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[dotfiles/.git] / .config / coc / extensions / node_modules / coc-prettier / node_modules / rxjs / _esm2015 / internal / operators / single.js

diff --git a/.config/coc/extensions/node_modules/coc-prettier/node_modules/rxjs/_esm2015/internal/operators/single.js b/.config/coc/extensions/node_modules/coc-prettier/node_modules/rxjs/_esm2015/internal/operators/single.js
new file mode 100644 (file)
index 0000000..5839ba6
--- /dev/null
+++ b/.config/coc/extensions/node_modules/coc-prettier/node_modules/rxjs/_esm2015/internal/operators/single.js
@@ -0,0 +1,62 @@
+import { Subscriber } from '../Subscriber';
+import { EmptyError } from '../util/EmptyError';
+export function single(predicate) {
+    return (source) => source.lift(new SingleOperator(predicate, source));
+}
+class SingleOperator {
+    constructor(predicate, source) {
+        this.predicate = predicate;
+        this.source = source;
+    }
+    call(subscriber, source) {
+        return source.subscribe(new SingleSubscriber(subscriber, this.predicate, this.source));
+    }
+}
+class SingleSubscriber extends Subscriber {
+    constructor(destination, predicate, source) {
+        super(destination);
+        this.predicate = predicate;
+        this.source = source;
+        this.seenValue = false;
+        this.index = 0;
+    }
+    applySingleValue(value) {
+        if (this.seenValue) {
+            this.destination.error('Sequence contains more than one element');
+        }
+        else {
+            this.seenValue = true;
+            this.singleValue = value;
+        }
+    }
+    _next(value) {
+        const index = this.index++;
+        if (this.predicate) {
+            this.tryNext(value, index);
+        }
+        else {
+            this.applySingleValue(value);
+        }
+    }
+    tryNext(value, index) {
+        try {
+            if (this.predicate(value, index, this.source)) {
+                this.applySingleValue(value);
+            }
+        }
+        catch (err) {
+            this.destination.error(err);
+        }
+    }
+    _complete() {
+        const destination = this.destination;
+        if (this.index > 0) {
+            destination.next(this.seenValue ? this.singleValue : undefined);
+            destination.complete();
+        }
+        else {
+            destination.error(new EmptyError);
+        }
+    }
+}
+//# sourceMappingURL=single.js.map
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