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Callback wrapping utility

License: ISC License

JavaScript 100.00%

npm-cli

wrappy's Introduction

wrappy

Callback wrapping utility

USAGE

var wrappy = require("wrappy")

// var wrapper = wrappy(wrapperFunction)

// make sure a cb is called only once
// See also: http://npm.im/once for this specific use case
var once = wrappy(function (cb) {
  var called = false
  return function () {
    if (called) return
    called = true
    return cb.apply(this, arguments)
  }
})

function printBoo () {
  console.log('boo')
}
// has some rando property
printBoo.iAmBooPrinter = true

var onlyPrintOnce = once(printBoo)

onlyPrintOnce() // prints 'boo'
onlyPrintOnce() // does nothing

// random property is retained!
assert.equal(onlyPrintOnce.iAmBooPrinter, true)

wrappy's People

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wrappy's Issues

Error: Cannot find module 'wrappy'

Hello,

I am really struggling with this one, I emailed the community at npm, but no reply.
When installing Node.js on windows 10 pro 64 bit and type npm -v in the command I get the below error:

module.js:471
    throw err;
    ^

Error: Cannot find module 'wrappy'
    at Function.Module._resolveFilename (module.js:469:15)
    at Function.Module._load (module.js:417:25)
    at Module.require (module.js:497:17)
    at require (internal/module.js:20:19)
    at Object.<anonymous> (C:\Users\Benny\AppData\Roaming\npm\node_modules\npm\node_modules\once\once.js:1:76)
    at Module._compile (module.js:570:32)
    at Object.Module._extensions..js (module.js:579:10)
    at Module.load (module.js:487:32)
    at tryModuleLoad (module.js:446:12)
    at Function.Module._load (module.js:438:3)

Any idea why please? Noone has been able to help me at the moment.

I uninstalled, reinstalled Node.js, tried really everything I could, same error again and again.

Thank you!

`Cannot read property 'find' of undefined` when installing wrappy.

I first encountered this error when trying to install grunt-cli and looking at the logs traced it back to when npm is trying to install wrappy. It's only been an issue since upgrading to Node 8 / NPM 5.0.1

When trying to install wrappy, I'm encountering the following error:

➜  project git:(alpha) npm install -g grunt-cli                   
npm ERR! Cannot read property 'find' of undefined

npm ERR! A complete log of this run can be found in:
npm ERR!     /Users/jasonshultz/.npm/_logs/2017-06-02T12_50_10_206Z-debug.log
➜  project git:(alpha) npm install -g wrappy
added 1 package in 37.495s
➜  project git:(alpha)

The error is happening around line 246:

