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