ai-tools-suite/frontend/.svelte-kit/adapter-node/chunks/shared.js

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2025-12-27 15:33:06 +00:00
import * as devalue from "devalue";
import { t as text_decoder, b as base64_encode, c as base64_decode } from "./utils.js";
const BROWSER = false;
function set_nested_value(object, path_string, value) {
if (path_string.startsWith("n:")) {
path_string = path_string.slice(2);
value = value === "" ? void 0 : parseFloat(value);
} else if (path_string.startsWith("b:")) {
path_string = path_string.slice(2);
value = value === "on";
}
deep_set(object, split_path(path_string), value);
}
function convert_formdata(data) {
const result = {};
for (let key of data.keys()) {
const is_array = key.endsWith("[]");
let values = data.getAll(key);
if (is_array) key = key.slice(0, -2);
if (values.length > 1 && !is_array) {
throw new Error(`Form cannot contain duplicated keys — "${key}" has ${values.length} values`);
}
values = values.filter(
(entry) => typeof entry === "string" || entry.name !== "" || entry.size > 0
);
if (key.startsWith("n:")) {
key = key.slice(2);
values = values.map((v) => v === "" ? void 0 : parseFloat(
/** @type {string} */
v
));
} else if (key.startsWith("b:")) {
key = key.slice(2);
values = values.map((v) => v === "on");
}
set_nested_value(result, key, is_array ? values : values[0]);
}
return result;
}
const BINARY_FORM_CONTENT_TYPE = "application/x-sveltekit-formdata";
const BINARY_FORM_VERSION = 0;
async function deserialize_binary_form(request) {
if (request.headers.get("content-type") !== BINARY_FORM_CONTENT_TYPE) {
const form_data = await request.formData();
return { data: convert_formdata(form_data), meta: {}, form_data };
}
if (!request.body) {
throw new Error("Could not deserialize binary form: no body");
}
const reader = request.body.getReader();
const chunks = [];
async function get_chunk(index) {
if (index in chunks) return chunks[index];
let i = chunks.length;
while (i <= index) {
chunks[i] = reader.read().then((chunk) => chunk.value);
i++;
}
return chunks[index];
}
async function get_buffer(offset, length) {
let start_chunk;
let chunk_start = 0;
let chunk_index;
for (chunk_index = 0; ; chunk_index++) {
const chunk = await get_chunk(chunk_index);
if (!chunk) return null;
const chunk_end = chunk_start + chunk.byteLength;
if (offset >= chunk_start && offset < chunk_end) {
start_chunk = chunk;
break;
}
chunk_start = chunk_end;
}
if (offset + length <= chunk_start + start_chunk.byteLength) {
return start_chunk.subarray(offset - chunk_start, offset + length - chunk_start);
}
const buffer = new Uint8Array(length);
buffer.set(start_chunk.subarray(offset - chunk_start));
let cursor = start_chunk.byteLength - offset + chunk_start;
while (cursor < length) {
chunk_index++;
let chunk = await get_chunk(chunk_index);
if (!chunk) return null;
if (chunk.byteLength > length - cursor) {
chunk = chunk.subarray(0, length - cursor);
}
buffer.set(chunk, cursor);
cursor += chunk.byteLength;
}
return buffer;
}
const header = await get_buffer(0, 1 + 4 + 2);
if (!header) throw new Error("Could not deserialize binary form: too short");
if (header[0] !== BINARY_FORM_VERSION) {
throw new Error(
`Could not deserialize binary form: got version ${header[0]}, expected version ${BINARY_FORM_VERSION}`
);
}
const header_view = new DataView(header.buffer, header.byteOffset, header.byteLength);
const data_length = header_view.getUint32(1, true);
const file_offsets_length = header_view.getUint16(5, true);
const data_buffer = await get_buffer(1 + 4 + 2, data_length);
if (!data_buffer) throw new Error("Could not deserialize binary form: data too short");
let file_offsets;
