Добавлена ДБ

node_modules/fast-check/lib/stream/StreamHelpers.js

@@ -0,0 +1,64 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.nilHelper = nilHelper;
+exports.mapHelper = mapHelper;
+exports.flatMapHelper = flatMapHelper;
+exports.filterHelper = filterHelper;
+exports.takeNHelper = takeNHelper;
+exports.takeWhileHelper = takeWhileHelper;
+exports.joinHelper = joinHelper;
+class Nil {
+    [Symbol.iterator]() {
+        return this;
+    }
+    next(value) {
+        return { value, done: true };
+    }
+}
+Nil.nil = new Nil();
+function nilHelper() {
+    return Nil.nil;
+}
+function* mapHelper(g, f) {
+    for (const v of g) {
+        yield f(v);
+    }
+}
+function* flatMapHelper(g, f) {
+    for (const v of g) {
+        yield* f(v);
+    }
+}
+function* filterHelper(g, f) {
+    for (const v of g) {
+        if (f(v)) {
+            yield v;
+        }
+    }
+}
+function* takeNHelper(g, n) {
+    for (let i = 0; i < n; ++i) {
+        const cur = g.next();
+        if (cur.done) {
+            break;
+        }
+        yield cur.value;
+    }
+}
+function* takeWhileHelper(g, f) {
+    let cur = g.next();
+    while (!cur.done && f(cur.value)) {
+        yield cur.value;
+        cur = g.next();
+    }
+}
+function* joinHelper(g, others) {
+    for (let cur = g.next(); !cur.done; cur = g.next()) {
+        yield cur.value;
+    }
+    for (const s of others) {
+        for (let cur = s.next(); !cur.done; cur = s.next()) {
+            yield cur.value;
+        }
+    }
+}