@bsull/augurs
Version:
JavaScript bindings for the augurs time series library.
693 lines (650 loc) • 24.4 kB
JavaScript
/* @ts-self-types="./ets.d.ts" */
/**
* Automatic ETS model selection.
*/
export class AutoETS {
__destroy_into_raw() {
const ptr = this.__wbg_ptr;
this.__wbg_ptr = 0;
AutoETSFinalization.unregister(this);
return ptr;
}
free() {
const ptr = this.__destroy_into_raw();
wasm.__wbg_autoets_free(ptr, 0);
}
/**
* Search for the best model, fitting it to the data.
*
* The model will be stored on the inner `AutoETS` instance, after which
* forecasts can be produced using its `predict` method.
*
* # Errors
*
* If no model can be found, or if any parameters are invalid, this function
* returns an error.
* @param {number[] | Float64Array} y
*/
fit(y) {
const ret = wasm.autoets_fit(this.__wbg_ptr, y);
if (ret[1]) {
throw takeFromExternrefTable0(ret[0]);
}
}
/**
* Create a new `AutoETS` model search instance.
*
* # Errors
*
* If the `spec` string is invalid, this function returns an error.
* @param {number} seasonLength
* @param {string} spec
*/
constructor(seasonLength, spec) {
const ptr0 = passStringToWasm0(spec, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
const len0 = WASM_VECTOR_LEN;
const ret = wasm.autoets_new(seasonLength, ptr0, len0);
if (ret[2]) {
throw takeFromExternrefTable0(ret[1]);
}
this.__wbg_ptr = ret[0] >>> 0;
AutoETSFinalization.register(this, this.__wbg_ptr, this);
return this;
}
/**
* Predict the next `horizon` values using the best model, optionally including
* prediction intervals at the specified level.
*
* `level` should be a float between 0 and 1 representing the confidence level.
*
* # Errors
*
* This function will return an error if no model has been fit yet (using [`AutoETS::fit`]).
* @param {number} horizon
* @param {number | null} [level]
* @returns {Forecast}
*/
predict(horizon, level) {
const ret = wasm.autoets_predict(this.__wbg_ptr, horizon, !isLikeNone(level), isLikeNone(level) ? 0 : level);
if (ret[2]) {
throw takeFromExternrefTable0(ret[1]);
}
return takeFromExternrefTable0(ret[0]);
}
}
if (Symbol.dispose) AutoETS.prototype[Symbol.dispose] = AutoETS.prototype.free;
/**
* Initialize the logger and panic hook.
*
* This will be called automatically when the module is imported.
* It sets the default tracing subscriber to `tracing-wasm`, and
* sets WASM panics to print to the console with a helpful error
* message.
*/
export function custom_init() {
wasm.custom_init();
}
/**
* Initialize logging.
*
* You can use this to emit logs from augurs to the browser console.
* The default is to log everything to the console, but you can
* change the log level and whether logs are emitted to the console
* or to the browser's performance timeline.
*
* IMPORTANT: this function should only be called once. It will throw
* an exception if called more than once.
