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denoland-deno/ext/node/polyfills/internal/util/inspect.mjs
Marvin Hagemeister ef53ce3ac4
fix(node/util): support array formats in styleText (#26507)
We missed adding support for an array of formats being passed to
`util.styleText`.

Fixes https://github.com/denoland/deno/issues/26496
2024-10-24 11:46:51 +02:00

595 lines
18 KiB
JavaScript

// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
// TODO(petamoriken): enable prefer-primordials for node polyfills
// deno-lint-ignore-file prefer-primordials
import {
validateObject,
validateOneOf,
validateString,
} from "ext:deno_node/internal/validators.mjs";
import { codes } from "ext:deno_node/internal/error_codes.ts";
import {
colors,
createStylizeWithColor,
formatBigInt,
formatNumber,
formatValue,
styles,
} from "ext:deno_console/01_console.js";
// Set Graphics Rendition https://en.wikipedia.org/wiki/ANSI_escape_code#graphics
// Each color consists of an array with the color code as first entry and the
// reset code as second entry.
const defaultFG = 39;
const defaultBG = 49;
inspect.colors = {
reset: [0, 0],
bold: [1, 22],
dim: [2, 22], // Alias: faint
italic: [3, 23],
underline: [4, 24],
blink: [5, 25],
// Swap foreground and background colors
inverse: [7, 27], // Alias: swapcolors, swapColors
hidden: [8, 28], // Alias: conceal
strikethrough: [9, 29], // Alias: strikeThrough, crossedout, crossedOut
doubleunderline: [21, 24], // Alias: doubleUnderline
black: [30, defaultFG],
red: [31, defaultFG],
green: [32, defaultFG],
yellow: [33, defaultFG],
blue: [34, defaultFG],
magenta: [35, defaultFG],
cyan: [36, defaultFG],
white: [37, defaultFG],
bgBlack: [40, defaultBG],
bgRed: [41, defaultBG],
bgGreen: [42, defaultBG],
bgYellow: [43, defaultBG],
bgBlue: [44, defaultBG],
bgMagenta: [45, defaultBG],
bgCyan: [46, defaultBG],
bgWhite: [47, defaultBG],
framed: [51, 54],
overlined: [53, 55],
gray: [90, defaultFG], // Alias: grey, blackBright
redBright: [91, defaultFG],
greenBright: [92, defaultFG],
yellowBright: [93, defaultFG],
blueBright: [94, defaultFG],
magentaBright: [95, defaultFG],
cyanBright: [96, defaultFG],
whiteBright: [97, defaultFG],
bgGray: [100, defaultBG], // Alias: bgGrey, bgBlackBright
bgRedBright: [101, defaultBG],
bgGreenBright: [102, defaultBG],
bgYellowBright: [103, defaultBG],
bgBlueBright: [104, defaultBG],
bgMagentaBright: [105, defaultBG],
bgCyanBright: [106, defaultBG],
bgWhiteBright: [107, defaultBG],
};
function defineColorAlias(target, alias) {
Object.defineProperty(inspect.colors, alias, {
get() {
return this[target];
},
set(value) {
this[target] = value;
},
configurable: true,
enumerable: false,
});
}
defineColorAlias("gray", "grey");
defineColorAlias("gray", "blackBright");
defineColorAlias("bgGray", "bgGrey");
defineColorAlias("bgGray", "bgBlackBright");
defineColorAlias("dim", "faint");
defineColorAlias("strikethrough", "crossedout");
defineColorAlias("strikethrough", "strikeThrough");
defineColorAlias("strikethrough", "crossedOut");
defineColorAlias("hidden", "conceal");
defineColorAlias("inverse", "swapColors");
defineColorAlias("inverse", "swapcolors");
defineColorAlias("doubleunderline", "doubleUnderline");
// TODO(BridgeAR): Add function style support for more complex styles.
// Don't use 'blue' not visible on cmd.exe
inspect.styles = Object.assign(Object.create(null), {
special: "cyan",
number: "yellow",
bigint: "yellow",
boolean: "yellow",
undefined: "grey",
null: "bold",
string: "green",
symbol: "green",
date: "magenta",
// "name": intentionally not styling
// TODO(BridgeAR): Highlight regular expressions properly.
regexp: "red",
module: "underline",
});
const inspectDefaultOptions = {
indentationLvl: 0,
currentDepth: 0,
stylize: stylizeNoColor,
showHidden: false,
depth: 2,
colors: false,
showProxy: false,
breakLength: 80,
escapeSequences: true,
compact: 3,
sorted: false,
getters: false,
// node only
maxArrayLength: 100,
maxStringLength: 10000, // deno: strAbbreviateSize: 100
customInspect: true,
// deno only
/** You can override the quotes preference in inspectString.
