added ability to pass config file as app options

src/absytree.nim

@@ -83,6 +83,9 @@ block: ## Parse command line options
         opts.disableNimScriptPlugins = true
         opts.disableWasmPlugins = true
 
+      of "session", "s":
+        opts.sessionOverride = val.some
+
     of cmdEnd: assert(false) # cannot happen
 
 if backend.isNone:

src/absytree_js.nim

@@ -5,14 +5,14 @@ logCategory "main-js"
 
 logger.enableConsoleLogger()
 
-import std/[strformat, dom, macros]
+import std/[strformat, dom, macros, jsffi]
 import misc/[util, timer, event, custom_async]
 import platform/[platform, browser_platform]
 import ui/[widget_builders]
 import text/text_document
 import text/language/language_server
 from scripting_api import Backend
-import app
+import app, app_options
 
 import ui/node
 
@@ -105,8 +105,45 @@ proc requestRender(redrawEverything = false) =
 
   discard window.requestAnimationFrame doRender
 
+proc getAppOptions(): AppOptions =
+  type URLSearchParams = ref object of JsObject
+  proc getUrlSearchParams(): URLSearchParams {.importjs: "new URLSearchParams(window.location.search)".}
+  proc forEachEntry(self: URLSearchParams, callback: proc(args: openArray[cstring])) {.importjs: "#.entries().forEach(#)".}
+
+  let params = getUrlSearchParams()
+  params.forEachEntry proc(args: openArray[cstring]) =
+    debugf"args: {args}"
+    let key = $args[0]
+    let val = $args[1]
+    case key
+    of "no-nimscript", "n":
+      result.disableNimScriptPlugins = true
+
+    of "no-wasm", "w":
+      result.disableWasmPlugins = true
+
+    of "no-opts", "o":
+      result.dontRestoreOptions = true
+
+    of "no-config", "c":
+      result.dontRestoreConfig = true
+
+    of "no-config-opts":
+      result.dontRestoreConfig = true
+      result.dontRestoreOptions = true
+
+    of "clean":
+      result.dontRestoreConfig = true
+      result.dontRestoreOptions = true
+      result.disableNimScriptPlugins = true
+      result.disableWasmPlugins = true
+
+    of "session", "s":
+      result.sessionOverride = val.some
+
 proc runApp(): Future[void] {.async.} =
-  discard await newEditor(Backend.Browser, rend)
+  let options = getAppOptions()
+  discard await newEditor(Backend.Browser, rend, options)
 
   discard rend.onKeyPress.subscribe proc(event: auto): void = requestRender()
   discard rend.onKeyRelease.subscribe proc(event: auto): void = requestRender()

src/app.nim

@@ -156,6 +156,8 @@ type
 
     scriptActions: Table[string, ScriptAction]
 
+    sessionFile: string
+
 var gEditor* {.exportc.}: App = nil
 
 implTrait ConfigProvider, App:
@@ -753,6 +755,8 @@ proc newEditor*(backend: api.Backend, platform: Platform, options = AppOptions()
 
   addHandler AppLogger(app: self)
 
+  log lvlInfo, fmt"Creating App with backend {backend} and options {options}"
+
   gEditor = self
   gAppInterface = self.asAppInterface
   self.platform = platform
@@ -838,8 +842,11 @@ proc newEditor*(backend: api.Backend, platform: Platform, options = AppOptions()
 
   var state = EditorState()
   try:
+    self.sessionFile = "./config/config.json"
+
     if not options.dontRestoreConfig:
-      let stateJson = fs.loadApplicationFile("./config/config.json").parseJson
+      self.sessionFile = options.sessionOverride.get("./config/config.json")
+      let stateJson = fs.loadApplicationFile(self.sessionFile).parseJson
       state = stateJson.jsonTo(EditorState, JOptions(allowMissingKeys: true, allowExtraKeys: true))
       log(lvlInfo, fmt"Restoring state {stateJson.pretty}")
 
@@ -1082,7 +1089,7 @@ proc saveAppState*(self: App) {.expose("editor").} =
       state.hiddenEditors.add editorState
 
   let serialized = state.toJson
-  fs.saveApplicationFile("./config/config.json", serialized.pretty)
+  fs.saveApplicationFile(self.sessionFile, serialized.pretty)
   fs.saveApplicationFile("./config/options.json", self.options.pretty)
 
 proc requestRender*(self: App, redrawEverything: bool = false) {.expose("editor").} =

src/app_options.nim

@@ -5,4 +5,5 @@ type AppOptions* = object
   disableWasmPlugins*: bool
   dontRestoreOptions*: bool
   dontRestoreConfig*: bool
-  fileToOpen*: Option[string]
+  fileToOpen*: Option[string]
+  sessionOverride*: Option[string]