Remove uri-js dependency

Author: bigmontz

core/package.json

@@ -26,9 +26,6 @@
     "url": "https://github.com/neo4j/neo4j-javascript-driver/issues"
   },
   "homepage": "https://github.com/neo4j/neo4j-javascript-driver#readme",
-  "dependencies": {
-    "uri-js": "^4.4.1"
-  },
   "devDependencies": {
     "@types/jest": "^26.0.20",
     "esdoc": "^1.1.0",

core/src/internal/url-util.ts

@@ -17,7 +17,6 @@
  * limitations under the License.
  */
 
-import { parse as uriJsParse } from 'uri-js'
 import { assertString } from './util'
 
 const DEFAULT_BOLT_PORT = 7687
@@ -76,6 +75,17 @@ class Url {
   }
 }
 
+interface ParsedUri {
+  scheme?: string
+  host?: string
+  port?: number | string
+  query?: string
+  fragment?: string
+  userInfo?: string
+  authority?: string
+  path?: string
+}
+
 function parseDatabaseUrl(url: string) {
   assertString(url, 'URL')
 
@@ -230,9 +240,104 @@ function defaultPortForScheme(scheme: string | null): number {
   }
 }
 
+function uriJsParse(value: string) {
+  // JS version of Python partition function
+  function partition(s: string, delimiter: string): [string, string, string] {
+    const i = s.indexOf(delimiter)
+    if (i >= 0) return [s.substring(0, i), s[i], s.substring(i + 1)]
+    else return [s, '', '']
+  }
+
+  // JS version of Python rpartition function
+  function rpartition(s: string, delimiter: string): [string, string, string] {
+    const i = s.lastIndexOf(delimiter)
+    if (i >= 0) return [s.substring(0, i), s[i], s.substring(i + 1)]
+    else return ['', '', s]
+  }
+
+  function between(
+    s: string,
+    ldelimiter: string,
+    rdelimiter: string
+  ): [string, string] {
+    const lpartition = partition(s, ldelimiter)
+    const rpartition = partition(lpartition[2], rdelimiter)
+    return [rpartition[0], rpartition[2]]
+  }
+
+  // Parse an authority string into an object
+  // with the following keys:
+  // - userInfo (optional, might contain both user name and password)
+  // - host
+  // - port (optional, included only as a string)
+  function parseAuthority(value: string): ParsedUri {
+    let parsed: ParsedUri = {},
+      parts: [string, string, string]
+
+    // Parse user info
+    parts = rpartition(value, '@')
+    if (parts[1] === '@') {
+      parsed.userInfo = decodeURIComponent(parts[0])
+      value = parts[2]
+    }
+
+    // Parse host and port
+    const [ipv6Host, rest] = between(value, `[`, `]`)
+    if (ipv6Host !== '') {
+      parsed.host = ipv6Host
+      parts = partition(rest, ':')
+    } else {
+      parts = partition(value, ':')
+      parsed.host = parts[0]
+    }
+
+    if (parts[1] === ':') {
+      parsed.port = parts[2]
+    }
+
+    return parsed
+  }
+
+  let parsed: ParsedUri = {},
+    parts: string[]
+
+  // Parse scheme
+  parts = partition(value, ':')
+  if (parts[1] === ':') {
+    parsed.scheme = decodeURIComponent(parts[0])
+    value = parts[2]
+  }
+
+  // Parse fragment
+  parts = partition(value, '#')
+  if (parts[1] === '#') {
+    parsed.fragment = decodeURIComponent(parts[2])
+    value = parts[0]
+  }
+
+  // Parse query
+  parts = partition(value, '?')
+  if (parts[1] === '?') {
+    parsed.query = parts[2]
+    value = parts[0]
+  }
+
+  // Parse authority and path
+  if (value.startsWith('//')) {
+    parts = partition(value.substr(2), '/')
+    parsed = { ...parsed, ...parseAuthority(parts[0]) }
+    parsed.path = parts[1] + parts[2]
+  } else {
+    parsed.path = value
+  }
+
+  return parsed
+}
+
 export {
   parseDatabaseUrl,
   defaultPortForScheme,
   formatIPv4Address,
-  formatIPv6Address
+  formatIPv6Address,
+  Url
 }

test/internal/url-util.test.js renamed to core/test/internal/url-util.test.ts

@@ -17,9 +17,16 @@
  * limitations under the License.
  */
 
-import { internal } from 'neo4j-driver-core'
+import * as urlUtil from '../../src/internal/url-util'
 
-const { urlUtil } = internal
+interface PartialUrl {
+  readonly scheme?: string | null
+  readonly host?: string
+  readonly port?: number
+  readonly hostAndPort?: string
+  readonly query?: Object
+  readonly ipv6?: boolean
+}
 
 describe('#unit url-util', () => {
   it('should parse URL with just host name', () => {
@@ -785,7 +792,7 @@ describe('#unit url-util', () => {
     })
   })
 
-  function verifyUrl (urlString, expectedUrl) {
+  function verifyUrl(urlString: string, expectedUrl: PartialUrl) {
     const url = parse(urlString)
     if (expectedUrl.scheme) {
       expect(url.scheme).toEqual(expectedUrl.scheme)
@@ -811,7 +818,7 @@ describe('#unit url-util', () => {
     }
   }
 
-  function verifyHostAndPort (url, expectedUrl) {
+  function verifyHostAndPort(url: urlUtil.Url, expectedUrl: urlUtil.Url) {
     const port =
       expectedUrl.port === 0 || expectedUrl.port
         ? expectedUrl.port
@@ -824,7 +831,7 @@ describe('#unit url-util', () => {
     }
   }
 
-  function parse (url) {
+  function parse(url: string): urlUtil.Url {
     return urlUtil.parseDatabaseUrl(url)
   }
 })

package-lock.json

@@ -111,8 +111,7 @@
     "neo4j-driver-bolt-connection": "file:bolt-connection",
     "neo4j-driver-core": "file:core",
     "rxjs": "^6.6.3",
-    "text-encoding-utf-8": "^1.0.2",
-    "uri-js": "^4.4.0"
+    "text-encoding-utf-8": "^1.0.2"
   },
   "bundledDependencies": [
     "neo4j-driver-core",