Add initial count-inline-code plugin

plugins/count-inline-code/index.js

@@ -0,0 +1,37 @@
+const flatFilter = (ast, truthyFunc) => {
+	if (!ast) return [];
+	if (truthyFunc(ast)) return [ast];
+	if (!ast.children) return [];
+	let acceptedChildren = [];
+	for (const child of ast.children) {
+		const flatFilterResult = flatFilter(child, truthyFunc);
+		if (flatFilterResult && flatFilterResult.length) {
+			// Take array results and push to the returned array to flatten it
+			flatFilterResult.forEach(flatFilterResultItem => {
+				acceptedChildren.push(flatFilterResultItem);
+			});
+		}
+	}
+	return acceptedChildren;
+};
+
+const addVideo = ({ markdownAST, actions, markdownNode, ...props }) => {
+	const { createNodeField } = actions;
+	const inlineCodeAST = flatFilter(
+		markdownAST,
+		node => node.type === "inlineCode"
+	);
+	const inlineWords = inlineCodeAST.reduce((numberOfInline, inlineCodeNode) => {
+		const { value } = inlineCodeNode;
+		const words = value.split(/\b/g);
+		return numberOfInline + words.length;
+	}, 0);
+
+	createNodeField({
+		name: `inlineCount`,
+		node: markdownNode,
+		value: inlineWords
+	});
+};
+
+module.exports = addVideo;