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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/ts-results/esm
Просмотр файла: result.js
import { toString } from './utils';
import { None, Some } from './option';
/**
* Contains the error value
*/
var ErrImpl = /** @class */ (function () {
function ErrImpl(val) {
if (!(this instanceof ErrImpl)) {
return new ErrImpl(val);
}
this.ok = false;
this.err = true;
this.val = val;
var stackLines = new Error().stack.split('\n').slice(2);
if (stackLines && stackLines.length > 0 && stackLines[0].includes('ErrImpl')) {
stackLines.shift();
}
this._stack = stackLines.join('\n');
}
ErrImpl.prototype[Symbol.iterator] = function () {
return {
next: function () {
return { done: true, value: undefined };
},
};
};
/**
* @deprecated in favor of unwrapOr
* @see unwrapOr
*/
ErrImpl.prototype.else = function (val) {
return val;
};
ErrImpl.prototype.unwrapOr = function (val) {
return val;
};
ErrImpl.prototype.expect = function (msg) {
throw new Error(msg + " - Error: " + toString(this.val) + "\n" + this._stack);
};
ErrImpl.prototype.unwrap = function () {
throw new Error("Tried to unwrap Error: " + toString(this.val) + "\n" + this._stack);
};
ErrImpl.prototype.map = function (_mapper) {
return this;
};
ErrImpl.prototype.andThen = function (op) {
return this;
};
ErrImpl.prototype.mapErr = function (mapper) {
return new Err(mapper(this.val));
};
ErrImpl.prototype.toOption = function () {
return None;
};
ErrImpl.prototype.toString = function () {
return "Err(" + toString(this.val) + ")";
};
Object.defineProperty(ErrImpl.prototype, "stack", {
get: function () {
return this + "\n" + this._stack;
},
enumerable: false,
configurable: true
});
/** An empty Err */
ErrImpl.EMPTY = new ErrImpl(undefined);
return ErrImpl;
}());
export { ErrImpl };
// This allows Err to be callable - possible because of the es5 compilation target
export var Err = ErrImpl;
/**
* Contains the success value
*/
var OkImpl = /** @class */ (function () {
function OkImpl(val) {
if (!(this instanceof OkImpl)) {
return new OkImpl(val);
}
this.ok = true;
this.err = false;
this.val = val;
}
/**
* Helper function if you know you have an Ok<T> and T is iterable
*/
OkImpl.prototype[Symbol.iterator] = function () {
var obj = Object(this.val);
return Symbol.iterator in obj
? obj[Symbol.iterator]()
: {
next: function () {
return { done: true, value: undefined };
},
};
};
/**
* @see unwrapOr
* @deprecated in favor of unwrapOr
*/
OkImpl.prototype.else = function (_val) {
return this.val;
};
OkImpl.prototype.unwrapOr = function (_val) {
return this.val;
};
OkImpl.prototype.expect = function (_msg) {
return this.val;
};
OkImpl.prototype.unwrap = function () {
return this.val;
};
OkImpl.prototype.map = function (mapper) {
return new Ok(mapper(this.val));
};
OkImpl.prototype.andThen = function (mapper) {
return mapper(this.val);
};
OkImpl.prototype.mapErr = function (_mapper) {
return this;
};
OkImpl.prototype.toOption = function () {
return Some(this.val);
};
/**
* Returns the contained `Ok` value, but never throws.
* Unlike `unwrap()`, this method doesn't throw and is only callable on an Ok<T>
*
* Therefore, it can be used instead of `unwrap()` as a maintainability safeguard
* that will fail to compile if the error type of the Result is later changed to an error that can actually occur.
*
* (this is the `into_ok()` in rust)
*/
OkImpl.prototype.safeUnwrap = function () {
return this.val;
};
OkImpl.prototype.toString = function () {
return "Ok(" + toString(this.val) + ")";
};
OkImpl.EMPTY = new OkImpl(undefined);
return OkImpl;
}());
export { OkImpl };
// This allows Ok to be callable - possible because of the es5 compilation target
export var Ok = OkImpl;
export var Result;
(function (Result) {
/**
* Parse a set of `Result`s, returning an array of all `Ok` values.
* Short circuits with the first `Err` found, if any
*/
function all() {
var results = [];
for (var _i = 0; _i < arguments.length; _i++) {
results[_i] = arguments[_i];
}
var okResult = [];
for (var _a = 0, results_1 = results; _a < results_1.length; _a++) {
var result = results_1[_a];
if (result.ok) {
okResult.push(result.val);
}
else {
return result;
}
}
return new Ok(okResult);
}
Result.all = all;
/**
* Parse a set of `Result`s, short-circuits when an input value is `Ok`.
* If no `Ok` is found, returns an `Err` containing the collected error values
*/
function any() {
var results = [];
for (var _i = 0; _i < arguments.length; _i++) {
results[_i] = arguments[_i];
}
var errResult = [];
// short-circuits
for (var _a = 0, results_2 = results; _a < results_2.length; _a++) {
var result = results_2[_a];
if (result.ok) {
return result;
}
else {
errResult.push(result.val);
}
}
// it must be a Err
return new Err(errResult);
}
Result.any = any;
/**
* Wrap an operation that may throw an Error (`try-catch` style) into checked exception style
* @param op The operation function
*/
function wrap(op) {
try {
return new Ok(op());
}
catch (e) {
return new Err(e);
}
}
Result.wrap = wrap;
/**
* Wrap an async operation that may throw an Error (`try-catch` style) into checked exception style
* @param op The operation function
*/
function wrapAsync(op) {
try {
return op()
.then(function (val) { return new Ok(val); })
.catch(function (e) { return new Err(e); });
}
catch (e) {
return Promise.resolve(new Err(e));
}
}
Result.wrapAsync = wrapAsync;
function isResult(val) {
return val instanceof Err || val instanceof Ok;
}
Result.isResult = isResult;
})(Result || (Result = {}));
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