65 lines
1.6 KiB
TypeScript
65 lines
1.6 KiB
TypeScript
import type { ApiVersion } from "../ApiVersion.js";
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import type {
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VersionChange,
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VersionChangeConstructor,
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} from "./VersionChange.js";
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/**
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* Registry for version changes
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* Maps versions → change classes
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*/
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const changes = new Map<ApiVersion, VersionChangeConstructor[]>();
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const instances = new Map<string, VersionChange>();
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export const VersionChangeRegistryClass = {
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register({
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version,
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changes: versionChanges,
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}: {
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version: ApiVersion;
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changes: VersionChangeConstructor[];
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}) {
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changes.set(version, versionChanges);
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},
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getChangesForVersion({ version }: { version: ApiVersion }): VersionChange[] {
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const changeClasses = changes.get(version) || [];
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return changeClasses.map((ChangeClass) => {
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const key = `${version}-${ChangeClass.name}`;
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if (!instances.has(key)) {
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instances.set(key, new ChangeClass());
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}
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const instance = instances.get(key);
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if (!instance) {
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throw new Error(`Failed to create instance for ${ChangeClass.name}`);
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}
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return instance;
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});
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},
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getRegisteredVersions(): ApiVersion[] {
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return Array.from(changes.keys());
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},
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isChangeActive({
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targetVersion,
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changeClass,
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}: {
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targetVersion: ApiVersion;
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changeClass: VersionChangeConstructor;
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}): boolean {
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const change = new changeClass();
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return versionLt({ v1: targetVersion, v2: change.newVersion });
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},
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clear() {
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changes.clear();
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instances.clear();
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},
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};
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function versionLt({ v1, v2 }: { v1: ApiVersion; v2: ApiVersion }): boolean {
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const versions = Array.from(changes.keys()).sort();
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return versions.indexOf(v1) < versions.indexOf(v2);
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}
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