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evaluator

Safe expression evaluation with operators support

Implements a recursive descent parser for expressions without using eval()

isSignal

typescript
export function isSignal(value: unknown): value is Dep

evaluate

Evaluate an expression against a scope object.

Supports literals, property access, operators, and member access.

typescript
export function evaluate(expr: string, scope: Scope): unknown

extractDependencies

Extract all signal dependencies from an expression by finding identifiers that correspond to signals in the scope.

typescript
export function extractDependencies(expr: string, scope: Scope): Array<Dep>