Function stringify

tools/liveblocks-devtools/src/lib/stringify.ts:25–84

(
  value?: Json | YjsContentData | YjsContentData[],
  maxDepth = 2,
  depth = 0,
  seen = new WeakSet<
    JsonObject | Json[] | Exclude<YjsContentData, string | number | boolean>
  >()
)

type YjsContentData = number | object | boolean | Array<unknown> | string;

export function stringify(
  value?: Json | YjsContentData | YjsContentData[],
  maxDepth = 2,
  depth = 0,
  seen = new WeakSet<
    JsonObject | Json[] | Exclude<YjsContentData, string | number | boolean>
  >()
): string {
  if (Array.isArray(value)) {
    const isCircular = seen.has(value);

    seen.add(value);

    if (value.length === 0) {
      return wrapArray();
    } else if (depth >= maxDepth || isCircular) {
      return wrapArray(ELLIPSIS);
    } else {
      const values = value
        .map((value) => stringify(value, maxDepth, depth + 1, seen))
        .join(SEPARATOR);

      return wrapArray(values);
    }
  } else if (
    value instanceof Boolean ||
    value instanceof Number ||
    value instanceof String
  ) {
    return JSON.stringify(value);
  } else if (typeof value === "object" && value !== null) {
    const keys = Object.keys(value);
    const isCircular = seen.has(value);

    seen.add(value);

    if (keys.length === 0) {
      return wrapObject();
    } else if (depth >= maxDepth || isCircular) {
      return wrapObject(ELLIPSIS);
    } else {
      const values = keys
        .map((key) =>
          wrapProperty(
            key,
            stringify(
              value[key as keyof typeof value],
              maxDepth,
              depth + 1,
              seen
            )
          )
        )
        .join(SEPARATOR);
      return wrapObject(values);
    }
  } else {
    return JSON.stringify(value);