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import { existsSync, readFileSync, rmSync, readdirSync, rmdirSync } from 'node:fs';
import { generateContract } from './codegen-contract.js';
import { generateOp } from './codegen-operation.js';
import type {
ContractKitPlugin,
PluginContext,
ContractRootNode,
OpRootNode,
ModelNode,
IncrementalManifest,
IncrementalUnit,
IncrementalOutputFile,
} from '@contractkit/core';
import {
runIncrementalCodegen,
parseIncrementalManifest,
emptyIncrementalManifest,
hashFingerprint,
collectTransitiveModelRefs,
collectTypeRefs,
} from '@contractkit/core';
import {
generateSdk,
generateSdkOptions,
generateSdkAggregator,
deriveClientClassName,
deriveClientPropertyName,
deriveSubareaClientClassName,
deriveSubareaPropertyName,
getAreaSubarea,
hasPublicOperations,
type SdkClientInfo,
type SdkAreaInfo,
} from './codegen-sdk.js';
import { generatePlainTypes } from './codegen-plain-types.js';
import {
TEMPLATE_VAR_RE,
resolveTemplate,
commonDir,
computeOpOutPath,
computeContractOutPath,
computeSdkOutPath,
computeSdkTypeOutPath,
generateBarrelFiles,
computePubliclyReachableTypes,
} from './path-utils.js';
// ─── Sub-config interfaces ─────────────────────────────────────────────────
export interface ServerConfig {
/** Directory (relative to rootDir) where server files are written. Default: rootDir. */
baseDir?: string;
/** When true, `output.types` emits Zod schema files (via `generateContract`). When false/omitted, emits plain TypeScript. */
zod?: boolean;
output?: {
/** Path template for Koa router files. Supports {filename}, {dir}, {area}. */
routes?: string;
/** Path template for type/schema files. Supports {filename}, {dir}, {area}. */
types?: string;
};
/** Import path template for service implementations. */
servicePathTemplate?: string;
/** Whether to emit handlers for `internal` operations. Default true. */
includeInternal?: boolean;
}
export interface SdkConfig {
baseDir?: string;
name?: string;
zod?: boolean;
output?: {
sdk?: string;
types?: string;
clients?: string;
};
includeInternal?: boolean;
}
export interface ZodConfig {
baseDir?: string;
output?: string;
}
export interface TypesConfig {
baseDir?: string;
output?: string;
}
export interface TypescriptPluginConfig {
server?: ServerConfig;
sdk?: SdkConfig;
zod?: ZodConfig;
types?: TypesConfig;
}
// ─── Caching constants ─────────────────────────────────────────────────────
/** Bumped when the codegen output shape changes in a way that should bust every per-file fingerprint. */
export const TYPESCRIPT_CODEGEN_VERSION = '1';
const MANIFEST_FILENAME = '.contractkit-typescript-manifest.json';
// ─── Plugin entry points ──────────────────────────────────────────────────
const plugin: ContractKitPlugin = {
name: 'typescript',
async generateTargets(inputs, ctx) {
const config = ctx.options as TypescriptPluginConfig;
await runTypescriptCodegen(inputs, ctx, config, ctx.rootDir);
},
};
export default plugin;
/** Build a `@contractkit/plugin-typescript` instance with explicit configuration, for programmatic use. */
export function createTypescriptPlugin(config: TypescriptPluginConfig, rootDir: string): ContractKitPlugin {
return {
name: 'typescript',
async generateTargets(inputs, ctx) {
await runTypescriptCodegen(inputs, ctx, config, rootDir);
},
};
}
/**
* Shared orchestration. Each sub-generator (server / sdk / zod / types) contributes a
* set of cacheable units (per-file fingerprints) plus a set of always-regenerated global
* files (aggregators, barrels, sdk-options). Units share a single manifest so the cache
* survives cross-cutting reads — the manifest lives at `<rootDir>/.contractkit-typescript-manifest.json`.