* Used by util.inspect() */
// TODO(kt3k): Consider using symbol as a key to hide this from the public
// API.
quotes: ["'", '"', "`"],
iterableLimit: Infinity, // similar to node's maxArrayLength, but doesn't only apply to arrays
trailingComma: false,
inspect,
// TODO(@crowlKats): merge into indentationLvl
indentLevel: 0,
};
/**
* Echos the value of any input. Tries to print the value out
* in the best way possible given the different types.
*/
/* Legacy: value, showHidden, depth, colors */
export function inspect(value, opts) {
// Default options
const ctx = {
budget: {},
seen: [],
...inspectDefaultOptions,
};
if (arguments.length > 1) {
// Legacy...
if (arguments.length > 2) {
if (arguments[2] !== undefined) {
ctx.depth = arguments[2];
}
if (arguments.length > 3 && arguments[3] !== undefined) {
ctx.colors = arguments[3];
}
}
// Set user-specified options
if (typeof opts === "boolean") {
ctx.showHidden = opts;
} else if (opts) {
const optKeys = Object.keys(opts);
for (let i = 0; i < optKeys.length; ++i) {
const key = optKeys[i];
// TODO(BridgeAR): Find a solution what to do about stylize. Either make
// this function public or add a new API with a similar or better
// functionality.
if (
// deno-lint-ignore no-prototype-builtins
inspectDefaultOptions.hasOwnProperty(key) ||
key === "stylize"
) {
ctx[key] = opts[key];
} else if (ctx.userOptions === undefined) {
// This is required to pass through the actual user input.
ctx.userOptions = opts;
}
}
}
}
if (ctx.colors) {
ctx.stylize = createStylizeWithColor(inspect.styles, inspect.colors);
}
if (ctx.maxArrayLength === null) ctx.maxArrayLength = Infinity;
if (ctx.maxStringLength === null) ctx.maxStringLength = Infinity;
return formatValue(ctx, value, 0);
}
const customInspectSymbol = Symbol.for("nodejs.util.inspect.custom");
inspect.custom = customInspectSymbol;
Object.defineProperty(inspect, "defaultOptions", {
get() {
return inspectDefaultOptions;
},
set(options) {
validateObject(options, "options");
return Object.assign(inspectDefaultOptions, options);
},
});
function stylizeNoColor(str) {
return str;
}
const builtInObjects = new Set(
Object.getOwnPropertyNames(globalThis).filter((e) =>
/^[A-Z][a-zA-Z0-9]+$/.test(e)
),
);
// Regex used for ansi escape code splitting
// Adopted from https://github.com/chalk/ansi-regex/blob/HEAD/index.js
// License: MIT, authors: @sindresorhus, Qix-, arjunmehta and LitoMore
// Matches all ansi escape code sequences in a string
const ansiPattern = "[\\u001B\\u009B][[\\]()#;?]*" +
"(?:(?:(?:(?:;[-a-zA-Z\\d\\/#&.:=?%@~_]+)*" +
"|[a-zA-Z\\d]+(?:;[-a-zA-Z\\d\\/#&.:=?%@~_]*)*)?\\u0007)" +
"|(?:(?:\\d{1,4}(?:;\\d{0,4})*)?[\\dA-PR-TZcf-ntqry=><~]))";
const ansi = new RegExp(ansiPattern, "g");
/**
* Returns the number of columns required to display the given string.
*/
export function getStringWidth(str, removeControlChars = true) {
let width = 0;
if (removeControlChars) {
str = stripVTControlCharacters(str);
}
str = str.normalize("NFC");
for (const char of str[Symbol.iterator]()) {
const code = char.codePointAt(0);
if (isFullWidthCodePoint(code)) {
width += 2;
} else if (!isZeroWidthCodePoint(code)) {
width++;
}
}
return width;
}
/**
* Returns true if the character represented by a given
* Unicode code point is full-width. Otherwise returns false.
