Use remix-plugin module API

remix-resolve/src/resolve.ts

@@ -1,19 +1,16 @@
 import axios from 'axios'
 
-import { Api, PluginProfile } from 'remix-plugin'
+import { Api, ModuleProfile, API } from 'remix-plugin'
 
 export interface RemixResolve extends Api {
   type: 'remix-resolve'
   events: {}
-  resolve: any
+  resolve: Function
 }
 
-export const RemixResolveProfile: PluginProfile<RemixResolve> = {
+export const RemixResolveProfile: ModuleProfile<RemixResolve> = {
   type: 'remix-resolve',
-  methods: ['resolve'],
-  events: [],
-  notifications: [],
-  url: ''
+  methods: ['resolve']
 }
 
 
@@ -33,6 +30,111 @@ interface Handler {
   handle(match: any): any;
 }
 
+export class RemixResolveApi implements API<RemixResolve> {
+  public readonly type = 'remix-resolve'
+
+  previouslyHandled: PreviouslyHandledImports
+  constructor() {
+    this.previouslyHandled = {}
+  }
+  /**
+  * Handle an import statement based on github
+  * @params root The root of the github import statement
+  * @params filePath path of the file in github
+  */
+  handleGithubCall(root: string, filePath: string) {
+    return
+  }
+  /**
+  * Handle an import statement based on http
+  * @params url The url of the import statement
+  * @params cleanURL
+  */
+  handleHttp(url: string, cleanURL: string) {
+    return
+  }
+  /**
+  * Handle an import statement based on https
+  * @params url The url of the import statement
+  * @params cleanURL
+  */
+  handleHttps(url: string, cleanURL: string) {
+    return
+  }
+  handleSwarm(url: string, cleanURL: string) {
+    return
+  }
+  /**
+  * Handle an import statement based on IPFS
+  * @params url The url of the IPFS import statement
+  */
+  async handleIPFS(url: string) {
+    // replace ipfs:// with /ipfs/
+    url = url.replace(/^ipfs:\/\/?/, 'ipfs/')
+    try {
+      const req = 'https://gateway.ipfs.io/' + url
+      // If you don't find greeter.sol on ipfs gateway use local
+      // const req = 'http://localhost:8080/' + url
+      const response = await axios.get(req)
+      return response.data
+    } catch (e) {
+      throw e
+    }
+  }
+  handleLocal(root: string, filePath: string) {
+    return
+  }
+  getHandlers(): Handler[] {
+    return [
+      {
+        type: 'github',
+        match: (url) => { return /^(https?:\/\/)?(www.)?github.com\/([^/]*\/[^/]*)\/(.*)/.exec(url) },
+        handle: (match) => this.handleGithubCall(match[3], match[4])
+      },
+      {
+        type: 'http',
+        match: (url) => { return /^(http?:\/\/?(.*))$/.exec(url) },
+        handle: (match) => this.handleHttp(match[1], match[2])
+      },
+      {
+        type: 'https',
+        match: (url) => { return /^(https?:\/\/?(.*))$/.exec(url) },
+        handle: (match) => this.handleHttps(match[1], match[2])
+      },
+      {
+        type: 'swarm',
+        match: (url) => { return /^(bzz-raw?:\/\/?(.*))$/.exec(url) },
+        handle: (match) => this.handleSwarm(match[1], match[2])
+      },
+      {
+        type: 'ipfs',
+        match: (url) => { return /^(ipfs:\/\/?.+)/.exec(url) },
+        handle: (match) => this.handleIPFS(match[1])
+      }
+    ]
+  }
+
+  public async resolve(filePath: string, customHandlers?: Handler[]): Promise<Imported> {
+    var imported: Imported = this.previouslyHandled[filePath]
+    if(imported) {
+      return imported
+    }
+    const builtinHandlers: Handler[] = this.getHandlers()
+    const handlers: Handler[] = customHandlers ? [...builtinHandlers, ...customHandlers] : [...builtinHandlers]
+    const matchedHandler = handlers.filter(handler => handler.match(filePath))
+    const handler: Handler = matchedHandler[0]
+    const match = handler.match(filePath)
+    const content: string = await handler.handle(match)
+    imported = {
+      content,
+      cleanURL: filePath,
+      type: handler.type
+    }
+    this.previouslyHandled[filePath] = imported
+    return imported
+  }
+}
+
 export class ImportResolver {
   previouslyHandled: PreviouslyHandledImports
   constructor() {

remix-resolve/tests/test.ts

@@ -1,4 +1,4 @@
-import { RemixResolve, ImportResolver } from '../src'
+import { RemixResolve, ImportResolver, RemixResolveApi } from '../src'
 import * as fs from 'fs'
 import * as path from 'path'
 import * as assert from 'assert'
@@ -10,10 +10,10 @@ const RemixResolveProfile: PluginProfile<RemixResolve> = {
   url: ''
 }
 interface IAppManager {
-  modules: {},
-  plugins: {
-    'remix-resolve': RemixResolve
-  }
+  modules: {
+    remixResolve: RemixResolve
+  },
+  plugins: {}
 }
 
 describe('testRunner', () => {
@@ -72,14 +72,13 @@ describe('testRunner', () => {
       // AppManager tests
       describe('test with AppManager', () => {
         let app: AppManager<IAppManager>
-        let api: Plugin<RemixResolve>
+        let api: RemixResolveApi
 
         before(() => {
-          api = new Plugin(RemixResolveProfile)
+          api = new RemixResolveApi()
           app = new AppManager({
-            plugins: [{ json: RemixResolveProfile, api }]
+            modules: [{ json: RemixResolveProfile, api }]
           })
-          app.activate(api.type)
         })
         it('Plugin should be added to app', () => {
           assert.equal(typeof(app.calls[api.type].resolve), 'function')