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//go:build exclude
#include <node_api.h>
#include <stdlib.h>
#include "minify.h"
napi_status get_string(napi_env env, napi_value v, char **s, size_t *size) {
napi_status status;
napi_valuetype type;
status = napi_typeof(env, v, &type);
if (status != napi_ok) {
return status;
} else if (type != napi_string) {
return (napi_status)napi_string_expected;
}
size_t len, len_read;
status = napi_get_value_string_utf8(env, v, NULL, 0, &len);
if (status != napi_ok) {
return status;
}
*s = (char *)malloc(len+1);
status = napi_get_value_string_utf8(env, v, *s, len+1, &len_read);
if (status != napi_ok) {
free(*s);
return status;
} else if (len != len_read) {
free(*s);
return napi_generic_failure;
}
if (size != NULL) {
*size = len;
}
return napi_ok;
}
void free_char_array(char **array, uint32_t length) {
for (uint32_t i = 0; i < length; i++) {
free(array[i]);
}
free(array);
}
napi_value config(napi_env env, napi_callback_info info) {
napi_status status;
size_t argc = 1;
napi_value argv[1];
status = napi_get_cb_info(env, info, &argc, argv, NULL, NULL);
if (status != napi_ok) {
return NULL;
} else if (argc < 1) {
napi_throw_type_error(env, NULL, "expected config argument");
return NULL;
}
napi_valuetype type;
status = napi_typeof(env, argv[0], &type);
if (status != napi_ok) {
return NULL;
} else if (type != napi_object) {
napi_throw_type_error(env, NULL, "config must be an object");
return NULL;
}
napi_value properties;
status = napi_get_all_property_names(env, argv[0], napi_key_own_only, napi_key_enumerable, napi_key_numbers_to_strings, &properties);
if (status != napi_ok) {
return NULL;
}
uint32_t length;
status = napi_get_array_length(env, properties, &length);
if (status != napi_ok) {
return NULL;
}
char **keys = (char **)malloc(length * sizeof(char *));
char **vals = (char **)malloc(length * sizeof(char *));
for (uint32_t i = 0; i < length; i++) {
napi_value nkey, nval;
status = napi_get_element(env, properties, i, &nkey);
if (status != napi_ok) {
free_char_array(vals, i);
free_char_array(keys, i);
return NULL;
}
status = napi_get_property(env, argv[0], nkey, &nval);
if (status != napi_ok) {
free_char_array(vals, i);
free_char_array(keys, i);
return NULL;
}
status = get_string(env, nkey, &keys[i], NULL);
if (status == napi_string_expected) {
free_char_array(vals, i);
free_char_array(keys, i);
napi_throw_type_error(env, NULL, "config keys must be strings");
return NULL;
} else if (status != napi_ok) {
free_char_array(vals, i);
free_char_array(keys, i);
return NULL;
}
status = napi_typeof(env, nval, &type);
if (status != napi_ok) {
free_char_array(vals, i);
free_char_array(keys, i+1);
return NULL;
} else if (type == napi_boolean || type == napi_number) {
status = napi_coerce_to_string(env, nval, &nval);
} else if (type != napi_string) {
free_char_array(vals, i);
free_char_array(keys, i+1);
napi_throw_type_error(env, NULL, "config values must be strings, integers, or booleans");
return NULL;
}
status = get_string(env, nval, &vals[i], NULL);
if (status != napi_ok) {
free_char_array(vals, i);
free_char_array(keys, i+1);
return NULL;
}
}
char *error = minifyConfig(keys, vals, length);
free_char_array(vals, length);
free_char_array(keys, length);
if (error != NULL) {
napi_throw_error(env, NULL, error);
free(error);
return NULL;
}
return NULL;
}
napi_value string(napi_env env, napi_callback_info info) {
napi_status status;
size_t argc = 2;
napi_value argv[2];
status = napi_get_cb_info(env, info, &argc, argv, NULL, NULL);
if (status != napi_ok) {
return NULL;
} else if (argc < 2) {
napi_throw_type_error(env, NULL, "expected mediatype and input arguments");
return NULL;
}
char *mediatype, *input;
size_t input_length;
status = get_string(env, argv[0], &mediatype, NULL);
if (status == napi_string_expected) {
napi_throw_type_error(env, NULL, "mediatype must be a string");
return NULL;
} else if (status != napi_ok) {
return NULL;
}
status = get_string(env, argv[1], &input, &input_length);
if (status == napi_string_expected) {
free(mediatype);
napi_throw_type_error(env, NULL, "input must be a string");
return NULL;
} else if (status != napi_ok) {
free(mediatype);
return NULL;
}
char *output = (char *)malloc(input_length);
long long output_length;
char *error = minifyString(mediatype, input, input_length, output, &output_length);
free(input);
free(mediatype);
if (error != NULL) {
napi_throw_error(env, NULL, error);
free(error);
free(output);
return NULL;
}
napi_value ret;
status = napi_create_string_utf8(env, output, output_length, &ret);
free(output);
if (status != napi_ok) {
return NULL;
}
return ret;
}
napi_value file(napi_env env, napi_callback_info info) {
napi_status status;
size_t argc = 3;
napi_value argv[3];
status = napi_get_cb_info(env, info, &argc, argv, NULL, NULL);
if (status != napi_ok) {
return NULL;
} else if (argc < 3) {
napi_throw_type_error(env, NULL, "expected mediatype, input, and output arguments");
return NULL;
}
char *mediatype, *input, *output;
status = get_string(env, argv[0], &mediatype, NULL);
if (status == napi_string_expected) {
napi_throw_type_error(env, NULL, "mediatype must be a string");
return NULL;
} else if (status != napi_ok) {
return NULL;
}
status = get_string(env, argv[1], &input, NULL);
if (status == napi_string_expected) {
free(mediatype);
napi_throw_type_error(env, NULL, "input must be a string");
return NULL;
} else if (status != napi_ok) {
free(mediatype);
return NULL;
}
status = get_string(env, argv[2], &output, NULL);
if (status == napi_string_expected) {
free(input);
free(mediatype);
napi_throw_type_error(env, NULL, "output must be a string");
return NULL;
} else if (status != napi_ok) {
free(input);
free(mediatype);
return NULL;
}
char *error = minifyFile(mediatype, input, output);
free(output);
free(input);
free(mediatype);
if (error != NULL) {
napi_throw_error(env, NULL, error);
free(error);
return NULL;
}
return NULL;
}
napi_value init(napi_env env, napi_value exports) {
napi_status status;
napi_value fnConfig, fnString, fnFile;
status = napi_create_function(env, NULL, 0, config, NULL, &fnConfig);
if (status != napi_ok) {
return NULL;
}
status = napi_set_named_property(env, exports, "config", fnConfig);
if (status != napi_ok) {
return NULL;
}
status = napi_create_function(env, NULL, 0, string, NULL, &fnString);
if (status != napi_ok) {
return NULL;
}
status = napi_set_named_property(env, exports, "string", fnString);
if (status != napi_ok) {
return NULL;
}
status = napi_create_function(env, NULL, 0, file, NULL, &fnFile);
if (status != napi_ok) {
return NULL;
}
status = napi_set_named_property(env, exports, "file", fnFile);
if (status != napi_ok) {
return NULL;
}
return exports;
}
NAPI_MODULE_INIT() {
return init(env, exports);
}
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