feat:脚本文件预览

2026-09-02 10:10:41 +08:00
parent 19585522ff
commit 0aca4934f7
12 changed files with 1138 additions and 65 deletions
@@ -0,0 +1,77 @@
+/** 数据资源预览：扩展名分流与展示名。 */
+
+export type DataResourcePreviewKind = "excel" | "text" | "table";
+
+export const EXCEL_EXTENSIONS = [".xlsx", ".xls"] as const;
+export const TEXT_EXTENSIONS = [".txt", ".json"] as const;
+export const TABLE_EXTENSIONS = [".csv", ".tsv"] as const;
+
+/** Excel 整文件拉取上限。 */
+export const EXCEL_PREVIEW_MAX_BYTES = 80 * 1024 * 1024;
+/** 文本预览拉取上限。 */
+export const TEXT_PREVIEW_MAX_BYTES = 5 * 1024 * 1024;
+
+export type DataResourcePreviewTarget = {
+  resourceId: string;
+  resourceName: string;
+  fileExtension: string | null;
+  sizeBytes: number;
+  kind: DataResourcePreviewKind;
+};
+
+function lowerName(name: string | null | undefined): string {
+  return (name ?? "").toLowerCase();
+}
+
+function matchesExt(name: string, exts: readonly string[]): boolean {
+  return exts.some((ext) => name.endsWith(ext));
+}
+
+export function isExcelFileName(name: string | null | undefined): boolean {
+  return matchesExt(lowerName(name), EXCEL_EXTENSIONS);
+}
+
+export function isTextPreviewFileName(name: string | null | undefined): boolean {
+  return matchesExt(lowerName(name), TEXT_EXTENSIONS);
+}
+
+export function isTablePreviewFileName(name: string | null | undefined): boolean {
+  return matchesExt(lowerName(name), TABLE_EXTENSIONS);
+}
+
+export function previewKindFromFileName(
+  name: string | null | undefined,
+): DataResourcePreviewKind | null {
+  const lower = lowerName(name);
+  if (matchesExt(lower, EXCEL_EXTENSIONS)) return "excel";
+  if (matchesExt(lower, TEXT_EXTENSIONS)) return "text";
+  if (matchesExt(lower, TABLE_EXTENSIONS)) return "table";
+  return null;
+}
+
+export function canPreviewDataResource(name: string | null | undefined): boolean {
+  return previewKindFromFileName(name) !== null;
+}
+
+export function resourceDisplayName(
+  resourceName: string,
+  fileExtension: string | null | undefined,
+): string {
+  if (!fileExtension) return resourceName;
+  const ext = fileExtension.startsWith(".")
+    ? fileExtension
+    : `.${fileExtension}`;
+  if (resourceName.toLowerCase().endsWith(ext.toLowerCase())) {
+    return resourceName;
+  }
+  return `${resourceName}${ext}`;
+}
+
+/** @deprecated use resourceDisplayName */
+export const excelDisplayName = resourceDisplayName;
+
+export function monacoLanguageFromFileName(name: string): string {
+  const lower = lowerName(name);
+  if (lower.endsWith(".json")) return "json";
+  return "plaintext";
+}