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denoland-deno/ext/console/01_console.js
Luca Casonato 971f09abe4
fix(runtime): use more null proto objects (#23921)
This is a primordialization effort to improve resistance against users
tampering with the global `Object` prototype.

---------

Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com>
2024-05-23 00:03:35 +02:00

3495 lines
101 KiB
JavaScript

// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
/// <reference path="../../core/internal.d.ts" />
import { core, internals, primordials } from "ext:core/mod.js";
const {
isAnyArrayBuffer,
isArgumentsObject,
isArrayBuffer,
isAsyncFunction,
isBigIntObject,
isBooleanObject,
isBoxedPrimitive,
isDataView,
isDate,
isGeneratorFunction,
isMap,
isMapIterator,
isModuleNamespaceObject,
isNativeError,
isNumberObject,
isPromise,
isRegExp,
isSet,
isSetIterator,
isStringObject,
isTypedArray,
isWeakMap,
isWeakSet,
} = core;
import {
op_get_constructor_name,
op_get_non_index_property_names,
op_preview_entries,
} from "ext:core/ops";
const {
Array,
ArrayBufferPrototypeGetByteLength,
ArrayIsArray,
ArrayPrototypeFill,
ArrayPrototypeFilter,
ArrayPrototypeFind,
ArrayPrototypeForEach,
ArrayPrototypeIncludes,
ArrayPrototypeJoin,
ArrayPrototypeMap,
ArrayPrototypePop,
ArrayPrototypePush,
ArrayPrototypePushApply,
ArrayPrototypeReduce,
ArrayPrototypeShift,
ArrayPrototypeSlice,
ArrayPrototypeSort,
ArrayPrototypeSplice,
ArrayPrototypeUnshift,
BigIntPrototypeValueOf,
Boolean,
BooleanPrototypeValueOf,
DateNow,
DatePrototypeGetTime,
DatePrototypeToISOString,
Error,
ErrorCaptureStackTrace,
ErrorPrototype,
ErrorPrototypeToString,
FunctionPrototypeBind,
FunctionPrototypeCall,
FunctionPrototypeToString,
MapPrototypeDelete,
MapPrototypeEntries,
MapPrototypeForEach,
MapPrototypeGet,
MapPrototypeGetSize,
MapPrototypeHas,
MapPrototypeSet,
MathAbs,
MathFloor,
MathMax,
MathMin,
MathRound,
MathSqrt,
Number,
NumberIsInteger,
NumberIsNaN,
NumberParseInt,
NumberPrototypeToString,
NumberPrototypeValueOf,
ObjectAssign,
ObjectCreate,
ObjectDefineProperty,
ObjectFreeze,
ObjectFromEntries,
ObjectGetOwnPropertyDescriptor,
ObjectGetOwnPropertyNames,
ObjectGetOwnPropertySymbols,
ObjectGetPrototypeOf,
ObjectHasOwn,
ObjectIs,
ObjectKeys,
ObjectPrototype,
ObjectPrototypeIsPrototypeOf,
ObjectPrototypePropertyIsEnumerable,
ObjectSetPrototypeOf,
ObjectValues,
Proxy,
ReflectGet,
ReflectGetOwnPropertyDescriptor,
ReflectGetPrototypeOf,
ReflectHas,
ReflectOwnKeys,
RegExpPrototypeExec,
RegExpPrototypeSymbolReplace,
RegExpPrototypeTest,
RegExpPrototypeToString,
SafeArrayIterator,
SafeMap,
SafeMapIterator,
SafeRegExp,
SafeSet,
SafeSetIterator,
SafeStringIterator,
SetPrototypeAdd,
SetPrototypeGetSize,
SetPrototypeHas,
SetPrototypeValues,
String,
StringPrototypeCharCodeAt,
StringPrototypeCodePointAt,
StringPrototypeEndsWith,
StringPrototypeIncludes,
StringPrototypeIndexOf,
StringPrototypeLastIndexOf,
StringPrototypeMatch,
StringPrototypeNormalize,
StringPrototypePadEnd,
StringPrototypePadStart,
StringPrototypeRepeat,
StringPrototypeReplace,
StringPrototypeReplaceAll,
StringPrototypeSlice,
StringPrototypeSplit,
StringPrototypeStartsWith,
StringPrototypeToLowerCase,
StringPrototypeTrim,
StringPrototypeValueOf,
Symbol,
SymbolFor,
SymbolHasInstance,
SymbolIterator,
SymbolPrototypeGetDescription,
SymbolPrototypeToString,
SymbolPrototypeValueOf,
SymbolToStringTag,
TypedArrayPrototypeGetByteLength,
TypedArrayPrototypeGetLength,
Uint8Array,
} = primordials;
let noColorStdout = () => false;
let noColorStderr = () => false;
function setNoColorFns(stdoutFn, stderrFn) {
noColorStdout = stdoutFn;
noColorStderr = stderrFn;
}
function getStdoutNoColor() {
return noColorStdout();
}
function getStderrNoColor() {
return noColorStderr();
}
function assert(cond, msg = "Assertion failed.") {
if (!cond) {
throw new AssertionError(msg);
}
}
// Don't use 'blue' not visible on cmd.exe
const styles = {
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",
internalError: "red",
temporal: "magenta",
};
const defaultFG = 39;
const defaultBG = 49;
// 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 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) {
ObjectDefineProperty(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");
// https://tc39.es/ecma262/#sec-get-sharedarraybuffer.prototype.bytelength
let _getSharedArrayBufferByteLength;
function getSharedArrayBufferByteLength(value) {
// TODO(kt3k): add SharedArrayBuffer to primordials
_getSharedArrayBufferByteLength ??= ObjectGetOwnPropertyDescriptor(
// deno-lint-ignore prefer-primordials
SharedArrayBuffer.prototype,
"byteLength",
).get;
return FunctionPrototypeCall(_getSharedArrayBufferByteLength, value);
}
// The name property is used to allow cross realms to make a determination
// This is the same as WHATWG's structuredClone algorithm
// https://github.com/whatwg/html/pull/5150
function isAggregateError(value) {
return (
isNativeError(value) &&
value.name === "AggregateError" &&
ArrayIsArray(value.errors)
);
}
const kObjectType = 0;
const kArrayType = 1;
const kArrayExtrasType = 2;
const kMinLineLength = 16;
// Constants to map the iterator state.
const kWeak = 0;
const kIterator = 1;
const kMapEntries = 2;
// Escaped control characters (plus the single quote and the backslash). Use
// empty strings to fill up unused entries.
// deno-fmt-ignore
const meta = [
'\\x00', '\\x01', '\\x02', '\\x03', '\\x04', '\\x05', '\\x06', '\\x07', // x07
'\\b', '\\t', '\\n', '\\x0B', '\\f', '\\r', '\\x0E', '\\x0F', // x0F
'\\x10', '\\x11', '\\x12', '\\x13', '\\x14', '\\x15', '\\x16', '\\x17', // x17
'\\x18', '\\x19', '\\x1A', '\\x1B', '\\x1C', '\\x1D', '\\x1E', '\\x1F', // x1F
'', '', '', '', '', '', '', "\\'", '', '', '', '', '', '', '', '', // x2F
'', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', // x3F
'', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', // x4F
'', '', '', '', '', '', '', '', '', '', '', '', '\\\\', '', '', '', // x5F
'', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', // x6F
'', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '\\x7F', // x7F
'\\x80', '\\x81', '\\x82', '\\x83', '\\x84', '\\x85', '\\x86', '\\x87', // x87
'\\x88', '\\x89', '\\x8A', '\\x8B', '\\x8C', '\\x8D', '\\x8E', '\\x8F', // x8F
'\\x90', '\\x91', '\\x92', '\\x93', '\\x94', '\\x95', '\\x96', '\\x97', // x97
'\\x98', '\\x99', '\\x9A', '\\x9B', '\\x9C', '\\x9D', '\\x9E', '\\x9F', // x9F
];
// https://tc39.es/ecma262/#sec-IsHTMLDDA-internal-slot
const isUndetectableObject = (v) => typeof v === "undefined" && v !== undefined;
const strEscapeSequencesReplacer = new SafeRegExp(
"[\x00-\x1f\x27\x5c\x7f-\x9f]",
"g",
);
const keyStrRegExp = new SafeRegExp("^[a-zA-Z_][a-zA-Z_0-9]*$");
const numberRegExp = new SafeRegExp("^(0|[1-9][0-9]*)$");
// TODO(wafuwafu13): Figure out
const escapeFn = (str) => meta[StringPrototypeCharCodeAt(str, 0)];
function stylizeNoColor(str) {
return str;
}
// node custom inspect symbol
const nodeCustomInspectSymbol = SymbolFor("nodejs.util.inspect.custom");
// This non-unique symbol is used to support op_crates, ie.
// in extensions/web we don't want to depend on public
// Symbol.for("Deno.customInspect") symbol defined in the public API.
// Internal only, shouldn't be used by users.
const privateCustomInspect = SymbolFor("Deno.privateCustomInspect");
function getUserOptions(ctx, isCrossContext) {
const ret = {
stylize: ctx.stylize,
showHidden: ctx.showHidden,
depth: ctx.depth,
colors: ctx.colors,
customInspect: ctx.customInspect,
showProxy: ctx.showProxy,
maxArrayLength: ctx.maxArrayLength,
maxStringLength: ctx.maxStringLength,
breakLength: ctx.breakLength,
compact: ctx.compact,
sorted: ctx.sorted,
getters: ctx.getters,
numericSeparator: ctx.numericSeparator,
...ctx.userOptions,
};
// Typically, the target value will be an instance of `Object`. If that is
// *not* the case, the object may come from another vm.Context, and we want
// to avoid passing it objects from this Context in that case, so we remove
// the prototype from the returned object itself + the `stylize()` function,
// and remove all other non-primitives, including non-primitive user options.
if (isCrossContext) {
ObjectSetPrototypeOf(ret, null);
for (const key of new SafeArrayIterator(ObjectKeys(ret))) {
if (
(typeof ret[key] === "object" || typeof ret[key] === "function") &&
ret[key] !== null
) {
delete ret[key];
}
}
ret.stylize = ObjectSetPrototypeOf((value, flavour) => {
let stylized;
try {
stylized = `${ctx.stylize(value, flavour)}`;
} catch {
// Continue regardless of error.
}
if (typeof stylized !== "string") return value;
// `stylized` is a string as it should be, which is safe to pass along.
return stylized;
}, null);
}
return ret;
}
// Note: using `formatValue` directly requires the indentation level to be
// corrected by setting `ctx.indentationLvL += diff` and then to decrease the
// value afterwards again.
function formatValue(
ctx,
value,
recurseTimes,
typedArray,
) {
// Primitive types cannot have properties.
if (
typeof value !== "object" &&
typeof value !== "function" &&
!isUndetectableObject(value)
) {
return formatPrimitive(ctx.stylize, value, ctx);
}
if (value === null) {
return ctx.stylize("null", "null");
}
// Memorize the context for custom inspection on proxies.
const context = value;
// Always check for proxies to prevent side effects and to prevent triggering
// any proxy handlers.
