add commands and utils packages

packages/tiptap-utils/src/index.js

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+export { default as markIsActive } from './utils/markIsActive'
+export { default as nodeIsActive } from './utils/nodeIsActive'

packages/tiptap-utils/src/utils/markIsActive.js

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+export default function (state, type) {
+	const {
+		from,
+		$from,
+		to,
+		empty,
+	} = state.selection
+
+	if (empty) {
+		return !!type.isInSet(state.storedMarks || $from.marks())
+	}
+
+	return !!state.doc.rangeHasMark(from, to, type)
+}

packages/tiptap-utils/src/utils/nodeIsActive.js

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+import { findParentNode } from 'prosemirror-utils'
+
+export default function (state, type, attrs) {
+	const predicate = node => node.type === type
+	const parent = findParentNode(predicate)(state.selection)
+
+	if (attrs === {} || !parent) {
+		return !!parent
+	}
+
+	return parent.node.hasMarkup(type, attrs)
+}