From e4d0d7a649df18252584b2f1ffda28cb532f753f Mon Sep 17 00:00:00 2001
From: yann300 <yann.levreau@gmail.com>
Date: Wed, 12 Aug 2020 09:50:03 +0200
Subject: [PATCH] remove remix-lib dep from remix-solidity

---
 libs/remix-solidity/package.json             |  1 -
 libs/remix-solidity/src/compiler/compiler.ts |  2 +-
 libs/remix-solidity/src/lib/eventManager.js  | 70 ++++++++++++++++++++
 3 files changed, 71 insertions(+), 2 deletions(-)
 create mode 100644 libs/remix-solidity/src/lib/eventManager.js

diff --git a/libs/remix-solidity/package.json b/libs/remix-solidity/package.json
index 0a8e07033f..e2e55b091e 100644
--- a/libs/remix-solidity/package.json
+++ b/libs/remix-solidity/package.json
@@ -16,7 +16,6 @@
   ],
   "dependencies": {
     "eslint-scope": "^5.0.0",
-    "@remix-project/remix-lib": "0.4.30",
     "solc": "^0.6.0",
     "webworkify-webpack": "^2.1.5"
   },
diff --git a/libs/remix-solidity/src/compiler/compiler.ts b/libs/remix-solidity/src/compiler/compiler.ts
index 1a5886537f..71a036a5e6 100644
--- a/libs/remix-solidity/src/compiler/compiler.ts
+++ b/libs/remix-solidity/src/compiler/compiler.ts
@@ -3,7 +3,7 @@
 import { update } from 'solc/abi'
 import * as webworkify from 'webworkify-webpack'
 import compilerInput from './compiler-input'
-import { EventManager } from '@remix-project/remix-lib'
+import { EventManager } from '../lib/eventManager'
 import { default as txHelper } from './txHelper';
 import { Source, SourceWithTarget, MessageFromWorker, CompilerState, CompilationResult, 
         visitContractsCallbackParam, visitContractsCallbackInterface, CompilationError, 
diff --git a/libs/remix-solidity/src/lib/eventManager.js b/libs/remix-solidity/src/lib/eventManager.js
new file mode 100644
index 0000000000..8d1ffb9e37
--- /dev/null
+++ b/libs/remix-solidity/src/lib/eventManager.js
@@ -0,0 +1,70 @@
+'use strict'
+
+function eventManager () {
+  this.registered = {}
+  this.anonymous = {}
+}
+
+/*
+   * Unregister a listener.
+   * Note that if obj is a function. the unregistration will be applied to the dummy obj {}.
+   *
+   * @param {String} eventName  - the event name
+   * @param {Object or Func} obj - object that will listen on this event
+   * @param {Func} func         - function of the listeners that will be executed
+*/
+eventManager.prototype.unregister = function (eventName, obj, func) {
+  if (!this.registered[eventName]) {
+    return
+  }
+  if (obj instanceof Function) {
+    func = obj
+    obj = this.anonymous
+  }
+  for (let reg in this.registered[eventName]) {
+    if (this.registered[eventName][reg].obj === obj && this.registered[eventName][reg].func === func) {
+      this.registered[eventName].splice(reg, 1)
+    }
+  }
+}
+
+/*
+   * Register a new listener.
+   * Note that if obj is a function, the function registration will be associated with the dummy object {}
+   *
+   * @param {String} eventName  - the event name
+   * @param {Object or Func} obj - object that will listen on this event
+   * @param {Func} func         - function of the listeners that will be executed
+*/
+eventManager.prototype.register = function (eventName, obj, func) {
+  if (!this.registered[eventName]) {
+    this.registered[eventName] = []
+  }
+  if (obj instanceof Function) {
+    func = obj
+    obj = this.anonymous
+  }
+  this.registered[eventName].push({
+    obj: obj,
+    func: func
+  })
+}
+
+/*
+   * trigger event.
+   * Every listener have their associated function executed
+   *
+   * @param {String} eventName  - the event name
+   * @param {Array}j - argument that will be passed to the executed function.
+*/
+eventManager.prototype.trigger = function (eventName, args) {
+  if (!this.registered[eventName]) {
+    return
+  }
+  for (let listener in this.registered[eventName]) {
+    const l = this.registered[eventName][listener]
+    l.func.apply(l.obj === this.anonymous ? {} : l.obj, args)
+  }
+}
+
+module.exports = eventManager
\ No newline at end of file