created letter-avatars.ts

added @types/randomcolor

Signed-off-by: Philip Molares <philip.molares@udo.edu>
Signed-off-by: David Mehren <dmehren1@gmail.com>

lib/letter-avatars.js

@@ -1,50 +0,0 @@
-'use strict'
-// external modules
-const crypto = require('crypto')
-const randomcolor = require('randomcolor')
-const config = require('./config')
-
-// core
-exports.generateAvatar = function (name) {
-  const color = randomcolor({
-    seed: name,
-    luminosity: 'dark'
-  })
-  const letter = name.substring(0, 1).toUpperCase()
-
-  let svg = '<?xml version="1.0" encoding="UTF-8" standalone="no"?>'
-  svg += '<svg xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns="http://www.w3.org/2000/svg" height="96" width="96" version="1.1" viewBox="0 0 96 96">'
-  svg += '<g>'
-  svg += '<rect width="96" height="96" fill="' + color + '" />'
-  svg += '<text font-size="64px" font-family="sans-serif" text-anchor="middle" fill="#ffffff">'
-  svg += '<tspan x="48" y="72" stroke-width=".26458px" fill="#ffffff">' + letter + '</tspan>'
-  svg += '</text>'
-  svg += '</g>'
-  svg += '</svg>'
-
-  return svg
-}
-
-exports.generateAvatarURL = function (name, email = '', big = true) {
-  let photo
-  if (typeof email !== 'string') {
-    email = '' + name + '@example.com'
-  }
-  name = encodeURIComponent(name)
-
-  let hash = crypto.createHash('md5')
-  hash.update(email.toLowerCase())
-  let hexDigest = hash.digest('hex')
-
-  if (email !== '' && config.allowGravatar) {
-    photo = 'https://cdn.libravatar.org/avatar/' + hexDigest
-    if (big) {
-      photo += '?s=400'
-    } else {
-      photo += '?s=96'
-    }
-  } else {
-    photo = config.serverURL + '/user/' + (name || email.substring(0, email.lastIndexOf('@')) || hexDigest) + '/avatar.svg'
-  }
-  return photo
-}