refactor(codemode): split interpreter and stdlib (#35572)

packages/codemode/src/stdlib/math.ts

@@ -0,0 +1,65 @@
+export const mathConstants = new Set(["PI", "E", "LN2", "LN10", "LOG2E", "LOG10E", "SQRT2", "SQRT1_2"])
+
+export const mathMethods = new Set([
+  "max",
+  "min",
+  "abs",
+  "floor",
+  "ceil",
+  "round",
+  "trunc",
+  "sign",
+  "sqrt",
+  "cbrt",
+  "pow",
+  "hypot",
+  "log",
+  "log2",
+  "log10",
+  "exp",
+])
+
+export const invokeMathMethod = (name: string, args: Array<unknown>, node: AstNode): number => {
+  if (!mathMethods.has(name)) throw new InterpreterRuntimeError(`Math.${name} is not available in CodeMode.`, node)
+  const nums = args.map((arg) => {
+    if (typeof arg !== "number") throw new InterpreterRuntimeError(`Math.${name} expects number arguments.`, node)
+    return arg
+  })
+  const [a = Number.NaN, b = Number.NaN] = nums
+  switch (name) {
+    case "max":
+      return Math.max(...nums)
+    case "min":
+      return Math.min(...nums)
+    case "abs":
+      return Math.abs(a)
+    case "floor":
+      return Math.floor(a)
+    case "ceil":
+      return Math.ceil(a)
+    case "round":
+      return Math.round(a)
+    case "trunc":
+      return Math.trunc(a)
+    case "sign":
+      return Math.sign(a)
+    case "sqrt":
+      return Math.sqrt(a)
+    case "cbrt":
+      return Math.cbrt(a)
+    case "pow":
+      return Math.pow(a, b)
+    case "hypot":
+      return Math.hypot(...nums)
+    case "log":
+      return Math.log(a)
+    case "log2":
+      return Math.log2(a)
+    case "log10":
+      return Math.log10(a)
+    case "exp":
+      return Math.exp(a)
+  }
+  throw new InterpreterRuntimeError(`Math.${name} is not available in CodeMode.`, node)
+}
+import { type AstNode, InterpreterRuntimeError } from "../interpreter/model.js"