0 info it worked if it ends with ok
1 verbose cli [ '/usr/local/bin/node',
1 verbose cli   '/usr/local/bin/npm',
1 verbose cli   'install',
1 verbose cli   '-g',
1 verbose cli   'grunt-cli' ]
2 info using [email protected]
3 info using [email protected]
4 silly install loadCurrentTree
5 silly install readGlobalPackageData
6 http fetch GET 304 https://registry.npmjs.org/grunt-cli 202ms (from cache)
7 silly pacote tag manifest for grunt-cli@latest fetched in 235ms
8 silly install loadIdealTree
9 silly install cloneCurrentTreeToIdealTree
10 silly install loadShrinkwrap
11 silly install loadAllDepsIntoIdealTree
12 silly resolveWithNewModule [email protected] checking installable status
13 http fetch GET 304 https://registry.npmjs.org/grunt-known-options 84ms (from cache)
14 silly pacote range manifest for grunt-known-options@~1.1.0 fetched in 88ms
15 silly resolveWithNewModule [email protected] checking installable status
16 http fetch GET 304 https://registry.npmjs.org/nopt 126ms (from cache)
17 silly pacote range manifest for nopt@~3.0.6 fetched in 129ms
18 silly resolveWithNewModule [email protected] checking installable status
19 http fetch GET 304 https://registry.npmjs.org/resolve 316ms (from cache)
20 silly pacote range manifest for resolve@~1.1.0 fetched in 322ms
21 silly resolveWithNewModule [email protected] checking installable status
22 http fetch GET 304 https://registry.npmjs.org/findup-sync 337ms (from cache)
23 silly pacote range manifest for findup-sync@~0.3.0 fetched in 339ms
24 silly resolveWithNewModule [email protected] checking installable status
25 http fetch GET 304 https://registry.npmjs.org/glob 80ms (from cache)
26 silly pacote range manifest for glob@~5.0.0 fetched in 92ms
27 silly resolveWithNewModule [email protected] checking installable status
28 http fetch GET 304 https://registry.npmjs.org/inflight 92ms (from cache)
29 http fetch GET 304 https://registry.npmjs.org/inherits 92ms (from cache)
30 silly pacote range manifest for inherits@2 fetched in 94ms
31 silly resolveWithNewModule [email protected] checking installable status
32 silly pacote range manifest for inflight@^1.0.4 fetched in 95ms
33 silly resolveWithNewModule [email protected] checking installable status
34 http fetch GET 304 https://registry.npmjs.org/once 94ms (from cache)
35 http fetch GET 304 https://registry.npmjs.org/minimatch 96ms (from cache)
36 silly pacote range manifest for once@^1.3.0 fetched in 96ms
37 silly resolveWithNewModule [email protected] checking installable status
38 silly pacote range manifest for minimatch@2 || 3 fetched in 98ms
39 silly resolveWithNewModule [email protected] checking installable status
40 http fetch GET 304 https://registry.npmjs.org/path-is-absolute 114ms (from cache)
41 silly pacote range manifest for path-is-absolute@^1.0.0 fetched in 115ms
42 silly resolveWithNewModule [email protected] checking installable status
43 http fetch GET 304 https://registry.npmjs.org/wrappy 79ms (from cache)
44 silly pacote range manifest for wrappy@1 fetched in 81ms
45 silly resolveWithNewModule [email protected] checking installable status
46 http fetch GET 304 https://registry.npmjs.org/brace-expansion 306ms (from cache)
47 silly pacote range manifest for brace-expansion@^1.1.7 fetched in 307ms
48 silly resolveWithNewModule [email protected] checking installable status
49 http fetch GET 304 https://registry.npmjs.org/balanced-match 82ms (from cache)
50 http fetch GET 304 https://registry.npmjs.org/concat-map 82ms (from cache)
51 silly pacote version manifest for [email protected] fetched in 84ms
52 silly resolveWithNewModule [email protected] checking installable status
53 silly pacote range manifest for balanced-match@^0.4.1 fetched in 84ms
54 silly resolveWithNewModule [email protected] checking installable status
55 http fetch GET 304 https://registry.npmjs.org/abbrev 77ms (from cache)
56 silly pacote range manifest for abbrev@1 fetched in 78ms
57 silly resolveWithNewModule [email protected] checking installable status
58 silly currentTree lib
59 silly idealTree lib
59 silly idealTree └─┬ [email protected]
59 silly idealTree   ├── [email protected]
59 silly idealTree   ├── [email protected]
59 silly idealTree   ├── [email protected]
59 silly idealTree   ├── [email protected]
59 silly idealTree   ├── [email protected]
59 silly idealTree   ├── [email protected]
59 silly idealTree   ├── [email protected]
59 silly idealTree   ├── [email protected]
59 silly idealTree   ├── [email protected]
59 silly idealTree   ├── [email protected]
59 silly idealTree   ├── [email protected]
59 silly idealTree   ├── [email protected]
59 silly idealTree   ├── [email protected]
59 silly idealTree   ├── [email protected]
59 silly idealTree   └── [email protected]
60 silly install generateActionsToTake
61 silly diffTrees action count 16
62 silly diffTrees add [email protected]
63 silly diffTrees add [email protected]
64 silly diffTrees add [email protected]
65 silly diffTrees add [email protected]
66 silly diffTrees add [email protected]
67 silly diffTrees add [email protected]
68 silly diffTrees add [email protected]
69 silly diffTrees add [email protected]
70 silly diffTrees add [email protected]
71 silly diffTrees add [email protected]
72 silly diffTrees add [email protected]
73 silly diffTrees add [email protected]
74 silly diffTrees add [email protected]
75 silly diffTrees add [email protected]
76 silly diffTrees add [email protected]
77 silly diffTrees add [email protected]
78 silly decomposeActions action count 128
79 silly decomposeActions fetch [email protected]
80 silly decomposeActions extract [email protected]
81 silly decomposeActions preinstall [email protected]