*
* Honors `ctx.cacheEnabled` — `--force` bypasses the manifest entirely.
*/
async function runTypescriptCodegen(
inputs: Parameters<NonNullable<ContractKitPlugin['generateTargets']>>[0],
ctx: PluginContext,
config: TypescriptPluginConfig,
rootDir: string,
): Promise<void> {
const manifestPath = resolve(rootDir, MANIFEST_FILENAME);
const prevManifest: IncrementalManifest = ctx.cacheEnabled ? readManifest(manifestPath) : emptyIncrementalManifest(TYPESCRIPT_CODEGEN_VERSION);
const units: IncrementalUnit[] = [];
const globalFiles: IncrementalOutputFile[] = [];
if (config.server) collectServerOutput(config.server, rootDir, inputs, units);
if (config.sdk) collectSdkOutput(config.sdk, rootDir, inputs, units, globalFiles);
Iif (config.zod) collectZodOutput(config.zod, rootDir, inputs, units);
Iif (config.types) collectTypesOutput(config.types, rootDir, inputs, units);
const result = runIncrementalCodegen({
codegenVersion: TYPESCRIPT_CODEGEN_VERSION,
manifestFilename: manifestPath,
prevManifest,
globalFiles,
units,
// Paths are absolute, so existsSync works directly.
fileExists: existsSync,
});
deleteStalePaths(result.deletedPaths);
for (const { relativePath, content } of result.filesToWrite) {
ctx.emitFile(relativePath, content);
}
}
// ─── Cross-file dependency analysis ────────────────────────────────────────
/** Build a quick lookup from model name → its definition. */
function buildModelMap(contractRoots: readonly ContractRootNode[]): Map<string, ModelNode> {
const map = new Map<string, ModelNode>();
for (const root of contractRoots) {
for (const model of root.models) map.set(model.name, model);
}
return map;
}
/** Collect every model referenced by this contract root (own models' fields + bases). Used to slice cross-file fingerprint inputs to just what this file actually depends on. */
function collectContractRootRefs(root: ContractRootNode, modelMap: Map<string, ModelNode>): Set<string> {
const seeds: Parameters<typeof collectTypeRefs>[0][] = [];
for (const m of root.models) {
Iif (m.type) seeds.push(m.type);
for (const f of m.fields) seeds.push(f.type);
Iif (m.bases) {
for (const b of m.bases) seeds.push({ kind: 'ref', name: b } as Parameters<typeof collectTypeRefs>[0]);
}
}
return collectTransitiveModelRefs(seeds, modelMap);
}
/** Collect every model referenced by an op root's routes/operations (transitive). */
function collectOpRootRefs(root: OpRootNode, modelMap: Map<string, ModelNode>): Set<string> {
const seeds: Parameters<typeof collectTypeRefs>[0][] = [];
for (const route of root.routes) {
if (route.params) seeds.push(...paramSourceTypes(route.params));
for (const op of route.operations) {
Iif (op.query) seeds.push(...paramSourceTypes(op.query));
Iif (op.headers) seeds.push(...paramSourceTypes(op.headers));
if (op.request) {
for (const body of op.request.bodies) seeds.push(body.bodyType);
}
for (const resp of op.responses) {
if (resp.bodyType) seeds.push(resp.bodyType);
Iif (resp.headers) {
for (const h of resp.headers) seeds.push(h.type);
}
}
}
}
return collectTransitiveModelRefs(seeds, modelMap);
}
function paramSourceTypes(src: NonNullable<OpRootNode['routes'][number]['params']>): Parameters<typeof collectTypeRefs>[0][] {
const out: Parameters<typeof collectTypeRefs>[0][] = [];
if (src.kind === 'params') {
for (const n of src.nodes) out.push(n.type);
} else Eif (src.kind === 'ref') {
out.push({ kind: 'ref', name: src.name } as Parameters<typeof collectTypeRefs>[0]);
} else if (src.kind === 'type') {
out.push(src.node);
}
return out;
}
/** Build a sorted, JSON-stable record of (modelName -> outPath) for refs this unit depends on. */
function sliceOutPathMap(refs: Set<string>, modelOutPaths: Map<string, string>, modelsWithInput: Set<string>, modelsWithOutput: Set<string>): Record<string, string> {
