Function renderArrayPreview

src/adapter/objectPreview/index.ts:136–169

(preview: ObjectPreview.ArrayPreview, characterBudget: number)

}

function renderArrayPreview(preview: ObjectPreview.ArrayPreview, characterBudget: number): string {
  const builder = new BudgetStringBuilder(characterBudget);
  let description = preview.description;
  const match = description.match(/[^(]*\(([\d]+)\)/);
  if (!match) return description;
  const arrayLength = parseInt(match[1], 10);

  if (description.startsWith('Array(')) description = description.substring('Array'.length);
  builder.append(stringUtils.trimEnd(description, builder.budget()));
  builder.append(' ');
  const propsBuilder = new BudgetStringBuilder(builder.budget() - 2, ', '); // for []

  // Indexed
  let lastIndex = -1;
  for (const prop of preview.properties) {
    if (!propsBuilder.checkBudget()) break;
    if (isNaN(prop.name as unknown as number)) continue;
    const index = parseInt(prop.name, 10);
    if (index > lastIndex + 1) propsBuilder.appendEllipsis();
    lastIndex = index;
    propsBuilder.append(renderPropertyPreview(prop, propsBuilder.budget()));
  }
  if (arrayLength > lastIndex + 1) propsBuilder.appendEllipsis();

  // Named
  for (const prop of preview.properties) {
    if (!propsBuilder.checkBudget()) break;
    if (!isNaN(prop.name as unknown as number)) continue;
    propsBuilder.append(renderPropertyPreview(prop, propsBuilder.budget(), prop.name));
  }
  if (preview.overflow) propsBuilder.appendEllipsis();
  builder.append('[' + propsBuilder.build() + ']');
  return builder.build();
}

function renderObjectPreview(
  preview: ObjectPreview.PreviewAsObjectType,