eigent/package/@stackframe/stack-shared/dist/utils/results.js

167 lines
4.3 KiB
JavaScript

"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from === "object" || typeof from === "function") {
for (let key of __getOwnPropNames(from))
if (!__hasOwnProp.call(to, key) && key !== except)
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
// src/utils/results.tsx
var results_exports = {};
__export(results_exports, {
AsyncResult: () => AsyncResult,
Result: () => Result
});
module.exports = __toCommonJS(results_exports);
var import_promises = require("./promises");
var import_strings = require("./strings");
var Result = {
fromThrowing,
fromThrowingAsync,
fromPromise: promiseToResult,
ok(data) {
return {
status: "ok",
data
};
},
error(error) {
return {
status: "error",
error
};
},
map: mapResult,
or: (result, fallback) => {
return result.status === "ok" ? result.data : fallback;
},
orThrow: (result) => {
if (result.status === "error") {
throw result.error;
}
return result.data;
},
orThrowAsync: async (result) => {
return Result.orThrow(await result);
},
retry
};
var AsyncResult = {
fromThrowing,
fromPromise: promiseToResult,
ok: Result.ok,
error: Result.error,
pending,
map: mapResult,
or: (result, fallback) => {
if (result.status === "pending") {
return fallback;
}
return Result.or(result, fallback);
},
orThrow: (result) => {
if (result.status === "pending") {
throw new Error("Result still pending");
}
return Result.orThrow(result);
},
retry
};
function pending(progress) {
return {
status: "pending",
progress
};
}
async function promiseToResult(promise) {
try {
const value = await promise;
return Result.ok(value);
} catch (error) {
return Result.error(error);
}
}
function fromThrowing(fn) {
try {
return Result.ok(fn());
} catch (error) {
return Result.error(error);
}
}
async function fromThrowingAsync(fn) {
try {
return Result.ok(await fn());
} catch (error) {
return Result.error(error);
}
}
function mapResult(result, fn) {
if (result.status === "error") return {
status: "error",
error: result.error
};
if (result.status === "pending") return {
status: "pending",
..."progress" in result ? { progress: result.progress } : {}
};
return Result.ok(fn(result.data));
}
var RetryError = class extends AggregateError {
constructor(errors) {
const strings = errors.map((e) => (0, import_strings.nicify)(e));
const isAllSame = strings.length > 1 && strings.every((s) => s === strings[0]);
super(
errors,
import_strings.deindent`
Error after ${errors.length} attempts.
${isAllSame ? import_strings.deindent`
Attempts 1-${errors.length}:
${strings[0]}
` : strings.map((s, i) => import_strings.deindent`
Attempt ${i + 1}:
${s}
`).join("\n\n")}
`,
{ cause: errors[errors.length - 1] }
);
this.errors = errors;
this.name = "RetryError";
}
get attempts() {
return this.errors.length;
}
};
RetryError.prototype.name = "RetryError";
async function retry(fn, totalAttempts, { exponentialDelayBase = 1e3 } = {}) {
const errors = [];
for (let i = 0; i < totalAttempts; i++) {
const res = await fn(i);
if (res.status === "ok") {
return Object.assign(Result.ok(res.data), { attempts: i + 1 });
} else {
errors.push(res.error);
if (i < totalAttempts - 1) {
await (0, import_promises.wait)((Math.random() + 0.5) * exponentialDelayBase * 2 ** i);
}
}
}
return Object.assign(Result.error(new RetryError(errors)), { attempts: totalAttempts });
}
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
AsyncResult,
Result
});
//# sourceMappingURL=results.js.map