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https://github.com/denoland/deno.git
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117 lines
3.2 KiB
TypeScript
117 lines
3.2 KiB
TypeScript
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
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export { promisify } from "./_util/_util_promisify.ts";
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export { callbackify } from "./_util/_util_callbackify.ts";
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import { codes, errorMap } from "./_errors.ts";
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import * as types from "./_util/_util_types.ts";
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export { types };
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const NumberIsSafeInteger = Number.isSafeInteger;
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const {
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ERR_OUT_OF_RANGE,
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ERR_INVALID_ARG_TYPE,
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} = codes;
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const DEFAULT_INSPECT_OPTIONS = {
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showHidden: false,
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depth: 2,
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colors: false,
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customInspect: true,
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showProxy: false,
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maxArrayLength: 100,
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maxStringLength: Infinity,
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breakLength: 80,
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compact: 3,
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sorted: false,
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getters: false,
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};
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inspect.defaultOptions = DEFAULT_INSPECT_OPTIONS;
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inspect.custom = Deno.customInspect;
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// TODO(schwarzkopfb): make it in-line with Node's implementation
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// Ref: https://nodejs.org/dist/latest-v14.x/docs/api/util.html#util_util_inspect_object_options
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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export function inspect(object: unknown, ...opts: any): string {
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opts = { ...DEFAULT_INSPECT_OPTIONS, ...opts };
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return Deno.inspect(object, {
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depth: opts.depth,
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iterableLimit: opts.maxArrayLength,
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compact: !!opts.compact,
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sorted: !!opts.sorted,
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showProxy: !!opts.showProxy,
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});
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}
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export function isArray(value: unknown): boolean {
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return Array.isArray(value);
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}
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export function isBoolean(value: unknown): boolean {
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return typeof value === "boolean" || value instanceof Boolean;
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}
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export function isNull(value: unknown): boolean {
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return value === null;
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}
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export function isNullOrUndefined(value: unknown): boolean {
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return value === null || value === undefined;
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}
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export function isNumber(value: unknown): boolean {
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return typeof value === "number" || value instanceof Number;
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}
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export function isString(value: unknown): boolean {
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return typeof value === "string" || value instanceof String;
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}
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export function isSymbol(value: unknown): boolean {
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return typeof value === "symbol";
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}
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export function isUndefined(value: unknown): boolean {
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return value === undefined;
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}
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export function isObject(value: unknown): boolean {
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return value !== null && typeof value === "object";
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}
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export function isError(e: unknown): boolean {
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return e instanceof Error;
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}
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export function isFunction(value: unknown): boolean {
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return typeof value === "function";
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}
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export function isRegExp(value: unknown): boolean {
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return value instanceof RegExp;
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}
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export function isPrimitive(value: unknown): boolean {
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return (
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value === null || (typeof value !== "object" && typeof value !== "function")
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);
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}
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export function getSystemErrorName(code: number): string | undefined {
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if (typeof code !== "number") {
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throw new ERR_INVALID_ARG_TYPE("err", "number", code);
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}
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if (code >= 0 || !NumberIsSafeInteger(code)) {
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throw new ERR_OUT_OF_RANGE("err", "a negative integer", code);
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}
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return errorMap.get(code)?.[0];
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}
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import { _TextDecoder, _TextEncoder } from "./_utils.ts";
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/** The global TextDecoder */
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export type TextDecoder = import("./_utils.ts")._TextDecoder;
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export const TextDecoder = _TextDecoder;
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/** The global TextEncoder */
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export type TextEncoder = import("./_utils.ts")._TextEncoder;
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export const TextEncoder = _TextEncoder;
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