// TODO(wafuwafu13): Set Proxy
const proxyDetails = core.getProxyDetails(value);
// const proxy = getProxyDetails(value, !!ctx.showProxy);
// if (proxy !== undefined) {
// if (ctx.showProxy) {
// return formatProxy(ctx, proxy, recurseTimes);
// }
// value = proxy;
// }
// Provide a hook for user-specified inspect functions.
// Check that value is an object with an inspect function on it.
if (ctx.customInspect) {
if (
ReflectHas(value, customInspect) &&
typeof value[customInspect] === "function"
) {
return String(value[customInspect](inspect, ctx));
} else if (
ReflectHas(value, privateCustomInspect) &&
typeof value[privateCustomInspect] === "function"
) {
// TODO(nayeemrmn): `inspect` is passed as an argument because custom
// inspect implementations in `extensions` need it, but may not have access
// to the `Deno` namespace in web workers. Remove when the `Deno`
// namespace is always enabled.
return String(value[privateCustomInspect](inspect, ctx));
} else if (ReflectHas(value, nodeCustomInspectSymbol)) {
const maybeCustom = value[nodeCustomInspectSymbol];
if (
typeof maybeCustom === "function" &&
// Filter out the util module, its inspect function is special.
maybeCustom !== ctx.inspect &&
// Also filter out any prototype objects using the circular check.
!(value.constructor && value.constructor.prototype === value)
) {
// This makes sure the recurseTimes are reported as before while using
// a counter internally.
const depth = ctx.depth === null ? null : ctx.depth - recurseTimes;
// TODO(@crowlKats): proxy handling
const isCrossContext = !ObjectPrototypeIsPrototypeOf(
ObjectPrototype,
context,
);
const ret = FunctionPrototypeCall(
maybeCustom,
context,
depth,
getUserOptions(ctx, isCrossContext),
ctx.inspect,
);
// If the custom inspection method returned `this`, don't go into
// infinite recursion.
if (ret !== context) {
if (typeof ret !== "string") {
return formatValue(ctx, ret, recurseTimes);
}
return StringPrototypeReplaceAll(
ret,
"\n",
`\n${StringPrototypeRepeat(" ", ctx.indentationLvl)}`,
);
}
}
}
}
// Using an array here is actually better for the average case than using
// a Set. `seen` will only check for the depth and will never grow too large.
if (ArrayPrototypeIncludes(ctx.seen, value)) {
let index = 1;
if (ctx.circular === undefined) {
ctx.circular = new SafeMap();
MapPrototypeSet(ctx.circular, value, index);
} else {
index = ctx.circular.get(value);
if (index === undefined) {
index = ctx.circular.size + 1;
MapPrototypeSet(ctx.circular, value, index);
}
}
return ctx.stylize(`[Circular *${index}]`, "special");
}
return formatRaw(ctx, value, recurseTimes, typedArray, proxyDetails);
}
function getClassBase(value, constructor, tag) {
const hasName = ObjectHasOwn(value, "name");
const name = (hasName && value.name) || "(anonymous)";
let base = `class ${name}`;
if (constructor !== "Function" && constructor !== null) {
base += ` [${constructor}]`;
}
if (tag !== "" && constructor !== tag) {
base += ` [${tag}]`;
}
if (constructor !== null) {
const superName = ObjectGetPrototypeOf(value).name;
if (superName) {
base += ` extends ${superName}`;
}
} else {
base += " extends [null prototype]";
}
return `[${base}]`;
}
const stripCommentsRegExp = new SafeRegExp(
"(\\/\\/.*?\\n)|(\\/\\*(.|\\n)*?\\*\\/)",
"g",
);
const classRegExp = new SafeRegExp("^(\\s+[^(]*?)\\s*{");
function getFunctionBase(value, constructor, tag) {
const stringified = FunctionPrototypeToString(value);
if (
StringPrototypeStartsWith(stringified, "class") &&
StringPrototypeEndsWith(stringified, "}")
) {
const slice = StringPrototypeSlice(stringified, 5, -1);
const bracketIndex = StringPrototypeIndexOf(slice, "{");
if (
bracketIndex !== -1 &&
(!StringPrototypeIncludes(
StringPrototypeSlice(slice, 0, bracketIndex),
"(",
) ||
// Slow path to guarantee that it's indeed a class.
RegExpPrototypeExec(
classRegExp,
RegExpPrototypeSymbolReplace(stripCommentsRegExp, slice),
) !== null)
) {
return getClassBase(value, constructor, tag);
}
}
let type = "Function";
if (isGeneratorFunction(value)) {
type = `Generator${type}`;
}
if (isAsyncFunction(value)) {
type = `Async${type}`;
}
let base = `[${type}`;
if (constructor === null) {
base += " (null prototype)";
}
if (value.name === "") {
base += " (anonymous)";
} else {
base += `: ${value.name}`;
}
base += "]";
if (constructor !== type && constructor !== null) {
base += ` ${constructor}`;
}
if (tag !== "" && constructor !== tag) {
base += ` [${tag}]`;
}
return base;
}
function formatRaw(ctx, value, recurseTimes, typedArray, proxyDetails) {
let keys;
let protoProps;
if (ctx.showHidden && (recurseTimes <= ctx.depth || ctx.depth === null)) {
protoProps = [];
}
const constructor = getConstructorName(value, ctx, recurseTimes, protoProps);
// Reset the variable to check for this later on.
if (protoProps !== undefined && protoProps.length === 0) {
protoProps = undefined;
}
let tag = value[SymbolToStringTag];
// Only list the tag in case it's non-enumerable / not an own property.
// Otherwise we'd print this twice.
if (
typeof tag !== "string"
// TODO(wafuwafu13): Implement
// (tag !== "" &&
// (ctx.showHidden
// ? Object.prototype.hasOwnProperty
// : Object.prototype.propertyIsEnumerable)(
// value,
// Symbol.toStringTag,
// ))
) {
tag = "";
}
let base = "";
let formatter = () => [];
let braces;
let noIterator = true;
let i = 0;
const filter = ctx.showHidden ? 0 : 2;
let extrasType = kObjectType;
if (proxyDetails !== null && ctx.showProxy) {
return `Proxy ` + formatValue(ctx, proxyDetails, recurseTimes);
} else {
// Iterators and the rest are split to reduce checks.
// We have to check all values in case the constructor is set to null.
// Otherwise it would not possible to identify all types properly.
if (ReflectHas(value, SymbolIterator) || constructor === null) {
noIterator = false;
if (ArrayIsArray(value)) {
// Only set the constructor for non ordinary ("Array [...]") arrays.
const prefix = (constructor !== "Array" || tag !== "")
? getPrefix(constructor, tag, "Array", `(${value.length})`)
: "";
keys = op_get_non_index_property_names(value, filter);
braces = [`${prefix}[`, "]"];
if (
value.length === 0 && keys.length === 0 && protoProps === undefined
) {
return `${braces[0]}]`;
}
extrasType = kArrayExtrasType;
formatter = formatArray;
} else if (
(proxyDetails === null && isSet(value)) ||
(proxyDetails !== null && isSet(proxyDetails[0]))
) {
const set = proxyDetails?.[0] ?? value;
const size = SetPrototypeGetSize(set);
const prefix = getPrefix(constructor, tag, "Set", `(${size})`);
keys = getKeys(set, ctx.showHidden);
formatter = constructor !== null
? FunctionPrototypeBind(formatSet, null, set)
: FunctionPrototypeBind(formatSet, null, SetPrototypeValues(set));
if (size === 0 && keys.length === 0 && protoProps === undefined) {
return `${prefix}{}`;
}
braces = [`${prefix}{`, "}"];
} else if (
(proxyDetails === null && isMap(value)) ||
(proxyDetails !== null && isMap(proxyDetails[0]))
) {
const map = proxyDetails?.[0] ?? value;
const size = MapPrototypeGetSize(map);
const prefix = getPrefix(constructor, tag, "Map", `(${size})`);
keys = getKeys(map, ctx.showHidden);
formatter = constructor !== null
? FunctionPrototypeBind(formatMap, null, map)
: FunctionPrototypeBind(formatMap, null, MapPrototypeEntries(map));
if (size === 0 && keys.length === 0 && protoProps === undefined) {
return `${prefix}{}`;
}
braces = [`${prefix}{`, "}"];
} else if (
(proxyDetails === null && isTypedArray(value)) ||
(proxyDetails !== null && isTypedArray(proxyDetails[0]))
) {
const typedArray = proxyDetails?.[0] ?? value;
keys = op_get_non_index_property_names(typedArray, filter);
const bound = typedArray;
const fallback = "";
if (constructor === null) {
// TODO(wafuwafu13): Implement
// fallback = TypedArrayPrototypeGetSymbolToStringTag(value);
// // Reconstruct the array information.
// bound = new primordials[fallback](value);
}
const size = TypedArrayPrototypeGetLength(typedArray);
const prefix = getPrefix(constructor, tag, fallback, `(${size})`);
braces = [`${prefix}[`, "]"];
if (typedArray.length === 0 && keys.length === 0 && !ctx.showHidden) {
return `${braces[0]}]`;
}
// Special handle the value. The original value is required below. The
// bound function is required to reconstruct missing information.
formatter = FunctionPrototypeBind(formatTypedArray, null, bound, size);
extrasType = kArrayExtrasType;
} else if (
(proxyDetails === null && isMapIterator(value)) ||
(proxyDetails !== null && isMapIterator(proxyDetails[0]))
) {
const mapIterator = proxyDetails?.[0] ?? value;
keys = getKeys(mapIterator, ctx.showHidden);
braces = getIteratorBraces("Map", tag);
// Add braces to the formatter parameters.
formatter = FunctionPrototypeBind(formatIterator, null, braces);
} else if (
(proxyDetails === null && isSetIterator(value)) ||
(proxyDetails !== null && isSetIterator(proxyDetails[0]))
) {
const setIterator = proxyDetails?.[0] ?? value;
keys = getKeys(setIterator, ctx.showHidden);
braces = getIteratorBraces("Set", tag);
// Add braces to the formatter parameters.
