third_party/WebKit/Source/devtools/front_end/platform/utilities.js - Issue 2869293002: DevTools: make CompilerScriptMapping / SASSSourceMapping manage UISourceCodes

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Unified Diff: third_party/WebKit/Source/devtools/front_end/platform/utilities.js

Issue 2869293002: DevTools: make CompilerScriptMapping / SASSSourceMapping manage UISourceCodes (Closed)

Patch Set: address comments Created 3 years, 7 months ago

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Index: third_party/WebKit/Source/devtools/front_end/platform/utilities.js

diff --git a/third_party/WebKit/Source/devtools/front_end/platform/utilities.js b/third_party/WebKit/Source/devtools/front_end/platform/utilities.js

index 14f5d3aa303744586a5d7480c62cf783f7b71390..07435b1c845d6c4fd294ede18c878b966ee2b2a2 100644

--- a/third_party/WebKit/Source/devtools/front_end/platform/utilities.js

+++ b/third_party/WebKit/Source/devtools/front_end/platform/utilities.js

@@ -1091,6 +1091,16 @@ Set.prototype.valuesArray = function() {

return Array.from(this.values());

};

+/**

+ * @return {?T}

+ * @template T

+ */

+Set.prototype.firstValue = function() {

+ if (!this.size)

+ return null;

+ return this.values().next().value;

+};

/**

* @param {!Iterable<T>|!Array<!T>} iterable

* @template T