add plainReplace function

src/common/emit.ts

@@ -8,7 +8,7 @@ import {
 import { $ } from "./fragments";
 import type { TokenTree } from "./Language";
 import type { Spine } from "./Spine";
-import { codepoints } from "./strings";
+import { codepoints, plainReplace } from "./strings";
 
 export function joinTrees(
  sep: TokenTree,
@@ -48,9 +48,9 @@ export function emitTextFactory(
  let current = value;
  for (const [c, d] of subs) {
  if (d === null) continue;
- current = current.replaceAll(c, d);
+ current = plainReplace(current, c, d);
  }
- current = template.replaceAll("TEXT", current);
+ current = plainReplace(template, "TEXT", current);
  if (!(codepointMap === undefined || (low === 1 && high === Infinity)))
  current = codepoints(current)
  .map((x, i, arr) =>

src/common/strings.ts

@@ -90,3 +90,14 @@ export const chars = (str: string) => {
 
 export const byteLength = (x: string | null) =>
  x === null ? Infinity : Buffer.byteLength(x, "utf-8");
+
+export function plainReplace(
+ sourceValue: string,
+ searchValue: string,
+ replaceValue: string,
+) {
+ return sourceValue.replaceAll(
+ searchValue,
+ replaceValue.replaceAll("$", "$$$$"),
+ );
+}