* @param {LogConfig | null} [config]
*/
export function initLogging(config) {
const ret = wasm.initLogging(isLikeNone(config) ? 0 : addToExternrefTable0(config));
if (ret[1]) {
throw takeFromExternrefTable0(ret[0]);
}
}
function __wbg_get_imports() {
const import0 = {
__proto__: null,
__wbg_Error_ecbf49c1b9d07c30: function(arg0, arg1) {
const ret = Error(getStringFromWasm0(arg0, arg1));
return ret;
},
__wbg_String_8564e559799eccda: function(arg0, arg1) {
const ret = String(arg1);
const ptr1 = passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
const len1 = WASM_VECTOR_LEN;
getDataViewMemory0().setInt32(arg0 + 4 * 1, len1, true);
getDataViewMemory0().setInt32(arg0 + 4 * 0, ptr1, true);
},
__wbg___wbindgen_boolean_get_4a348b369b009243: function(arg0) {
const v = arg0;
const ret = typeof(v) === 'boolean' ? v : undefined;
return isLikeNone(ret) ? 0xFFFFFF : ret ? 1 : 0;
},
__wbg___wbindgen_debug_string_43c7ccb034739216: function(arg0, arg1) {
const ret = debugString(arg1);
const ptr1 = passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
const len1 = WASM_VECTOR_LEN;
getDataViewMemory0().setInt32(arg0 + 4 * 1, len1, true);
getDataViewMemory0().setInt32(arg0 + 4 * 0, ptr1, true);
},
__wbg___wbindgen_in_035107858ad0083e: function(arg0, arg1) {
const ret = arg0 in arg1;
return ret;
},
__wbg___wbindgen_is_function_18bea6e84080c016: function(arg0) {
const ret = typeof(arg0) === 'function';
return ret;
},
__wbg___wbindgen_is_object_8d3fac158b36498d: function(arg0) {
const val = arg0;
const ret = typeof(val) === 'object' && val !== null;
return ret;
},
__wbg___wbindgen_is_string_4d5f2c5b2acf65b0: function(arg0) {
const ret = typeof(arg0) === 'string';
return ret;
},
__wbg___wbindgen_is_undefined_4a711ea9d2e1ef93: function(arg0) {
const ret = arg0 === undefined;
return ret;
},
__wbg___wbindgen_jsval_loose_eq_1a2067dfb025b5ec: function(arg0, arg1) {
const ret = arg0 == arg1;
return ret;
},
__wbg___wbindgen_number_get_eed4462ef92e1bed: function(arg0, arg1) {
const obj = arg1;
const ret = typeof(obj) === 'number' ? obj : undefined;
getDataViewMemory0().setFloat64(arg0 + 8 * 1, isLikeNone(ret) ? 0 : ret, true);
getDataViewMemory0().setInt32(arg0 + 4 * 0, !isLikeNone(ret), true);
},
__wbg___wbindgen_string_get_d09f733449cbf7a2: function(arg0, arg1) {
const obj = arg1;
const ret = typeof(obj) === 'string' ? obj : undefined;
var ptr1 = isLikeNone(ret) ? 0 : passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
var len1 = WASM_VECTOR_LEN;
getDataViewMemory0().setInt32(arg0 + 4 * 1, len1, true);
getDataViewMemory0().setInt32(arg0 + 4 * 0, ptr1, true);
},
__wbg___wbindgen_throw_df03e93053e0f4bc: function(arg0, arg1) {
throw new Error(getStringFromWasm0(arg0, arg1));
},
__wbg_call_85e5437fa1ab109d: function() { return handleError(function (arg0, arg1, arg2) {
const ret = arg0.call(arg1, arg2);
return ret;
}, arguments); },
__wbg_call_df7a43aecab856a8: function() { return handleError(function (arg0, arg1) {
const ret = arg0.call(arg1);
return ret;
}, arguments); },
__wbg_crypto_38df2bab126b63dc: function(arg0) {
const ret = arg0.crypto;
return ret;
},
