feat: add @actions/cache

node_modules/@opentelemetry/api/build/esm/trace/internal/tracestate-impl.js

@@ -0,0 +1,102 @@
+/*
+ * Copyright The OpenTelemetry Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { validateKey, validateValue } from './tracestate-validators';
+var MAX_TRACE_STATE_ITEMS = 32;
+var MAX_TRACE_STATE_LEN = 512;
+var LIST_MEMBERS_SEPARATOR = ',';
+var LIST_MEMBER_KEY_VALUE_SPLITTER = '=';
+/**
+ * TraceState must be a class and not a simple object type because of the spec
+ * requirement (https://www.w3.org/TR/trace-context/#tracestate-field).
+ *
+ * Here is the list of allowed mutations:
+ * - New key-value pair should be added into the beginning of the list
+ * - The value of any key can be updated. Modified keys MUST be moved to the
+ * beginning of the list.
+ */
+var TraceStateImpl = /** @class */ (function () {
+    function TraceStateImpl(rawTraceState) {
+        this._internalState = new Map();
+        if (rawTraceState)
+            this._parse(rawTraceState);
+    }
+    TraceStateImpl.prototype.set = function (key, value) {
+        // TODO: Benchmark the different approaches(map vs list) and
+        // use the faster one.
+        var traceState = this._clone();
+        if (traceState._internalState.has(key)) {
+            traceState._internalState.delete(key);
+        }
+        traceState._internalState.set(key, value);
+        return traceState;
+    };
+    TraceStateImpl.prototype.unset = function (key) {
+        var traceState = this._clone();
+        traceState._internalState.delete(key);
+        return traceState;
+    };
+    TraceStateImpl.prototype.get = function (key) {
+        return this._internalState.get(key);
+    };
+    TraceStateImpl.prototype.serialize = function () {
+        var _this = this;
+        return this._keys()
+            .reduce(function (agg, key) {
+            agg.push(key + LIST_MEMBER_KEY_VALUE_SPLITTER + _this.get(key));
+            return agg;
+        }, [])
+            .join(LIST_MEMBERS_SEPARATOR);
+    };
+    TraceStateImpl.prototype._parse = function (rawTraceState) {
+        if (rawTraceState.length > MAX_TRACE_STATE_LEN)
+            return;
+        this._internalState = rawTraceState
+            .split(LIST_MEMBERS_SEPARATOR)
+            .reverse() // Store in reverse so new keys (.set(...)) will be placed at the beginning
+            .reduce(function (agg, part) {
+            var listMember = part.trim(); // Optional Whitespace (OWS) handling
+            var i = listMember.indexOf(LIST_MEMBER_KEY_VALUE_SPLITTER);
+            if (i !== -1) {
+                var key = listMember.slice(0, i);
+                var value = listMember.slice(i + 1, part.length);
+                if (validateKey(key) && validateValue(value)) {
+                    agg.set(key, value);
+                }
+                else {
+                    // TODO: Consider to add warning log
+                }
+            }
+            return agg;
+        }, new Map());
+        // Because of the reverse() requirement, trunc must be done after map is created
+        if (this._internalState.size > MAX_TRACE_STATE_ITEMS) {
+            this._internalState = new Map(Array.from(this._internalState.entries())
+                .reverse() // Use reverse same as original tracestate parse chain
+                .slice(0, MAX_TRACE_STATE_ITEMS));
+        }
+    };
+    TraceStateImpl.prototype._keys = function () {
+        return Array.from(this._internalState.keys()).reverse();
+    };
+    TraceStateImpl.prototype._clone = function () {
+        var traceState = new TraceStateImpl();
+        traceState._internalState = new Map(this._internalState);
+        return traceState;
+    };
+    return TraceStateImpl;
+}());
+export { TraceStateImpl };
+//# sourceMappingURL=tracestate-impl.js.map