Initial "plugin" system with importer (#7)

plugins/insomnia-importer/index.js

@@ -0,0 +1,50 @@
+import { importEnvironment } from './importers/environment.js';
+import { importRequest } from './importers/request.js';
+import { importWorkspace } from './importers/workspace.js';
+
+const TYPES = {
+  workspace: 'workspace',
+  request: 'request',
+  environment: 'environment',
+};
+
+export function pluginHookImport(contents) {
+  const parsed = JSON.parse(contents);
+  if (!isObject(parsed)) {
+    return;
+  }
+
+  const { _type, __export_format } = parsed;
+  if (_type !== 'export' || __export_format !== 4 || !Array.isArray(parsed.resources)) {
+    return;
+  }
+
+  const resources = {
+    workspaces: [],
+    requests: [],
+    environments: [],
+  };
+
+  for (const v of parsed.resources) {
+    if (v._type === TYPES.workspace) {
+      resources.workspaces.push(importWorkspace(v));
+    } else if (v._type === TYPES.environment) {
+      resources.environments.push(importEnvironment(v));
+    } else if (v._type === TYPES.request) {
+      resources.requests.push(importRequest(v));
+    } else {
+      console.log('UNKNOWN TYPE', v._type, JSON.stringify(v, null, 2));
+    }
+  }
+
+  // Filter out any `null` values
+  resources.requests = resources.requests.filter(Boolean);
+  resources.environments = resources.environments.filter(Boolean);
+  resources.workspaces = resources.workspaces.filter(Boolean);
+
+  return resources;
+}
+
+function isObject(obj) {
+  return Object.prototype.toString.call(obj) === '[object Object]';
+}