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Diffstat (limited to 'together/node_modules/wrappy')
-rw-r--r-- | together/node_modules/wrappy/LICENSE | 15 | ||||
-rw-r--r-- | together/node_modules/wrappy/README.md | 36 | ||||
-rw-r--r-- | together/node_modules/wrappy/package.json | 29 | ||||
-rw-r--r-- | together/node_modules/wrappy/wrappy.js | 33 |
4 files changed, 113 insertions, 0 deletions
diff --git a/together/node_modules/wrappy/LICENSE b/together/node_modules/wrappy/LICENSE new file mode 100644 index 0000000..19129e3 --- /dev/null +++ b/together/node_modules/wrappy/LICENSE @@ -0,0 +1,15 @@ +The ISC License + +Copyright (c) Isaac Z. Schlueter and Contributors + +Permission to use, copy, modify, and/or distribute this software for any +purpose with or without fee is hereby granted, provided that the above +copyright notice and this permission notice appear in all copies. + +THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR +IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. diff --git a/together/node_modules/wrappy/README.md b/together/node_modules/wrappy/README.md new file mode 100644 index 0000000..98eab25 --- /dev/null +++ b/together/node_modules/wrappy/README.md @@ -0,0 +1,36 @@ +# wrappy + +Callback wrapping utility + +## USAGE + +```javascript +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) +``` diff --git a/together/node_modules/wrappy/package.json b/together/node_modules/wrappy/package.json new file mode 100644 index 0000000..1307520 --- /dev/null +++ b/together/node_modules/wrappy/package.json @@ -0,0 +1,29 @@ +{ + "name": "wrappy", + "version": "1.0.2", + "description": "Callback wrapping utility", + "main": "wrappy.js", + "files": [ + "wrappy.js" + ], + "directories": { + "test": "test" + }, + "dependencies": {}, + "devDependencies": { + "tap": "^2.3.1" + }, + "scripts": { + "test": "tap --coverage test/*.js" + }, + "repository": { + "type": "git", + "url": "https://github.com/npm/wrappy" + }, + "author": "Isaac Z. Schlueter <i@izs.me> (http://blog.izs.me/)", + "license": "ISC", + "bugs": { + "url": "https://github.com/npm/wrappy/issues" + }, + "homepage": "https://github.com/npm/wrappy" +} diff --git a/together/node_modules/wrappy/wrappy.js b/together/node_modules/wrappy/wrappy.js new file mode 100644 index 0000000..bb7e7d6 --- /dev/null +++ b/together/node_modules/wrappy/wrappy.js @@ -0,0 +1,33 @@ +// Returns a wrapper function that returns a wrapped callback +// The wrapper function should do some stuff, and return a +// presumably different callback function. +// This makes sure that own properties are retained, so that +// decorations and such are not lost along the way. +module.exports = wrappy +function wrappy (fn, cb) { + if (fn && cb) return wrappy(fn)(cb) + + if (typeof fn !== 'function') + throw new TypeError('need wrapper function') + + Object.keys(fn).forEach(function (k) { + wrapper[k] = fn[k] + }) + + return wrapper + + function wrapper() { + var args = new Array(arguments.length) + for (var i = 0; i < args.length; i++) { + args[i] = arguments[i] + } + var ret = fn.apply(this, args) + var cb = args[args.length-1] + if (typeof ret === 'function' && ret !== cb) { + Object.keys(cb).forEach(function (k) { + ret[k] = cb[k] + }) + } + return ret + } +} |