From ca86251f072ab723a9e26cd6360b77181be13110 Mon Sep 17 00:00:00 2001 From: beliy-a Date: Tue, 9 Mar 2021 20:42:31 +0300 Subject: [PATCH 1/3] change linebreak-style --- .eslintrc.json | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/.eslintrc.json b/.eslintrc.json index 70e7644..47b0939 100644 --- a/.eslintrc.json +++ b/.eslintrc.json @@ -15,7 +15,7 @@ ], "linebreak-style": [ "error", - "unix" + "windows" ], "quotes": [ "error", @@ -262,4 +262,4 @@ "never" ] } -} +} \ No newline at end of file From 9305d2768cba9d7d575f3b7f7197ef98d1740eca Mon Sep 17 00:00:00 2001 From: beliy-a Date: Tue, 9 Mar 2021 20:43:36 +0300 Subject: [PATCH 2/3] add solving for all tasks --- Exercises/1-pipe.js | 9 ++++++++- Exercises/2-compose.js | 26 +++++++++++++++++++++++++- 2 files changed, 33 insertions(+), 2 deletions(-) diff --git a/Exercises/1-pipe.js b/Exercises/1-pipe.js index d09882a..5e2f5ef 100644 --- a/Exercises/1-pipe.js +++ b/Exercises/1-pipe.js @@ -1,5 +1,12 @@ 'use strict'; -const pipe = (...fns) => x => null; +const pipe = (...fns) => { + fns.forEach(fn => { + if (typeof fn !== 'function') throw Error('not a Function'); + }); + + return x => fns.reduce((acc, fn) => acc = fn(acc), x); +}; + module.exports = { pipe }; diff --git a/Exercises/2-compose.js b/Exercises/2-compose.js index 368e521..1a564c7 100644 --- a/Exercises/2-compose.js +++ b/Exercises/2-compose.js @@ -1,5 +1,29 @@ 'use strict'; -const compose = (...fns) => x => null; +const compose = (...fns) => { + const errors = []; + + const fn = x => { + if (fns.length === 0) return x; + + const start = fns.length - 1; + let res = x; + + try { + for (let i = start; i >= 0; i--) { + res = fns[i](res); + } + return res; + } catch (err) { + errors.forEach(e => e(err)); + } + }; + + fn.on = callback => { + errors.forEach(err => callback(err)); + }; + + return fn; +}; module.exports = { compose }; From 4ea6c7b71467316c24dad56dc3ad05d1516d849e Mon Sep 17 00:00:00 2001 From: beliy-a Date: Tue, 9 Mar 2021 20:54:15 +0300 Subject: [PATCH 3/3] change fn.on --- Exercises/2-compose.js | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/Exercises/2-compose.js b/Exercises/2-compose.js index 1a564c7..2ebc340 100644 --- a/Exercises/2-compose.js +++ b/Exercises/2-compose.js @@ -19,8 +19,10 @@ const compose = (...fns) => { } }; - fn.on = callback => { - errors.forEach(err => callback(err)); + fn.on = (name, callback) => { + if (name === 'error') { + errors.push(callback); + } }; return fn; pFad - Phonifier reborn

Pfad - The Proxy pFad of © 2024 Garber Painting. All rights reserved.

Note: This service is not intended for secure transactions such as banking, social media, email, or purchasing. Use at your own risk. We assume no liability whatsoever for broken pages.

Alternative Proxies:

Alternative Proxy

pFad Proxy

pFad v3 Proxy

pFad v4 Proxy