*/
const isFullWidthCodePoint = (code) => {
// Code points are partially derived from:
// https://www.unicode.org/Public/UNIDATA/EastAsianWidth.txt
return code >= 0x1100 && (
code <= 0x115f || // Hangul Jamo
code === 0x2329 || // LEFT-POINTING ANGLE BRACKET
code === 0x232a || // RIGHT-POINTING ANGLE BRACKET
// CJK Radicals Supplement .. Enclosed CJK Letters and Months
(code >= 0x2e80 && code <= 0x3247 && code !== 0x303f) ||
// Enclosed CJK Letters and Months .. CJK Unified Ideographs Extension A
(code >= 0x3250 && code <= 0x4dbf) ||
// CJK Unified Ideographs .. Yi Radicals
(code >= 0x4e00 && code <= 0xa4c6) ||
// Hangul Jamo Extended-A
(code >= 0xa960 && code <= 0xa97c) ||
// Hangul Syllables
(code >= 0xac00 && code <= 0xd7a3) ||
// CJK Compatibility Ideographs
(code >= 0xf900 && code <= 0xfaff) ||
// Vertical Forms
(code >= 0xfe10 && code <= 0xfe19) ||
// CJK Compatibility Forms .. Small Form Variants
(code >= 0xfe30 && code <= 0xfe6b) ||
// Halfwidth and Fullwidth Forms
(code >= 0xff01 && code <= 0xff60) ||
(code >= 0xffe0 && code <= 0xffe6) ||
// Kana Supplement
(code >= 0x1b000 && code <= 0x1b001) ||
// Enclosed Ideographic Supplement
(code >= 0x1f200 && code <= 0x1f251) ||
// Miscellaneous Symbols and Pictographs 0x1f300 - 0x1f5ff
// Emoticons 0x1f600 - 0x1f64f
(code >= 0x1f300 && code <= 0x1f64f) ||
// CJK Unified Ideographs Extension B .. Tertiary Ideographic Plane
(code >= 0x20000 && code <= 0x3fffd)
);
};
const isZeroWidthCodePoint = (code) => {
return code <= 0x1F || // C0 control codes
(code >= 0x7F && code <= 0x9F) || // C1 control codes
(code >= 0x300 && code <= 0x36F) || // Combining Diacritical Marks
(code >= 0x200B && code <= 0x200F) || // Modifying Invisible Characters
// Combining Diacritical Marks for Symbols
(code >= 0x20D0 && code <= 0x20FF) ||
(code >= 0xFE00 && code <= 0xFE0F) || // Variation Selectors
(code >= 0xFE20 && code <= 0xFE2F) || // Combining Half Marks
(code >= 0xE0100 && code <= 0xE01EF); // Variation Selectors
};
function hasBuiltInToString(value) {
// TODO(wafuwafu13): Implement
// // Prevent triggering proxy traps.
// const getFullProxy = false;
// const proxyTarget = getProxyDetails(value, getFullProxy);
const proxyTarget = undefined;
if (proxyTarget !== undefined) {
value = proxyTarget;
}
// Count objects that have no `toString` function as built-in.
if (typeof value.toString !== "function") {
return true;
}
// The object has a own `toString` property. Thus it's not a built-in one.
if (Object.prototype.hasOwnProperty.call(value, "toString")) {
return false;
}
// Find the object that has the `toString` property as own property in the
// prototype chain.
let pointer = value;
do {
pointer = Object.getPrototypeOf(pointer);
} while (!Object.prototype.hasOwnProperty.call(pointer, "toString"));
// Check closer if the object is a built-in.
const descriptor = Object.getOwnPropertyDescriptor(pointer, "constructor");
return descriptor !== undefined &&
typeof descriptor.value === "function" &&
builtInObjects.has(descriptor.value.name);
}
const firstErrorLine = (error) => error.message.split("\n", 1)[0];
let CIRCULAR_ERROR_MESSAGE;
function tryStringify(arg) {
try {
return JSON.stringify(arg);
} catch (err) {
// Populate the circular error message lazily
if (!CIRCULAR_ERROR_MESSAGE) {
try {
const a = {};
a.a = a;
JSON.stringify(a);
} catch (circularError) {
CIRCULAR_ERROR_MESSAGE = firstErrorLine(circularError);
}
}
if (
err.name === "TypeError" &&
firstErrorLine(err) === CIRCULAR_ERROR_MESSAGE
) {
return "[Circular]";
}
throw err;
}
}
export function format(...args) {
return formatWithOptionsInternal(undefined, args);
}
export function formatWithOptions(inspectOptions, ...args) {
if (typeof inspectOptions !== "object" || inspectOptions === null) {
throw new codes.ERR_INVALID_ARG_TYPE(
"inspectOptions",
"object",
inspectOptions,
);
}
return formatWithOptionsInternal(inspectOptions, args);
}