const slice: Record<string, string> = {};
for (const ref of [...refs].sort()) {
const p = modelOutPaths.get(ref);
Iif (p) slice[ref] = p;
Iif (modelsWithInput.has(ref)) {
const ip = modelOutPaths.get(`${ref}Input`);
if (ip) slice[`${ref}Input`] = ip;
}
Iif (modelsWithOutput.has(ref)) {
const op = modelOutPaths.get(`${ref}Output`);
if (op) slice[`${ref}Output`] = op;
}
}
return slice;
}
/** Slice modelsWithInput/Output to only the names relevant to this unit. */
function sliceModelSet(refs: Set<string>, ownNames: Set<string>, set: Set<string>): string[] {
const result: string[] = [];
for (const name of set) {
if (refs.has(name) || ownNames.has(name)) result.push(name);
}
return result.sort();
}
// ─── Server sub-generator ──────────────────────────────────────────────────
function collectServerOutput(
config: ServerConfig,
rootDir: string,
inputs: Parameters<NonNullable<ContractKitPlugin['generateTargets']>>[0],
units: IncrementalUnit[],
): void {
const serverBase = resolve(rootDir, config.baseDir ?? '.');
const modelsWithInput = inputs.modelsWithInput as Set<string>;
const modelsWithOutput = inputs.modelsWithOutput as Set<string>;
const modelMap = buildModelMap(inputs.contractRoots);
const allFiles = [...inputs.contractRoots.map(r => r.file), ...inputs.opRoots.map(r => r.file)];
const commonRoot = commonDir(allFiles, rootDir);
const subConfigKey = stableSubConfig(config);
// Pre-pass: register all model → outPath. Cross-file refs need to resolve correctly,
// which means we need the COMPLETE map (not a slice) — even though each unit's fingerprint
// only includes its own slice.
const serverModelOutPaths = new Map<string, string>();
const typeEntries: { ast: ContractRootNode; typeOutPath: string }[] = [];
if (config.output?.types) {
for (const ast of inputs.contractRoots) {
const typeOutPath = computeContractOutPath(ast.file, serverBase, config.output.types, '.ts', commonRoot, ast.meta);
typeEntries.push({ ast, typeOutPath });
for (const model of ast.models) {
serverModelOutPaths.set(model.name, typeOutPath);
Iif (modelsWithInput.has(model.name)) serverModelOutPaths.set(`${model.name}Input`, typeOutPath);
Iif (modelsWithOutput.has(model.name)) serverModelOutPaths.set(`${model.name}Output`, typeOutPath);
}
}
}
// ── Per-contract-root types unit ──
for (const { ast, typeOutPath } of typeEntries) {
const refs = collectContractRootRefs(ast, modelMap);
const ownNames = new Set(ast.models.map(m => m.name));
const fingerprint = hashFingerprint({
kind: 'server-types',
v: TYPESCRIPT_CODEGEN_VERSION,
outPath: typeOutPath,
root: ast,
outPathSlice: sliceOutPathMap(refs, serverModelOutPaths, modelsWithInput, modelsWithOutput),
modelsWithInput: sliceModelSet(refs, ownNames, modelsWithInput),
modelsWithOutput: sliceModelSet(refs, ownNames, modelsWithOutput),
sub: subConfigKey,
});
units.push({
key: `server-types::${typeOutPath}`,
fingerprint,
render: () => {
const renderCtx = {
modelOutPaths: serverModelOutPaths,
currentOutPath: typeOutPath,
modelsWithInput,
modelsWithOutput,
};
const content = config.zod ? generateContract(ast, renderCtx) : generatePlainTypes(ast, renderCtx);
return [{ relativePath: typeOutPath, content }];
},
});
}
// ── Per-op-root router unit ──
for (const ast of inputs.opRoots) {
const outPath = computeOpOutPath(ast.file, serverBase, config.output?.routes, '.router.ts', commonRoot, ast.meta);
const refs = collectOpRootRefs(ast, modelMap);
const fingerprint = hashFingerprint({
kind: 'server-router',
v: TYPESCRIPT_CODEGEN_VERSION,
outPath,
root: ast,
// The router imports types from each contract root's type file; the slice covers exactly that.
