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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 14833x 14833x 14833x 14833x 59246x 801418x 801418x 801418x 59246x 14833x 14833x 14833x 14833x 14833x 14833x 588719x 588719x 588719x 588719x 588719x 588719x 588719x 407700x 407700x 407700x 407700x 407700x 1100475x 1100475x 693061x 693061x 693061x 693061x 693061x 693061x 693061x 693061x 320611x 320611x 320611x 693061x 693061x 1100475x 372164x 372164x 1100475x 407700x 407700x 407700x 588719x 588719x 588719x 588719x 14833x 14833x 14833x | /** @import { Visitors, Context } from 'zimmerframe' */ const overrides = { visit() { throw new Error('Cannot call visit() during analysis'); }, stop() { throw new Error('Cannot call stop() during analysis'); } }; /** * @template {{ type: string }} T * @template U * @param {...Visitors<T, U>} tasks * @returns */ export function merge(...tasks) { /** @type {Record<string, any[]>} */ const visitors = {}; for (const task of tasks) { for (const key in task) { if (!visitors[key]) visitors[key] = []; visitors[key].push(task[key]); } } /** @type {Visitors<T, U>} */ // @ts-expect-error const combined = {}; for (const key in visitors) { const fns = visitors[key]; /** * @param {T} node * @param {Context<T, U>} context */ function visitor(node, context) { /** * @param {number} i * @param {U} state */ function go(i, state) { const fn = fns[i]; if (!fn) return context.next(state); let called_next = false; fn(node, { ...context, ...overrides, state, next(next_state = state) { called_next = true; go(i + 1, next_state); } }); if (!called_next) { go(i + 1, state); } } go(0, context.state); } // @ts-expect-error combined[key] = visitor; } return combined; } |