__wbg_done_0ad70482cae88a68: function(arg0) {
const ret = arg0.done;
return ret;
},
__wbg_entries_d58050057c0390ac: function(arg0) {
const ret = Object.entries(arg0);
return ret;
},
__wbg_error_a6fa202b58aa1cd3: function(arg0, arg1) {
let deferred0_0;
let deferred0_1;
try {
deferred0_0 = arg0;
deferred0_1 = arg1;
console.error(getStringFromWasm0(arg0, arg1));
} finally {
wasm.__wbindgen_free(deferred0_0, deferred0_1, 1);
}
},
__wbg_getRandomValues_c44a50d8cfdaebeb: function() { return handleError(function (arg0, arg1) {
arg0.getRandomValues(arg1);
}, arguments); },
__wbg_get_6f5cf69c8f3f094a: function() { return handleError(function (arg0, arg1) {
const ret = Reflect.get(arg0, arg1);
return ret;
}, arguments); },
__wbg_get_c40e2c3262995a8e: function(arg0, arg1) {
const ret = arg0[arg1 >>> 0];
return ret;
},
__wbg_get_unchecked_3de5bfaaea65f86b: function(arg0, arg1) {
const ret = arg0[arg1 >>> 0];
return ret;
},
__wbg_get_with_ref_key_6412cf3094599694: function(arg0, arg1) {
const ret = arg0[arg1];
return ret;
},
__wbg_instanceof_ArrayBuffer_d8e4e51f1cf7287a: function(arg0) {
let result;
try {
result = arg0 instanceof ArrayBuffer;
} catch (_) {
result = false;
}
const ret = result;
return ret;
},
__wbg_instanceof_Uint8Array_6e48d83da6091cc8: function(arg0) {
let result;
try {
result = arg0 instanceof Uint8Array;
} catch (_) {
result = false;
}
const ret = result;
return ret;
},
__wbg_isArray_2efa5973cef6ec32: function(arg0) {
const ret = Array.isArray(arg0);
return ret;
},
__wbg_iterator_e77d2b7575cca5a7: function() {
const ret = Symbol.iterator;
return ret;
},
__wbg_length_00dd7227fd4626ad: function(arg0) {
const ret = arg0.length;
return ret;
},
__wbg_length_5e07cf181b2745fb: function(arg0) {
const ret = arg0.length;
return ret;
},
__wbg_log_17a3e9a5cbb91ef7: function(arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7) {
let deferred0_0;
let deferred0_1;
try {
deferred0_0 = arg0;
deferred0_1 = arg1;
console.log(getStringFromWasm0(arg0, arg1), getStringFromWasm0(arg2, arg3), getStringFromWasm0(arg4, arg5), getStringFromWasm0(arg6, arg7));
} finally {
wasm.__wbindgen_free(deferred0_0, deferred0_1, 1);
}
},
__wbg_log_e885b89e7e480a2f: function(arg0, arg1) {
let deferred0_0;
let deferred0_1;
try {
deferred0_0 = arg0;
deferred0_1 = arg1;
console.log(getStringFromWasm0(arg0, arg1));
} finally {
wasm.__wbindgen_free(deferred0_0, deferred0_1, 1);
}
},
__wbg_mark_0279c5d75168b5b8: function(arg0, arg1) {
performance.mark(getStringFromWasm0(arg0, arg1));
},
__wbg_measure_c9b58ac538b3e2f7: function() { return handleError(function (arg0, arg1, arg2, arg3) {
let deferred0_0;
let deferred0_1;
let deferred1_0;
let deferred1_1;
try {
deferred0_0 = arg0;
deferred0_1 = arg1;
deferred1_0 = arg2;
deferred1_1 = arg3;
performance.measure(getStringFromWasm0(arg0, arg1), getStringFromWasm0(arg2, arg3));
} finally {
wasm.__wbindgen_free(deferred0_0, deferred0_1, 1);
wasm.__wbindgen_free(deferred1_0, deferred1_1, 1);
}
}, arguments); },
__wbg_msCrypto_bd5a034af96bcba6: function(arg0) {
const ret = arg0.msCrypto;
return ret;
},
__wbg_new_227d7c05414eb861: function() {
const ret = new Error();
