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https://github.com/denoland/deno.git
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681 lines
19 KiB
JavaScript
681 lines
19 KiB
JavaScript
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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// Copyright Joyent and Node contributors. All rights reserved. MIT license.
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// TODO(petamoriken): enable prefer-primordials for node polyfills
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// deno-lint-ignore-file prefer-primordials
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import { op_preview_entries } from "ext:core/ops";
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// Mock trace for now
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const trace = () => {};
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import {
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ERR_CONSOLE_WRITABLE_STREAM,
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ERR_INCOMPATIBLE_OPTION_PAIR,
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ERR_INVALID_ARG_VALUE,
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isStackOverflowError,
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} from "ext:deno_node/internal/errors.ts";
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import {
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validateArray,
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validateInteger,
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validateObject,
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} from "ext:deno_node/internal/validators.mjs";
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import { Buffer } from "node:buffer";
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const { isBuffer } = Buffer;
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import {
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formatWithOptions,
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inspect,
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} from "ext:deno_node/internal/util/inspect.mjs";
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import {
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isMap,
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isMapIterator,
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isSet,
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isSetIterator,
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isTypedArray,
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} from "ext:deno_node/internal/util/types.ts";
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import {
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CHAR_LOWERCASE_B as kTraceBegin,
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CHAR_LOWERCASE_E as kTraceEnd,
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CHAR_LOWERCASE_N as kTraceInstant,
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CHAR_UPPERCASE_C as kTraceCount,
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} from "ext:deno_node/internal/constants.ts";
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import {
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clearScreenDown,
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cursorTo,
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} from "ext:deno_node/internal/readline/callbacks.mjs";
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import cliTable from "ext:deno_node/internal/cli_table.ts";
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const kCounts = Symbol("counts");
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const kTraceConsoleCategory = "node,node.console";
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const kSecond = 1000;
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const kMinute = 60 * kSecond;
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const kHour = 60 * kMinute;
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const kMaxGroupIndentation = 1000;
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// Track amount of indentation required via `console.group()`.
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const kGroupIndent = Symbol("kGroupIndent");
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const kGroupIndentationWidth = Symbol("kGroupIndentWidth");
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const kFormatForStderr = Symbol("kFormatForStderr");
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const kFormatForStdout = Symbol("kFormatForStdout");
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const kGetInspectOptions = Symbol("kGetInspectOptions");
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const kColorMode = Symbol("kColorMode");
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const kIsConsole = Symbol("kIsConsole");
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const kWriteToConsole = Symbol("kWriteToConsole");
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const kBindProperties = Symbol("kBindProperties");
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const kBindStreamsEager = Symbol("kBindStreamsEager");
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const kBindStreamsLazy = Symbol("kBindStreamsLazy");
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const kUseStdout = Symbol("kUseStdout");
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const kUseStderr = Symbol("kUseStderr");
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const optionsMap = new WeakMap();
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function Console(options /* or: stdout, stderr, ignoreErrors = true */) {
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// We have to test new.target here to see if this function is called
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// with new, because we need to define a custom instanceof to accommodate
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// the global console.
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if (!new.target) {
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return Reflect.construct(Console, arguments);
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}
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if (!options || typeof options.write === "function") {
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options = {
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stdout: options,
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stderr: arguments[1],
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ignoreErrors: arguments[2],
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};
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}
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const {
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stdout,
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stderr = stdout,
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ignoreErrors = true,
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colorMode = "auto",
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inspectOptions,
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groupIndentation,
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} = options;
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if (!stdout || typeof stdout.write !== "function") {
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throw new ERR_CONSOLE_WRITABLE_STREAM("stdout");
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}
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if (!stderr || typeof stderr.write !== "function") {
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throw new ERR_CONSOLE_WRITABLE_STREAM("stderr");
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}
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if (typeof colorMode !== "boolean" && colorMode !== "auto") {
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throw new ERR_INVALID_ARG_VALUE("colorMode", colorMode);
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}
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if (groupIndentation !== undefined) {
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validateInteger(
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groupIndentation,
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"groupIndentation",
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0,
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kMaxGroupIndentation,
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);
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}
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if (inspectOptions !== undefined) {
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validateObject(inspectOptions, "options.inspectOptions");
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if (
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inspectOptions.colors !== undefined &&
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options.colorMode !== undefined
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) {
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throw new ERR_INCOMPATIBLE_OPTION_PAIR(
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"options.inspectOptions.color",
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"colorMode",
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);
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}
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optionsMap.set(this, inspectOptions);
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}
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// Bind the prototype functions to this Console instance
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Object.keys(Console.prototype).forEach((key) => {
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// We have to bind the methods grabbed from the instance instead of from
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// the prototype so that users extending the Console can override them
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// from the prototype chain of the subclass.
