@effect-ts/system
Version:
Effect-TS is a zero dependency set of libraries to write highly productive, purely functional TypeScript at scale.
114 lines (87 loc) • 2.14 kB
JavaScript
// ets_tracing: off
import * as St from "../Structural/index.mjs";
export const CaseBrand = /*#__PURE__*/Symbol();
export function hasCaseBrand(self) {
return typeof self === "object" && self != null && CaseBrand in self;
}
const h0 = /*#__PURE__*/St.hashString("@effect-ts/system/Case");
export const caseArgs = /*#__PURE__*/Symbol();
export const caseKeys = /*#__PURE__*/Symbol(); // @ts-expect-error
export const Case = class {
constructor(args) {
this[caseArgs] = args;
if (typeof args === "object" && args != null) {
const keys = Object.keys(args);
for (let i = 0; i < keys.length; i++) {
this[keys[i]] = args[keys[i]];
}
}
this[caseKeys] = Object.keys(this).sort();
}
static make(args) {
return new this(args);
}
copy(args) {
// @ts-expect-error
return new this.constructor({ ...this[caseArgs],
...args
});
}
get [CaseBrand]() {
return this[caseKeys];
}
get [St.hashSym]() {
let h = h0;
for (const k of this[caseKeys]) {
h = St.combineHash(h, St.hash(this[k]));
}
return h;
}
[St.equalsSym](that) {
if (this === that) {
return true;
}
if (that instanceof this.constructor) {
const kthat = that[CaseBrand];
const len = kthat.length;
if (len !== this[caseKeys].length) {
return false;
}
let eq = true;
let i = 0;
while (eq && i < len) {
eq = this[caseKeys][i] === kthat[i] && St.equals(this[this[caseKeys][i]], that[kthat[i]]);
i++;
}
return eq;
}
return false;
}
};
export function TaggedADT() {
// @ts-expect-error
return Tagged;
}
export function Tagged(tag, key) {
var _a;
if (key) {
class X extends Case {
constructor() {
super(...arguments); // @ts-expect-error
this[_a] = tag;
}
}
_a = key;
X._tag = tag; // @ts-expect-error
return X;
}
class X extends Case {
constructor() {
super(...arguments);
this._tag = tag;
}
}
X._tag = tag; // @ts-expect-error
return X;
}
//# sourceMappingURL=index.mjs.map