formatter = FunctionPrototypeBind(formatIterator, null, braces);
} else {
noIterator = true;
}
}
if (noIterator) {
keys = getKeys(value, ctx.showHidden);
braces = ["{", "}"];
if (constructor === "Object") {
if (isArgumentsObject(value)) {
braces[0] = "[Arguments] {";
} else if (tag !== "") {
braces[0] = `${getPrefix(constructor, tag, "Object")}{`;
}
if (keys.length === 0 && protoProps === undefined) {
return `${braces[0]}}`;
}
} else if (typeof value === "function") {
base = getFunctionBase(value, constructor, tag);
if (keys.length === 0 && protoProps === undefined) {
return ctx.stylize(base, "special");
}
} else if (
(proxyDetails === null && isRegExp(value)) ||
(proxyDetails !== null && isRegExp(proxyDetails[0]))
) {
const regExp = proxyDetails?.[0] ?? value;
// Make RegExps say that they are RegExps
base = RegExpPrototypeToString(
constructor !== null ? regExp : new SafeRegExp(regExp),
);
const prefix = getPrefix(constructor, tag, "RegExp");
if (prefix !== "RegExp ") {
base = `${prefix}${base}`;
}
if (
(keys.length === 0 && protoProps === undefined) ||
(recurseTimes > ctx.depth && ctx.depth !== null)
) {
return ctx.stylize(base, "regexp");
}
} else if (
(proxyDetails === null && isDate(value)) ||
(proxyDetails !== null && isDate(proxyDetails[0]))
) {
const date = proxyDetails?.[0] ?? value;
if (NumberIsNaN(DatePrototypeGetTime(date))) {
return ctx.stylize("Invalid Date", "date");
} else {
base = DatePrototypeToISOString(date);
if (keys.length === 0 && protoProps === undefined) {
return ctx.stylize(base, "date");
}
}
} else if (
proxyDetails === null &&
typeof globalThis.Temporal !== "undefined" &&
(
ObjectPrototypeIsPrototypeOf(
globalThis.Temporal.Instant.prototype,
value,
) ||
ObjectPrototypeIsPrototypeOf(
globalThis.Temporal.ZonedDateTime.prototype,
value,
) ||
ObjectPrototypeIsPrototypeOf(
globalThis.Temporal.PlainDate.prototype,
value,
) ||
ObjectPrototypeIsPrototypeOf(
globalThis.Temporal.PlainTime.prototype,
value,
) ||
ObjectPrototypeIsPrototypeOf(
globalThis.Temporal.PlainDateTime.prototype,
value,
) ||
ObjectPrototypeIsPrototypeOf(
globalThis.Temporal.PlainYearMonth.prototype,
value,
) ||
ObjectPrototypeIsPrototypeOf(
globalThis.Temporal.PlainMonthDay.prototype,
value,
) ||
ObjectPrototypeIsPrototypeOf(
globalThis.Temporal.Duration.prototype,
value,
) ||
ObjectPrototypeIsPrototypeOf(
globalThis.Temporal.TimeZone.prototype,
value,
) ||
ObjectPrototypeIsPrototypeOf(
globalThis.Temporal.Calendar.prototype,
value,
)
)
) {
// Temporal is not available in primordials yet
// deno-lint-ignore prefer-primordials
return ctx.stylize(value.toString(), "temporal");
} else if (
(proxyDetails === null &&
(isNativeError(value) ||
ObjectPrototypeIsPrototypeOf(ErrorPrototype, value))) ||
(proxyDetails !== null &&
(isNativeError(proxyDetails[0]) ||
ObjectPrototypeIsPrototypeOf(ErrorPrototype, proxyDetails[0])))
) {
const error = proxyDetails?.[0] ?? value;
base = inspectError(error, ctx);
if (keys.length === 0 && protoProps === undefined) {
return base;
}
} else if (isAnyArrayBuffer(value)) {
// Fast path for ArrayBuffer and SharedArrayBuffer.
// Can't do the same for DataView because it has a non-primitive
// .buffer property that we need to recurse for.
const arrayType = isArrayBuffer(value)
? "ArrayBuffer"
: "SharedArrayBuffer";
const prefix = getPrefix(constructor, tag, arrayType);
if (typedArray === undefined) {
formatter = formatArrayBuffer;
} else if (keys.length === 0 && protoProps === undefined) {
return prefix +
`{ byteLength: ${
formatNumber(ctx.stylize, TypedArrayPrototypeGetByteLength(value))
} }`;
}
braces[0] = `${prefix}{`;
ArrayPrototypeUnshift(keys, "byteLength");
} else if (isDataView(value)) {
braces[0] = `${getPrefix(constructor, tag, "DataView")}{`;
// .buffer goes last, it's not a primitive like the others.
ArrayPrototypeUnshift(keys, "byteLength", "byteOffset", "buffer");
} else if (isPromise(value)) {
braces[0] = `${getPrefix(constructor, tag, "Promise")}{`;
formatter = formatPromise;
} else if (isWeakSet(value)) {
braces[0] = `${getPrefix(constructor, tag, "WeakSet")}{`;
formatter = ctx.showHidden ? formatWeakSet : formatWeakCollection;
} else if (isWeakMap(value)) {
braces[0] = `${getPrefix(constructor, tag, "WeakMap")}{`;
formatter = ctx.showHidden ? formatWeakMap : formatWeakCollection;
} else if (isModuleNamespaceObject(value)) {
braces[0] = `${getPrefix(constructor, tag, "Module")}{`;
// Special handle keys for namespace objects.
formatter = FunctionPrototypeBind(formatNamespaceObject, null, keys);
} else if (isBoxedPrimitive(value)) {
base = getBoxedBase(value, ctx, keys, constructor, tag);
if (keys.length === 0 && protoProps === undefined) {
return base;
}
} else {
if (keys.length === 0 && protoProps === undefined) {
// TODO(wafuwafu13): Implement
// if (isExternal(value)) {
// const address = getExternalValue(value).toString(16);
// return ctx.stylize(`[External: ${address}]`, 'special');
// }
return `${getCtxStyle(value, constructor, tag)}{}`;
}
braces[0] = `${getCtxStyle(value, constructor, tag)}{`;
}
}
}
if (recurseTimes > ctx.depth && ctx.depth !== null) {
let constructorName = StringPrototypeSlice(
getCtxStyle(value, constructor, tag),
0,
-1,
);
if (constructor !== null) {
constructorName = `[${constructorName}]`;
}
return ctx.stylize(constructorName, "special");
}
recurseTimes += 1;
ArrayPrototypePush(ctx.seen, value);
ctx.currentDepth = recurseTimes;
let output;
try {
output = formatter(ctx, value, recurseTimes);
for (i = 0; i < keys.length; i++) {
ArrayPrototypePush(
output,
formatProperty(ctx, value, recurseTimes, keys[i], extrasType),
);
}
if (protoProps !== undefined) {
ArrayPrototypePushApply(output, protoProps);
}
} catch (error) {
// TODO(wafuwafu13): Implement stack overflow check
return ctx.stylize(
`[Internal Formatting Error] ${error.stack}`,
"internalError",
);
}
if (ctx.circular !== undefined) {
const index = ctx.circular.get(value);
if (index !== undefined) {
const reference = ctx.stylize(`<ref *${index}>`, "special");
// Add reference always to the very beginning of the output.
if (ctx.compact !== true) {
base = base === "" ? reference : `${reference} ${base}`;
} else {
braces[0] = `${reference} ${braces[0]}`;
}
}
}
ArrayPrototypePop(ctx.seen);
if (ctx.sorted) {
const comparator = ctx.sorted === true ? undefined : ctx.sorted;
if (extrasType === kObjectType) {
output = ArrayPrototypeSort(output, comparator);
} else if (keys.length > 1) {
const sorted = ArrayPrototypeSort(
ArrayPrototypeSlice(output, output.length - keys.length),
comparator,
);
ArrayPrototypeSplice(
output,
output.length - keys.length,
keys.length,
...new SafeArrayIterator(sorted),
);
}
}
const res = reduceToSingleString(
ctx,
output,
base,
braces,
extrasType,
recurseTimes,
value,
);
const budget = ctx.budget[ctx.indentationLvl] || 0;
const newLength = budget + res.length;
ctx.budget[ctx.indentationLvl] = newLength;
// If any indentationLvl exceeds this limit, limit further inspecting to the
// minimum. Otherwise the recursive algorithm might continue inspecting the
// object even though the maximum string size (~2 ** 28 on 32 bit systems and
// ~2 ** 30 on 64 bit systems) exceeded. The actual output is not limited at
// exactly 2 ** 27 but a bit higher. This depends on the object shape.
// This limit also makes sure that huge objects don't block the event loop
// significantly.
if (newLength > 2 ** 27) {
ctx.depth = -1;
}
return res;
}
const builtInObjectsRegExp = new SafeRegExp("^[A-Z][a-zA-Z0-9]+$");
const builtInObjects = new SafeSet(
ArrayPrototypeFilter(
ObjectGetOwnPropertyNames(globalThis),
(e) => RegExpPrototypeTest(builtInObjectsRegExp, e),
),
);
function addPrototypeProperties(
ctx,
main,
obj,
recurseTimes,
output,
) {
let depth = 0;
let keys;
let keySet;
do {
if (depth !== 0 || main === obj) {
obj = ObjectGetPrototypeOf(obj);
// Stop as soon as a null prototype is encountered.
if (obj === null) {
return;
}
// Stop as soon as a built-in object type is detected.
const descriptor = ObjectGetOwnPropertyDescriptor(obj, "constructor");
if (
descriptor !== undefined &&
typeof descriptor.value === "function" &&
SetPrototypeHas(builtInObjects, descriptor.value.name)
) {
return;
}
}
if (depth === 0) {
keySet = new SafeSet();
} else {
ArrayPrototypeForEach(keys, (key) => SetPrototypeAdd(keySet, key));
}
// Get all own property names and symbols.
keys = ReflectOwnKeys(obj);
ArrayPrototypePush(ctx.seen, main);
for (const key of new SafeArrayIterator(keys)) {
// Ignore the `constructor` property and keys that exist on layers above.
if (
key === "constructor" ||
ObjectHasOwn(main, key) ||
(depth !== 0 && SetPrototypeHas(keySet, key))
) {
continue;
}
const desc = ObjectGetOwnPropertyDescriptor(obj, key);
if (typeof desc.value === "function") {
continue;
}
const value = formatProperty(
ctx,
obj,
recurseTimes,
key,
kObjectType,
desc,
main,
);
if (ctx.colors) {
// Faint!
ArrayPrototypePush(output, `\u001b[2m${value}\u001b[22m`);
} else {
ArrayPrototypePush(output, value);
}
}
ArrayPrototypePop(ctx.seen);
// Limit the inspection to up to three prototype layers. Using `recurseTimes`
// is not a good choice here, because it's as if the properties are declared
// on the current object from the users perspective.
} while (++depth !== 3);
}
function isInstanceof(proto, object) {
try {
return ObjectPrototypeIsPrototypeOf(proto, object);
} catch {
return false;
}
}
function getConstructorName(obj, ctx, recurseTimes, protoProps) {
let firstProto;
const tmp = obj;
while (obj || isUndetectableObject(obj)) {
let descriptor;
try {
descriptor = ObjectGetOwnPropertyDescriptor(obj, "constructor");
} catch {
/* this could fail */
}
if (
descriptor !== undefined &&
typeof descriptor.value === "function" &&
descriptor.value.name !== "" &&
isInstanceof(descriptor.value.prototype, tmp)
) {
if (
protoProps !== undefined &&
(firstProto !== obj ||
!SetPrototypeHas(builtInObjects, descriptor.value.name))
) {
addPrototypeProperties(
ctx,
tmp,
firstProto || tmp,
recurseTimes,
protoProps,
);
}
return String(descriptor.value.name);
}
obj = ObjectGetPrototypeOf(obj);
if (firstProto === undefined) {
firstProto = obj;
}
}
if (firstProto === null) {
return null;
}
const res = op_get_constructor_name(tmp);
if (recurseTimes > ctx.depth && ctx.depth !== null) {
return `${res} <Complex prototype>`;
}
const protoConstr = getConstructorName(
firstProto,
ctx,
recurseTimes + 1,
protoProps,
);
if (protoConstr === null) {
return `${res} <${
inspect(firstProto, {
...ctx,
customInspect: false,
depth: -1,
})
}>`;
}
return `${res} <${protoConstr}>`;
}
const formatPrimitiveRegExp = new SafeRegExp("(?<=\n)");
function formatPrimitive(fn, value, ctx) {
if (typeof value === "string") {
let trailer = "";
if (value.length > ctx.maxStringLength) {
const remaining = value.length - ctx.maxStringLength;
value = StringPrototypeSlice(value, 0, ctx.maxStringLength);
trailer = `... ${remaining} more character${remaining > 1 ? "s" : ""}`;
}
if (
ctx.compact !== true &&
// TODO(BridgeAR): Add unicode support. Use the readline getStringWidth
// function.
