Tabbas, ga labarin ku na JavaScript tare da tsarin da kuka zayyana:
Sanin abubuwan da ke cikin JavaScript yana da mahimmanci ga duk wani mai haษakawa da ke nufin inganci da inganci. JavaScript kayan aiki ne mai ฦarfi wanda ke ba mu damar ฦirฦirar ayyukan aiki tare da masu amfani. A cikin wannan labarin, za mu bi ta cikin nuances na amfani da fasalin 'view available versions' a JavaScript.
Fahimtar Matsala
A wasu lokuta, a cikin duniyar ci gaban JavaScript, mutum na iya buฦatar sani wanne nau'ikan wani ษakin karatu ko fakitin suna samuwa. Sabuntawa na yau da kullun da haษakawa akai-akai suna buฦatar masu haษakawa su sani da amfani da sigar da ta dace don guje wa yuwuwar matsalolin rashin jituwa.
// Typical problem when trying to access a unknown version
const desiredVersion = 'unknown version';
const library = require(library@${desiredVersion});
Bayanin Magani
An yi sa'a, da NPM rajista ya zo a hannu don magance wannan batu. Umarni mai sauฦi shine duk abin da ake ษauka don ษauko jerin abubuwan da ake samu don takamaiman fakitin.
// Basic NPM command for fetching versions
npm show {package name} versions
Bayyana Code
Wannan gardamar-layin umarni yana ba mu jeri na duk nau'ikan da ke akwai don kunshin da aka bayar.
1. 'npm': ya kira mai sarrafa fakitin Node wanda ke kula da ษakunan karatu da fakitinmu.
2. 'nunawa': ana amfani da su don debo cikakkun bayanai game da kunshin.
3. '{kunshin sunan}': Sunan kunshin wanda muke so mu gani.
4. 'versions': yana ฦayyade cewa muna son jerin nau'ikan.
Don haka, lokacin da muke son ganin duk nau'ikan fakiti, a ce 'Express', za mu rubuta:
npm show express versions
ฦarin Kayan aiki da Ayyuka
- npm
- buฦatar
- versions
Don daidaita ayyukanku da kyau, zaku yi amfani da 'bukata' aiki lokacin amfani da takamaiman sigar ษakin karatu. Misali:
const express = require('express@4.17.0');
Wannan yana taimakawa wajen kiyaye daidaito a cikin ci gaban ku da yanayin samarwa. Ka tuna koyaushe duba dacewar nau'ikan ษakin karatu dangane da lambar lambar ku kafin ษaukaka.
Ya bayyana a fili, don haka, mahimmancin ฦware fasalin fasalin 'samuwar ra'ayi' a cikin JavaScript don haษakawa mara kyau tare da ษakunan karatu daban-daban da tsarin aiki. Fahimtar yadda ake sarrafa nau'ikan nau'ikan na iya ceton ku sa'o'i na yin matsala tare da sanya aikace-aikacenku ya zama daidai kuma abin dogaro. Kasance tare don ฦarin nasiha da dabaru na JavaScript.
