Re-name templater to patcher

src/patcher/paragraph-split-inject.ts

@@ -0,0 +1,56 @@
+import { Element } from "xml-js";
+import { createTextElementContents } from "./util";
+
+export const findRunElementIndexWithToken = (paragraphElement: Element, token: string): number => {
+    for (let i = 0; i < (paragraphElement.elements ?? []).length; i++) {
+        const element = paragraphElement.elements![i];
+        if (element.type === "element" && element.name === "w:r") {
+            const textElement = (element.elements ?? []).filter((e) => e.type === "element" && e.name === "w:t");
+
+            for (const text of textElement) {
+                if ((text.elements?.[0].text as string)?.includes(token)) {
+                    return i;
+                }
+            }
+        }
+    }
+    // return -1;
+    throw new Error("Token not found");
+};
+
+export const splitRunElement = (runElement: Element, token: string): { readonly left: Element; readonly right: Element } => {
+    let splitIndex = 0;
+
+    const splitElements =
+        runElement.elements
+            ?.map((e, i) => {
+                if (e.type === "element" && e.name === "w:t") {
+                    const text = e.elements?.[0].text as string;
+                    const splitText = text.split(token);
+                    const newElements = splitText.map((t) => ({
+                        ...e,
+                        attributes: {
+                            "xml:space": "preserve",
+                        },
+                        elements: createTextElementContents(t),
+                    }));
+                    splitIndex = i;
+                    return newElements;
+                } else {
+                    return e;
+                }
+            })
+            .flat() ?? [];
+
+    const leftRunElement: Element = {
+        ...JSON.parse(JSON.stringify(runElement)),
+        elements: splitElements.slice(0, splitIndex + 1),
+    };
+
+    const rightRunElement: Element = {
+        ...JSON.parse(JSON.stringify(runElement)),
+        elements: splitElements.slice(splitIndex + 1),
+    };
+
+    return { left: leftRunElement, right: rightRunElement };
+};