@lifeart/gxt/dist/src/core/helpers/fn.d.ts

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/**
 * The `fn` helper for currying functions with bound arguments.
 *
 * Important: We only unwrap getter functions (arrow functions with no prototype),
 * NOT Cells. This is because:
 * - Getters like `() => this.value` should be evaluated at call time
 * - But Cells passed as arguments should remain as Cells so callbacks can call `.update()` on them
 *
 * Example: `{{fn this.updateCell this.myCell}}` - myCell should stay as a Cell
 *
 * Design notes:
 * - This helper is designed to work with IS_GLIMMER_COMPAT_MODE=true (the default)
 * - In compat mode, the compiler wraps arguments in getters for reactivity
 * - We unwrap these getters at call time, but preserve Cells for callback use
 * - Unlike `unwrap()` which unwraps both getters AND Cells, this only unwraps getters
 */
export declare function $__fn(fn: Function, ...args: unknown[]): (...tail: unknown[]) => any;