pax_global_header00006660000000000000000000000064133120176240014511gustar00rootroot0000000000000052 comment=23f43df2382025ecf1b3f21ffbf19770cdcafb95 iferr-1.0.2/000077500000000000000000000000001331201762400126205ustar00rootroot00000000000000iferr-1.0.2/.gitignore000066400000000000000000000000151331201762400146040ustar00rootroot00000000000000node_modules iferr-1.0.2/LICENSE000066400000000000000000000020641331201762400136270ustar00rootroot00000000000000The MIT License (MIT) Copyright (c) 2014 Nadav Ivgi Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.iferr-1.0.2/README.md000066400000000000000000000016151331201762400141020ustar00rootroot00000000000000# iferr Higher-order functions for easier error handling. `if (err) return cb(err);` be gone! ## Install ```bash npm install iferr ``` ## Use ### JavaScript/ES6 example ```js var iferr = require('iferr'); function get_friends_count(id, cb) { User.load_user(id, iferr(cb, user => user.load_friends(iferr(cb, friends => cb(null, friends.length) )) )) } ``` ### JavaScript/ES5 example ```js var iferr = require('iferr'); function get_friends_count(id, cb) { User.load_user(id, iferr(cb, function(user) { user.load_friends(iferr(cb, function(friends) { cb(null, friends.length) })) })) } ``` ### CoffeeScript example ```coffee iferr = require 'iferr' get_friends_count = (id, cb) -> User.load_user id, iferr cb, (user) -> user.load_friends iferr cb, (friends) -> cb null, friends.length ``` (TODO: document tiferr, throwerr and printerr) ## License MIT iferr-1.0.2/iferr.js000066400000000000000000000015051331201762400142660ustar00rootroot00000000000000// Delegates to `succ` on sucecss or to `fail` on error // ex: Thing.load(123, iferr(cb, thing => ...)) const iferr = (fail, succ) => (err, ...a) => err ? fail(err) : succ(...a) // Like iferr, but also catches errors thrown from `succ` and passes to `fail` const tiferr = (fail, succ) => iferr(fail, (...a) => { try { succ(...a) } catch (err) { fail(err) } }) // Delegate to the success function on success, throws the error otherwise // ex: Thing.load(123, throwerr(thing => ...)) const throwerr = iferr.bind(null, err => { throw err }) // Prints errors when one is passed, or does nothing otherwise // ex: Thing.load(123, printerr) const printerr = iferr(err => console.error(err), () => {}) module.exports = exports = iferr exports.iferr = iferr exports.tiferr = tiferr exports.throwerr = throwerr exports.printerr = printerr iferr-1.0.2/package-lock.json000066400000000000000000000152151331201762400160400ustar00rootroot00000000000000{ "name": "iferr", "version": "1.0.2", "lockfileVersion": 1, "requires": true, "dependencies": { "balanced-match": { "version": "1.0.0", "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz", "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=", "dev": true }, "brace-expansion": { "version": "1.1.8", "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.8.tgz", "integrity": "sha1-wHshHHyVLsH479Uad+8NHTmQopI=", "dev": true, "requires": { "balanced-match": "1.0.0", "concat-map": "0.0.1" } }, "browser-stdout": { "version": "1.3.0", "resolved": "https://registry.npmjs.org/browser-stdout/-/browser-stdout-1.3.0.tgz", "integrity": "sha1-81HTKWnTL6XXpVZxVCY9korjvR8=", "dev": true }, "coffeescript": { 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iferr-1.0.2/package.json000066400000000000000000000011641331201762400151100ustar00rootroot00000000000000{ "name": "iferr", "version": "1.0.2", "description": "Higher-order functions for easier error handling", "main": "iferr.js", "files": [ "iferr.js" ], "scripts": { "test": "mocha" }, "engines": { "node": ">=6.0.0" }, "repository": { "type": "git", "url": "https://github.com/shesek/iferr" }, "keywords": [ "error", "errors" ], "author": "Nadav Ivgi", "license": "MIT", "bugs": { "url": "https://github.com/shesek/iferr/issues" }, "homepage": "https://github.com/shesek/iferr", "devDependencies": { "coffeescript": "^2.3.1", "mocha": "^4.0.1" } } iferr-1.0.2/test/000077500000000000000000000000001331201762400135775ustar00rootroot00000000000000iferr-1.0.2/test/index.coffee000066400000000000000000000021551331201762400160620ustar00rootroot00000000000000{ iferr, tiferr, throwerr } = require '../iferr' { equal: eq, throws } = require 'assert' invoke_fail = (cb) -> cb new Error 'callback error' invoke_succ = (cb) -> cb null throw_error = -> throw new Error 'thrown' describe 'iferr', -> it 'calls the error callback on errors', (done) -> invoke_fail iferr( (err) -> eq err.message, 'callback error' do done -> done new Error 'shouldn\'t call the success callback' ) it 'calls the success callback on success', (done) -> invoke_succ iferr( -> done new Error 'shouldn\'t call the error callback' done ) describe 'tiferr', -> it 'catches errors in the success callback', (done) -> invoke_succ tiferr( (err) -> eq err.message, 'thrown' do done throw_error ) describe 'throwerr', -> it 'throws errors passed to the callback', (done)-> try invoke_fail throwerr -> done 'shouldn\'t call the success callback' catch err eq err.message, 'callback error' do done it 'delegates to the success callback otherwise', (done) -> invoke_succ throwerr done iferr-1.0.2/test/mocha.opts000066400000000000000000000000721331201762400155740ustar00rootroot00000000000000--compilers coffee:coffee-script/register --reporter spec