Publish built Camino package runtime artifacts
This commit is contained in:
Timothy J. Aveni
Vendored
+592
@@ -0,0 +1,592 @@
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import fs from "node:fs";
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import path from "node:path";
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import protobuf from "protobufjs";
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const CLASS_OPTION = "(camino.class)";
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const INTERFACE_OPTION = "(camino.interface)";
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const IMPLEMENTS_OPTION = "(camino.implements)";
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const CONSTRUCTOR_OPTION = "(camino.constructor)";
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const METHOD_OPTION = "(camino.method)";
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const MIGRATION_OPTION = "(camino.migration)";
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const CONFLICT_OPTION = "(camino.conflict)";
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const EDGE_OPTION = "(camino.edge)";
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const FIELD_STORAGE_OPTION = "(camino.field_storage)";
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const FIELD_OPS_OPTION = "(camino.field_ops)";
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const INTERFACE_FIELD_OPTION = "(camino.interface_field)";
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const DISPLAY_LABEL_OPTION = "(camino.display_label)";
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const IMPL_OPTION = "(camino.impl)";
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const SCHEMA_NAMESPACE_OPTION = "(camino.schema_namespace)";
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const SCHEMA_VERSION_OPTION = "(camino.schema_version)";
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const enumName = (value) => String(value)
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.replace(/([a-z0-9])([A-Z])/g, "$1_$2")
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.replace(/-/g, "_")
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.toUpperCase();
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const lowerEnumName = (value) => enumName(value).toLowerCase();
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const getOption = (options, name) => {
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if (!options) {
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return undefined;
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}
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if (Object.hasOwn(options, name)) {
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return options[name];
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}
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const bareName = name.replace(/^\((.*)\)$/, "$1");
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if (Object.hasOwn(options, bareName)) {
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return options[bareName];
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}
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return undefined;
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};
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const getParsedOptions = (reflection) => {
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const parsedOptions = reflection
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.parsedOptions;
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return Array.isArray(parsedOptions)
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? parsedOptions.filter((option) => Boolean(option) && typeof option === "object" && !Array.isArray(option))
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: [];
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};
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const getReflectionOptions = (reflection, name) => {
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const parsedValues = getParsedOptions(reflection).flatMap((option) => {
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const value = getOption(option, name);
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return value === undefined ? [] : [value];
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});
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if (parsedValues.length > 0) {
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return parsedValues;
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}
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const value = getOption(reflection.options, name);
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return value === undefined ? [] : [value];
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};
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const getReflectionOption = (reflection, name) => getReflectionOptions(reflection, name)[0];
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const asObject = (value) => value && typeof value === "object" && !Array.isArray(value)
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? value
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: undefined;
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const asArray = (value) => Array.isArray(value) ? value : value === undefined ? [] : [value];
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const readString = (object, key) => {
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const value = object?.[key];
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return typeof value === "string" ? value : undefined;
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};
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const readNumber = (object, key) => {
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const value = object?.[key];
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return typeof value === "number" && Number.isFinite(value)
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? value
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: undefined;
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};
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const readBoolean = (object, key) => {
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const value = object?.[key];