function formatNumberNoColor(number, options) {
return formatNumber(
stylizeNoColor,
number,
options?.numericSeparator ?? inspectDefaultOptions.numericSeparator,
);
}
function formatBigIntNoColor(bigint, options) {
return formatBigInt(
stylizeNoColor,
bigint,
options?.numericSeparator ?? inspectDefaultOptions.numericSeparator,
);
}
function formatWithOptionsInternal(inspectOptions, args) {
const first = args[0];
let a = 0;
let str = "";
let join = "";
if (typeof first === "string") {
if (args.length === 1) {
return first;
}
let tempStr;
let lastPos = 0;
for (let i = 0; i < first.length - 1; i++) {
if (first.charCodeAt(i) === 37) { // '%'
const nextChar = first.charCodeAt(++i);
if (a + 1 !== args.length) {
switch (nextChar) {
// deno-lint-ignore no-case-declarations
case 115: // 's'
const tempArg = args[++a];
if (typeof tempArg === "number") {
tempStr = formatNumberNoColor(tempArg, inspectOptions);
} else if (typeof tempArg === "bigint") {
tempStr = formatBigIntNoColor(tempArg, inspectOptions);
} else if (
typeof tempArg !== "object" ||
tempArg === null ||
!hasBuiltInToString(tempArg)
) {
tempStr = String(tempArg);
} else {
tempStr = inspect(tempArg, {
...inspectOptions,
compact: 3,
colors: false,
depth: 0,
});
}
break;
case 106: // 'j'
tempStr = tryStringify(args[++a]);
break;
// deno-lint-ignore no-case-declarations
case 100: // 'd'
const tempNum = args[++a];
if (typeof tempNum === "bigint") {
tempStr = formatBigIntNoColor(tempNum, inspectOptions);
} else if (typeof tempNum === "symbol") {
tempStr = "NaN";
} else {
tempStr = formatNumberNoColor(Number(tempNum), inspectOptions);
}
break;
case 79: // 'O'
tempStr = inspect(args[++a], inspectOptions);
break;
case 111: // 'o'
tempStr = inspect(args[++a], {
...inspectOptions,
showHidden: true,
showProxy: true,
depth: 4,
});
break;
// deno-lint-ignore no-case-declarations
case 105: // 'i'
const tempInteger = args[++a];
if (typeof tempInteger === "bigint") {
tempStr = formatBigIntNoColor(tempInteger, inspectOptions);
} else if (typeof tempInteger === "symbol") {
tempStr = "NaN";
} else {
tempStr = formatNumberNoColor(
Number.parseInt(tempInteger),
inspectOptions,
);
}
break;
// deno-lint-ignore no-case-declarations
case 102: // 'f'
const tempFloat = args[++a];
if (typeof tempFloat === "symbol") {
tempStr = "NaN";
} else {
tempStr = formatNumberNoColor(
Number.parseFloat(tempFloat),
inspectOptions,
);
}
break;
case 99: // 'c'
a += 1;
tempStr = "";
break;
case 37: // '%'
str += first.slice(lastPos, i);
lastPos = i + 1;
continue;
default: // Any other character is not a correct placeholder
continue;
}
if (lastPos !== i - 1) {
str += first.slice(lastPos, i - 1);
}
str += tempStr;
lastPos = i + 1;
} else if (nextChar === 37) {
str += first.slice(lastPos, i);
lastPos = i + 1;
}
}
}
if (lastPos !== 0) {
a++;
join = " ";
if (lastPos < first.length) {
str += first.slice(lastPos);
}
}
}
while (a < args.length) {
const value = args[a];
str += join;
str += typeof value !== "string" ? inspect(value, inspectOptions) : value;
join = " ";
a++;
}
return str;
}
/**
* Remove all VT control characters. Use to estimate displayed string width.
*/
export function stripVTControlCharacters(str) {
validateString(str, "str");
return str.replace(ansi, "");
}
export function styleText(format, text) {
validateString(text, "text");
if (Array.isArray(format)) {
for (let i = 0; i < format.length; i++) {
const item = format[i];
const formatCodes = inspect.colors[item];
if (formatCodes == null) {
validateOneOf(item, "format", Object.keys(inspect.colors));
}
text = `\u001b[${formatCodes[0]}m${text}\u001b[${formatCodes[1]}m`;
}
return text;
}
const formatCodes = inspect.colors[format];
if (formatCodes == null) {
validateOneOf(format, "format", Object.keys(inspect.colors));
}
return `\u001b[${formatCodes[0]}m${text}\u001b[${formatCodes[1]}m`;
}
export default {
format,
getStringWidth,
inspect,
stripVTControlCharacters,
formatWithOptions,
styleText,
};