return ret;
},
__wbg_new_62f131e968c83d75: function() {
const ret = new Object();
return ret;
},
__wbg_new_66075f8c2ea6575e: function() {
const ret = new Array();
return ret;
},
__wbg_new_a0479da6258a0d71: function(arg0) {
const ret = new Uint8Array(arg0);
return ret;
},
__wbg_new_with_length_9b57e4a9683723fa: function(arg0) {
const ret = new Uint8Array(arg0 >>> 0);
return ret;
},
__wbg_next_5428439dfc1d0362: function() { return handleError(function (arg0) {
const ret = arg0.next();
return ret;
}, arguments); },
__wbg_next_d314789a105729f3: function(arg0) {
const ret = arg0.next;
return ret;
},
__wbg_node_84ea875411254db1: function(arg0) {
const ret = arg0.node;
return ret;
},
__wbg_process_44c7a14e11e9f69e: function(arg0) {
const ret = arg0.process;
return ret;
},
__wbg_prototypesetcall_d1a7133bc8d83aa9: function(arg0, arg1, arg2) {
Uint8Array.prototype.set.call(getArrayU8FromWasm0(arg0, arg1), arg2);
},
__wbg_randomFillSync_6c25eac9869eb53c: function() { return handleError(function (arg0, arg1) {
arg0.randomFillSync(arg1);
}, arguments); },
__wbg_require_b4edbdcf3e2a1ef0: function() { return handleError(function () {
const ret = module.require;
return ret;
}, arguments); },
__wbg_set_6be42768c690e380: function(arg0, arg1, arg2) {
arg0[arg1] = arg2;
},
__wbg_set_7bf9e2df46e7632c: function(arg0, arg1, arg2) {
arg0[arg1 >>> 0] = arg2;
},
__wbg_stack_3b0d974bbf31e44f: function(arg0, arg1) {
const ret = arg1.stack;
const ptr1 = passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
const len1 = WASM_VECTOR_LEN;
getDataViewMemory0().setInt32(arg0 + 4 * 1, len1, true);
getDataViewMemory0().setInt32(arg0 + 4 * 0, ptr1, true);
},
__wbg_static_accessor_GLOBAL_THIS_6614f2f4998e3c4c: function() {
const ret = typeof globalThis === 'undefined' ? null : globalThis;
return isLikeNone(ret) ? 0 : addToExternrefTable0(ret);
},
__wbg_static_accessor_GLOBAL_d8e8a2fefe80bc1d: function() {
const ret = typeof global === 'undefined' ? null : global;
return isLikeNone(ret) ? 0 : addToExternrefTable0(ret);
},
__wbg_static_accessor_SELF_e29eaf7c465526b1: function() {
const ret = typeof self === 'undefined' ? null : self;
return isLikeNone(ret) ? 0 : addToExternrefTable0(ret);
},
__wbg_static_accessor_WINDOW_66e7ca3eef30585a: function() {
const ret = typeof window === 'undefined' ? null : window;
return isLikeNone(ret) ? 0 : addToExternrefTable0(ret);
},
__wbg_subarray_f36da54ffa7114f5: function(arg0, arg1, arg2) {
const ret = arg0.subarray(arg1 >>> 0, arg2 >>> 0);
return ret;
},
__wbg_value_414b42ce7b3eca22: function(arg0) {
const ret = arg0.value;
return ret;
},
__wbg_versions_276b2795b1c6a219: function(arg0) {
const ret = arg0.versions;
return ret;
},
__wbindgen_cast_0000000000000001: function(arg0) {
// Cast intrinsic for `F64 -> Externref`.
const ret = arg0;
return ret;
},
__wbindgen_cast_0000000000000002: function(arg0, arg1) {
// Cast intrinsic for `Ref(Slice(U8)) -> NamedExternref("Uint8Array")`.
const ret = getArrayU8FromWasm0(arg0, arg1);
return ret;
},
__wbindgen_cast_0000000000000003: function(arg0, arg1) {
// Cast intrinsic for `Ref(String) -> Externref`.
