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frigid
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no infinite loop on walks!

master
Valerie 2021-06-12 15:43:52 -04:00
parent 394e08c55a
commit 3131697ac0
1 changed files with 6 additions and 2 deletions
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8
src/Frigid.ts
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@ -1,4 +1,5 @@
import { existsSync, readFileSync, writeFileSync } from "fs"; import { existsSync, readFileSync, writeFileSync } from "fs";
import { reverseLookup } from "./reverseLookup.js";
import Serializable from "./Serializable.js"; import Serializable from "./Serializable.js";
const PERSIST_LOCATION = Symbol('PERSIST_LOCATION'); const PERSIST_LOCATION = Symbol('PERSIST_LOCATION');
@ -34,14 +35,17 @@ export default class Frigid extends Serializable {
} }
} }
function walk(obj, transform) { function walk(obj, transform, done = new Map()) {
if(obj instanceof Serializable) { if(obj instanceof Serializable) {
transform(obj); transform(obj);
if(reverseLookup(done, obj) === null) {
done.set(done.size, obj);
}
} }
for(const key of Object.keys(obj)) { for(const key of Object.keys(obj)) {
const val = obj[key]; const val = obj[key];
if(typeof obj === 'object') { if(typeof obj === 'object') {
walk(val, transform); walk(val, transform, done);
} }
} }
} }