66 lines
1.9 KiB
TypeScript
66 lines
1.9 KiB
TypeScript
import type { FulfillmentChannel } from './channel-types.js'
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type JsonObject = Record<string, unknown>
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export type InternalSkuResolverInput = {
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manualSkuKey?: unknown
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skuCode?: unknown
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skuName?: unknown
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spec?: unknown
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snapshot?: unknown
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}
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function asObject(value: unknown): JsonObject {
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return value && typeof value === 'object' && !Array.isArray(value) ? (value as JsonObject) : {}
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}
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/**
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* 内部 SKU 的唯一文本归一：NFKC、去全部空白、转小写。
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* 与数据库函数 canonicalize_internal_sku() 必须保持同口径。
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*/
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export function canonicalizeInternalSku(value: unknown): string {
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return String(value ?? '')
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.normalize('NFKC')
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.replace(/\s+/gu, '')
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.trim()
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.toLowerCase()
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}
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export function containsCjk(value: string): boolean {
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return /\p{Script=Han}/u.test(value)
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}
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/**
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* 内部 SKU 的唯一解析口径。
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*
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* 只接受包含中文的内部 SKU。平台码、英文码和空值都不能成为渠道判定键；
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* 它们必须先经过 internal_sku_mappings / 中文商品名归一。
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*/
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export function resolveInternalSkuKey(input: InternalSkuResolverInput): string {
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const snapshot = asObject(input.snapshot)
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const spec = asObject(input.spec)
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const candidates = [
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snapshot.internalSku,
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input.manualSkuKey,
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spec.skuNick,
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spec.outSkuSn,
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input.skuCode,
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input.skuName,
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].map(canonicalizeInternalSku)
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return candidates.find((value) => value && containsCjk(value)) || ''
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}
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/** 渠道选择里使用的稳定顺序，仅用于同优先级时生成诊断，不用于静默改渠道。 */
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export const INTERNAL_SKU_CHANNEL_ORDER: readonly FulfillmentChannel[] = [
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'affiliate_dash',
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'work_order',
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'third_party_voucher',
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'manual',
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'on_account',
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]
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export function compareFulfillmentChannel(a: FulfillmentChannel, b: FulfillmentChannel): number {
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return INTERNAL_SKU_CHANNEL_ORDER.indexOf(a) - INTERNAL_SKU_CHANNEL_ORDER.indexOf(b)
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}
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