@data-client/rest/lib/RestHelpers.js

Quickly define typed REST resources and endpoints

import { compile, parse } from 'path-to-regexp';
const urlBaseCache = new Map();
export function getUrlBase(path) {
  if (!urlBaseCache.has(path)) {
    urlBaseCache.set(path, compile(path, {
      encode: encodeURIComponent,
      validate: false
    }));
  }
  return urlBaseCache.get(path);
}
const urlTokensCache = new Map();
export function getUrlTokens(path) {
  if (!urlTokensCache.has(path)) {
    urlTokensCache.set(path, new Set(parse(path).map(t => typeof t === 'string' ? t : `${t['name']}`)));
  }
  return urlTokensCache.get(path);
}
const proto = Object.prototype;
const gpo = Object.getPrototypeOf;
export function isPojo(obj) {
  if (obj === null || typeof obj !== 'object') {
    return false;
  }
  return gpo(obj) === proto;
}
export function shortenPath(path) {
  const lastColonIndex = path.lastIndexOf(':');
  if (lastColonIndex === -1) throw new Error('Resource path requires at least one :parameter');
  // this is for when not specifying a specific item like create/list
  let shortUrlRoot = path.substring(0, lastColonIndex);
  if (shortUrlRoot[shortUrlRoot.length - 1] === '/') shortUrlRoot = shortUrlRoot.substring(0, shortUrlRoot.length - 1);
  return shortUrlRoot;
}
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