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return typeof value === "boolean" ? value : undefined;
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};
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const symbolRefFromOption = (value, fallback) => {
|
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const object = asObject(value);
|
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if (!object) {
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return fallback;
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}
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return {
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namespace: readString(object, "namespace") ?? fallback.namespace,
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name: readString(object, "name") ?? fallback.name,
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version: readString(object, "version") ?? fallback.version,
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...(readString(object, "hash")
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? { hash: readString(object, "hash") }
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: {}),
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};
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};
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const typeRefFromOption = (value, fallbackVersion) => {
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const object = asObject(value);
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if (!object) {
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return undefined;
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}
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const symbol = asObject(object.symbol)
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? symbolRefFromOption(object.symbol, {
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namespace: "",
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name: "",
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version: fallbackVersion,
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})
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: undefined;
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const protoType = readString(object, "proto_type")?.replace(/^\./, "");
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const symbolProtoType = symbol?.namespace && symbol.name ? `${symbol.namespace}.${symbol.name}` : "";
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const resolvedProtoType = protoType ?? symbolProtoType;
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if (!resolvedProtoType) {
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return undefined;
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}
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return {
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protoType: resolvedProtoType,
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...(symbol?.namespace && symbol.name ? { symbol } : {}),
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};
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};
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const interfaceFieldContractFromOption = (value, schemaVersion) => {
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const object = asObject(value);
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if (!object) {
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return undefined;
|
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}
|
||||
const type = typeRefFromOption(object.type, schemaVersion);
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return {
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required: readBoolean(object, "required") ?? false,
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readable: readBoolean(object, "readable") ?? false,
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writable: readBoolean(object, "writable") ?? false,
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watchable: readBoolean(object, "watchable") ?? false,
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...(readString(object, "type_param")
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? { typeParam: readString(object, "type_param") }
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: {}),
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...(type ? { type } : {}),
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};
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};
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const functionRefFromOption = (value) => {
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const object = asObject(value);
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if (!object) {
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throw new Error("Expected function ref option object");
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}
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const packageNamespace = readString(object, "package_namespace");
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const packageName = readString(object, "package_name");
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const symbol = readString(object, "symbol");
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if (!packageNamespace || !packageName || !symbol) {
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throw new Error("Function ref requires package_namespace, package_name, and symbol");
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}
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return {
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packageNamespace,
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packageName,
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symbol,
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...(readString(object, "operation")
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? { operation: readString(object, "operation") }
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: {}),
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...(readString(object, "version_ref")
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? { versionRef: readString(object, "version_ref") }
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: {}),
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};
