stellar_prune/build/dev/javascript/gleam_json/gleam/json.mjs
2025-11-30 15:44:22 +01:00

325 lines
7 KiB
JavaScript

import * as $bit_array from "../../gleam_stdlib/gleam/bit_array.mjs";
import * as $dict from "../../gleam_stdlib/gleam/dict.mjs";
import * as $dynamic from "../../gleam_stdlib/gleam/dynamic.mjs";
import * as $decode from "../../gleam_stdlib/gleam/dynamic/decode.mjs";
import * as $list from "../../gleam_stdlib/gleam/list.mjs";
import * as $option from "../../gleam_stdlib/gleam/option.mjs";
import { None, Some } from "../../gleam_stdlib/gleam/option.mjs";
import * as $result from "../../gleam_stdlib/gleam/result.mjs";
import * as $string_tree from "../../gleam_stdlib/gleam/string_tree.mjs";
import { Ok, Error, toList, prepend as listPrepend, CustomType as $CustomType } from "../gleam.mjs";
import {
decode as decode_string,
json_to_string as do_to_string,
json_to_string as to_string_tree,
identity as do_string,
identity as do_bool,
identity as do_int,
identity as do_float,
do_null,
object as do_object,
array as do_preprocessed_array,
} from "../gleam_json_ffi.mjs";
export { to_string_tree };
export class UnexpectedEndOfInput extends $CustomType {}
export const DecodeError$UnexpectedEndOfInput = () =>
new UnexpectedEndOfInput();
export const DecodeError$isUnexpectedEndOfInput = (value) =>
value instanceof UnexpectedEndOfInput;
export class UnexpectedByte extends $CustomType {
constructor($0) {
super();
this[0] = $0;
}
}
export const DecodeError$UnexpectedByte = ($0) => new UnexpectedByte($0);
export const DecodeError$isUnexpectedByte = (value) =>
value instanceof UnexpectedByte;
export const DecodeError$UnexpectedByte$0 = (value) => value[0];
export class UnexpectedSequence extends $CustomType {
constructor($0) {
super();
this[0] = $0;
}
}
export const DecodeError$UnexpectedSequence = ($0) =>
new UnexpectedSequence($0);
export const DecodeError$isUnexpectedSequence = (value) =>
value instanceof UnexpectedSequence;
export const DecodeError$UnexpectedSequence$0 = (value) => value[0];
export class UnableToDecode extends $CustomType {
constructor($0) {
super();
this[0] = $0;
}
}
export const DecodeError$UnableToDecode = ($0) => new UnableToDecode($0);
export const DecodeError$isUnableToDecode = (value) =>
value instanceof UnableToDecode;
export const DecodeError$UnableToDecode$0 = (value) => value[0];
function do_parse(json, decoder) {
return $result.try$(
decode_string(json),
(dynamic_value) => {
let _pipe = $decode.run(dynamic_value, decoder);
return $result.map_error(
_pipe,
(var0) => { return new UnableToDecode(var0); },
);
},
);
}
/**
* Decode a JSON string into dynamically typed data which can be decoded into
* typed data with the `gleam/dynamic` module.
*
* ## Examples
*
* ```gleam
* > parse("[1,2,3]", decode.list(of: decode.int))
* Ok([1, 2, 3])
* ```
*
* ```gleam
* > parse("[", decode.list(of: decode.int))
* Error(UnexpectedEndOfInput)
* ```
*
* ```gleam
* > parse("1", decode.string)
* Error(UnableToDecode([decode.DecodeError("String", "Int", [])]))
* ```
*/
export function parse(json, decoder) {
return do_parse(json, decoder);
}
function decode_to_dynamic(json) {
let $ = $bit_array.to_string(json);
if ($ instanceof Ok) {
let string$1 = $[0];
return decode_string(string$1);
} else {
return new Error(new UnexpectedByte(""));
}
}
/**
* Decode a JSON bit string into dynamically typed data which can be decoded
* into typed data with the `gleam/dynamic` module.