outPathSlice: sliceOutPathMap(refs, serverModelOutPaths, modelsWithInput, modelsWithOutput),
modelsWithInput: sliceModelSet(refs, new Set(), modelsWithInput),
modelsWithOutput: sliceModelSet(refs, new Set(), modelsWithOutput),
servicePathTemplate: config.servicePathTemplate ?? null,
includeInternal: config.includeInternal ?? true,
sub: subConfigKey,
});
units.push({
key: `server-router::${outPath}`,
fingerprint,
render: () => [
{
relativePath: outPath,
content: generateOp(ast, {
servicePathTemplate: config.servicePathTemplate,
outPath,
modelOutPaths: serverModelOutPaths,
modelsWithInput,
modelsWithOutput,
includeInternal: config.includeInternal,
}),
},
],
});
}
}
// ─── SDK sub-generator ─────────────────────────────────────────────────────
function collectSdkOutput(
config: SdkConfig,
rootDir: string,
inputs: Parameters<NonNullable<ContractKitPlugin['generateTargets']>>[0],
units: IncrementalUnit[],
globalFiles: IncrementalOutputFile[],
): void {
const sdkBase = config.baseDir ? resolve(rootDir, config.baseDir) : rootDir;
const sdkName = config.name;
const sdkOutput = config.output?.sdk;
const sdkEntryPath = sdkOutput
? join(sdkBase, TEMPLATE_VAR_RE.test(sdkOutput) ? resolveTemplate(sdkOutput, { name: sdkName ?? 'sdk' }) : sdkOutput)
: join(sdkBase, 'sdk.ts');
const sdkOptionsPath = join(dirname(sdkEntryPath), 'sdk-options.ts');
const subConfigKey = stableSubConfig(config);
const modelsWithInput = inputs.modelsWithInput as Set<string>;
const modelsWithOutput = inputs.modelsWithOutput as Set<string>;
const modelMap = buildModelMap(inputs.contractRoots);
const allFiles = [...inputs.contractRoots.map(r => r.file), ...inputs.opRoots.map(r => r.file)];
const ckCommonRoot = commonDir(allFiles, rootDir);
const sdkModelOutPaths = new Map<string, string>();
const sdkTypePaths: string[] = [];
const sdkClientInfos: { outPath: string; className: string; propertyName: string }[] = [];
// ── Pre-pass: SDK type files ──
const sdkContractEntries: { ast: ContractRootNode; typeOutPath: string }[] = [];
Iif (config.output?.types) {
const publicTypes = computePubliclyReachableTypes(inputs.opRoots, inputs.contractRoots, modelsWithInput, modelsWithOutput);
for (const ast of inputs.contractRoots) {
const typeOutPath = computeSdkTypeOutPath(ast.file, sdkBase, config.output.types, ckCommonRoot, ast.meta);
if (!typeOutPath) continue;
if (publicTypes !== null && !ast.models.some(m => publicTypes.has(m.name))) continue;
sdkTypePaths.push(typeOutPath);
sdkContractEntries.push({ ast, typeOutPath });
for (const model of ast.models) {
sdkModelOutPaths.set(model.name, typeOutPath);
if (modelsWithInput.has(model.name)) sdkModelOutPaths.set(`${model.name}Input`, typeOutPath);
if (modelsWithOutput.has(model.name)) sdkModelOutPaths.set(`${model.name}Output`, typeOutPath);
}
}
}
// ── SDK type units ──
for (const { ast, typeOutPath } of sdkContractEntries) {
const refs = collectContractRootRefs(ast, modelMap);
const ownNames = new Set(ast.models.map(m => m.name));
const fingerprint = hashFingerprint({
kind: 'sdk-types',
v: TYPESCRIPT_CODEGEN_VERSION,
outPath: typeOutPath,
root: ast,