value.length > kMinLineLength &&
value.length > ctx.breakLength - ctx.indentationLvl - 4
) {
return ArrayPrototypeJoin(
ArrayPrototypeMap(
StringPrototypeSplit(value, formatPrimitiveRegExp),
(line) => fn(quoteString(line, ctx), "string"),
),
` +\n${StringPrototypeRepeat(" ", ctx.indentationLvl + 2)}`,
) + trailer;
}
return fn(quoteString(value, ctx), "string") + trailer;
}
if (typeof value === "number") {
return formatNumber(fn, value);
}
if (typeof value === "bigint") {
return formatBigInt(fn, value);
}
if (typeof value === "boolean") {
return fn(`${value}`, "boolean");
}
if (typeof value === "undefined") {
return fn("undefined", "undefined");
}
// es6 symbol primitive
return fn(maybeQuoteSymbol(value, ctx), "symbol");
}
function getPrefix(constructor, tag, fallback, size = "") {
if (constructor === null) {
if (tag !== "" && fallback !== tag) {
return `[${fallback}${size}: null prototype] [${tag}] `;
}
return `[${fallback}${size}: null prototype] `;
}
if (tag !== "" && constructor !== tag) {
return `${constructor}${size} [${tag}] `;
}
return `${constructor}${size} `;
}
function formatArray(ctx, value, recurseTimes) {
const valLen = value.length;
const len = MathMin(MathMax(0, ctx.maxArrayLength), valLen);
const remaining = valLen - len;
const output = [];
for (let i = 0; i < len; i++) {
// Special handle sparse arrays.
if (!ObjectHasOwn(value, i)) {
return formatSpecialArray(ctx, value, recurseTimes, len, output, i);
}
ArrayPrototypePush(
output,
formatProperty(ctx, value, recurseTimes, i, kArrayType),
);
}
if (remaining > 0) {
ArrayPrototypePush(
output,
`... ${remaining} more item${remaining > 1 ? "s" : ""}`,
);
}
return output;
}
function getCtxStyle(value, constructor, tag) {
let fallback = "";
if (constructor === null) {
fallback = op_get_constructor_name(value);
if (fallback === tag) {
fallback = "Object";
}
}
return getPrefix(constructor, tag, fallback);
}
// Look up the keys of the object.
function getKeys(value, showHidden) {
let keys;
const symbols = ObjectGetOwnPropertySymbols(value);
if (showHidden) {
keys = ObjectGetOwnPropertyNames(value);
if (symbols.length !== 0) {
ArrayPrototypePushApply(keys, symbols);
}
} else {
// This might throw if `value` is a Module Namespace Object from an
// unevaluated module, but we don't want to perform the actual type
// check because it's expensive.
// TODO(devsnek): track https://github.com/tc39/ecma262/issues/1209
// and modify this logic as needed.
try {
keys = ObjectKeys(value);
} catch (err) {
assert(
isNativeError(err) && err.name === "ReferenceError" &&
isModuleNamespaceObject(value),
);
keys = ObjectGetOwnPropertyNames(value);
}
if (symbols.length !== 0) {
const filter = (key) => ObjectPrototypePropertyIsEnumerable(value, key);
ArrayPrototypePushApply(keys, ArrayPrototypeFilter(symbols, filter));
}
}
return keys;
}
function formatSet(value, ctx, _ignored, recurseTimes) {
ctx.indentationLvl += 2;
const values = [...new SafeSetIterator(value)];
const valLen = SetPrototypeGetSize(value);
const len = MathMin(MathMax(0, ctx.iterableLimit), valLen);
const remaining = valLen - len;
const output = [];
for (let i = 0; i < len; i++) {
ArrayPrototypePush(output, formatValue(ctx, values[i], recurseTimes));
}
if (remaining > 0) {
ArrayPrototypePush(
output,
`... ${remaining} more item${remaining > 1 ? "s" : ""}`,
);
}
ctx.indentationLvl -= 2;
return output;
}
function formatMap(value, ctx, _ignored, recurseTimes) {
ctx.indentationLvl += 2;
const values = [...new SafeMapIterator(value)];
const valLen = MapPrototypeGetSize(value);
const len = MathMin(MathMax(0, ctx.iterableLimit), valLen);
const remaining = valLen - len;
const output = [];
for (let i = 0; i < len; i++) {
ArrayPrototypePush(
output,
`${formatValue(ctx, values[i][0], recurseTimes)} => ${
formatValue(ctx, values[i][1], recurseTimes)
}`,
);
}
if (remaining > 0) {
ArrayPrototypePush(
output,
`... ${remaining} more item${remaining > 1 ? "s" : ""}`,
);
}
ctx.indentationLvl -= 2;
return output;
}
function formatTypedArray(
value,
length,
ctx,
_ignored,
recurseTimes,
) {
const maxLength = MathMin(MathMax(0, ctx.maxArrayLength), length);
const remaining = value.length - maxLength;
const output = [];
const elementFormatter = value.length > 0 && typeof value[0] === "number"
? formatNumber
: formatBigInt;
for (let i = 0; i < maxLength; ++i) {
output[i] = elementFormatter(ctx.stylize, value[i]);
}
if (remaining > 0) {
output[maxLength] = `... ${remaining} more item${remaining > 1 ? "s" : ""}`;
}
if (ctx.showHidden) {
// .buffer goes last, it's not a primitive like the others.
// All besides `BYTES_PER_ELEMENT` are actually getters.
ctx.indentationLvl += 2;
for (
const key of new SafeArrayIterator([
"BYTES_PER_ELEMENT",
"length",
"byteLength",
"byteOffset",
"buffer",
])
) {
const str = formatValue(ctx, value[key], recurseTimes, true);
ArrayPrototypePush(output, `[${key}]: ${str}`);
}
ctx.indentationLvl -= 2;
}
return output;
}
function getIteratorBraces(type, tag) {
if (tag !== `${type} Iterator`) {
if (tag !== "") {
tag += "] [";
}
tag += `${type} Iterator`;
}
return [`[${tag}] {`, "}"];
}
const iteratorRegExp = new SafeRegExp(" Iterator] {$");
function formatIterator(braces, ctx, value, recurseTimes) {
const { 0: entries, 1: isKeyValue } = op_preview_entries(value, true);
if (isKeyValue) {
// Mark entry iterators as such.
braces[0] = StringPrototypeReplace(
braces[0],
iteratorRegExp,
" Entries] {",
);
return formatMapIterInner(ctx, recurseTimes, entries, kMapEntries);
}
return formatSetIterInner(ctx, recurseTimes, entries, kIterator);
}
function handleCircular(value, ctx) {
let index = 1;
if (ctx.circular === undefined) {
ctx.circular = new SafeMap();
MapPrototypeSet(ctx.circular, value, index);
} else {
index = MapPrototypeGet(ctx.circular, value);
if (index === undefined) {
index = MapPrototypeGetSize(ctx.circular) + 1;
MapPrototypeSet(ctx.circular, value, index);
}
}
// Circular string is cyan
return ctx.stylize(`[Circular *${index}]`, "special");
}
const AGGREGATE_ERROR_HAS_AT_PATTERN = new SafeRegExp(/\s+at/);
const AGGREGATE_ERROR_NOT_EMPTY_LINE_PATTERN = new SafeRegExp(/^(?!\s*$)/gm);
function inspectError(value, ctx) {
const causes = [value];
let err = value;
while (err.cause) {
if (ArrayPrototypeIncludes(causes, err.cause)) {
ArrayPrototypePush(causes, handleCircular(err.cause, ctx));
break;
} else {
ArrayPrototypePush(causes, err.cause);
err = err.cause;
}
}
const refMap = new SafeMap();
for (let i = 0; i < causes.length; ++i) {
const cause = causes[i];
if (ctx.circular !== undefined) {
const index = MapPrototypeGet(ctx.circular, cause);
if (index !== undefined) {
MapPrototypeSet(
refMap,
cause,
ctx.stylize(`<ref *${index}> `, "special"),
);
}
}
}
ArrayPrototypeShift(causes);
let finalMessage = MapPrototypeGet(refMap, value) ?? "";
if (isAggregateError(value)) {
const stackLines = StringPrototypeSplit(value.stack, "\n");
while (true) {
const line = ArrayPrototypeShift(stackLines);
if (RegExpPrototypeTest(AGGREGATE_ERROR_HAS_AT_PATTERN, line)) {
ArrayPrototypeUnshift(stackLines, line);
break;
} else if (typeof line === "undefined") {
break;
}
finalMessage += line;
finalMessage += "\n";
}
const aggregateMessage = ArrayPrototypeJoin(
ArrayPrototypeMap(
value.errors,
(error) =>
StringPrototypeReplace(
inspectArgs([error]),
AGGREGATE_ERROR_NOT_EMPTY_LINE_PATTERN,
StringPrototypeRepeat(" ", 4),
),
),
"\n",
);
finalMessage += aggregateMessage;
finalMessage += "\n";
finalMessage += ArrayPrototypeJoin(stackLines, "\n");
} else {
const stack = value.stack;
if (stack?.includes("\n at")) {
finalMessage += stack;
} else {
finalMessage += `[${stack || ErrorPrototypeToString(value)}]`;
}
}
finalMessage += ArrayPrototypeJoin(
ArrayPrototypeMap(
causes,
(cause) =>
"\nCaused by " + (MapPrototypeGet(refMap, cause) ?? "") +
(cause?.stack ?? cause),
),
"",
);
return finalMessage;
}
const hexSliceLookupTable = function () {
const alphabet = "0123456789abcdef";
const table = [];
for (let i = 0; i < 16; ++i) {
const i16 = i * 16;
for (let j = 0; j < 16; ++j) {
table[i16 + j] = alphabet[i] + alphabet[j];
}
}
return table;
}();
function hexSlice(buf, start, end) {
const len = TypedArrayPrototypeGetLength(buf);
if (!start || start < 0) {
start = 0;
}
if (!end || end < 0 || end > len) {
end = len;
}
let out = "";
for (let i = start; i < end; ++i) {
out += hexSliceLookupTable[buf[i]];
}
return out;
}
const arrayBufferRegExp = new SafeRegExp("(.{2})", "g");
function formatArrayBuffer(ctx, value) {
let valLen;
try {
valLen = ArrayBufferPrototypeGetByteLength(value);
} catch {
valLen = getSharedArrayBufferByteLength(value);
}
const len = MathMin(MathMax(0, ctx.maxArrayLength), valLen);
let buffer;
try {
buffer = new Uint8Array(value, 0, len);
} catch {
return [ctx.stylize("(detached)", "special")];
}
let str = StringPrototypeTrim(
StringPrototypeReplace(hexSlice(buffer), arrayBufferRegExp, "$1 "),
);
const remaining = valLen - len;
if (remaining > 0) {
str += ` ... ${remaining} more byte${remaining > 1 ? "s" : ""}`;
}
return [`${ctx.stylize("[Uint8Contents]", "special")}: <${str}>`];
}
function formatNumber(fn, value) {
// Format -0 as '-0'. Checking `value === -0` won't distinguish 0 from -0.
