update: state, event, condition, data.event.types

packages/vitex/index.ts

@@ -0,0 +1,24 @@
+export type RNG = (max?: number, min?: number) => number
+export function random(max: number, min: number = 0, rng?: RNG): number {
+    if (rng) return rng(max, min)
+    return Math.floor(Math.random() * (max - min + 1)) + min
+}
+export function pick<T>(items: T[], rng?: RNG) {
+    if (items.length === 0) return null
+    return items[random(items.length - 1, 0, rng)]
+}
+export type WeightItem<T> = [T, number]
+export function pickWeight<T>(items: WeightItem<T>[], rng?: RNG) {
+    if (items.length === 0) return null
+    const totalWeight = items.reduce((sum, [, weight]) => sum + weight, 0)
+    let mark = random(totalWeight - 1, 0, rng)
+    for (const [item, weight] of items) {
+        if (mark < weight) return item
+        mark -= weight
+    }
+    return null
+}
+
+export function sum(arr: number[]) {
+    return arr.reduce((sum, v) => sum + v, 0)
+}

packages/vitex/package.json

@@ -0,0 +1,14 @@
+{
+    "name": "@remake/vitex",
+    "type": "module",
+    "version": "3.0.0",
+    "main": "./index.ts",
+    "author": "Vick Scarlet <vick@syaro.io>",
+    "scripts": {
+        "lint": "eslint .",
+        "test": "bun test"
+    },
+    "eslintConfig": {
+        "extends": "../../package.json"
+    }
+}

packages/vitex/tsconfig.json

@@ -0,0 +1,29 @@
+{
+  "compilerOptions": {
+    // Environment setup & latest features
+    "lib": ["ESNext"],
+    "target": "ESNext",
+    "module": "Preserve",
+    "moduleDetection": "force",
+    "types": ["bun"],
+
+    // Bundler mode
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": true,
+    "verbatimModuleSyntax": true,
+    "noEmit": true,
+
+    // Best practices
+    "strict": true,
+    "noFallthroughCasesInSwitch": true,
+    "noUncheckedIndexedAccess": true,
+    "noImplicitOverride": true,
+
+    // Some stricter flags (disabled by default)
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "noPropertyAccessFromIndexSignature": false,
+    "noImplicitAny": true
+  },
+  "include": ["**/*"]
+}