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};
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const conflictFromOption = (value) => {
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const normalized = enumName(value);
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if (!value || normalized === "CONFLICT_STRATEGY_UNSPECIFIED") {
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return "preserve_conflicts";
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}
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if (normalized === "REPLACE") {
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return "replace";
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}
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if (normalized === "PRESERVE_CONFLICTS") {
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return "preserve_conflicts";
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}
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if (normalized === "CRDT") {
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return "crdt";
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}
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throw new Error(`Unknown Camino conflict strategy: ${String(value)}`);
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};
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const cardinalityFromOption = (value) => {
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const normalized = lowerEnumName(value);
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if (!value || normalized === "cardinality_unspecified") {
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return "many";
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}
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if (normalized === "optional_one" ||
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normalized === "exactly_one" ||
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normalized === "many" ||
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normalized === "many_unique" ||
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normalized === "many_ordered") {
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return normalized;
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}
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throw new Error(`Unknown Camino cardinality: ${String(value)}`);
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};
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const fieldStorageKindFromOption = (value) => {
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if (value === 5) {
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return "static_final";
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}
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const normalized = lowerEnumName(value);
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if (!value || normalized === "field_storage_kind_unspecified") {
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return "stored";
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}
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if (normalized === "stored" ||
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normalized === "derived" ||
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normalized === "lazy" ||
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normalized === "external" ||
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normalized === "static_final") {
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return normalized;
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}
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throw new Error(`Unknown Camino field storage kind: ${String(value)}`);
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};
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const fieldStorageFromOption = (value) => {
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const object = asObject(value);
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if (!object) {
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return {
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kind: "stored",
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cache: false,
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};
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}
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const kind = fieldStorageKindFromOption(object.kind);
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const resolver = object.resolver === undefined
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? undefined
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: functionRefFromOption(object.resolver);
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if ((kind === "derived" || kind === "lazy" || kind === "external") && !resolver) {
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throw new Error(`${kind} field storage requires resolver`);
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}
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return {
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kind,
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...(resolver ? { resolver } : {}),
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cache: object.cache === true,
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};
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};
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const fieldOpsFromOption = (value) => {
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const object = asObject(value);
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if (!object) {
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return undefined;
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}
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const implementation = enumName(object.implementation);
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if (implementation !== "SERVICE") {
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throw new Error(`Unsupported Camino field implementation: ${String(object.implementation)}`);
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}
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const service = readString(object, "service");
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if (!service) {
