661207661"
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},
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"_npmUser": {
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"name": "isaacs",
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"email": "i@izs.me"
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},
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"_npmVersion": "3.10.7",
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"_phantomChildren": {},
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"_requested": {
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"raw": "once@^1.3.0",
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"scope": null,
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"escapedName": "once",
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"name": "once",
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"rawSpec": "^1.3.0",
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"spec": ">=1.3.0 <2.0.0",
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"type": "range"
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},
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"_requiredBy": [
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"/glob",
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"/globby/glob",
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"/inflight",
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"/rimraf/glob",
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"/xdl/glob"
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],
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"_resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
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"_shasum": "583b1aa775961d4b113ac17d9c50baef9dd76bd1",
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"_shrinkwrap": null,
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"_spec": "once@^1.3.0",
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"_where": "/Volumes/2009-SSD/GT2/GT2-iOS/node_modules/glob",
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"author": {
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"name": "Isaac Z. Schlueter",
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"email": "i@izs.me",
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"url": "http://blog.izs.me/"
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},
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"bugs": {
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"url": "https://github.com/isaacs/once/issues"
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},
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"dependencies": {
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"wrappy": "1"
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},
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"description": "Run a function exactly one time",
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"devDependencies": {
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"tap": "^7.0.1"
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},
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"directories": {
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"test": "test"
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},
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"dist": {
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"shasum": "583b1aa775961d4b113ac17d9c50baef9dd76bd1",
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"tarball": "https://registry.npmjs.org/once/-/once-1.4.0.tgz"
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},
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"files": [
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"once.js"
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],
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"gitHead": "0e614d9f5a7e6f0305c625f6b581f6d80b33b8a6",
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"homepage": "https://github.com/isaacs/once#readme",
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"keywords": [
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"once",
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"function",
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"one",
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"single"
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],
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"license": "ISC",
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"main": "once.js",
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"maintainers": [
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{
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"name": "isaacs",
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"email": "i@izs.me"
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}
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],
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"name": "once",
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"optionalDependencies": {},
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"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\n## `once.strict(func)`\n\nThrow an error if the function is called twice.\n\nSome functions are expected to be called only once. Using `once` for them would\npotentially hide logical errors.\n\nIn the example below, the `greet` function has to call the callback only once:\n\n```javascript\nfunction greet (name, cb) {\n // return is missing from the if statement\n // when no name is passed, the callback is called twice\n if (!name) cb('Hello anonymous')\n cb('Hello ' + name)\n}\n\nfunction log (msg) {\n console.log(msg)\n}\n\n// this will print 'Hello anonymous' but the logical error will be missed\ngreet(null, once(msg))\n\n// once.strict will print 'Hello anonymous' and throw an error when the callback will be called the second time\ngreet(null, once.strict(msg))\n```\n",
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"readmeFilename": "README.md",
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"repository": {
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"type": "git",
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"url": "git://github.com/isaacs/once.git"
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},
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"scripts": {
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"test": "tap test/*.js"
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},
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"version": "1.4.0"
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}
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