let files_start_offset;
if (file_offsets_length > 0) {
const file_offsets_buffer = await get_buffer(1 + 4 + 2 + data_length, file_offsets_length);
if (!file_offsets_buffer)
throw new Error("Could not deserialize binary form: file offset table too short");
file_offsets = /** @type {Array<number>} */
JSON.parse(text_decoder.decode(file_offsets_buffer));
files_start_offset = 1 + 4 + 2 + data_length + file_offsets_length;
}
const [data, meta] = devalue.parse(text_decoder.decode(data_buffer), {
File: ([name, type, size, last_modified, index]) => {
return new Proxy(
new LazyFile(
name,
type,
size,
last_modified,
get_chunk,
files_start_offset + file_offsets[index]
),
{
getPrototypeOf() {
return File.prototype;
}
}
);
}
});
void (async () => {
let has_more = true;
while (has_more) {
const chunk = await get_chunk(chunks.length);
has_more = !!chunk;
}
})();
return { data, meta, form_data: null };
}
class LazyFile {
/** @type {(index: number) => Promise<Uint8Array<ArrayBuffer> | undefined>} */
#get_chunk;
/** @type {number} */
#offset;
/**
* @param {string} name
* @param {string} type
* @param {number} size
* @param {number} last_modified
* @param {(index: number) => Promise<Uint8Array<ArrayBuffer> | undefined>} get_chunk
* @param {number} offset
*/
constructor(name, type, size, last_modified, get_chunk, offset) {
this.name = name;
this.type = type;
this.size = size;
this.lastModified = last_modified;
this.webkitRelativePath = "";
this.#get_chunk = get_chunk;
this.#offset = offset;
this.arrayBuffer = this.arrayBuffer.bind(this);
this.bytes = this.bytes.bind(this);
this.slice = this.slice.bind(this);
this.stream = this.stream.bind(this);
this.text = this.text.bind(this);
}
/** @type {ArrayBuffer | undefined} */
#buffer;
async arrayBuffer() {
this.#buffer ??= await new Response(this.stream()).arrayBuffer();
return this.#buffer;
}
async bytes() {
return new Uint8Array(await this.arrayBuffer());
}
/**
* @param {number=} start
* @param {number=} end
* @param {string=} contentType
*/
slice(start = 0, end = this.size, contentType = this.type) {
if (start < 0) {
start = Math.max(this.size + start, 0);
} else {
start = Math.min(start, this.size);
}
if (end < 0) {
end = Math.max(this.size + end, 0);
} else {
end = Math.min(end, this.size);
}
const size = Math.max(end - start, 0);
const file = new LazyFile(
this.name,
contentType,
size,
this.lastModified,
this.#get_chunk,
this.#offset + start
);
return file;
}
stream() {
let cursor = 0;
let chunk_index = 0;
return new ReadableStream({
start: async (controller) => {
let chunk_start = 0;
let start_chunk = null;
for (chunk_index = 0; ; chunk_index++) {
const chunk = await this.#get_chunk(chunk_index);
if (!chunk) return null;
const chunk_end = chunk_start + chunk.byteLength;
if (this.#offset >= chunk_start && this.#offset < chunk_end) {
start_chunk = chunk;
break;
}
chunk_start = chunk_end;
}
if (this.#offset + this.size <= chunk_start + start_chunk.byteLength) {
controller.enqueue(
start_chunk.subarray(this.#offset - chunk_start, this.#offset + this.size - chunk_start)
);
controller.close();
} else {
controller.enqueue(start_chunk.subarray(this.#offset - chunk_start));
cursor = start_chunk.byteLength - this.#offset + chunk_start;
}
},
pull: async (controller) => {
chunk_index++;
let chunk = await this.#get_chunk(chunk_index);
if (!chunk) {
controller.error("Could not deserialize binary form: incomplete file data");
controller.close();
return;
}
if (chunk.byteLength > this.size - cursor) {
chunk = chunk.subarray(0, this.size - cursor);
}
controller.enqueue(chunk);
cursor += chunk.byteLength;
if (cursor >= this.size) {
controller.close();
}
}
});
}
