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docs: 仓库链接指向本镜像仓库
2026-11-13 09:27:07 +08:00

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Object.defineProperty(exports, Symbol.toStringTag, { value: "Module" });
const require_utils_buffer = require("./buffer.js");
//#region src/utils/body.ts
const MAX_NESTED_OBJECTS = 1e4;
const isRawRequest = (request) => "headers" in request;
const parseBody = async (request, options = Object.create(null)) => {
const { all = false, dot = false } = options;
const mediaType = (isRawRequest(request) ? request.headers : request.raw.headers).get("Content-Type")?.split(";")[0].trim().toLowerCase();
if (mediaType === "multipart/form-data" || mediaType === "application/x-www-form-urlencoded") return parseFormData(request, {
all,
dot
});
return {};
};
/**
* Parses form data from a request.
*
* @template T - The type of the parsed body data.
* @param {HonoRequest | Request} request - The request object containing form data.
* @param {ParseBodyOptions} options - Options for parsing the form data.
* @returns {Promise<T>} The parsed body data.
*/
async function parseFormData(request, options) {
if (!isRawRequest(request) && request.bodyCache.formData) return convertFormDataToBodyData(await request.bodyCache.formData, options);
const headers = isRawRequest(request) ? request.headers : request.raw.headers;
const arrayBuffer = await request.arrayBuffer();
const formDataPromise = require_utils_buffer.bufferToFormData(arrayBuffer, headers.get("Content-Type") || "");
if (!isRawRequest(request)) request.bodyCache.formData = formDataPromise;
const formData = await formDataPromise;
if (formData) return convertFormDataToBodyData(formData, options);
return {};
}
/**
* Converts form data to body data based on the provided options.
*
* @template T - The type of the parsed body data.
* @param {FormData} formData - The form data to convert.
* @param {ParseBodyOptions} options - Options for parsing the form data.
* @returns {T} The converted body data.
*/
function convertFormDataToBodyData(formData, options) {
const form = Object.create(null);
const nestingState = { count: 0 };
formData.forEach((value, key) => {
if (!(options.all || key.endsWith("[]"))) form[key] = value;
else handleParsingAllValues(form, key, value);
});
if (options.dot) Object.entries(form).forEach(([key, value]) => {
if (key.includes(".")) {
handleParsingNestedValues(form, key, value, nestingState);
delete form[key];
}
});
return form;
}
/**
* Handles parsing all values for a given key, supporting multiple values as arrays.
*
* @param {BodyData} form - The form data object.
* @param {string} key - The key to parse.
* @param {FormDataEntryValue} value - The value to assign.
*/
const handleParsingAllValues = (form, key, value) => {
if (form[key] !== void 0) {
if (Array.isArray(form[key])) form[key].push(value);
else form[key] = [form[key], value];
} else if (!key.endsWith("[]")) form[key] = value;
else form[key] = [value];
};
/**
* Handles parsing nested values using dot notation keys.
*
* @param {BodyData} form - The form data object.
* @param {string} key - The dot notation key.
* @param {BodyDataValue} value - The value to assign.
*/
const handleParsingNestedValues = (form, key, value, state) => {
if (/(?:^|\.)__proto__\./.test(key)) return;
let nestedForm = form;
const keys = key.split(".", 34);
if (keys.length > 33) throwNestingLimitExceeded();
keys.forEach((key, index) => {
if (index === keys.length - 1) nestedForm[key] = value;
else {
if (!nestedForm[key] || typeof nestedForm[key] !== "object" || Array.isArray(nestedForm[key]) || nestedForm[key] instanceof File) {
if (state.count++ >= MAX_NESTED_OBJECTS) throwNestingLimitExceeded();
nestedForm[key] = Object.create(null);
}
nestedForm = nestedForm[key];
}
});
};
const throwNestingLimitExceeded = () => {
throw new Error("Nesting limit exceeded");
};
//#endregion
exports.parseBody = parseBody;