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[dotfiles/.git] / .config / coc / extensions / node_modules / coc-prettier / node_modules / stylelint / lib / utils / nodeContextLookup.js

diff --git a/.config/coc/extensions/node_modules/coc-prettier/node_modules/stylelint/lib/utils/nodeContextLookup.js b/.config/coc/extensions/node_modules/coc-prettier/node_modules/stylelint/lib/utils/nodeContextLookup.js
new file mode 100644 (file)
index 0000000..68dce3a
--- /dev/null
+++ b/.config/coc/extensions/node_modules/coc-prettier/node_modules/stylelint/lib/utils/nodeContextLookup.js
@@ -0,0 +1,35 @@
+// Too weird for Flow
+"use strict";
+
+/**
+ * Create a collection of Maps that serve to contextualize a given node.
+ * This is useful to ensure that you only compare nodes that share a certain
+ * context.
+ *
+ * All nodes are initially contextualized by their input source.
+ * From there, you can contextualize them however you want.
+ *
+ * For a usage example, see `selector-no-descending-specificity`.
+ */
+module.exports = function() {
+  const contextMap = new Map();
+
+  return {
+    getContext(node) {
+      const nodeSource = node.source.input.from;
+      const baseContext = creativeGetMap(contextMap, nodeSource);
+      const subContexts = Array.from(arguments).slice(1);
+
+      return subContexts.reduce((result, context) => {
+        return creativeGetMap(result, context);
+      }, baseContext);
+    }
+  };
+};
+
+function creativeGetMap(someMap, someThing) {
+  if (!someMap.has(someThing)) {
+    someMap.set(someThing, new Map());
+  }
+  return someMap.get(someThing);
+}