async text() {
return text_decoder.decode(await this.arrayBuffer());
}
}
const path_regex = /^[a-zA-Z_$]\w*(\.[a-zA-Z_$]\w*|\[\d+\])*$/;
function split_path(path) {
if (!path_regex.test(path)) {
throw new Error(`Invalid path ${path}`);
}
return path.split(/\.|\[|\]/).filter(Boolean);
}
function check_prototype_pollution(key) {
if (key === "__proto__" || key === "constructor" || key === "prototype") {
throw new Error(
`Invalid key "${key}"`
);
}
}
function deep_set(object, keys, value) {
let current = object;
for (let i = 0; i < keys.length - 1; i += 1) {
const key = keys[i];
check_prototype_pollution(key);
const is_array = /^\d+$/.test(keys[i + 1]);
const exists = key in current;
const inner = current[key];
if (exists && is_array !== Array.isArray(inner)) {
throw new Error(`Invalid array key ${keys[i + 1]}`);
}
if (!exists) {
current[key] = is_array ? [] : {};
}
current = current[key];
}
const final_key = keys[keys.length - 1];
check_prototype_pollution(final_key);
current[final_key] = value;
}
function normalize_issue(issue, server = false) {
const normalized = { name: "", path: [], message: issue.message, server };
if (issue.path !== void 0) {
let name = "";
for (const segment of issue.path) {
const key = (
/** @type {string | number} */
typeof segment === "object" ? segment.key : segment
);
normalized.path.push(key);
if (typeof key === "number") {
name += `[${key}]`;
} else if (typeof key === "string") {
name += name === "" ? key : "." + key;
}
}
normalized.name = name;
}
return normalized;
}
function flatten_issues(issues) {
const result = {};
for (const issue of issues) {
(result.$ ??= []).push(issue);
let name = "";
if (issue.path !== void 0) {
for (const key of issue.path) {
if (typeof key === "number") {
name += `[${key}]`;
} else if (typeof key === "string") {
name += name === "" ? key : "." + key;
}
(result[name] ??= []).push(issue);
}
}
}
return result;
}
function deep_get(object, path) {
let current = object;
for (const key of path) {
if (current == null || typeof current !== "object") {
return current;
}
current = current[key];
}
return current;
}
function create_field_proxy(target, get_input, set_input, get_issues, path = []) {
const get_value = () => {
return deep_get(get_input(), path);
};
return new Proxy(target, {
get(target2, prop) {
if (typeof prop === "symbol") return target2[prop];
if (/^\d+$/.test(prop)) {
return create_field_proxy({}, get_input, set_input, get_issues, [
...path,
parseInt(prop, 10)
]);
}
const key = build_path_string(path);
if (prop === "set") {
const set_func = function(newValue) {
set_input(path, newValue);
return newValue;
};
return create_field_proxy(set_func, get_input, set_input, get_issues, [...path, prop]);
}
if (prop === "value") {
return create_field_proxy(get_value, get_input, set_input, get_issues, [...path, prop]);
}
if (prop === "issues" || prop === "allIssues") {
const issues_func = () => {
const all_issues = get_issues()[key === "" ? "$" : key];
if (prop === "allIssues") {
return all_issues?.map((issue) => ({
path: issue.path,
message: issue.message
}));
}
return all_issues?.filter((issue) => issue.name === key)?.map((issue) => ({
path: issue.path,
message: issue.message
}));
};
return create_field_proxy(issues_func, get_input, set_input, get_issues, [...path, prop]);
}
if (prop === "as") {
const as_func = (type, input_value) => {
const is_array = type === "file multiple" || type === "select multiple" || type === "checkbox" && typeof input_value === "string";
const prefix = type === "number" || type === "range" ? "n:" : type === "checkbox" && !is_array ? "b:" : "";
const base_props = {
name: prefix + key + (is_array ? "[]" : ""),