return fn(ObjectIs(value, -0) ? "-0" : `${value}`, "number");
}
const PromiseState = {
Pending: 0,
Fulfilled: 1,
Rejected: 2,
};
function formatPromise(ctx, value, recurseTimes) {
let output;
const { 0: state, 1: result } = core.getPromiseDetails(value);
if (state === PromiseState.Pending) {
output = [ctx.stylize("<pending>", "special")];
} else {
ctx.indentationLvl += 2;
const str = formatValue(ctx, result, recurseTimes);
ctx.indentationLvl -= 2;
output = [
state === PromiseState.Rejected
? `${ctx.stylize("<rejected>", "special")} ${str}`
: str,
];
}
return output;
}
function formatWeakCollection(ctx) {
return [ctx.stylize("<items unknown>", "special")];
}
function formatWeakSet(ctx, value, recurseTimes) {
const entries = op_preview_entries(value, false);
return formatSetIterInner(ctx, recurseTimes, entries, kWeak);
}
function formatWeakMap(ctx, value, recurseTimes) {
const entries = op_preview_entries(value, false);
return formatMapIterInner(ctx, recurseTimes, entries, kWeak);
}
function formatProperty(
ctx,
value,
recurseTimes,
key,
type,
desc,
original = value,
) {
let name, str;
let extra = " ";
desc = desc || ObjectGetOwnPropertyDescriptor(value, key) ||
{ value: value[key], enumerable: true };
if (desc.value !== undefined) {
const diff = (ctx.compact !== true || type !== kObjectType) ? 2 : 3;
ctx.indentationLvl += diff;
str = formatValue(ctx, desc.value, recurseTimes);
if (diff === 3 && ctx.breakLength < getStringWidth(str, ctx.colors)) {
extra = `\n${StringPrototypeRepeat(" ", ctx.indentationLvl)}`;
}
ctx.indentationLvl -= diff;
} else if (desc.get !== undefined) {
const label = desc.set !== undefined ? "Getter/Setter" : "Getter";
const s = ctx.stylize;
const sp = "special";
if (
ctx.getters && (ctx.getters === true ||
(ctx.getters === "get" && desc.set === undefined) ||
(ctx.getters === "set" && desc.set !== undefined))
) {
try {
const tmp = FunctionPrototypeCall(desc.get, original);
ctx.indentationLvl += 2;
if (tmp === null) {
str = `${s(`[${label}:`, sp)} ${s("null", "null")}${s("]", sp)}`;
} else if (typeof tmp === "object") {
str = `${s(`[${label}]`, sp)} ${formatValue(ctx, tmp, recurseTimes)}`;
} else {
const primitive = formatPrimitive(s, tmp, ctx);
str = `${s(`[${label}:`, sp)} ${primitive}${s("]", sp)}`;
}
ctx.indentationLvl -= 2;
} catch (err) {
const message = `<Inspection threw (${err.message})>`;
str = `${s(`[${label}:`, sp)} ${message}${s("]", sp)}`;
}
} else {
str = ctx.stylize(`[${label}]`, sp);
}
} else if (desc.set !== undefined) {
str = ctx.stylize("[Setter]", "special");
} else {
str = ctx.stylize("undefined", "undefined");
}
if (type === kArrayType) {
return str;
}
if (typeof key === "symbol") {
name = `[${ctx.stylize(maybeQuoteSymbol(key, ctx), "symbol")}]`;
} else if (key === "__proto__") {
name = "['__proto__']";
} else if (desc.enumerable === false) {
const tmp = StringPrototypeReplace(
key,
strEscapeSequencesReplacer,
escapeFn,
);
name = `[${tmp}]`;
} else if (keyStrRegExp.test(key)) {
name = ctx.stylize(key, "name");
} else {
name = ctx.stylize(quoteString(key, ctx), "string");
}
return `${name}:${extra}${str}`;
}
const colorRegExp = new SafeRegExp("\u001b\\[\\d\\d?m", "g");
function removeColors(str) {
return StringPrototypeReplace(str, colorRegExp, "");
}
function isBelowBreakLength(ctx, output, start, base) {
// Each entry is separated by at least a comma. Thus, we start with a total
// length of at least `output.length`. In addition, some cases have a
// whitespace in-between each other that is added to the total as well.
// TODO(BridgeAR): Add unicode support. Use the readline getStringWidth
// function. Check the performance overhead and make it an opt-in in case it's
// significant.
let totalLength = output.length + start;
if (totalLength + output.length > ctx.breakLength) {
return false;
}
for (let i = 0; i < output.length; i++) {
if (ctx.colors) {
totalLength += removeColors(output[i]).length;
} else {
totalLength += output[i].length;
}
if (totalLength > ctx.breakLength) {
return false;
}
}
// Do not line up properties on the same line if `base` contains line breaks.
return base === "" || !StringPrototypeIncludes(base, "\n");
}
function formatBigInt(fn, value) {
return fn(`${value}n`, "bigint");
}
function formatNamespaceObject(
keys,
ctx,
value,
recurseTimes,
) {
const output = [];
for (let i = 0; i < keys.length; i++) {
try {
output[i] = formatProperty(
ctx,
value,
recurseTimes,
keys[i],
kObjectType,
);
} catch (_err) {
// TODO(wafuwfu13): Implement
// assert(isNativeError(err) && err.name === 'ReferenceError');
// Use the existing functionality. This makes sure the indentation and
// line breaks are always correct. Otherwise it is very difficult to keep
// this aligned, even though this is a hacky way of dealing with this.
const tmp = { [keys[i]]: "" };
output[i] = formatProperty(ctx, tmp, recurseTimes, keys[i], kObjectType);
const pos = StringPrototypeLastIndexOf(output[i], " ");
// We have to find the last whitespace and have to replace that value as
// it will be visualized as a regular string.
output[i] = StringPrototypeSlice(output[i], 0, pos + 1) +
ctx.stylize("<uninitialized>", "special");
}
}
// Reset the keys to an empty array. This prevents duplicated inspection.
keys.length = 0;
return output;
}
// The array is sparse and/or has extra keys
function formatSpecialArray(
ctx,
value,
recurseTimes,
maxLength,
output,
i,
) {
const keys = ObjectKeys(value);
let index = i;
for (; i < keys.length && output.length < maxLength; i++) {
const key = keys[i];
const tmp = +key;
// Arrays can only have up to 2^32 - 1 entries
if (tmp > 2 ** 32 - 2) {
break;
}
if (`${index}` !== key) {
if (!numberRegExp.test(key)) {
break;
}
const emptyItems = tmp - index;
const ending = emptyItems > 1 ? "s" : "";
const message = `<${emptyItems} empty item${ending}>`;
ArrayPrototypePush(output, ctx.stylize(message, "undefined"));
index = tmp;
if (output.length === maxLength) {
break;
}
}
ArrayPrototypePush(
output,
formatProperty(ctx, value, recurseTimes, key, kArrayType),
);
index++;
}
const remaining = value.length - index;
if (output.length !== maxLength) {
if (remaining > 0) {
const ending = remaining > 1 ? "s" : "";
const message = `<${remaining} empty item${ending}>`;
ArrayPrototypePush(output, ctx.stylize(message, "undefined"));
}
} else if (remaining > 0) {
ArrayPrototypePush(
output,
`... ${remaining} more item${remaining > 1 ? "s" : ""}`,
);
}
return output;
}
function getBoxedBase(
value,
ctx,
keys,
constructor,
tag,
) {
let type, primitive;
if (isNumberObject(value)) {
type = "Number";
primitive = NumberPrototypeValueOf(value);
} else if (isStringObject(value)) {
type = "String";
primitive = StringPrototypeValueOf(value);
// For boxed Strings, we have to remove the 0-n indexed entries,
// since they just noisy up the output and are redundant
// Make boxed primitive Strings look like such
ArrayPrototypeSplice(keys, 0, value.length);
} else if (isBooleanObject(value)) {
type = "Boolean";
primitive = BooleanPrototypeValueOf(value);
} else if (isBigIntObject(value)) {
type = "BigInt";
primitive = BigIntPrototypeValueOf(value);
} else {
type = "Symbol";
primitive = SymbolPrototypeValueOf(value);
}
let base = `[${type}`;
if (type !== constructor) {
if (constructor === null) {
base += " (null prototype)";
} else {
base += ` (${constructor})`;
}
}
base += `: ${formatPrimitive(stylizeNoColor, primitive, ctx)}]`;
if (tag !== "" && tag !== constructor) {
base += ` [${tag}]`;
}
if (keys.length !== 0 || ctx.stylize === stylizeNoColor) {
return base;
}
return ctx.stylize(base, StringPrototypeToLowerCase(type));
}
function reduceToSingleString(
ctx,
output,
base,
braces,
extrasType,
recurseTimes,
value,
) {
if (ctx.compact !== true) {
if (typeof ctx.compact === "number" && ctx.compact >= 1) {
// Memorize the original output length. In case the output is grouped,
// prevent lining up the entries on a single line.
const entries = output.length;
// Group array elements together if the array contains at least six
// separate entries.
if (extrasType === kArrayExtrasType && entries > 6) {
output = groupArrayElements(ctx, output, value);
}
// `ctx.currentDepth` is set to the most inner depth of the currently
// inspected object part while `recurseTimes` is the actual current depth
// that is inspected.
//
// Example:
//
// const a = { first: [ 1, 2, 3 ], second: { inner: [ 1, 2, 3 ] } }
//
// The deepest depth of `a` is 2 (a.second.inner) and `a.first` has a max
// depth of 1.
