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@shotlingo/device-resolutions

v0.1.0

Published

iOS points/scale/pixels/ppi and Android dp/density-bucket/pixels/ppi for every current device class, as a typed lookup table — no network calls, zero dependencies.

Vulnerabilities

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Links

Git

Maintainers

alperenguntekinalperenguntekin

Keywords

app-storeasoapp-store-optimizationdevice-resolutionscreen-densitydpippiiosandroidscreenshot

Readme

@shotlingo/device-resolutions

iOS points/scale/pixels/ppi and Android dp/density-bucket/pixels/ppi for every current iPhone, iPad, Android phone, and Android tablet class — as a typed lookup table. Zero dependencies, no network calls.

Full interactive reference (searchable table + JSON/CSV export): shotlingo.com/tools/device-resolution-lookup

Install

npm install @shotlingo/device-resolutions

Usage

import { getById, getByPlatform, pxToDp, nearestDensityBucket, DEVICE_RESOLUTIONS } from '@shotlingo/device-resolutions';

getById('iphone-6.9');
// => { id: 'iphone-6.9', platform: 'ios', category: 'iphone', label: 'iPhone 6.9"', logical: { w: 440, h: 956 }, scale: 3, physical: { w: 1320, h: 2868 }, ppi: 460, ... }

getByPlatform('android').map((d) => d.label);
// => ['Pixel 8', 'Pixel 8 Pro', 'Galaxy S23', 'Galaxy S23 Ultra', 'Galaxy Tab S9']

pxToDp(1080, 480);
// => 360

nearestDensityBucket(428).name;
// => 'xxhdpi'

DEVICE_RESOLUTIONS.length;
// => 20

API

  • DEVICE_RESOLUTIONS: DeviceResolution[] — the full device list (iPhone, iPad, Android phone, Android tablet).
  • DENSITY_BUCKETS: DensityBucket[] — the standard Android density buckets (ldpi → xxxhdpi).
  • PLATFORMS: Platform[] — 'ios' | 'android'.
  • CATEGORIES: DeviceCategory[] — 'iphone' | 'ipad' | 'android-phone' | 'android-tablet'.
  • getById(id: string): DeviceResolution | undefined — lookup by id, e.g. 'pixel-8' (case-insensitive).
  • getByPlatform(platform: Platform): DeviceResolution[]
  • getByCategory(category: DeviceCategory): DeviceResolution[]
  • getDensityBucket(id: string): DensityBucket | undefined — lookup by bucket id, e.g. 'xxhdpi' (case-insensitive).
  • pxToDp(px: number, ppi: number): number — computed Android dp per the density formula (px ÷ (ppi ÷ 160)). Real hardware rounds to the nearest standard bucket, so treat the result as an estimate.
  • nearestDensityBucket(ppi: number): DensityBucket — the standard bucket whose dpi is closest to a given ppi.

Why this exists

Marketing size names ("6.5-inch", "6.7-inch") don't map 1:1 to pixel grids — several physically-different iPhone classes share a marketing size, and Android manufacturers ship a continuum of real densities instead of the six standard buckets. This package gives you the actual logical/physical/ppi values so screenshot templates and design breakpoints don't drift by a few pixels between "similar" device classes.

License

MIT