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throw new Error("SERVICE field_ops requires service");
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}
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return {
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implementation: "service",
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service,
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};
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};
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const extractFileDefaults = (sourceFile) => {
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const text = fs.readFileSync(sourceFile, "utf8");
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const packageMatch = /^\s*package\s+([a-zA-Z0-9_.]+)\s*;/m.exec(text);
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const namespaceMatch = /^\s*option\s+\(camino\.schema_namespace\)\s*=\s*"([^"]+)"\s*;/m.exec(text);
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const versionMatch = /^\s*option\s+\(camino\.schema_version\)\s*=\s*"([^"]+)"\s*;/m.exec(text);
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return {
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packageName: packageMatch?.[1] ?? "",
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schemaNamespace: namespaceMatch?.[1] ?? packageMatch?.[1] ?? "",
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schemaVersion: versionMatch?.[1] ?? "1",
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};
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};
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const protoSymbolFromReflection = (reflection, fallbackVersion) => {
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if (!reflection?.fullName) {
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return undefined;
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}
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const parts = reflection.fullName.replace(/^\./, "").split(".");
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const name = parts.pop();
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if (!name) {
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return undefined;
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}
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return {
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namespace: parts.join("."),
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name,
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version: fallbackVersion,
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};
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};
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const typeRefForField = (field, schemaVersion) => {
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const symbol = protoSymbolFromReflection(field.resolvedType, schemaVersion);
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const enumValues = field.resolvedType instanceof protobuf.Enum
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? Object.entries(field.resolvedType.values)
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.filter(([_name, value]) => value !== 0)
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.map(([name]) => name)
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: undefined;
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return {
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protoType: field.type,
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...(symbol ? { symbol } : {}),
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...(enumValues ? { enumValues } : {}),
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};
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};
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const typeRefForType = (type, fallbackType, schemaVersion) => {
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const symbol = protoSymbolFromReflection(type ?? null, schemaVersion);
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return {
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protoType: type?.fullName?.replace(/^\./, "") ?? fallbackType,
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...(symbol ? { symbol } : {}),
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};
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};
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const fieldSchemaFromField = (field, schemaVersion) => {
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const storage = fieldStorageFromOption(getReflectionOption(field, FIELD_STORAGE_OPTION));
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const ops = fieldOpsFromOption(getReflectionOption(field, FIELD_OPS_OPTION));
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if (ops && storage.kind !== "stored" && storage.kind !== "static_final") {
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throw new Error(`Field ${field.fullName} cannot declare both field_ops and package-resolved storage`);
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}
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if (storage.kind === "static_final" && !ops) {
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throw new Error(`Field ${field.fullName} with static_final storage requires field_ops`);
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}
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const interfaceContract = interfaceFieldContractFromOption(getReflectionOption(field, INTERFACE_FIELD_OPTION), schemaVersion);
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return {
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name: field.name,
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tag: field.id,
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type: typeRefForField(field, schemaVersion),
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conflict: conflictFromOption(getReflectionOption(field, CONFLICT_OPTION)),
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repeated: field.repeated,
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optional: field.optional,
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storage,
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...(ops ? { ops } : {}),
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...(interfaceContract ? { interfaceContract } : {}),