//
// Consolidate all entries of the local most inner depth up to
// `ctx.compact`, as long as the properties are smaller than
// `ctx.breakLength`.
if (
ctx.currentDepth - recurseTimes < ctx.compact &&
entries === output.length
) {
// Line up all entries on a single line in case the entries do not
// exceed `breakLength`. Add 10 as constant to start next to all other
// factors that may reduce `breakLength`.
const start = output.length + ctx.indentationLvl +
braces[0].length + base.length + 10;
if (isBelowBreakLength(ctx, output, start, base)) {
const joinedOutput = ArrayPrototypeJoin(output, ", ");
if (!StringPrototypeIncludes(joinedOutput, "\n")) {
return `${base ? `${base} ` : ""}${braces[0]} ${joinedOutput}` +
` ${braces[1]}`;
}
}
}
}
// Line up each entry on an individual line.
const indentation = `\n${StringPrototypeRepeat(" ", ctx.indentationLvl)}`;
return `${base ? `${base} ` : ""}${braces[0]}${indentation} ` +
`${ArrayPrototypeJoin(output, `,${indentation} `)}${
ctx.trailingComma ? "," : ""
}${indentation}${braces[1]}`;
}
// Line up all entries on a single line in case the entries do not exceed
// `breakLength`.
if (isBelowBreakLength(ctx, output, 0, base)) {
return `${braces[0]}${base ? ` ${base}` : ""} ${
ArrayPrototypeJoin(output, ", ")
} ` +
braces[1];
}
const indentation = StringPrototypeRepeat(" ", ctx.indentationLvl);
// If the opening "brace" is too large, like in the case of "Set {",
// we need to force the first item to be on the next line or the
// items will not line up correctly.
const ln = base === "" && braces[0].length === 1
? " "
: `${base ? ` ${base}` : ""}\n${indentation} `;
// Line up each entry on an individual line.
return `${braces[0]}${ln}${
ArrayPrototypeJoin(output, `,\n${indentation} `)
} ${braces[1]}`;
}
function groupArrayElements(ctx, output, value) {
let totalLength = 0;
let maxLength = 0;
let i = 0;
let outputLength = output.length;
if (ctx.maxArrayLength < output.length) {
// This makes sure the "... n more items" part is not taken into account.
outputLength--;
}
const separatorSpace = 2; // Add 1 for the space and 1 for the separator.
const dataLen = [];
// Calculate the total length of all output entries and the individual max
// entries length of all output entries. We have to remove colors first,
// otherwise the length would not be calculated properly.
for (; i < outputLength; i++) {
const len = getStringWidth(output[i], ctx.colors);
dataLen[i] = len;
totalLength += len + separatorSpace;
if (maxLength < len) {
maxLength = len;
}
}
// Add two to `maxLength` as we add a single whitespace character plus a comma
// in-between two entries.
const actualMax = maxLength + separatorSpace;
// Check if at least three entries fit next to each other and prevent grouping
// of arrays that contains entries of very different length (i.e., if a single
// entry is longer than 1/5 of all other entries combined). Otherwise the
// space in-between small entries would be enormous.
if (
actualMax * 3 + ctx.indentationLvl < ctx.breakLength &&
(totalLength / actualMax > 5 || maxLength <= 6)
) {
const approxCharHeights = 2.5;
const averageBias = MathSqrt(actualMax - totalLength / output.length);
const biasedMax = MathMax(actualMax - 3 - averageBias, 1);
// Dynamically check how many columns seem possible.
const columns = MathMin(
// Ideally a square should be drawn. We expect a character to be about 2.5
// times as high as wide. This is the area formula to calculate a square
// which contains n rectangles of size `actualMax * approxCharHeights`.
// Divide that by `actualMax` to receive the correct number of columns.
// The added bias increases the columns for short entries.
MathRound(
MathSqrt(
approxCharHeights * biasedMax * outputLength,
) / biasedMax,
),
// Do not exceed the breakLength.
MathFloor((ctx.breakLength - ctx.indentationLvl) / actualMax),
// Limit array grouping for small `compact` modes as the user requested
// minimal grouping.
ctx.compact * 4,
// Limit the columns to a maximum of fifteen.
15,
);
// Return with the original output if no grouping should happen.
if (columns <= 1) {
return output;
}
const tmp = [];
const maxLineLength = [];
for (let i = 0; i < columns; i++) {
let lineMaxLength = 0;
for (let j = i; j < output.length; j += columns) {
if (dataLen[j] > lineMaxLength) {
lineMaxLength = dataLen[j];
}
}
lineMaxLength += separatorSpace;
maxLineLength[i] = lineMaxLength;
}
let order = StringPrototypePadStart;
if (value !== undefined) {
for (let i = 0; i < output.length; i++) {
if (typeof value[i] !== "number" && typeof value[i] !== "bigint") {
order = StringPrototypePadEnd;
break;
}
}
}
// Each iteration creates a single line of grouped entries.
for (let i = 0; i < outputLength; i += columns) {
// The last lines may contain less entries than columns.
const max = MathMin(i + columns, outputLength);
let str = "";
let j = i;
for (; j < max - 1; j++) {
// Calculate extra color padding in case it's active. This has to be
// done line by line as some lines might contain more colors than
// others.
const padding = maxLineLength[j - i] + output[j].length - dataLen[j];
str += order(`${output[j]}, `, padding, " ");
}
if (order === StringPrototypePadStart) {
const padding = maxLineLength[j - i] +
output[j].length -
dataLen[j] -
separatorSpace;
str += StringPrototypePadStart(output[j], padding, " ");
} else {
str += output[j];
}
ArrayPrototypePush(tmp, str);
}
if (ctx.maxArrayLength < output.length) {
ArrayPrototypePush(tmp, output[outputLength]);
}
output = tmp;
}
return output;
}
function formatMapIterInner(
ctx,
recurseTimes,
entries,
state,
) {
const maxArrayLength = MathMax(ctx.maxArrayLength, 0);
// Entries exist as [key1, val1, key2, val2, ...]
const len = entries.length / 2;
const remaining = len - maxArrayLength;
const maxLength = MathMin(maxArrayLength, len);
const output = [];
let i = 0;
ctx.indentationLvl += 2;
if (state === kWeak) {
for (; i < maxLength; i++) {
const pos = i * 2;
output[i] = `${formatValue(ctx, entries[pos], recurseTimes)} => ${
formatValue(ctx, entries[pos + 1], recurseTimes)
}`;
}
// Sort all entries to have a halfway reliable output (if more entries than
// retrieved ones exist, we can not reliably return the same output) if the
// output is not sorted anyway.
if (!ctx.sorted) {
ArrayPrototypeSort(output);
}
} else {
for (; i < maxLength; i++) {
const pos = i * 2;
const res = [
formatValue(ctx, entries[pos], recurseTimes),
formatValue(ctx, entries[pos + 1], recurseTimes),
];
output[i] = reduceToSingleString(
ctx,
res,
"",
["[", "]"],
kArrayExtrasType,
recurseTimes,
);
}
}
ctx.indentationLvl -= 2;
if (remaining > 0) {
ArrayPrototypePush(
output,
`... ${remaining} more item${remaining > 1 ? "s" : ""}`,
);
}
return output;
}
function formatSetIterInner(
ctx,
recurseTimes,
entries,
state,
) {
const maxArrayLength = MathMax(ctx.maxArrayLength, 0);
const maxLength = MathMin(maxArrayLength, entries.length);
const output = [];
ctx.indentationLvl += 2;
for (let i = 0; i < maxLength; i++) {
output[i] = formatValue(ctx, entries[i], recurseTimes);
}
ctx.indentationLvl -= 2;
if (state === kWeak && !ctx.sorted) {
// Sort all entries to have a halfway reliable output (if more entries than
// retrieved ones exist, we can not reliably return the same output) if the
// output is not sorted anyway.
ArrayPrototypeSort(output);
}
const remaining = entries.length - maxLength;
if (remaining > 0) {
ArrayPrototypePush(
output,
`... ${remaining} more item${remaining > 1 ? "s" : ""}`,
);
}
return output;
}
// 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 SafeRegExp(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 = StringPrototypeNormalize(str, "NFC");
for (const char of new SafeStringIterator(str)) {
const code = StringPrototypeCodePointAt(char, 0);
if (isFullWidthCodePoint(code)) {
width += 2;
} else if (!isZeroWidthCodePoint(code)) {
width++;
}
}
return width;
}
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
};
/**
* Remove all VT control characters. Use to estimate displayed string width.
*/
export function stripVTControlCharacters(str) {
return StringPrototypeReplace(str, ansi, "");
}
function hasOwnProperty(obj, v) {
if (obj == null) {
return false;
}
return ObjectHasOwn(obj, v);
}
// Copyright Joyent, Inc. and other Node contributors. MIT license.
// Forked from Node's lib/internal/cli_table.js
const tableChars = {
middleMiddle: "\u2500",
rowMiddle: "\u253c",
topRight: "\u2510",
topLeft: "\u250c",
leftMiddle: "\u251c",
topMiddle: "\u252c",
bottomRight: "\u2518",
bottomLeft: "\u2514",
bottomMiddle: "\u2534",
rightMiddle: "\u2524",
left: "\u2502 ",
right: " \u2502",
middle: " \u2502 ",
};
function isFullWidthCodePoint(code) {
// Code points are partially derived from:
// http://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))
);
}
function renderRow(row, columnWidths, columnRightAlign) {
let out = tableChars.left;
for (let i = 0; i < row.length; i++) {
const cell = row[i];
const len = getStringWidth(cell);
const padding = StringPrototypeRepeat(" ", columnWidths[i] - len);
if (columnRightAlign?.[i]) {
out += `${padding}${cell}`;
} else {
out += `${cell}${padding}`;
}
if (i !== row.length - 1) {
out += tableChars.middle;
}
}
out += tableChars.right;
return out;
}
function cliTable(head, columns) {
const rows = [];
const columnWidths = ArrayPrototypeMap(head, (h) => getStringWidth(h));
const longestColumn = ArrayPrototypeReduce(
columns,
(n, a) => MathMax(n, a.length),
0,
);
const columnRightAlign = ArrayPrototypeFill(
new Array(columnWidths.length),
true,
);
for (let i = 0; i < head.length; i++) {
const column = columns[i];
for (let j = 0; j < longestColumn; j++) {
if (rows[j] === undefined) {
rows[j] = [];
}
const value = (rows[j][i] = hasOwnProperty(column, j) ? column[j] : "");
const width = columnWidths[i] || 0;
const counted = getStringWidth(value);
columnWidths[i] = MathMax(width, counted);
columnRightAlign[i] &= NumberIsInteger(+value);
}
}
const divider = ArrayPrototypeMap(
columnWidths,
(i) => StringPrototypeRepeat(tableChars.middleMiddle, i + 2),
);
let result =
`${tableChars.topLeft}${
ArrayPrototypeJoin(divider, tableChars.topMiddle)
}` +
`${tableChars.topRight}\n${renderRow(head, columnWidths)}\n` +
`${tableChars.leftMiddle}${
ArrayPrototypeJoin(divider, tableChars.rowMiddle)
}` +
`${tableChars.rightMiddle}\n`;
for (let i = 0; i < rows.length; ++i) {
const row = rows[i];
result += `${renderRow(row, columnWidths, columnRightAlign)}\n`;
}
result +=
`${tableChars.bottomLeft}${
ArrayPrototypeJoin(divider, tableChars.bottomMiddle)
}` +
tableChars.bottomRight;
return result;
}
/* End of forked part */
// We can match Node's quoting behavior exactly by swapping the double quote and
// single quote in this array. That would give preference to single quotes.
// However, we prefer double quotes as the default.
const denoInspectDefaultOptions = {
indentationLvl: 0,
currentDepth: 0,
stylize: stylizeNoColor,
showHidden: false,
depth: 4,
colors: false,
showProxy: false,
breakLength: 80,
escapeSequences: true,
compact: 3,
sorted: false,
getters: false,
// node only
maxArrayLength: 100,
maxStringLength: 100, // 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: 100, // similar to node's maxArrayLength, but doesn't only apply to arrays
trailingComma: false,
inspect,
// TODO(@crowlKats): merge into indentationLvl
indentLevel: 0,
};
function getDefaultInspectOptions() {
return {
budget: {},
seen: [],
...denoInspectDefaultOptions,
};
}
const DEFAULT_INDENT = " "; // Default indent string
const STR_ABBREVIATE_SIZE = 100;
class CSI {
static kClear = "\x1b[1;1H";
static kClearScreenDown = "\x1b[0J";
}
const QUOTE_SYMBOL_REG = new SafeRegExp(/^[a-zA-Z_][a-zA-Z_.0-9]*$/);
function maybeQuoteSymbol(symbol, ctx) {
const description = SymbolPrototypeGetDescription(symbol);
if (description === undefined) {
return SymbolPrototypeToString(symbol);
}
if (RegExpPrototypeTest(QUOTE_SYMBOL_REG, description)) {
return SymbolPrototypeToString(symbol);
}
return `Symbol(${quoteString(description, ctx)})`;
}
/** Surround the string in quotes.