const ret = getStringFromWasm0(arg0, arg1);
return ret;
},
__wbindgen_init_externref_table: function() {
const table = wasm.__wbindgen_externrefs;
const offset = table.grow(4);
table.set(0, undefined);
table.set(offset + 0, undefined);
table.set(offset + 1, null);
table.set(offset + 2, true);
table.set(offset + 3, false);
},
};
return {
__proto__: null,
"./ets_bg.js": import0,
};
}
const AutoETSFinalization = (typeof FinalizationRegistry === 'undefined')
? { register: () => {}, unregister: () => {} }
: new FinalizationRegistry(ptr => wasm.__wbg_autoets_free(ptr >>> 0, 1));
function addToExternrefTable0(obj) {
const idx = wasm.__externref_table_alloc();
wasm.__wbindgen_externrefs.set(idx, obj);
return idx;
}
function debugString(val) {
// primitive types
const type = typeof val;
if (type == 'number' || type == 'boolean' || val == null) {
return `${val}`;
}
if (type == 'string') {
return `"${val}"`;
}
if (type == 'symbol') {
const description = val.description;
if (description == null) {
return 'Symbol';
} else {
return `Symbol(${description})`;
}
}
if (type == 'function') {
const name = val.name;
if (typeof name == 'string' && name.length > 0) {
return `Function(${name})`;
} else {
return 'Function';
}
}
// objects
if (Array.isArray(val)) {
const length = val.length;
let debug = '[';
if (length > 0) {
debug += debugString(val[0]);
}
for(let i = 1; i < length; i++) {
debug += ', ' + debugString(val[i]);
}
debug += ']';
return debug;
}
// Test for built-in
const builtInMatches = /\[object ([^\]]+)\]/.exec(toString.call(val));
let className;
if (builtInMatches && builtInMatches.length > 1) {
className = builtInMatches[1];
} else {
// Failed to match the standard '[object ClassName]'
return toString.call(val);
}
if (className == 'Object') {
// we're a user defined class or Object
// JSON.stringify avoids problems with cycles, and is generally much
// easier than looping through ownProperties of `val`.
try {
return 'Object(' + JSON.stringify(val) + ')';
} catch (_) {
return 'Object';
}
}
// errors
if (val instanceof Error) {
return `${val.name}: ${val.message}\n${val.stack}`;
}
// TODO we could test for more things here, like `Set`s and `Map`s.
return className;
}
function getArrayU8FromWasm0(ptr, len) {
ptr = ptr >>> 0;
return getUint8ArrayMemory0().subarray(ptr / 1, ptr / 1 + len);
}
let cachedDataViewMemory0 = null;
function getDataViewMemory0() {
if (cachedDataViewMemory0 === null || cachedDataViewMemory0.buffer.detached === true || (cachedDataViewMemory0.buffer.detached === undefined && cachedDataViewMemory0.buffer !== wasm.memory.buffer)) {
cachedDataViewMemory0 = new DataView(wasm.memory.buffer);
}
return cachedDataViewMemory0;
}
function getStringFromWasm0(ptr, len) {
ptr = ptr >>> 0;
return decodeText(ptr, len);
}
let cachedUint8ArrayMemory0 = null;
function getUint8ArrayMemory0() {
if (cachedUint8ArrayMemory0 === null || cachedUint8ArrayMemory0.byteLength === 0) {
cachedUint8ArrayMemory0 = new Uint8Array(wasm.memory.buffer);
}
return cachedUint8ArrayMemory0;
}
function handleError(f, args) {
try {
return f.apply(this, args);
} catch (e) {
const idx = addToExternrefTable0(e);
wasm.__wbindgen_exn_store(idx);
}
}
function isLikeNone(x) {
return x === undefined || x === null;
}
function passStringToWasm0(arg, malloc, realloc) {
if (realloc === undefined) {
const buf = cachedTextEncoder.encode(arg);
const ptr = malloc(buf.length, 1) >>> 0;
getUint8ArrayMemory0().subarray(ptr, ptr + buf.length).set(buf);
WASM_VECTOR_LEN = buf.length;
return ptr;
}
let len = arg.length;
let ptr = malloc(len, 1) >>> 0;
const mem = getUint8ArrayMemory0();
let offset = 0;
for (; offset < len; offset++) {
