fix: resolve TypeScript errors in frontend build

node_modules/rope-sequence/README.md

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+# rope-sequence
+
+This module implements a single data type, `RopeSequence`, which is a
+persistent sequence type implemented as a loosely-balanced
+[rope](https://www.cs.rit.edu/usr/local/pub/jeh/courses/QUARTERS/FP/Labs/CedarRope/rope-paper.pdf).
+It supports appending, prepending, and slicing without doing a full
+copy. Random access is somewhat more expensive than in an array
+(logarithmic, with some overhead), but should still be relatively
+fast.
+
+Licensed under the MIT license.
+
+## class `RopeSequence<T>`
+
+`static `**`from`**`(?union<[T], RopeSequence<T>>) → RopeSequence<T>`
+
+Create a rope representing the given array, or return the rope itself
+if a rope was given.
+
+`static `**`empty`**`: RopeSequence<T>`
+
+The empty rope.
+
+**`length`**`: number`
+
+The length of the rope.
+
+**`append`**`(union<[T], RopeSequence<T>>) → RopeSequence<T>`
+
+Append an array or other rope to this one, returning a new rope.
+
+**`prepend`**`(union<[T], RopeSequence<T>>) → RopeSequence<T>`
+
+Prepend an array or other rope to this one, returning a new rope.
+
+**`slice`**`(from: ?number = 0, to: ?number = this.length) → RopeSequence<T>`
+
+Create a rope repesenting a sub-sequence of this rope.
+
+**`get`**`(index: number) → T`
+
+Retrieve the element at the given position from this rope.
+
+**`forEach`**`(f: fn(element: T, index: number) → ?bool, from: ?number, to: ?number)`
+
+Call the given function for each element between the given indices.
+This tends to be more efficient than looping over the indices and
+calling `get`, because it doesn't have to descend the tree for every
+element.
+
+`to` may be less then `from`, in which case the iteration will happen
+in reverse (starting at index `from - 1`, down to index `to`.
+
+The iteration function may return `false` to abort iteration early.
+
+**`map`**`(f: fn(element: T, index: number) → U, from: ?number, to: ?number) → [U]`
+
+Map the given functions over the elements of the rope, producing a
+flat array.
+
+**`flatten`**`() → [T]`
+
+Return the content of this rope as an array.