*
* The quote symbol is chosen by taking the first of the `QUOTES` array which
* does not occur in the string. If they all occur, settle with `QUOTES[0]`.
*
* Insert a backslash before any occurrence of the chosen quote symbol and
* before any backslash.
*/
function quoteString(string, ctx) {
const quote = ArrayPrototypeFind(
ctx.quotes,
(c) => !StringPrototypeIncludes(string, c),
) ??
ctx.quotes[0];
const escapePattern = new SafeRegExp(`(?=[${quote}\\\\])`, "g");
string = StringPrototypeReplace(string, escapePattern, "\\");
if (ctx.escapeSequences) {
string = replaceEscapeSequences(string);
}
return `${quote}${string}${quote}`;
}
const ESCAPE_PATTERN = new SafeRegExp(/([\b\f\n\r\t\v])/g);
const ESCAPE_MAP = ObjectFreeze({
"\b": "\\b",
"\f": "\\f",
"\n": "\\n",
"\r": "\\r",
"\t": "\\t",
"\v": "\\v",
});
const ESCAPE_PATTERN2 = new SafeRegExp("[\x00-\x1f\x7f-\x9f]", "g");
// Replace escape sequences that can modify output.
function replaceEscapeSequences(string) {
return StringPrototypeReplace(
StringPrototypeReplace(
string,
ESCAPE_PATTERN,
(c) => ESCAPE_MAP[c],
),
ESCAPE_PATTERN2,
(c) =>
"\\x" +
StringPrototypePadStart(
NumberPrototypeToString(StringPrototypeCharCodeAt(c, 0), 16),
2,
"0",
),
);
}
// Print strings when they are inside of arrays or objects with quotes
function inspectValueWithQuotes(
value,
ctx,
) {
const abbreviateSize = typeof ctx.strAbbreviateSize === "undefined"
? STR_ABBREVIATE_SIZE
: ctx.strAbbreviateSize;
switch (typeof value) {
case "string": {
const trunc = value.length > abbreviateSize
? StringPrototypeSlice(value, 0, abbreviateSize) + "..."
: value;
return ctx.stylize(quoteString(trunc, ctx), "string"); // Quoted strings are green
}
default:
return formatValue(ctx, value, 0);
}
}
const colorKeywords = new SafeMap([
["black", "#000000"],
["silver", "#c0c0c0"],
["gray", "#808080"],
["white", "#ffffff"],
["maroon", "#800000"],
["red", "#ff0000"],
["purple", "#800080"],
["fuchsia", "#ff00ff"],
["green", "#008000"],
["lime", "#00ff00"],
["olive", "#808000"],
["yellow", "#ffff00"],
["navy", "#000080"],
["blue", "#0000ff"],
["teal", "#008080"],
["aqua", "#00ffff"],
["orange", "#ffa500"],
["aliceblue", "#f0f8ff"],
["antiquewhite", "#faebd7"],
["aquamarine", "#7fffd4"],
["azure", "#f0ffff"],
["beige", "#f5f5dc"],
["bisque", "#ffe4c4"],
["blanchedalmond", "#ffebcd"],
["blueviolet", "#8a2be2"],
["brown", "#a52a2a"],
["burlywood", "#deb887"],
["cadetblue", "#5f9ea0"],
["chartreuse", "#7fff00"],
["chocolate", "#d2691e"],
["coral", "#ff7f50"],
["cornflowerblue", "#6495ed"],
["cornsilk", "#fff8dc"],
["crimson", "#dc143c"],
["cyan", "#00ffff"],
["darkblue", "#00008b"],
["darkcyan", "#008b8b"],
["darkgoldenrod", "#b8860b"],
["darkgray", "#a9a9a9"],
["darkgreen", "#006400"],
["darkgrey", "#a9a9a9"],
["darkkhaki", "#bdb76b"],
["darkmagenta", "#8b008b"],
["darkolivegreen", "#556b2f"],
["darkorange", "#ff8c00"],
["darkorchid", "#9932cc"],
["darkred", "#8b0000"],
["darksalmon", "#e9967a"],
["darkseagreen", "#8fbc8f"],
["darkslateblue", "#483d8b"],
["darkslategray", "#2f4f4f"],
["darkslategrey", "#2f4f4f"],
["darkturquoise", "#00ced1"],
["darkviolet", "#9400d3"],
["deeppink", "#ff1493"],
["deepskyblue", "#00bfff"],
["dimgray", "#696969"],
["dimgrey", "#696969"],
["dodgerblue", "#1e90ff"],
["firebrick", "#b22222"],
["floralwhite", "#fffaf0"],
["forestgreen", "#228b22"],
["gainsboro", "#dcdcdc"],
["ghostwhite", "#f8f8ff"],
["gold", "#ffd700"],
["goldenrod", "#daa520"],
["greenyellow", "#adff2f"],
["grey", "#808080"],
["honeydew", "#f0fff0"],
["hotpink", "#ff69b4"],
["indianred", "#cd5c5c"],
["indigo", "#4b0082"],
["ivory", "#fffff0"],
["khaki", "#f0e68c"],
["lavender", "#e6e6fa"],
["lavenderblush", "#fff0f5"],
["lawngreen", "#7cfc00"],
["lemonchiffon", "#fffacd"],
["lightblue", "#add8e6"],
["lightcoral", "#f08080"],
["lightcyan", "#e0ffff"],
["lightgoldenrodyellow", "#fafad2"],
["lightgray", "#d3d3d3"],
["lightgreen", "#90ee90"],
["lightgrey", "#d3d3d3"],
["lightpink", "#ffb6c1"],
["lightsalmon", "#ffa07a"],
["lightseagreen", "#20b2aa"],
["lightskyblue", "#87cefa"],
["lightslategray", "#778899"],
["lightslategrey", "#778899"],
["lightsteelblue", "#b0c4de"],
["lightyellow", "#ffffe0"],
["limegreen", "#32cd32"],
["linen", "#faf0e6"],
["magenta", "#ff00ff"],
["mediumaquamarine", "#66cdaa"],
["mediumblue", "#0000cd"],
["mediumorchid", "#ba55d3"],
["mediumpurple", "#9370db"],
["mediumseagreen", "#3cb371"],
["mediumslateblue", "#7b68ee"],
["mediumspringgreen", "#00fa9a"],
["mediumturquoise", "#48d1cc"],
["mediumvioletred", "#c71585"],
["midnightblue", "#191970"],
["mintcream", "#f5fffa"],
["mistyrose", "#ffe4e1"],
["moccasin", "#ffe4b5"],
["navajowhite", "#ffdead"],
["oldlace", "#fdf5e6"],
["olivedrab", "#6b8e23"],
["orangered", "#ff4500"],
["orchid", "#da70d6"],
["palegoldenrod", "#eee8aa"],
["palegreen", "#98fb98"],
["paleturquoise", "#afeeee"],
["palevioletred", "#db7093"],
["papayawhip", "#ffefd5"],
["peachpuff", "#ffdab9"],
["peru", "#cd853f"],
["pink", "#ffc0cb"],
["plum", "#dda0dd"],
["powderblue", "#b0e0e6"],
["rosybrown", "#bc8f8f"],
["royalblue", "#4169e1"],
["saddlebrown", "#8b4513"],
["salmon", "#fa8072"],
["sandybrown", "#f4a460"],
["seagreen", "#2e8b57"],
["seashell", "#fff5ee"],
["sienna", "#a0522d"],
["skyblue", "#87ceeb"],
["slateblue", "#6a5acd"],
["slategray", "#708090"],
["slategrey", "#708090"],
["snow", "#fffafa"],
["springgreen", "#00ff7f"],
["steelblue", "#4682b4"],
["tan", "#d2b48c"],
["thistle", "#d8bfd8"],
["tomato", "#ff6347"],
["turquoise", "#40e0d0"],
["violet", "#ee82ee"],
["wheat", "#f5deb3"],
["whitesmoke", "#f5f5f5"],
["yellowgreen", "#9acd32"],
["rebeccapurple", "#663399"],
]);
const HASH_PATTERN = new SafeRegExp(
/^#([\dA-Fa-f]{2})([\dA-Fa-f]{2})([\dA-Fa-f]{2})([\dA-Fa-f]{2})?$/,
);
const SMALL_HASH_PATTERN = new SafeRegExp(
/^#([\dA-Fa-f])([\dA-Fa-f])([\dA-Fa-f])([\dA-Fa-f])?$/,
);
const RGB_PATTERN = new SafeRegExp(
/^rgba?\(\s*([+\-]?\d*\.?\d+)\s*,\s*([+\-]?\d*\.?\d+)\s*,\s*([+\-]?\d*\.?\d+)\s*(,\s*([+\-]?\d*\.?\d+)\s*)?\)$/,
);
const HSL_PATTERN = new SafeRegExp(
/^hsla?\(\s*([+\-]?\d*\.?\d+)\s*,\s*([+\-]?\d*\.?\d+)%\s*,\s*([+\-]?\d*\.?\d+)%\s*(,\s*([+\-]?\d*\.?\d+)\s*)?\)$/,
);
function parseCssColor(colorString) {
if (colorKeywords.has(colorString)) {
colorString = colorKeywords.get(colorString);
}
// deno-fmt-ignore
const hashMatch = StringPrototypeMatch(colorString, HASH_PATTERN);
if (hashMatch != null) {
return [
NumberParseInt(hashMatch[1], 16),
NumberParseInt(hashMatch[2], 16),
NumberParseInt(hashMatch[3], 16),
];
}
// deno-fmt-ignore
const smallHashMatch = StringPrototypeMatch(colorString, SMALL_HASH_PATTERN);
if (smallHashMatch != null) {
return [
NumberParseInt(`${smallHashMatch[1]}${smallHashMatch[1]}`, 16),
NumberParseInt(`${smallHashMatch[2]}${smallHashMatch[2]}`, 16),
NumberParseInt(`${smallHashMatch[3]}${smallHashMatch[3]}`, 16),
];
}
// deno-fmt-ignore
const rgbMatch = StringPrototypeMatch(colorString, RGB_PATTERN);
if (rgbMatch != null) {
return [
MathRound(MathMax(0, MathMin(255, rgbMatch[1]))),
MathRound(MathMax(0, MathMin(255, rgbMatch[2]))),
MathRound(MathMax(0, MathMin(255, rgbMatch[3]))),
];
}
// deno-fmt-ignore
const hslMatch = StringPrototypeMatch(colorString, HSL_PATTERN);
if (hslMatch != null) {
// https://www.rapidtables.com/convert/color/hsl-to-rgb.html
let h = Number(hslMatch[1]) % 360;
if (h < 0) {
h += 360;
}
const s = MathMax(0, MathMin(100, hslMatch[2])) / 100;
const l = MathMax(0, MathMin(100, hslMatch[3])) / 100;
const c = (1 - MathAbs(2 * l - 1)) * s;
const x = c * (1 - MathAbs((h / 60) % 2 - 1));
const m = l - c / 2;
let r_;
let g_;
let b_;
if (h < 60) {
({ 0: r_, 1: g_, 2: b_ } = [c, x, 0]);
} else if (h < 120) {
({ 0: r_, 1: g_, 2: b_ } = [x, c, 0]);
} else if (h < 180) {
({ 0: r_, 1: g_, 2: b_ } = [0, c, x]);
} else if (h < 240) {
({ 0: r_, 1: g_, 2: b_ } = [0, x, c]);
} else if (h < 300) {
({ 0: r_, 1: g_, 2: b_ } = [x, 0, c]);
} else {
({ 0: r_, 1: g_, 2: b_ } = [c, 0, x]);
}
return [
MathRound((r_ + m) * 255),
MathRound((g_ + m) * 255),
MathRound((b_ + m) * 255),
];
}
return null;
}
function getDefaultCss() {
return {
backgroundColor: null,
color: null,
fontWeight: null,
fontStyle: null,
textDecorationColor: null,
textDecorationLine: [],
};
}
const SPACE_PATTERN = new SafeRegExp(/\s+/g);
function parseCss(cssString) {
const css = getDefaultCss();
const rawEntries = [];