*
* ## Examples
*
* ```gleam
* > parse_bits(<<"[1,2,3]">>, decode.list(of: decode.int))
* Ok([1, 2, 3])
* ```
*
* ```gleam
* > parse_bits(<<"[">>, decode.list(of: decode.int))
* Error(UnexpectedEndOfInput)
* ```
*
* ```gleam
* > parse_bits(<<"1">>, decode.string)
* Error(UnableToDecode([decode.DecodeError("String", "Int", [])])),
* ```
*/
export function parse_bits(json, decoder) {
return $result.try$(
decode_to_dynamic(json),
(dynamic_value) => {
let _pipe = $decode.run(dynamic_value, decoder);
return $result.map_error(
_pipe,
(var0) => { return new UnableToDecode(var0); },
);
},
);
}
/**
* Convert a JSON value into a string.
*
* Where possible prefer the `to_string_tree` function as it is faster than
* this function, and BEAM VM IO is optimised for sending `StringTree` data.
*
* ## Examples
*
* ```gleam
* > to_string(array([1, 2, 3], of: int))
* "[1,2,3]"
* ```
*/
export function to_string(json) {
return do_to_string(json);
}
/**
* Encode a string into JSON, using normal JSON escaping.
*
* ## Examples
*
* ```gleam
* > to_string(string("Hello!"))
* "\"Hello!\""
* ```
*/
export function string(input) {
return do_string(input);
}
/**
* Encode a bool into JSON.
*
* ## Examples
*
* ```gleam
* > to_string(bool(False))
* "false"
* ```
*/
export function bool(input) {
return do_bool(input);
}
/**
* Encode an int into JSON.
*
* ## Examples
*
* ```gleam
* > to_string(int(50))
* "50"
* ```
*/
export function int(input) {
return do_int(input);
}
/**
* Encode a float into JSON.
*
* ## Examples
*
* ```gleam
* > to_string(float(4.7))
* "4.7"
* ```
*/
export function float(input) {
return do_float(input);
}
/**
* The JSON value null.
*
* ## Examples
*
* ```gleam
* > to_string(null())
* "null"
* ```
*/
export function null$() {
return do_null();
}
/**
* Encode an optional value into JSON, using null if it is the `None` variant.
*
* ## Examples
*
* ```gleam
* > to_string(nullable(Some(50), of: int))
* "50"
* ```
*
* ```gleam
* > to_string(nullable(None, of: int))
* "null"
* ```
*/
export function nullable(input, inner_type) {
if (input instanceof Some) {
let value = input[0];
return inner_type(value);
} else {
return null$();
}
}
/**
* Encode a list of key-value pairs into a JSON object.
*
* ## Examples
*
* ```gleam
* > to_string(object([
* #("game", string("Pac-Man")),
* #("score", int(3333360)),
* ]))
* "{\"game\":\"Pac-Mac\",\"score\":3333360}"
* ```
*/
export function object(entries) {
return do_object(entries);
}
/**
* Encode a list of JSON values into a JSON array.
*
* ## Examples
*
* ```gleam
* > to_string(preprocessed_array([int(1), float(2.0), string("3")]))
* "[1, 2.0, \"3\"]"
* ```
*/
export function preprocessed_array(from) {
return do_preprocessed_array(from);
}
/**
* Encode a list into a JSON array.
*
* ## Examples
*
* ```gleam
* > to_string(array([1, 2, 3], of: int))
* "[1, 2, 3]"
* ```
*/
export function array(entries, inner_type) {
let _pipe = entries;
let _pipe$1 = $list.map(_pipe, inner_type);
return preprocessed_array(_pipe$1);
}
/**
* Encode a Dict into a JSON object using the supplied functions to encode
* the keys and the values respectively.
*
* ## Examples
*
* ```gleam
* > to_string(dict(dict.from_list([ #(3, 3.0), #(4, 4.0)]), int.to_string, float)
* "{\"3\": 3.0, \"4\": 4.0}"
* ```
*/
export function dict(dict, keys, values) {
return object(
$dict.fold(
dict,
toList([]),
(acc, k, v) => { return listPrepend([keys(k), values(v)], acc); },
),
);
}