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this[key] = this[key].bind(this);
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Object.defineProperty(this[key], "name", {
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value: key,
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});
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});
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this[kBindStreamsEager](stdout, stderr);
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this[kBindProperties](ignoreErrors, colorMode, groupIndentation);
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}
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const consolePropAttributes = {
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writable: true,
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enumerable: false,
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configurable: true,
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};
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// Fixup global.console instanceof global.console.Console
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Object.defineProperty(Console, Symbol.hasInstance, {
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value(instance) {
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return instance === console || instance[kIsConsole];
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},
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});
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const kColorInspectOptions = { colors: true };
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const kNoColorInspectOptions = {};
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Object.defineProperties(Console.prototype, {
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[kBindStreamsEager]: {
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...consolePropAttributes,
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// Eager version for the Console constructor
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value: function (stdout, stderr) {
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Object.defineProperties(this, {
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"_stdout": { ...consolePropAttributes, value: stdout },
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"_stderr": { ...consolePropAttributes, value: stderr },
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});
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},
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},
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[kBindStreamsLazy]: {
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...consolePropAttributes,
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// Lazily load the stdout and stderr from an object so we don't
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// create the stdio streams when they are not even accessed
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value: function (object) {
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let stdout;
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let stderr;
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Object.defineProperties(this, {
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"_stdout": {
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enumerable: false,
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configurable: true,
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get() {
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if (!stdout) stdout = object.stdout;
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return stdout;
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},
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set(value) {
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stdout = value;
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},
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},
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"_stderr": {
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enumerable: false,
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configurable: true,
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get() {
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if (!stderr) stderr = object.stderr;
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return stderr;
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},
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set(value) {
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stderr = value;
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},
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},
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});
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},
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},
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[kBindProperties]: {
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...consolePropAttributes,
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value: function (ignoreErrors, colorMode, groupIndentation = 2) {
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Object.defineProperties(this, {
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"_stdoutErrorHandler": {
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...consolePropAttributes,
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value: createWriteErrorHandler(this, kUseStdout),
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},
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"_stderrErrorHandler": {
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...consolePropAttributes,
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value: createWriteErrorHandler(this, kUseStderr),
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},
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"_ignoreErrors": {
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...consolePropAttributes,
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value: Boolean(ignoreErrors),
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},
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"_times": { ...consolePropAttributes, value: new Map() },
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// Corresponds to https://console.spec.whatwg.org/#count-map
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[kCounts]: { ...consolePropAttributes, value: new Map() },
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[kColorMode]: { ...consolePropAttributes, value: colorMode },
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[kIsConsole]: { ...consolePropAttributes, value: true },
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[kGroupIndent]: { ...consolePropAttributes, value: "" },
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[kGroupIndentationWidth]: {
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...consolePropAttributes,
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value: groupIndentation,
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},
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[Symbol.toStringTag]: {
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writable: false,
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enumerable: false,
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configurable: true,
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value: "console",
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},
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});
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},
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},
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[kWriteToConsole]: {
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...consolePropAttributes,
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value: function (streamSymbol, string) {
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const ignoreErrors = this._ignoreErrors;
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const groupIndent = this[kGroupIndent];
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const useStdout = streamSymbol === kUseStdout;
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const stream = useStdout ? this._stdout : this._stderr;
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const errorHandler = useStdout
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? this._stdoutErrorHandler
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: this._stderrErrorHandler;
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if (groupIndent.length !== 0) {
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if (string.includes("\n")) {
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string = string.replace(/\n/g, `\n${groupIndent}`);
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}
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string = groupIndent + string;
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}
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string += "\n";
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if (ignoreErrors === false) return stream.write(string);
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// There may be an error occurring synchronously (e.g. for files or TTYs
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// on POSIX systems) or asynchronously (e.g. pipes on POSIX systems), so
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// handle both situations.