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isDisplayLabel: getReflectionOption(field, DISPLAY_LABEL_OPTION) === true,
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};
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};
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const isStringType = (type) => type.protoType === "string" || type.protoType === "google.protobuf.StringValue";
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const validateDisplayLabelFields = (type, fields, operationServices) => {
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const displayLabelFields = fields.filter((field) => field.isDisplayLabel);
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if (displayLabelFields.length > 1) {
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throw new Error(`Class ${type.fullName} declares multiple Camino display label fields`);
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}
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const displayLabelField = displayLabelFields[0];
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if (!displayLabelField) {
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return;
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}
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if (!displayLabelField.ops) {
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if (!isStringType(displayLabelField.type)) {
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throw new Error(`Display label field ${type.fullName}.${displayLabelField.name} must have string type`);
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}
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return;
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}
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const serviceName = displayLabelField.ops.service.replace(/^\./, "");
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const getOperation = operationServices
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.find((service) => service.fullName === serviceName)
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?.operations.find((operation) => operation.name === "Get");
|
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if (!getOperation || !isStringType(getOperation.outputType)) {
|
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throw new Error(`Display label field ${type.fullName}.${displayLabelField.name} must resolve to string`);
|
||||
}
|
||||
};
|
||||
const typeBindingFromOption = (value, schemaVersion) => {
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||||
const object = asObject(value);
|
||||
if (!object) {
|
||||
return undefined;
|
||||
}
|
||||
const name = readString(object, "name");
|
||||
const type = typeRefFromOption(object.type, schemaVersion);
|
||||
if (!name || !type) {
|
||||
throw new Error("Interface type_binding requires name and type");
|
||||
}
|
||||
return { name, type };
|
||||
};
|
||||
const interfaceImplementationFromOption = (value, defaults) => {
|
||||
const object = asObject(value);
|
||||
if (!object) {
|
||||
throw new Error("Expected implements option object");
|
||||
}
|
||||
const interfaceId = symbolRefFromOption(object.interface, {
|
||||
namespace: defaults.schemaNamespace,
|
||||
name: "",
|
||||
version: defaults.schemaVersion,
|
||||
});
|
||||
if (!interfaceId.name) {
|
||||
throw new Error("implements option requires interface name");
|
||||
}
|
||||
return {
|
||||
interface: interfaceId,
|
||||
typeBindings: asArray(object.type_binding)
|
||||
.map((binding) => typeBindingFromOption(binding, defaults.schemaVersion))
|
||||
.filter((binding) => Boolean(binding)),
|
||||
};
|
||||
};
|
||||
const serviceName = (service) => service.fullName.replace(/^\./, "");
|
||||
const operationFromMethod = (method, schemaVersion) => {
|
||||
const fn = functionRefFromOption(getReflectionOption(method, IMPL_OPTION));
|
||||
const methodWithTypes = method;
|
||||
return {
|
||||
name: method.name,
|
||||
inputType: typeRefForType(methodWithTypes.resolvedRequestType, method.requestType, schemaVersion),
|
||||
outputType: typeRefForType(methodWithTypes.resolvedResponseType, method.responseType, schemaVersion),
|
||||
function: fn,
|
||||
};
|
||||
};
|
||||
const operationServiceFromService = (service, schemaVersion) => ({
|
||||
name: service.name,
|
||||
fullName: serviceName(service),
|
||||
operations: service.methodsArray.map((method) => operationFromMethod(method, schemaVersion)),
|
||||
});
|
||||
const classSchemaFromType = (type, sourceFile, defaults, operationServices) => {
|
||||
const classOption = asObject(getReflectionOption(type, CLASS_OPTION));
|
||||
if (!classOption) {
|
||||
return undefined;
|
||||
}
|
||||
const fallbackClassRef = {
|
||||
namespace: defaults.schemaNamespace,
|
||||
name: type.name,
|
||||
version: defaults.schemaVersion,
|
||||
};
|
||||
const classId = symbolRefFromOption(classOption.id, fallbackClassRef);
|
||||
const classVersion = readNumber(classOption, "version") ?? Number(classId.version);
|
||||
if (!Number.isInteger(classVersion) || classVersion <= 0) {
|
||||
throw new Error(`Class ${type.fullName} has invalid Camino class version`);
|
||||
}
|
||||
const fields = type.fieldsArray.map((field) => fieldSchemaFromField(field, defaults.schemaVersion));
|
||||
validateDisplayLabelFields(type, fields, operationServices);
|
||||
const edges = type.fieldsArray.flatMap((field) => {
|
||||
const edgeOption = asObject(getReflectionOption(field, EDGE_OPTION));
|
||||
if (!edgeOption) {
|
||||
return [];
|
||||
}
|
||||
const targetClass = symbolRefFromOption(edgeOption.target, {
|
||||
namespace: defaults.schemaNamespace,
|
||||
name: "",
|
||||
version: defaults.schemaVersion,
|
||||
});
|
||||
if (!targetClass.name) {
|
||||
throw new Error(`Edge field ${type.fullName}.${field.name} requires target`);
|
||||
}
|
||||
const cardinality = cardinalityFromOption(edgeOption.cardinality);
|
||||
const sourceType = typeRefForField(field, defaults.schemaVersion);
|
||||
if (sourceType.symbol?.namespace !== "camino" ||
|
||||
sourceType.symbol.name !== "Ref") {
|
||||
throw new Error(`Edge field ${type.fullName}.${field.name} must use camino.Ref`);
|
||||
}
|
||||
const isMany = cardinality === "many" ||
|
||||
cardinality === "many_unique" ||
|
||||
cardinality === "many_ordered";
|
||||
