abearxiong
6411e42b3a
- .gitignore 中新增 .env 文件忽略规则并保留示例文件 - package.json 中新增 src 文件夹纳入发布文件范围 - 升级 devDependencies 中部分包版本并新增 AWS SDK 和 es-toolkit 等依赖 - 移除 lodash 改用 es-toolkit 的 omit 函数以减小包体积 - 使用 dotenv 的解构导入替换默认导入，规范配置加载方式 - util 模块导出新增 extract-standard-headers 功能模块接口
45 lines
1.5 KiB
TypeScript
45 lines
1.5 KiB
TypeScript
export const standardHeaderKeys = ['content-type', 'cache-control', 'content-disposition', 'content-encoding', 'content-language', 'expires'];
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export type StandardHeaders = {
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ContentType?: string;
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CacheControl?: string;
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ContentDisposition?: string;
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ContentEncoding?: string;
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ContentLanguage?: string;
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Expires?: Date;
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};
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/**
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* 从元数据中提取标准头部和自定义元数据
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* @param metaData 原始元数据
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* @returns 标准头部和自定义元数据
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*/
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export function extractStandardHeaders(metaData: Record<string, string>): {
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standardHeaders: StandardHeaders;
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customMetadata: Record<string, string>;
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} {
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const standardHeaders: StandardHeaders = {};
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const customMetadata: Record<string, string> = {};
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for (const [key, value] of Object.entries(metaData)) {
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const lowerKey = key.toLowerCase();
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if (lowerKey === 'content-type') {
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standardHeaders.ContentType = value;
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} else if (lowerKey === 'cache-control') {
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standardHeaders.CacheControl = value;
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} else if (lowerKey === 'content-disposition') {
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standardHeaders.ContentDisposition = value;
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} else if (lowerKey === 'content-encoding') {
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standardHeaders.ContentEncoding = value;
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} else if (lowerKey === 'content-language') {
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standardHeaders.ContentLanguage = value;
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} else if (lowerKey === 'expires') {
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standardHeaders.Expires = new Date(value);
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} else {
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customMetadata[key] = value;
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}
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}
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return { standardHeaders, customMetadata };
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}
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