46 lines
1.3 KiB
TypeScript
46 lines
1.3 KiB
TypeScript
import type { MappingInfo } from "~/lib/api"
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import { isSameOrUnderPath, normalizeServerPath } from "./path"
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/**
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* 按最长前缀匹配查找服务端路径所属的 Mapping，未命中返回 null。
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*/
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export function findMapping(
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mappings: MappingInfo[],
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serverPath: string,
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): MappingInfo | null {
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const target = normalizeServerPath(serverPath)
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let matched: MappingInfo | null = null
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for (const mapping of mappings) {
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if (isSameOrUnderPath(mapping.serverPath, target)) {
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if (!matched || mapping.serverPath.length > matched.serverPath.length) {
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matched = mapping
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}
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}
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}
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return matched
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}
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/**
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* 依据 Mapping 推导服务端路径对应的本地路径，未映射返回 null。
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*/
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export function resolveLocalPath(
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mappings: MappingInfo[],
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serverPath: string,
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): string | null {
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const target = normalizeServerPath(serverPath)
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const mapping = findMapping(mappings, target)
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if (!mapping) {
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return null
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}
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const base = normalizeServerPath(mapping.serverPath)
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if (target === base) {
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return mapping.localPath
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}
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const suffix = target.slice(base.length === 2 ? base.length : base.length + 1)
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const localBase = mapping.localPath.endsWith("/")
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? mapping.localPath.slice(0, -1)
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: mapping.localPath
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return `${localBase}/${suffix}`
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}
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