if (isMany && !field.repeated) {
|
||||
throw new Error(`Edge field ${type.fullName}.${field.name} must be repeated for ${cardinality}`);
|
||||
}
|
||||
if (!isMany && field.repeated) {
|
||||
throw new Error(`Edge field ${type.fullName}.${field.name} must not be repeated for ${cardinality}`);
|
||||
}
|
||||
const edgeId = symbolRefFromOption(edgeOption.id, {
|
||||
namespace: defaults.schemaNamespace,
|
||||
name: `${type.name}.${field.name}`,
|
||||
version: defaults.schemaVersion,
|
||||
});
|
||||
return [
|
||||
{
|
||||
id: edgeId,
|
||||
sourceField: field.name,
|
||||
fromClass: classId,
|
||||
toClass: targetClass,
|
||||
cardinality,
|
||||
...(readString(edgeOption, "inverse")
|
||||
? { inverse: readString(edgeOption, "inverse") }
|
||||
: {}),
|
||||
fields: [],
|
||||
},
|
||||
];
|
||||
});
|
||||
const methods = getReflectionOptions(type, METHOD_OPTION)
|
||||
.map(asObject)
|
||||
.filter((option) => Boolean(option))
|
||||
.map((option) => {
|
||||
const name = readString(option, "name");
|
||||
if (!name) {
|
||||
throw new Error(`Method option on ${type.fullName} requires name`);
|
||||
}
|
||||
return {
|
||||
name,
|
||||
function: functionRefFromOption(option.function),
|
||||
};
|
||||
});
|
||||
const migrations = getReflectionOptions(type, MIGRATION_OPTION)
|
||||
.map(asObject)
|
||||
.filter((option) => Boolean(option))
|
||||
.map((option) => {
|
||||
const fromVersion = readNumber(option, "from_version");
|
||||
const toVersion = readNumber(option, "to_version");
|
||||
if (!fromVersion || !toVersion) {
|
||||
throw new Error(`Migration option on ${type.fullName} requires versions`);
|
||||
}
|
||||
return {
|
||||
fromVersion,
|
||||
toVersion,
|
||||
function: functionRefFromOption(option.function),
|
||||
};
|
||||
});
|
||||
const constructorOption = asObject(getReflectionOption(type, CONSTRUCTOR_OPTION));
|
||||
const constructorSpec = constructorOption
|
||||
? { function: functionRefFromOption(constructorOption.function) }
|
||||
: undefined;
|
||||
return {
|
||||
id: classId,
|
||||
version: classVersion,
|
||||
fields,
|
||||
edges,
|
||||
methods,
|
||||
migrations,
|
||||
operationServices,
|
||||
implements: getReflectionOptions(type, IMPLEMENTS_OPTION).map((option) => interfaceImplementationFromOption(option, defaults)),
|
||||
...(constructorSpec ? { constructorSpec } : {}),
|
||||
sourceFile,
|
||||
protoMessage: type.fullName,
|
||||
};
|
||||
};
|
||||
const interfaceSchemaFromType = (type, sourceFile, defaults) => {
|
||||
const interfaceOption = asObject(getReflectionOption(type, INTERFACE_OPTION));
|
||||
if (!interfaceOption) {
|
||||
return undefined;
|
||||
}
|
||||
const classOption = asObject(getReflectionOption(type, CLASS_OPTION));
|
||||
if (classOption) {
|
||||
throw new Error(`${type.fullName} cannot be both a Camino class and interface`);
|
||||
}
|
||||
const fallbackInterfaceRef = {
|
||||
namespace: defaults.schemaNamespace,
|
||||
name: type.name,
|
||||
version: defaults.schemaVersion,
|
||||
};
|
||||
const interfaceId = symbolRefFromOption(interfaceOption.id, fallbackInterfaceRef);
|
||||
const interfaceVersion = readNumber(interfaceOption, "version") ?? Number(interfaceId.version);
|
||||
if (!Number.isInteger(interfaceVersion) || interfaceVersion <= 0) {
|
||||
throw new Error(`Interface ${type.fullName} has invalid Camino interface version`);
|
||||
}
|
||||
return {
|
||||
id: interfaceId,
|
||||
version: interfaceVersion,
|
||||
fields: type.fieldsArray.map((field) => fieldSchemaFromField(field, defaults.schemaVersion)),
|
||||
sourceFile,
|
||||
protoMessage: type.fullName,
|
||||
};
|
||||
};
|
||||
const walkTypes = (namespace, visit) => {
|
||||
for (const nested of namespace.nestedArray) {
|
||||
if (nested instanceof protobuf.Type) {
|
||||
visit(nested);
|
||||
walkTypes(nested, visit);
|
||||
}
|
||||
else if (nested instanceof protobuf.Namespace) {
|
||||
walkTypes(nested, visit);
|
||||
}
|
||||
}
|
||||
};
|
||||
const walkServices = (namespace, visit) => {
|
||||
for (const nested of namespace.nestedArray) {
|
||||
if (nested instanceof protobuf.Service) {
|
||||
visit(nested);
|
||||
}
|
||||
else if (nested instanceof protobuf.Namespace) {
|
||||
walkServices(nested, visit);
|
||||
}
|
||||
}
|
||||
};
|
||||
export const compileCaminoSchema = async (sourceFile) => {
|
||||
const absoluteSourceFile = path.resolve(sourceFile);
|
||||
const defaults = extractFileDefaults(absoluteSourceFile);
|
||||
const root = new protobuf.Root();
|
||||
const envIncludeDirs = [
|
||||
process.env.QUIXOS_PROTO_PATH,
|
||||
process.env.CAMINO_PROTO_PATH,
|
||||
]
|
||||
.filter((value) => Boolean(value))
|
||||
.join(path.delimiter)
|
||||
.split(path.delimiter)
|
||||
.map((entry) => entry.trim())
|
||||
.filter(Boolean)
|
||||
.map((entry) => path.resolve(entry));
|
||||
const includeDirs = [
|
||||
path.dirname(absoluteSourceFile),
|
||||
path.resolve("../../quixos-protocol/proto"),
|
||||
path.resolve("quixos-protocol/proto"),
|
||||
path.resolve("proto"),
|
||||
...envIncludeDirs,
|
||||
];
|
||||
root.resolvePath = (origin, target) => {
|
||||
if (path.isAbsolute(target) && fs.existsSync(target)) {
|
||||
return target;
|
||||
}
|
||||
const originDir = origin ? path.dirname(origin) : undefined;
|
||||
const candidates = [
|
||||
...(originDir ? [path.resolve(originDir, target)] : []),
|
||||
...includeDirs.map((dir) => path.resolve(dir, target)),
|
||||
];
|
||||
const found = candidates.find((candidate) => fs.existsSync(candidate));
|
||||
return found ?? target;
|
||||
};
|
||||
await root.load(absoluteSourceFile, { keepCase: true });
|
||||
root.resolveAll();
|
||||
const operationServices = [];
|
||||
walkServices(root, (service) => {
|
||||
operationServices.push(operationServiceFromService(service, defaults.schemaVersion));
|
||||
});
|
||||
const classes = [];
|
||||
const interfaces = [];
|
||||
walkTypes(root, (type) => {
|
||||
const interfaceSchema = interfaceSchemaFromType(type, absoluteSourceFile, defaults);
|
||||
if (interfaceSchema) {
|
||||
interfaces.push(interfaceSchema);
|
||||
}
|
||||
const classSchema = classSchemaFromType(type, absoluteSourceFile, defaults, operationServices);
|
||||
if (classSchema) {
|
||||
classes.push(classSchema);
|
||||
}
|
||||
});
|
||||
return {
|
||||
sourceFile: absoluteSourceFile,
|
||||
classes,
|
||||
interfaces,
|
||||
};
|
||||
};
|
||||
Reference in New Issue
Block a user