tricu

A lazy functional language based on Tree Calculus
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runtime-backends.ts (827B)

      1 import type { GraphStats } from './graph.js';
      2 export type Backend = 'haskell-wasm';
      3 export type RuntimeStats = GraphStats | { backend: string; linearMemoryBytes: number };
      4 export const backends = {
      5   'haskell-wasm': { label: 'Haskell', worker: './wasm-worker.js?backend=haskell-wasm' },
      6 } as const;
      7 export function backend(value: string): Backend {
      8   if (!Object.hasOwn(backends, value)) throw new Error('Unknown runtime backend');
      9   return value as Backend;
     10 }
     11 export function graphStats(stats: RuntimeStats): stats is GraphStats { return !('backend' in stats); }
     12 export function runtimeStats(stats: RuntimeStats): string {
     13   return graphStats(stats) ? `${stats.nodes.toLocaleString()} heap nodes ยท ${stats.work.toLocaleString()} work units`
     14     : `${(stats.linearMemoryBytes / 1048576).toFixed(1)} MiB WASM linear memory`;
     15 }