User:Push-f/embed demo

Demo page for Module:EmbedItem. {{#invoke: EmbedItem|main|P8262}} becomes:

npm package

description	name of a package on the public npm registry
data type	external-id
formatter URL	https://www.npmjs.com/package/$1
instance of	Wikidata property to identify packages in a programming-language-specific registry
property proposal discussion	https://www.wikidata.org/wiki/Wikidata:Property_proposal/npm_package
Wikidata item of this property	npmjs
property constraint	subject type constraint class: software relation: instance of format constraint format as a regular expression: (?:@[a-z0-9-]+/)?[a-z0-9-_\.]{1,214} syntax clarification: Simplified version of https://github.com/npm/validate-npm-package-name - not so precise, but enough for basic check single-best-value constraint allowed qualifiers constraint property: start time, end time, earliest date, earliest end date, latest start date, latest date, reason for deprecated rank, reason for preferred rank distinct-values constraint allowed-entity-types constraint item of property constraint: Wikibase item property scope constraint property scope: as main value
related property	npm scope or username
number of records	{"value":{"amount":"+2175042","unit":"1"},"type":"quantity"} point in time: {"value":{"before":0,"time":"+2022-11-18T00:00:00Z","timezone":0,"precision":11,"after":0,"calendarmodel":"http://www.wikidata.org/entity/Q1985727"},"type":"time"}
URL match pattern	^https?:\/\/(?:www\.)?npmjs\.com\/package\/([0-9a-z._@\/%-]+)
stability of property value	sometimes changes
Wikidata property example	React npm package: react Lodash npm package: lodash TypeScript npm package: typescript Express.js npm package: express
class of non-item property value	npm package name
expected completeness	always incomplete