Function canonicalizeEditedTextSubtree

packages/cli/src/transform.ts:974–1021

(node: any, source?: string, lineStarts = source ? getLineStarts(source) : undefined)

}

function canonicalizeEditedTextSubtree(node: any, source?: string, lineStarts = source ? getLineStarts(source) : undefined): void {
  const children = node.children;
  if (!children || children.length === 0) return;

  for (const child of children) {
    if (child.type === "JSXElement") {
      canonicalizeEditedTextSubtree(child, source, lineStarts);
    }
  }

  const normalized: any[] = [];
  let pendingBoundarySpace = false;

  for (const child of children) {
    if (isTextLikeChild(child)) {
      const value = getTextLikeValue(child) ?? "";
      if (!value) continue;

      const { core, hasLeadingWhitespace, hasTrailingWhitespace } = trimTextLikeEdges(value);
      if (!core) {
        if (hasVisibleTextInEntries(normalized, source, lineStarts)) {
          pendingBoundarySpace = true;
        }
        continue;
      }

      setTextLikeValue(child, core);
      if ((pendingBoundarySpace || hasLeadingWhitespace) && hasVisibleTextInEntries(normalized, source, lineStarts)) {
        insertSingleVisibleBoundarySpace(normalized, child);
      }

      normalized.push(child);
      pendingBoundarySpace = hasTrailingWhitespace;
      continue;
    }

    const childText = getRenderedChildText(child, source, lineStarts);
    const childHasVisibleText = /\S/.test(childText);
    if ((pendingBoundarySpace || /^\s/.test(childText)) && childHasVisibleText && hasVisibleTextInEntries(normalized, source, lineStarts)) {
      insertSingleVisibleBoundarySpace(normalized, child);
    }

    normalized.push(child);
    pendingBoundarySpace = childHasVisibleText && /\s$/.test(childText);
  }

  node.children = mergeAdjacentTextLikeChildren(normalized);
}

function canonicalizeVisibleWhitespace(node: any, source?: string, lineStarts = source ? getLineStarts(source) : undefined): void {
  const children = node.children;