get "aria-invalid"() {
const issues = get_issues();
return key in issues ? "true" : void 0;
}
};
if (type !== "text" && type !== "select" && type !== "select multiple") {
base_props.type = type === "file multiple" ? "file" : type;
}
if (type === "submit" || type === "hidden") {
return Object.defineProperties(base_props, {
value: { value: input_value, enumerable: true }
});
}
if (type === "select" || type === "select multiple") {
return Object.defineProperties(base_props, {
multiple: { value: is_array, enumerable: true },
value: {
enumerable: true,
get() {
return get_value();
}
}
});
}
if (type === "checkbox" || type === "radio") {
return Object.defineProperties(base_props, {
value: { value: input_value ?? "on", enumerable: true },
checked: {
enumerable: true,
get() {
const value = get_value();
if (type === "radio") {
return value === input_value;
}
if (is_array) {
return (value ?? []).includes(input_value);
}
return value;
}
}
});
}
if (type === "file" || type === "file multiple") {
return Object.defineProperties(base_props, {
multiple: { value: is_array, enumerable: true },
files: {
enumerable: true,
get() {
const value = get_value();
if (value instanceof File) {
if (typeof DataTransfer !== "undefined") {
const fileList = new DataTransfer();
fileList.items.add(value);
return fileList.files;
}
return { 0: value, length: 1 };
}
if (Array.isArray(value) && value.every((f) => f instanceof File)) {
if (typeof DataTransfer !== "undefined") {
const fileList = new DataTransfer();
value.forEach((file) => fileList.items.add(file));
return fileList.files;
}
const fileListLike = { length: value.length };
value.forEach((file, index) => {
fileListLike[index] = file;
});
return fileListLike;
}
return null;
}
}
});
}
return Object.defineProperties(base_props, {
value: {
enumerable: true,
get() {
const value = get_value();
return value != null ? String(value) : "";
}
}
});
};
return create_field_proxy(as_func, get_input, set_input, get_issues, [...path, "as"]);
}
return create_field_proxy({}, get_input, set_input, get_issues, [...path, prop]);
}
});
}
function build_path_string(path) {
let result = "";
for (const segment of path) {
if (typeof segment === "number") {
result += `[${segment}]`;
} else {
result += result === "" ? segment : "." + segment;
}
}
return result;
}
const INVALIDATED_PARAM = "x-sveltekit-invalidated";
const TRAILING_SLASH_PARAM = "x-sveltekit-trailing-slash";
function stringify(data, transport) {
const encoders = Object.fromEntries(Object.entries(transport).map(([k, v]) => [k, v.encode]));
return devalue.stringify(data, encoders);
}
function stringify_remote_arg(value, transport) {
if (value === void 0) return "";
const json_string = stringify(value, transport);
const bytes = new TextEncoder().encode(json_string);
return base64_encode(bytes).replaceAll("=", "").replaceAll("+", "-").replaceAll("/", "_");
}
function parse_remote_arg(string, transport) {
if (!string) return void 0;
const json_string = text_decoder.decode(
// no need to add back `=` characters, atob can handle it
base64_decode(string.replaceAll("-", "+").replaceAll("_", "/"))
);
const decoders = Object.fromEntries(Object.entries(transport).map(([k, v]) => [k, v.decode]));
return devalue.parse(json_string, decoders);
}
function create_remote_key(id, payload) {
return id + "/" + payload;
}
export {
BINARY_FORM_CONTENT_TYPE as B,
INVALIDATED_PARAM as I,
TRAILING_SLASH_PARAM as T,
BROWSER as a,
stringify_remote_arg as b,
create_remote_key as c,
deserialize_binary_form as d,
create_field_proxy as e,
flatten_issues as f,
set_nested_value as g,
deep_set as h,
normalize_issue as n,
parse_remote_arg as p,
stringify as s
};