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try {
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// Add and later remove a noop error handler to catch synchronous
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// errors.
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if (stream.listenerCount("error") === 0) {
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stream.once("error", noop);
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}
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stream.write(string, errorHandler);
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} catch (e) {
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// Console is a debugging utility, so it swallowing errors is not
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// desirable even in edge cases such as low stack space.
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if (isStackOverflowError(e)) {
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throw e;
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}
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// Sorry, there's no proper way to pass along the error here.
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} finally {
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stream.removeListener("error", noop);
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}
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},
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},
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[kGetInspectOptions]: {
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...consolePropAttributes,
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value: function (stream) {
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let color = this[kColorMode];
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if (color === "auto") {
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color = stream.isTTY && (
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typeof stream.getColorDepth === "function"
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? stream.getColorDepth() > 2
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: true
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);
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}
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const options = optionsMap.get(this);
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if (options) {
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if (options.colors === undefined) {
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options.colors = color;
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}
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return options;
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}
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return color ? kColorInspectOptions : kNoColorInspectOptions;
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},
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},
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[kFormatForStdout]: {
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...consolePropAttributes,
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value: function (args) {
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const opts = this[kGetInspectOptions](this._stdout);
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args.unshift(opts);
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return Reflect.apply(formatWithOptions, null, args);
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},
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},
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[kFormatForStderr]: {
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...consolePropAttributes,
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value: function (args) {
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const opts = this[kGetInspectOptions](this._stderr);
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args.unshift(opts);
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return Reflect.apply(formatWithOptions, null, args);
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},
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},
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});
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// Make a function that can serve as the callback passed to `stream.write()`.
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function createWriteErrorHandler(instance, streamSymbol) {
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return (err) => {
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// This conditional evaluates to true if and only if there was an error
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// that was not already emitted (which happens when the _write callback
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// is invoked asynchronously).
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const stream = streamSymbol === kUseStdout
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? instance._stdout
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: instance._stderr;
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if (err !== null && !stream._writableState.errorEmitted) {
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// If there was an error, it will be emitted on `stream` as
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// an `error` event. Adding a `once` listener will keep that error
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// from becoming an uncaught exception, but since the handler is
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// removed after the event, non-console.* writes won't be affected.
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// we are only adding noop if there is no one else listening for 'error'
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if (stream.listenerCount("error") === 0) {
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stream.once("error", noop);
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}
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}
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};
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}
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const consoleMethods = {
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log(...args) {
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this[kWriteToConsole](kUseStdout, this[kFormatForStdout](args));
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},
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warn(...args) {
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this[kWriteToConsole](kUseStderr, this[kFormatForStderr](args));
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},
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dir(object, options) {
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this[kWriteToConsole](
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kUseStdout,
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inspect(object, {
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customInspect: false,
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...this[kGetInspectOptions](this._stdout),
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...options,
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}),
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);
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},
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time(label = "default") {
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// Coerces everything other than Symbol to a string
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label = `${label}`;
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if (this._times.has(label)) {
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emitWarning(`Label '${label}' already exists for console.time()`);
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return;
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}
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trace(kTraceBegin, kTraceConsoleCategory, `time::${label}`, 0);
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this._times.set(label, process.hrtime());
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},
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timeEnd(label = "default") {
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// Coerces everything other than Symbol to a string
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label = `${label}`;
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const found = timeLogImpl(this, "timeEnd", label);
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trace(kTraceEnd, kTraceConsoleCategory, `time::${label}`, 0);
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if (found) {
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this._times.delete(label);
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}
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},
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timeLog(label = "default", ...data) {
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// Coerces everything other than Symbol to a string
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label = `${label}`;
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timeLogImpl(this, "timeLog", label, data);
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trace(kTraceInstant, kTraceConsoleCategory, `time::${label}`, 0);
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},
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trace: function trace(...args) {
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const err = {
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name: "Trace",
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message: this[kFormatForStderr](args),
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};
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Error.captureStackTrace(err, trace);
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this.error(err.stack);
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},
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assert(expression, ...args) {
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if (!expression) {
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args[0] = `Assertion failed${args.length === 0 ? "" : `: ${args[0]}`}`;
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// The arguments will be formatted in warn() again
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Reflect.apply(this.warn, this, args);
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}
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},
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// Defined by: https://console.spec.whatwg.org/#clear
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clear() {
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// It only makes sense to clear if _stdout is a TTY.