outPathSlice: sliceOutPathMap(refs, sdkModelOutPaths, modelsWithInput, modelsWithOutput),
modelsWithInput: sliceModelSet(refs, ownNames, modelsWithInput),
modelsWithOutput: sliceModelSet(refs, ownNames, modelsWithOutput),
sdkOptionsPath,
sub: subConfigKey,
});
units.push({
key: `sdk-types::${typeOutPath}`,
fingerprint,
render: () => {
let content: string;
if (config.zod) {
content = generateContract(ast, {
modelOutPaths: sdkModelOutPaths,
currentOutPath: typeOutPath,
modelsWithInput,
modelsWithOutput,
});
} else {
let rel = relative(dirname(typeOutPath), sdkOptionsPath).replace(/\.ts$/, '.js');
if (!rel.startsWith('.')) rel = './' + rel;
content = generatePlainTypes(ast, {
modelOutPaths: sdkModelOutPaths,
currentOutPath: typeOutPath,
modelsWithInput,
modelsWithOutput,
jsonValueImportPath: rel,
});
}
return [{ relativePath: typeOutPath, content }];
},
});
}
// ── Bucket op roots by area/subarea ──
interface AreaBucket {
leaves: { ast: OpRootNode; outPath: string; subarea: string }[];
inlineRoots: OpRootNode[];
}
const areaBuckets = new Map<string, AreaBucket>();
const topLevelEntries: { ast: OpRootNode; outPath: string }[] = [];
Eif (config.output?.clients) {
for (const ast of inputs.opRoots) {
const sdkOutPath = computeSdkOutPath(ast.file, sdkBase, config.output.clients, ckCommonRoot, ast.meta);
Iif (!sdkOutPath || !hasPublicOperations(ast, config.includeInternal)) continue;
const { area, subarea } = getAreaSubarea(ast);
if (area && subarea) {
const bucket = areaBuckets.get(area) ?? { leaves: [], inlineRoots: [] };
bucket.leaves.push({ ast, outPath: sdkOutPath, subarea });
areaBuckets.set(area, bucket);
} else if (area) {
const bucket = areaBuckets.get(area) ?? { leaves: [], inlineRoots: [] };
bucket.inlineRoots.push(ast);
areaBuckets.set(area, bucket);
} else {
topLevelEntries.push({ ast, outPath: sdkOutPath });
}
}
// ── Per-leaf-client (area+subarea) units ──
for (const [area, bucket] of areaBuckets.entries()) {
for (const leaf of bucket.leaves) {
const className = deriveSubareaClientClassName(area, leaf.subarea);
sdkClientInfos.push({ outPath: leaf.outPath, className, propertyName: deriveSubareaPropertyName(leaf.subarea) });
const refs = collectOpRootRefs(leaf.ast, modelMap);
const fingerprint = hashFingerprint({
kind: 'sdk-leaf-client',
v: TYPESCRIPT_CODEGEN_VERSION,
outPath: leaf.outPath,
root: leaf.ast,
outPathSlice: sliceOutPathMap(refs, sdkModelOutPaths, modelsWithInput, modelsWithOutput),
modelsWithInput: sliceModelSet(refs, new Set(), modelsWithInput),
modelsWithOutput: sliceModelSet(refs, new Set(), modelsWithOutput),
sdkOptionsPath,
className,
includeInternal: config.includeInternal ?? false,
sub: subConfigKey,
});
units.push({
key: `sdk-leaf-client::${leaf.outPath}`,
fingerprint,
render: () => [
{
relativePath: leaf.outPath,
content: generateSdk(leaf.ast, {
typeImportPathTemplate: undefined,
outPath: leaf.outPath,
modelOutPaths: sdkModelOutPaths,
sdkOptionsPath,
modelsWithInput,
modelsWithOutput,
includeInternal: config.includeInternal,
clientClassName: className,
}),
},
],
});
}
}
// ── Top-level (no area) client units ──
for (const { ast, outPath } of topLevelEntries) {
