2025-09-05 14:59:21 +08:00

184 lines
4.9 KiB
JavaScript

import { digest } from "ohash";
const Hasher = /* @__PURE__ */ (() => {
class Hasher2 {
buff = "";
#context = /* @__PURE__ */ new Map();
write(str) {
this.buff += str;
}
dispatch(value) {
const type = value === null ? "null" : typeof value;
return this[type](value);
}
object(object) {
if (object && typeof object.toJSON === "function") {
return this.object(object.toJSON());
}
const objString = Object.prototype.toString.call(object);
let objType = "";
const objectLength = objString.length;
objType = objectLength < 10 ? "unknown:[" + objString + "]" : objString.slice(8, objectLength - 1);
objType = objType.toLowerCase();
let objectNumber = null;
if ((objectNumber = this.#context.get(object)) === void 0) {
this.#context.set(object, this.#context.size);
} else {
return this.dispatch("[CIRCULAR:" + objectNumber + "]");
}
if (typeof Buffer !== "undefined" && Buffer.isBuffer && Buffer.isBuffer(object)) {
this.write("buffer:");
return this.write(object.toString("utf8"));
}
if (objType !== "object" && objType !== "function" && objType !== "asyncfunction") {
if (this[objType]) {
this[objType](object);
} else {
this.unknown(object, objType);
}
} else {
const keys = Object.keys(object).sort();
const extraKeys = [];
this.write("object:" + (keys.length + extraKeys.length) + ":");
const dispatchForKey = (key) => {
this.dispatch(key);
this.write(":");
this.dispatch(object[key]);
this.write(",");
};
for (const key of keys) {
dispatchForKey(key);
}
for (const key of extraKeys) {
dispatchForKey(key);
}
}
}
array(arr, unordered) {
unordered = unordered === void 0 ? false : unordered;
this.write("array:" + arr.length + ":");
if (!unordered || arr.length <= 1) {
for (const entry of arr) {
this.dispatch(entry);
}
return;
}
const contextAdditions = /* @__PURE__ */ new Map();
const entries = arr.map((entry) => {
const hasher = new Hasher2();
hasher.dispatch(entry);
for (const [key, value] of hasher.#context) {
contextAdditions.set(key, value);
}
return hasher.toString();
});
this.#context = contextAdditions;
entries.sort();
return this.array(entries, false);
}
date(date) {
return this.write("date:" + date.toJSON());
}
symbol(sym) {
return this.write("symbol:" + sym.toString());
}
unknown(value, type) {
this.write(type);
if (!value) {
return;
}
this.write(":");
if (value && typeof value.entries === "function") {
return this.array(
[...value.entries()],
true
/* ordered */
);
}
}
error(err) {
return this.write("error:" + err.toString());
}
boolean(bool) {
return this.write("bool:" + bool);
}
string(string) {
this.write("string:" + string.length + ":");
this.write(string);
}
function(fn) {
this.write("fn:");
if (isNativeFunction(fn)) {
this.dispatch("[native]");
} else {
this.dispatch(fn.toString());
}
}
number(number) {
return this.write("number:" + number);
}
null() {
return this.write("Null");
}
undefined() {
return this.write("Undefined");
}
regexp(regex) {
return this.write("regex:" + regex.toString());
}
arraybuffer(arr) {
this.write("arraybuffer:");
return this.dispatch(new Uint8Array(arr));
}
url(url) {
return this.write("url:" + url.toString());
}
map(map) {
this.write("map:");
const arr = [...map];
return this.array(arr, false);
}
set(set) {
this.write("set:");
const arr = [...set];
return this.array(arr, false);
}
bigint(number) {
return this.write("bigint:" + number.toString());
}
}
for (const type of [
"uint8array",
"uint8clampedarray",
"unt8array",
"uint16array",
"unt16array",
"uint32array",
"unt32array",
"float32array",
"float64array"
]) {
Hasher2.prototype[type] = function(arr) {
this.write(type + ":");
return this.array([...arr], false);
};
}
function isNativeFunction(f) {
if (typeof f !== "function") {
return false;
}
return Function.prototype.toString.call(f).slice(
-15
/* "[native code] }".length */
) === "[native code] }";
}
return Hasher2;
})();
export function serialize(object) {
const hasher = new Hasher();
hasher.dispatch(object);
return hasher.buff;
}
export function hash(value) {
return digest(typeof value === "string" ? value : serialize(value)).replace(/[-_]/g, "").slice(0, 10);
}