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|
// This is the actual entry point for #things.
import * as path from 'node:path';
import {fileURLToPath} from 'node:url';
import {openAggregate, showAggregate} from '#aggregate';
import CacheableObject from '#cacheable-object';
import {logError} from '#cli';
import {compositeFrom} from '#composite';
import * as serialize from '#serialize';
import {empty} from '#sugar';
import Thing from '#thing';
import * as indexExports from './index.js';
const thingConstructors = Object.create(null);
// src/data/things/index.js -> src/
const __dirname = path.dirname(
path.resolve(
fileURLToPath(import.meta.url),
'../..'));
function niceShowAggregate(error, ...opts) {
showAggregate(error, {
pathToFileURL: (f) => path.relative(__dirname, fileURLToPath(f)),
showClasses: false,
...opts,
});
}
function sortThingConstructors() {
let remaining = [];
for (const constructor of Object.values(indexExports)) {
if (typeof constructor !== 'function') continue;
if (!(constructor.prototype instanceof Thing)) continue;
remaining.push(constructor);
}
let sorted = [];
while (true) {
if (sorted[0]) {
const superclass = Object.getPrototypeOf(sorted[0]);
if (superclass !== Thing) {
if (sorted.includes(superclass)) {
sorted.unshift(...sorted.splice(sorted.indexOf(superclass), 1));
} else {
sorted.unshift(superclass);
}
continue;
}
}
if (!empty(remaining)) {
sorted.unshift(remaining.shift());
} else {
break;
}
}
for (const constructor of sorted) {
thingConstructors[constructor.name] = constructor;
}
}
function descriptorAggregateHelper({
showFailedClasses,
message,
op,
}) {
const failureSymbol = Symbol();
const aggregate = openAggregate({
message,
returnOnFail: failureSymbol,
});
const failedClasses = [];
for (const [name, constructor] of Object.entries(thingConstructors)) {
const result = aggregate.call(op, constructor);
if (result === failureSymbol) {
failedClasses.push(name);
}
}
try {
aggregate.close();
return true;
} catch (error) {
niceShowAggregate(error);
showFailedClasses(failedClasses);
/*
if (error.errors) {
for (const sub of error.errors) {
console.error(sub);
}
}
*/
return false;
}
}
function evaluatePropertyDescriptors() {
const opts = {...thingConstructors};
return descriptorAggregateHelper({
message: `Errors evaluating Thing class property descriptors`,
op(constructor) {
if (!constructor[Thing.getPropertyDescriptors]) {
throw new Error(`Missing [Thing.getPropertyDescriptors] function`);
}
const results = constructor[Thing.getPropertyDescriptors](opts);
for (const [key, value] of Object.entries(results)) {
if (Array.isArray(value)) {
results[key] = compositeFrom({
annotation: `${constructor.name}.${key}`,
compose: false,
steps: value,
});
} else if (value.toResolvedComposition) {
results[key] = compositeFrom(value.toResolvedComposition());
}
}
constructor[CacheableObject.propertyDescriptors] =
Object.create(constructor[CacheableObject.propertyDescriptors] ?? null);
Object.assign(constructor[CacheableObject.propertyDescriptors], results);
},
showFailedClasses(failedClasses) {
logError`Failed to evaluate property descriptors for classes: ${failedClasses.join(', ')}`;
},
});
}
function evaluateSerializeDescriptors() {
const opts = {...thingConstructors, serialize};
return descriptorAggregateHelper({
message: `Errors evaluating Thing class serialize descriptors`,
op(constructor) {
if (!constructor[Thing.getSerializeDescriptors]) {
return;
}
constructor[serialize.serializeDescriptors] =
constructor[Thing.getSerializeDescriptors](opts);
},
showFailedClasses(failedClasses) {
logError`Failed to evaluate serialize descriptors for classes: ${failedClasses.join(', ')}`;
},
});
}
function finalizeYamlDocumentSpecs() {
return descriptorAggregateHelper({
message: `Errors finalizing Thing YAML document specs`,
op(constructor) {
const superclass = Object.getPrototypeOf(constructor);
if (
constructor[Thing.yamlDocumentSpec] &&
superclass[Thing.yamlDocumentSpec]
) {
constructor[Thing.yamlDocumentSpec] =
Thing.extendDocumentSpec(superclass, constructor[Thing.yamlDocumentSpec]);
}
},
showFailedClasses(failedClasses) {
logError`Failed to finalize YAML document specs for classes: ${failedClasses.join(', ')}`;
},
});
}
function finalizeCacheableObjectPrototypes() {
return descriptorAggregateHelper({
message: `Errors finalizing Thing class prototypes`,
op(constructor) {
constructor.finalizeCacheableObjectPrototype();
},
showFailedClasses(failedClasses) {
logError`Failed to finalize cacheable object prototypes for classes: ${failedClasses.join(', ')}`;
},
});
}
sortThingConstructors();
if (!evaluatePropertyDescriptors()) process.exit(1);
if (!evaluateSerializeDescriptors()) process.exit(1);
if (!finalizeYamlDocumentSpecs()) process.exit(1);
if (!finalizeCacheableObjectPrototypes()) process.exit(1);
Object.assign(thingConstructors, {Thing});
export default thingConstructors;
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