82 silly decomposeActions build [email protected]
83 silly decomposeActions install [email protected]
84 silly decomposeActions postinstall [email protected]
85 silly decomposeActions finalize [email protected]
86 silly decomposeActions refresh-package-json [email protected]
87 silly decomposeActions fetch [email protected]
88 silly decomposeActions extract [email protected]
89 silly decomposeActions preinstall [email protected]
90 silly decomposeActions build [email protected]
91 silly decomposeActions install [email protected]
92 silly decomposeActions postinstall [email protected]
93 silly decomposeActions finalize [email protected]
94 silly decomposeActions refresh-package-json [email protected]
95 silly decomposeActions fetch [email protected]
96 silly decomposeActions extract [email protected]
97 silly decomposeActions preinstall [email protected]
98 silly decomposeActions build [email protected]
99 silly decomposeActions install [email protected]
100 silly decomposeActions postinstall [email protected]
101 silly decomposeActions finalize [email protected]
102 silly decomposeActions refresh-package-json [email protected]
103 silly decomposeActions fetch [email protected]
104 silly decomposeActions extract [email protected]
105 silly decomposeActions preinstall [email protected]
106 silly decomposeActions build [email protected]
107 silly decomposeActions install [email protected]
108 silly decomposeActions postinstall [email protected]
109 silly decomposeActions finalize [email protected]
110 silly decomposeActions refresh-package-json [email protected]
111 silly decomposeActions fetch [email protected]
112 silly decomposeActions extract [email protected]
113 silly decomposeActions preinstall [email protected]
114 silly decomposeActions build [email protected]
115 silly decomposeActions install [email protected]
116 silly decomposeActions postinstall [email protected]
117 silly decomposeActions finalize [email protected]
118 silly decomposeActions refresh-package-json [email protected]
119 silly decomposeActions fetch [email protected]
120 silly decomposeActions extract [email protected]
121 silly decomposeActions preinstall [email protected]
122 silly decomposeActions build [email protected]
123 silly decomposeActions install [email protected]
124 silly decomposeActions postinstall [email protected]
125 silly decomposeActions finalize [email protected]
126 silly decomposeActions refresh-package-json [email protected]
127 silly decomposeActions fetch [email protected]
128 silly decomposeActions extract [email protected]
129 silly decomposeActions preinstall [email protected]
130 silly decomposeActions build [email protected]
131 silly decomposeActions install [email protected]
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133 silly decomposeActions finalize [email protected]
134 silly decomposeActions refresh-package-json [email protected]
135 silly decomposeActions fetch [email protected]
136 silly decomposeActions extract [email protected]
137 silly decomposeActions preinstall [email protected]
138 silly decomposeActions build [email protected]
139 silly decomposeActions install [email protected]
140 silly decomposeActions postinstall [email protected]
141 silly decomposeActions finalize [email protected]
142 silly decomposeActions refresh-package-json [email protected]
143 silly decomposeActions fetch [email protected]
144 silly decomposeActions extract [email protected]
145 silly decomposeActions preinstall [email protected]
146 silly decomposeActions build [email protected]
147 silly decomposeActions install [email protected]
148 silly decomposeActions postinstall [email protected]
149 silly decomposeActions finalize [email protected]
150 silly decomposeActions refresh-package-json [email protected]
151 silly decomposeActions fetch [email protected]
152 silly decomposeActions extract [email protected]
153 silly decomposeActions preinstall [email protected]
154 silly decomposeActions build [email protected]
155 silly decomposeActions install [email protected]
156 silly decomposeActions postinstall [email protected]
157 silly decomposeActions finalize [email protected]
158 silly decomposeActions refresh-package-json [email protected]
159 silly decomposeActions fetch [email protected]
160 silly decomposeActions extract [email protected]
161 silly decomposeActions preinstall [email protected]
162 silly decomposeActions build [email protected]
163 silly decomposeActions install [email protected]
164 silly decomposeActions postinstall [email protected]
165 silly decomposeActions finalize [email protected]
166 silly decomposeActions refresh-package-json [email protected]
167 silly decomposeActions fetch [email protected]
168 silly decomposeActions extract [email protected]
169 silly decomposeActions preinstall [email protected]
170 silly decomposeActions build [email protected]
171 silly decomposeActions install [email protected]
172 silly decomposeActions postinstall [email protected]
173 silly decomposeActions finalize [email protected]
174 silly decomposeActions refresh-package-json [email protected]
175 silly decomposeActions fetch [email protected]
176 silly decomposeActions extract [email protected]
177 silly decomposeActions preinstall [email protected]
178 silly decomposeActions build [email protected]
179 silly decomposeActions install [email protected]
180 silly decomposeActions postinstall [email protected]
181 silly decomposeActions finalize [email protected]
182 silly decomposeActions refresh-package-json [email protected]
183 silly decomposeActions fetch [email protected]
184 silly decomposeActions extract [email protected]
185 silly decomposeActions preinstall [email protected]