const code = arg.charCodeAt(offset);
if (code > 0x7F) break;
mem[ptr + offset] = code;
}
if (offset !== len) {
if (offset !== 0) {
arg = arg.slice(offset);
}
ptr = realloc(ptr, len, len = offset + arg.length * 3, 1) >>> 0;
const view = getUint8ArrayMemory0().subarray(ptr + offset, ptr + len);
const ret = cachedTextEncoder.encodeInto(arg, view);
offset += ret.written;
ptr = realloc(ptr, len, offset, 1) >>> 0;
}
WASM_VECTOR_LEN = offset;
return ptr;
}
function takeFromExternrefTable0(idx) {
const value = wasm.__wbindgen_externrefs.get(idx);
wasm.__externref_table_dealloc(idx);
return value;
}
let cachedTextDecoder = new TextDecoder('utf-8', { ignoreBOM: true, fatal: true });
cachedTextDecoder.decode();
const MAX_SAFARI_DECODE_BYTES = 2146435072;
let numBytesDecoded = 0;
function decodeText(ptr, len) {
numBytesDecoded += len;
if (numBytesDecoded >= MAX_SAFARI_DECODE_BYTES) {
cachedTextDecoder = new TextDecoder('utf-8', { ignoreBOM: true, fatal: true });
cachedTextDecoder.decode();
numBytesDecoded = len;
}
return cachedTextDecoder.decode(getUint8ArrayMemory0().subarray(ptr, ptr + len));
}
const cachedTextEncoder = new TextEncoder();
if (!('encodeInto' in cachedTextEncoder)) {
cachedTextEncoder.encodeInto = function (arg, view) {
const buf = cachedTextEncoder.encode(arg);
view.set(buf);
return {
read: arg.length,
written: buf.length
};
};
}
let WASM_VECTOR_LEN = 0;
let wasmModule, wasm;
function __wbg_finalize_init(instance, module) {
wasm = instance.exports;
wasmModule = module;
cachedDataViewMemory0 = null;
cachedUint8ArrayMemory0 = null;
wasm.__wbindgen_start();
return wasm;
}
async function __wbg_load(module, imports) {
if (typeof Response === 'function' && module instanceof Response) {
if (typeof WebAssembly.instantiateStreaming === 'function') {
try {
return await WebAssembly.instantiateStreaming(module, imports);
} catch (e) {
console.warn("`WebAssembly.instantiateStreaming` failed. Falling back to `WebAssembly.instantiate` which is slower. Original error:\n", e);
}
}
const bytes = await module.arrayBuffer();
return await WebAssembly.instantiate(bytes, imports);
} else {
const instance = await WebAssembly.instantiate(module, imports);
if (instance instanceof WebAssembly.Instance) {
return { instance, module };
} else {
return instance;
}
}
}
function initSync(module) {
if (wasm !== undefined) return wasm;
if (module !== undefined) {
if (Object.getPrototypeOf(module) === Object.prototype) {
({module} = module)
} else {
console.warn('using deprecated parameters for `initSync()`; pass a single object instead')
}
}
const imports = __wbg_get_imports();
if (!(module instanceof WebAssembly.Module)) {
module = new WebAssembly.Module(module);
}
const instance = new WebAssembly.Instance(module, imports);
return __wbg_finalize_init(instance, module);
}
async function __wbg_init(module_or_path) {
if (wasm !== undefined) return wasm;
if (module_or_path !== undefined) {
if (Object.getPrototypeOf(module_or_path) === Object.prototype) {
({module_or_path} = module_or_path)
} else {
console.warn('using deprecated parameters for the initialization function; pass a single object instead')
}
}
if (module_or_path === undefined) {
module_or_path = new URL('ets_bg.wasm', import.meta.url);
}
const imports = __wbg_get_imports();
if (typeof module_or_path === 'string' || (typeof Request === 'function' && module_or_path instanceof Request) || (typeof URL === 'function' && module_or_path instanceof URL)) {
module_or_path = fetch(module_or_path);
}
const { instance, module } = await __wbg_load(await module_or_path, imports);
return __wbg_finalize_init(instance, module);
}
export { initSync, __wbg_init as default };