const className = deriveClientClassName(ast.file);
sdkClientInfos.push({ outPath, className, propertyName: deriveClientPropertyName(ast.file) });
const refs = collectOpRootRefs(ast, modelMap);
const fingerprint = hashFingerprint({
kind: 'sdk-top-client',
v: TYPESCRIPT_CODEGEN_VERSION,
outPath,
root: ast,
outPathSlice: sliceOutPathMap(refs, sdkModelOutPaths, modelsWithInput, modelsWithOutput),
modelsWithInput: sliceModelSet(refs, new Set(), modelsWithInput),
modelsWithOutput: sliceModelSet(refs, new Set(), modelsWithOutput),
sdkOptionsPath,
includeInternal: config.includeInternal ?? false,
sub: subConfigKey,
});
units.push({
key: `sdk-top-client::${outPath}`,
fingerprint,
render: () => [
{
relativePath: outPath,
content: generateSdk(ast, {
typeImportPathTemplate: undefined,
outPath,
modelOutPaths: sdkModelOutPaths,
sdkOptionsPath,
modelsWithInput,
modelsWithOutput,
includeInternal: config.includeInternal,
}),
},
],
});
}
}
// ── Global files: sdk-options, aggregator, barrels, root index ──
// The aggregator inlines area-only op roots, so its content depends on each inline root's
// full AST. Caching it gains little — the codegen is fast and any inline-root change rebuilds
// the file anyway. Same for barrels (one line per imported file). Always regenerate.
globalFiles.push({ relativePath: sdkOptionsPath, content: generateSdkOptions() });
const hasAnything = sdkClientInfos.length > 0 || areaBuckets.size > 0;
Eif (hasAnything) {
const sdkEntryDir = dirname(sdkEntryPath);
const sdkOptionsRel = relative(sdkEntryDir, sdkOptionsPath).replace(/\.ts$/, '.js');
const sdkOptionsImportPath = sdkOptionsRel.startsWith('.') ? sdkOptionsRel : './' + sdkOptionsRel;
const sdkClassName = sdkName
? sdkName
.split(/[-._\s]+/)
.map(s => s.charAt(0).toUpperCase() + s.slice(1))
.join('') + 'Sdk'
: 'Sdk';
const toClientImport = (info: { outPath: string; className: string; propertyName: string }): SdkClientInfo => {
let rel = relative(sdkEntryDir, info.outPath).replace(/\.ts$/, '.js');
Eif (!rel.startsWith('.')) rel = './' + rel;
return { className: info.className, propertyName: info.propertyName, importPath: rel };
};
const topLevelClients: SdkClientInfo[] = topLevelEntries.map(e => ({
className: deriveClientClassName(e.ast.file),
propertyName: deriveClientPropertyName(e.ast.file),
importPath: (() => {
const rel = relative(sdkEntryDir, e.outPath).replace(/\.ts$/, '.js');
return rel.startsWith('.') ? rel : './' + rel;
})(),
}));
const areas: SdkAreaInfo[] = [...areaBuckets.entries()]
.sort(([a], [b]) => a.localeCompare(b))
.map(([area, bucket]) => ({
area,
inlineFiles: bucket.inlineRoots.map(root => ({
root,
codegenOptions: {
typeImportPathTemplate: undefined,
outPath: sdkEntryPath,
modelOutPaths: sdkModelOutPaths,
sdkOptionsPath,
modelsWithInput,
modelsWithOutput,
includeInternal: config.includeInternal,
},
})),
subareaClients: bucket.leaves
.sort((a, b) => a.subarea.localeCompare(b.subarea))
.map(l => ({
propertyName: deriveSubareaPropertyName(l.subarea),
client: toClientImport({
outPath: l.outPath,
className: deriveSubareaClientClassName(area, l.subarea),
propertyName: deriveSubareaPropertyName(l.subarea),
}),
})),
}));
