efforting.tech/nodejs.esm-library
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Added error sub package

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This commit is contained in:
Mikael Lövqvist
2026-04-04 08:11:42 +02:00
parent 38d9df0367
commit 50282fe023
4 changed files with 59 additions and 38 deletions
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29
experiments/os1.mjs
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@@ -2,35 +2,6 @@
import { inspect } from 'node:util';
class Not_Storable_Error extends Error {
constructor(data) {
const { storage, value, property, id } = data;
const type = value === null ? 'null' : typeof value;
const location = property ? `property "${property}" of record #${id}` : `record #${id}`;
super(`Cannot store value of type "${type}" in ${location}: ${inspect(value)}`);
this.data = data;
}
}
class Not_Mutable_Error extends Error {
constructor(data) {
const { storage, value, property, id } = data;
const type = value === null ? 'null' : typeof value;
const location = property ? `property "${property}" of record #${id}` : `record #${id}`;
super(`Cannot set ${location}: record is immutable (tried to store value of type "${type}": ${inspect(value)})`);
this.data = data;
}
}
class No_Such_Object_Index_Error extends Error {
constructor(data) {
const { storage, property, id } = data;
const location = property ? `property "${property}" of record #${id}` : `record #${id}`;
super(`Cannot get ${location}: no such record index`);
this.data = data;
}
}
function load_descriptor({ type, value }, { storage, mutable }) {
if (type === 'primitive') {

11
experiments/res1.mjs
View File

@@ -1,13 +1,5 @@
import { inspect } from 'node:util';
class Item_Unresolvable extends Error {
constructor(data) {
const { resolver, item } = data;
const type = item === null ? 'null' : typeof item;
super(`Cannot resolve item ${inspect(item)} of type "${type}" using resolver ${resolver}`);
this.data = data;
}
}
class Abstract_Resolver {
resolve(item) {
@@ -63,3 +55,4 @@ tr.rules.set('string', () => 'World');
console.log(cr.resolve('HELLO'));
console.log(cr.resolve('hello'));
console.log(cr.resolve(123));