186 silly decomposeActions build [email protected]
187 silly decomposeActions install [email protected]
188 silly decomposeActions postinstall [email protected]
189 silly decomposeActions finalize [email protected]
190 silly decomposeActions refresh-package-json [email protected]
191 silly decomposeActions fetch [email protected]
192 silly decomposeActions extract [email protected]
193 silly decomposeActions preinstall [email protected]
194 silly decomposeActions build [email protected]
195 silly decomposeActions install [email protected]
196 silly decomposeActions postinstall [email protected]
197 silly decomposeActions finalize [email protected]
198 silly decomposeActions refresh-package-json [email protected]
199 silly decomposeActions fetch [email protected]
200 silly decomposeActions extract [email protected]
201 silly decomposeActions preinstall [email protected]
202 silly decomposeActions build [email protected]
203 silly decomposeActions install [email protected]
204 silly decomposeActions postinstall [email protected]
205 silly decomposeActions finalize [email protected]
206 silly decomposeActions refresh-package-json [email protected]
207 silly install executeActions
208 silly doSerial global-install 128
209 verbose correctMkdir /Users/jasonshultz/.npm/_locks correctMkdir not in flight; initializing
210 verbose lock using /Users/jasonshultz/.npm/_locks/staging-3a08f0df5026584d.lock for /usr/local/lib/node_modules/.staging
211 silly doParallel extract 128
212 silly extract [email protected]
213 silly pacote trying abbrev@https://registry.npmjs.org/abbrev/-/abbrev-1.1.0.tgz by hash: sha1-0FVMIlZjbi9W58LlrRg/hZQo2B8=
214 silly extract [email protected]
215 silly pacote trying balanced-match@https://registry.npmjs.org/balanced-match/-/balanced-match-0.4.2.tgz by hash: sha1-yz8+PHMtwPAe5wtAPzAuYddwmDg=
216 silly extract [email protected]
217 silly pacote trying concat-map@https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz by hash: sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=
218 silly extract [email protected]
219 silly pacote trying brace-expansion@https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.7.tgz by hash: sha1-Pv/DxQ4ABTH7cg6v+A8K6O8jz1k=
220 silly extract [email protected]
221 silly pacote trying inherits@https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz by hash: sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=
222 silly extract [email protected]
223 silly pacote trying minimatch@https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz by hash: sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==
224 silly extract [email protected]
225 silly pacote trying path-is-absolute@https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz by hash: sha1-F0uSaHNVNP+8es5r9TpanhtcX18=
226 silly extract [email protected]
227 silly pacote trying wrappy@https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz by hash: sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=
228 silly extract [email protected]
229 silly pacote trying once@https://registry.npmjs.org/once/-/once-1.4.0.tgz by hash: sha1-WDsap3WWHUsROsF9nFC6753Xa9E=
230 silly extract [email protected]
231 silly pacote trying inflight@https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz by hash: sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=
232 silly extract [email protected]
233 silly pacote trying glob@https://registry.npmjs.org/glob/-/glob-5.0.15.tgz by hash: sha1-G8k2ueAvSmA/zCIuz3Yz0wuLk7E=
234 silly extract [email protected]
235 silly pacote trying findup-sync@https://registry.npmjs.org/findup-sync/-/findup-sync-0.3.0.tgz by hash: sha1-N5MKpdgWt3fANEXhlmzGeQpMCxY=
236 silly extract [email protected]
237 silly pacote trying grunt-known-options@https://registry.npmjs.org/grunt-known-options/-/grunt-known-options-1.1.0.tgz by hash: sha1-pCdO6zL6dl2lp6OxcSYXzjsUQUk=
238 silly extract [email protected]
239 silly pacote trying nopt@https://registry.npmjs.org/nopt/-/nopt-3.0.6.tgz by hash: sha1-xkZdvwirzU2zWTF/eaxopkayj/k=
240 silly extract [email protected]
241 silly pacote trying resolve@https://registry.npmjs.org/resolve/-/resolve-1.1.7.tgz by hash: sha1-IDEU2CrSxe2ejgQRs5ModeiJ6Xs=
242 silly extract [email protected]
243 silly pacote trying grunt-cli@https://registry.npmjs.org/grunt-cli/-/grunt-cli-1.2.0.tgz by hash: sha1-VisRnrsGndtGSs4oRVAb6Xs1tqg=
244 silly pacote data for sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA== not present. Using manifest.
245 silly pacote brace-expansion@https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.7.tgz extracted to /usr/local/lib/node_modules/.staging/brace-expansion-2db85e18 by content address 68ms
246 verbose stack TypeError: Cannot read property 'find' of undefined
246 verbose stack     at opts.integrity.digests.find.hash (/usr/local/lib/node_modules/npm/node_modules/ssri/index.js:264:33)
246 verbose stack     at Array.find (native)
246 verbose stack     at Transform.on (/usr/local/lib/node_modules/npm/node_modules/ssri/index.js:263:15)
246 verbose stack     at emitNone (events.js:110:20)
246 verbose stack     at Transform.emit (events.js:207:7)
246 verbose stack     at endReadableNT (_stream_readable.js:1045:12)
246 verbose stack     at _combinedTickCallback (internal/process/next_tick.js:102:11)
246 verbose stack     at process._tickCallback (internal/process/next_tick.js:161:9)
247 verbose cwd /Users/jasonshultz/Projects/3form
248 verbose Darwin 16.6.0
249 verbose argv "/usr/local/bin/node" "/usr/local/bin/npm" "install" "-g" "grunt-cli"
250 verbose node v8.0.0
251 verbose npm  v5.0.1
252 error Cannot read property 'find' of undefined
253 verbose exit [ 1, true ]

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