globalFiles.push({
relativePath: sdkEntryPath,
content: generateSdkAggregator({ topLevelClients, areas, sdkOptionsImportPath, sdkClassName }),
});
}
const sdkSrcDir = dirname(sdkEntryPath);
const sdkTypeBarrels = generateBarrelFiles(sdkTypePaths);
for (const barrel of sdkTypeBarrels) globalFiles.push({ relativePath: barrel.outPath, content: barrel.content });
const rootExports: string[] = [`export * from './${basename(sdkOptionsPath).replace(/\.ts$/, '.js')}';`];
Eif (hasAnything) rootExports.push(`export * from './${basename(sdkEntryPath).replace(/\.ts$/, '.js')}';`);
for (const c of sdkClientInfos) {
let rel = relative(sdkSrcDir, c.outPath).replace(/\.ts$/, '.js');
Eif (!rel.startsWith('.')) rel = './' + rel;
rootExports.push(`export * from '${rel}';`);
}
for (const barrel of sdkTypeBarrels) {
let rel = relative(sdkSrcDir, barrel.outPath).replace(/\.ts$/, '.js');
if (!rel.startsWith('.')) rel = './' + rel;
rootExports.push(`export * from '${rel}';`);
}
globalFiles.push({
relativePath: join(sdkSrcDir, 'index.ts'),
content: `// Auto-generated barrel file\n${rootExports.sort().join('\n')}\n`,
});
}
// ─── Zod sub-generator ─────────────────────────────────────────────────────
function collectZodOutput(
config: ZodConfig,
rootDir: string,
inputs: Parameters<NonNullable<ContractKitPlugin['generateTargets']>>[0],
units: IncrementalUnit[],
): void {
const zodBase = resolve(rootDir, config.baseDir ?? '.');
const allFiles = [...inputs.contractRoots.map(r => r.file), ...inputs.opRoots.map(r => r.file)];
const commonRoot = commonDir(allFiles, rootDir);
const modelsWithInput = inputs.modelsWithInput as Set<string>;
const modelsWithOutput = inputs.modelsWithOutput as Set<string>;
const modelMap = buildModelMap(inputs.contractRoots);
const subConfigKey = stableSubConfig(config);
const modelOutPaths = new Map<string, string>();
const entries: { ast: ContractRootNode; outPath: string }[] = [];
for (const ast of inputs.contractRoots) {
const outPath = computeContractOutPath(ast.file, zodBase, config.output, '.schema.ts', commonRoot, ast.meta);
entries.push({ ast, outPath });
for (const model of ast.models) {
modelOutPaths.set(model.name, outPath);
if (modelsWithInput.has(model.name)) modelOutPaths.set(`${model.name}Input`, outPath);
if (modelsWithOutput.has(model.name)) modelOutPaths.set(`${model.name}Output`, outPath);
}
}
for (const { ast, outPath } of entries) {
const refs = collectContractRootRefs(ast, modelMap);
const ownNames = new Set(ast.models.map(m => m.name));
const fingerprint = hashFingerprint({
kind: 'zod',
v: TYPESCRIPT_CODEGEN_VERSION,
outPath,
root: ast,
outPathSlice: sliceOutPathMap(refs, modelOutPaths, modelsWithInput, modelsWithOutput),
modelsWithInput: sliceModelSet(refs, ownNames, modelsWithInput),
modelsWithOutput: sliceModelSet(refs, ownNames, modelsWithOutput),
sub: subConfigKey,
});
units.push({
key: `zod::${outPath}`,
fingerprint,
render: () => [
{
relativePath: outPath,
content: generateContract(ast, { modelOutPaths, currentOutPath: outPath, modelsWithInput, modelsWithOutput }),
},
],
});
}
}
// ─── Plain types sub-generator ─────────────────────────────────────────────