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// Otherwise, do nothing.
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if (this._stdout.isTTY && process.env.TERM !== "dumb") {
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cursorTo(this._stdout, 0, 0);
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clearScreenDown(this._stdout);
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}
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},
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// Defined by: https://console.spec.whatwg.org/#count
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count(label = "default") {
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// Ensures that label is a string, and only things that can be
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// coerced to strings. e.g. Symbol is not allowed
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label = `${label}`;
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const counts = this[kCounts];
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let count = counts.get(label);
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if (count === undefined) {
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count = 1;
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} else {
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count++;
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}
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counts.set(label, count);
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trace(kTraceCount, kTraceConsoleCategory, `count::${label}`, 0, count);
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this.log(`${label}: ${count}`);
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},
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// Defined by: https://console.spec.whatwg.org/#countreset
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countReset(label = "default") {
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const counts = this[kCounts];
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if (!counts.has(label)) {
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emitWarning(`Count for '${label}' does not exist`);
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return;
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}
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trace(kTraceCount, kTraceConsoleCategory, `count::${label}`, 0, 0);
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counts.delete(`${label}`);
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},
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group(...data) {
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if (data.length > 0) {
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Reflect.apply(this.log, this, data);
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}
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this[kGroupIndent] += " ".repeat(this[kGroupIndentationWidth]);
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},
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groupEnd() {
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this[kGroupIndent] = this[kGroupIndent].slice(
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0,
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this[kGroupIndent].length - this[kGroupIndentationWidth],
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);
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},
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// https://console.spec.whatwg.org/#table
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table(tabularData, properties) {
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if (properties !== undefined) {
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validateArray(properties, "properties");
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}
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if (tabularData === null || typeof tabularData !== "object") {
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return this.log(tabularData);
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}
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const final = (k, v) => this.log(cliTable(k, v));
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const _inspect = (v) => {
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const depth = v !== null &&
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typeof v === "object" &&
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!isArray(v) &&
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Object.keys(v).length > 2
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? -1
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: 0;
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const opt = {
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depth,
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maxArrayLength: 3,
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breakLength: Infinity,
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...this[kGetInspectOptions](this._stdout),
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};
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return inspect(v, opt);
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};
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const getIndexArray = (length) =>
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Array.from(
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{ length },
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(_, i) => _inspect(i),
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);
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const mapIter = isMapIterator(tabularData);
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let isKeyValue = false;
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let i = 0;
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if (mapIter) {
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const res = op_preview_entries(tabularData, true);
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tabularData = res[0];
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isKeyValue = res[1];
