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node_modules/eslint/lib/source-code/token-store/limit-cursor.js

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+/**
+ * @fileoverview Define the cursor which limits the number of tokens.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const DecorativeCursor = require("./decorative-cursor");
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The decorative cursor which limits the number of tokens.
+ */
+module.exports = class LimitCursor extends DecorativeCursor {
+
+    /**
+     * Initializes this cursor.
+     * @param {Cursor} cursor The cursor to be decorated.
+     * @param {number} count The count of tokens this cursor iterates.
+     */
+    constructor(cursor, count) {
+        super(cursor);
+        this.count = count;
+    }
+
+    /** @inheritdoc */
+    moveNext() {
+        if (this.count > 0) {
+            this.count -= 1;
+            return super.moveNext();
+        }
+        return false;
+    }
+};