function collectTypesOutput(
config: TypesConfig,
rootDir: string,
inputs: Parameters<NonNullable<ContractKitPlugin['generateTargets']>>[0],
units: IncrementalUnit[],
): void {
const typesBase = resolve(rootDir, config.baseDir ?? '.');
const allFiles = [...inputs.contractRoots.map(r => r.file), ...inputs.opRoots.map(r => r.file)];
const commonRoot = commonDir(allFiles, rootDir);
const modelsWithInput = inputs.modelsWithInput as Set<string>;
const modelsWithOutput = inputs.modelsWithOutput as Set<string>;
const modelMap = buildModelMap(inputs.contractRoots);
const subConfigKey = stableSubConfig(config);
const modelOutPaths = new Map<string, string>();
const entries: { ast: ContractRootNode; outPath: string }[] = [];
for (const ast of inputs.contractRoots) {
const outPath = computeContractOutPath(ast.file, typesBase, config.output, '.types.ts', commonRoot, ast.meta);
entries.push({ ast, outPath });
for (const model of ast.models) {
modelOutPaths.set(model.name, outPath);
if (modelsWithInput.has(model.name)) modelOutPaths.set(`${model.name}Input`, outPath);
if (modelsWithOutput.has(model.name)) modelOutPaths.set(`${model.name}Output`, outPath);
}
}
for (const { ast, outPath } of entries) {
const refs = collectContractRootRefs(ast, modelMap);
const ownNames = new Set(ast.models.map(m => m.name));
const fingerprint = hashFingerprint({
kind: 'plain-types',
v: TYPESCRIPT_CODEGEN_VERSION,
outPath,
root: ast,
outPathSlice: sliceOutPathMap(refs, modelOutPaths, modelsWithInput, modelsWithOutput),
modelsWithInput: sliceModelSet(refs, ownNames, modelsWithInput),
modelsWithOutput: sliceModelSet(refs, ownNames, modelsWithOutput),
sub: subConfigKey,
});
units.push({
key: `plain-types::${outPath}`,
fingerprint,
render: () => [
{
relativePath: outPath,
content: generatePlainTypes(ast, { modelOutPaths, currentOutPath: outPath, modelsWithInput, modelsWithOutput }),
},
],
});
}
}
// ─── Manifest IO + cleanup ─────────────────────────────────────────────────
function readManifest(manifestPath: string): IncrementalManifest {
Eif (!existsSync(manifestPath)) return emptyIncrementalManifest(TYPESCRIPT_CODEGEN_VERSION);
try {
return parseIncrementalManifest(readFileSync(manifestPath, 'utf-8'));
} catch {
return emptyIncrementalManifest(TYPESCRIPT_CODEGEN_VERSION);
}
}
function deleteStalePaths(absPaths: string[]): void {
Eif (absPaths.length === 0) return;
const removedDirs = new Set<string>();
for (const abs of absPaths) {
if (existsSync(abs)) {
rmSync(abs, { force: true });
removedDirs.add(dirname(abs));
}
}
// Walk up affected dirs and remove if empty. Bounded — stops at filesystem root or first non-empty dir.
for (const dir of removedDirs) {
let current = dir;
while (current.length > 1) {
try {
if (readdirSync(current).length === 0) {
rmdirSync(current);
current = dirname(current);
} else {
break;
}
} catch {
break;
}
}
}
}
/** Stringify a sub-config so it can participate in fingerprints. JSON.stringify gives stable output for typical config shapes. */
function stableSubConfig(config: unknown): string {
return JSON.stringify(config ?? null);
}
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