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}
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if (isKeyValue || isMap(tabularData)) {
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const keys = [];
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const values = [];
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let length = 0;
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if (mapIter) {
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for (; i < tabularData.length / 2; ++i) {
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keys.push(_inspect(tabularData[i * 2]));
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values.push(_inspect(tabularData[i * 2 + 1]));
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length++;
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}
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} else {
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for (const { 0: k, 1: v } of tabularData) {
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keys.push(_inspect(k));
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values.push(_inspect(v));
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length++;
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}
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}
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return final([
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iterKey,
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keyKey,
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valuesKey,
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], [
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getIndexArray(length),
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keys,
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values,
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]);
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}
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const setIter = isSetIterator(tabularData);
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if (setIter) {
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tabularData = op_preview_entries(tabularData, false);
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}
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const setlike = setIter || mapIter || isSet(tabularData);
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if (setlike) {
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const values = [];
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let length = 0;
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console.log("tabularData", tabularData);
|
|
for (const v of tabularData) {
|
|
values.push(_inspect(v));
|
|
length++;
|
|
}
|
|
return final([iterKey, valuesKey], [getIndexArray(length), values]);
|
|
}
|
|
|
|
const map = Object.create(null);
|
|
let hasPrimitives = false;
|
|
const valuesKeyArray = [];
|
|
const indexKeyArray = Object.keys(tabularData);
|
|
|
|
for (; i < indexKeyArray.length; i++) {
|
|
const item = tabularData[indexKeyArray[i]];
|
|
const primitive = item === null ||
|
|
(typeof item !== "function" && typeof item !== "object");
|
|
if (properties === undefined && primitive) {
|
|
hasPrimitives = true;
|
|
valuesKeyArray[i] = _inspect(item);
|
|
} else {
|
|
const keys = properties || Object.keys(item);
|
|
for (const key of keys) {
|
|
if (map[key] === undefined) {
|
|
map[key] = [];
|
|
}
|
|
if (
|
|
(primitive && properties) ||
|
|
!Object.hasOwn(item, key)
|
|
) {
|
|
map[key][i] = "";
|
|
} else {
|
|
map[key][i] = _inspect(item[key]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
const keys = Object.keys(map);
|
|
const values = Object.values(map);
|
|
if (hasPrimitives) {
|
|
keys.push(valuesKey);
|
|
values.push(valuesKeyArray);
|
|
}
|
|
keys.unshift(indexKey);
|
|
values.unshift(indexKeyArray);
|
|
|
|
return final(keys, values);
|
|
},
|
|
};
|
|
|
|
// Returns true if label was found
|
|
function timeLogImpl(self, name, label, data) {
|
|
const time = self._times.get(label);
|
|
if (time === undefined) {
|
|
emitWarning(`No such label '${label}' for console.${name}()`);
|
|
return false;
|
|
}
|
|
const duration = process.hrtime(time);
|
|
const ms = duration[0] * 1000 + duration[1] / 1e6;
|
|
|
|
const formatted = formatTime(ms);
|
|
|
|
if (data === undefined) {
|
|
self.log("%s: %s", label, formatted);
|
|
} else {
|
|
self.log("%s: %s", label, formatted, ...data);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
function pad(value) {
|
|
return `${value}`.padStart(2, "0");
|
|
}
|
|
|
|
function formatTime(ms) {
|
|
let hours = 0;
|
|
let minutes = 0;
|
|
let seconds = 0;
|
|
|
|
if (ms >= kSecond) {
|
|
if (ms >= kMinute) {
|
|
if (ms >= kHour) {
|
|
hours = Math.floor(ms / kHour);
|
|
ms = ms % kHour;
|
|
}
|
|
minutes = Math.floor(ms / kMinute);
|
|
ms = ms % kMinute;
|
|
}
|
|
seconds = ms / kSecond;
|
|
}
|
|
|
|
if (hours !== 0 || minutes !== 0) {
|
|
({ 0: seconds, 1: ms } = seconds.toFixed(3).split("."));
|
|
const res = hours !== 0 ? `${hours}:${pad(minutes)}` : minutes;
|
|
return `${res}:${pad(seconds)}.${ms} (${hours !== 0 ? "h:m" : ""}m:ss.mmm)`;
|
|
}
|
|
|
|
if (seconds !== 0) {
|
|
return `${seconds.toFixed(3)}s`;
|
|
}
|
|
|
|
return `${Number(ms.toFixed(3))}ms`;
|
|
}
|
|
|
|
const keyKey = "Key";
|
|
const valuesKey = "Values";
|
|
const indexKey = "(index)";
|
|
const iterKey = "(iteration index)";
|
|
|
|
const isArray = (v) => Array.isArray(v) || isTypedArray(v) || isBuffer(v);
|
|
|
|
function noop() {}
|
|
|
|
for (const method of Reflect.ownKeys(consoleMethods)) {
|
|
Console.prototype[method] = consoleMethods[method];
|
|
}
|
|
|
|
Console.prototype.debug = Console.prototype.log;
|
|
Console.prototype.info = Console.prototype.log;
|
|
Console.prototype.dirxml = Console.prototype.log;
|
|
Console.prototype.error = Console.prototype.warn;
|
|
Console.prototype.groupCollapsed = Console.prototype.group;
|
|
|
|
export function bindStreamsLazy(console, object) {
|
|
Console.prototype[kBindStreamsLazy].call(console, object);
|
|
}
|
|
|
|
export { Console, formatTime, kBindProperties, kBindStreamsLazy };
|
|
export default {
|
|
Console,
|
|
kBindStreamsLazy,
|
|
kBindProperties,
|
|
formatTime,
|
|
bindStreamsLazy,
|
|
};
|