let inValue = false;
let currentKey = null;
let parenthesesDepth = 0;
let currentPart = "";
for (let i = 0; i < cssString.length; i++) {
const c = cssString[i];
if (c == "(") {
parenthesesDepth++;
} else if (parenthesesDepth > 0) {
if (c == ")") {
parenthesesDepth--;
}
} else if (inValue) {
if (c == ";") {
const value = StringPrototypeTrim(currentPart);
if (value != "") {
ArrayPrototypePush(rawEntries, [currentKey, value]);
}
currentKey = null;
currentPart = "";
inValue = false;
continue;
}
} else if (c == ":") {
currentKey = StringPrototypeTrim(currentPart);
currentPart = "";
inValue = true;
continue;
}
currentPart += c;
}
if (inValue && parenthesesDepth == 0) {
const value = StringPrototypeTrim(currentPart);
if (value != "") {
ArrayPrototypePush(rawEntries, [currentKey, value]);
}
currentKey = null;
currentPart = "";
}
for (let i = 0; i < rawEntries.length; ++i) {
const { 0: key, 1: value } = rawEntries[i];
if (key == "background-color") {
if (value != null) {
css.backgroundColor = value;
}
} else if (key == "color") {
if (value != null) {
css.color = value;
}
} else if (key == "font-weight") {
if (value == "bold") {
css.fontWeight = value;
}
} else if (key == "font-style") {
if (
ArrayPrototypeIncludes(["italic", "oblique", "oblique 14deg"], value)
) {
css.fontStyle = "italic";
}
} else if (key == "text-decoration-line") {
css.textDecorationLine = [];
const lineTypes = StringPrototypeSplit(value, SPACE_PATTERN);
for (let i = 0; i < lineTypes.length; ++i) {
const lineType = lineTypes[i];
if (
ArrayPrototypeIncludes(
["line-through", "overline", "underline"],
lineType,
)
) {
ArrayPrototypePush(css.textDecorationLine, lineType);
}
}
} else if (key == "text-decoration-color") {
const color = parseCssColor(value);
if (color != null) {
css.textDecorationColor = color;
}
} else if (key == "text-decoration") {
css.textDecorationColor = null;
css.textDecorationLine = [];
const args = StringPrototypeSplit(value, SPACE_PATTERN);
for (let i = 0; i < args.length; ++i) {
const arg = args[i];
const maybeColor = parseCssColor(arg);
if (maybeColor != null) {
css.textDecorationColor = maybeColor;
} else if (
ArrayPrototypeIncludes(
["line-through", "overline", "underline"],
arg,
)
) {
ArrayPrototypePush(css.textDecorationLine, arg);
}
}
}
}
return css;
}
function colorEquals(color1, color2) {
return color1?.[0] == color2?.[0] && color1?.[1] == color2?.[1] &&
color1?.[2] == color2?.[2];
}
function cssToAnsi(css, prevCss = null) {
prevCss = prevCss ?? getDefaultCss();
let ansi = "";
if (!colorEquals(css.backgroundColor, prevCss.backgroundColor)) {
if (css.backgroundColor == null) {
ansi += "\x1b[49m";
} else if (css.backgroundColor == "black") {
ansi += `\x1b[40m`;
} else if (css.backgroundColor == "red") {
ansi += `\x1b[41m`;
} else if (css.backgroundColor == "green") {
ansi += `\x1b[42m`;
} else if (css.backgroundColor == "yellow") {
ansi += `\x1b[43m`;
} else if (css.backgroundColor == "blue") {
ansi += `\x1b[44m`;
} else if (css.backgroundColor == "magenta") {
ansi += `\x1b[45m`;
} else if (css.backgroundColor == "cyan") {
ansi += `\x1b[46m`;
} else if (css.backgroundColor == "white") {
ansi += `\x1b[47m`;
} else {
if (ArrayIsArray(css.backgroundColor)) {
const { 0: r, 1: g, 2: b } = css.backgroundColor;
ansi += `\x1b[48;2;${r};${g};${b}m`;
} else {
const parsed = parseCssColor(css.backgroundColor);
if (parsed !== null) {
const { 0: r, 1: g, 2: b } = parsed;
ansi += `\x1b[48;2;${r};${g};${b}m`;
} else {
ansi += "\x1b[49m";
}
}
}
}
if (!colorEquals(css.color, prevCss.color)) {
if (css.color == null) {
ansi += "\x1b[39m";
} else if (css.color == "black") {
ansi += `\x1b[30m`;
} else if (css.color == "red") {
ansi += `\x1b[31m`;
} else if (css.color == "green") {
ansi += `\x1b[32m`;
} else if (css.color == "yellow") {
ansi += `\x1b[33m`;
} else if (css.color == "blue") {
ansi += `\x1b[34m`;
} else if (css.color == "magenta") {
ansi += `\x1b[35m`;
} else if (css.color == "cyan") {
ansi += `\x1b[36m`;
} else if (css.color == "white") {
ansi += `\x1b[37m`;
} else {
if (ArrayIsArray(css.color)) {
const { 0: r, 1: g, 2: b } = css.color;
ansi += `\x1b[38;2;${r};${g};${b}m`;
} else {
const parsed = parseCssColor(css.color);
if (parsed !== null) {
const { 0: r, 1: g, 2: b } = parsed;
ansi += `\x1b[38;2;${r};${g};${b}m`;
} else {
ansi += "\x1b[39m";
}
}
}
}
if (css.fontWeight != prevCss.fontWeight) {
if (css.fontWeight == "bold") {
ansi += `\x1b[1m`;
} else {
ansi += "\x1b[22m";
}
}
if (css.fontStyle != prevCss.fontStyle) {
if (css.fontStyle == "italic") {
ansi += `\x1b[3m`;
} else {
ansi += "\x1b[23m";
}
}
if (!colorEquals(css.textDecorationColor, prevCss.textDecorationColor)) {
if (css.textDecorationColor != null) {
const { 0: r, 1: g, 2: b } = css.textDecorationColor;
ansi += `\x1b[58;2;${r};${g};${b}m`;
} else {
ansi += "\x1b[59m";
}
}
if (
ArrayPrototypeIncludes(css.textDecorationLine, "line-through") !=
ArrayPrototypeIncludes(prevCss.textDecorationLine, "line-through")
) {
if (ArrayPrototypeIncludes(css.textDecorationLine, "line-through")) {
ansi += "\x1b[9m";
} else {
ansi += "\x1b[29m";
}
}
if (
ArrayPrototypeIncludes(css.textDecorationLine, "overline") !=
ArrayPrototypeIncludes(prevCss.textDecorationLine, "overline")
) {
if (ArrayPrototypeIncludes(css.textDecorationLine, "overline")) {
ansi += "\x1b[53m";
} else {
ansi += "\x1b[55m";
}
}
if (
ArrayPrototypeIncludes(css.textDecorationLine, "underline") !=
ArrayPrototypeIncludes(prevCss.textDecorationLine, "underline")
) {
if (ArrayPrototypeIncludes(css.textDecorationLine, "underline")) {
ansi += "\x1b[4m";
} else {
ansi += "\x1b[24m";
}
}
return ansi;
}
function inspectArgs(args, inspectOptions = { __proto__: null }) {
const ctx = {
...getDefaultInspectOptions(),
colors: inspectOptions.colors ?? !noColorStdout(),
...inspectOptions,
};
if (inspectOptions.iterableLimit !== undefined) {
ctx.maxArrayLength = inspectOptions.iterableLimit;
}
if (inspectOptions.strAbbreviateSize !== undefined) {
ctx.maxStringLength = inspectOptions.strAbbreviateSize;
}
if (ctx.colors) ctx.stylize = createStylizeWithColor(styles, colors);
if (ctx.maxArrayLength === null) ctx.maxArrayLength = Infinity;
if (ctx.maxStringLength === null) ctx.maxStringLength = Infinity;
const noColor = !ctx.colors;
const first = args[0];
let a = 0;
let string = "";
if (typeof first == "string" && args.length > 1) {
a++;
// Index of the first not-yet-appended character. Use this so we only
// have to append to `string` when a substitution occurs / at the end.
let appendedChars = 0;
let usedStyle = false;
let prevCss = null;
for (let i = 0; i < first.length - 1; i++) {
if (first[i] == "%") {
const char = first[++i];
if (a < args.length) {
let formattedArg = null;
if (char == "s") {
// Format as a string.
formattedArg = String(args[a++]);
} else if (ArrayPrototypeIncludes(["d", "i"], char)) {
// Format as an integer.
const value = args[a++];
if (typeof value == "bigint") {
formattedArg = `${value}n`;
} else if (typeof value == "number") {
formattedArg = `${NumberParseInt(String(value))}`;
} else {
formattedArg = "NaN";
}
} else if (char == "f") {
// Format as a floating point value.
const value = args[a++];
if (typeof value == "number") {
formattedArg = `${value}`;
} else {
formattedArg = "NaN";
}
} else if (ArrayPrototypeIncludes(["O", "o"], char)) {
// Format as an object.
formattedArg = formatValue(ctx, args[a++], 0);
} else if (char == "c") {
const value = args[a++];
if (!noColor) {
const css = parseCss(value);
formattedArg = cssToAnsi(css, prevCss);
if (formattedArg != "") {
usedStyle = true;
prevCss = css;
}
} else {
formattedArg = "";
}
}
if (formattedArg != null) {
string += StringPrototypeSlice(first, appendedChars, i - 1) +
formattedArg;
appendedChars = i + 1;
}
}
if (char == "%") {
string += StringPrototypeSlice(first, appendedChars, i - 1) + "%";
appendedChars = i + 1;
}
}
}
string += StringPrototypeSlice(first, appendedChars);
if (usedStyle) {
string += "\x1b[0m";
}
}
for (; a < args.length; a++) {
if (a > 0) {
string += " ";
}
if (typeof args[a] == "string") {
string += args[a];
} else {
// Use default maximum depth for null or undefined arguments.
string += formatValue(ctx, args[a], 0);
}
}
if (ctx.indentLevel > 0) {
const groupIndent = StringPrototypeRepeat(
DEFAULT_INDENT,
ctx.indentLevel,
);
string = groupIndent +
StringPrototypeReplaceAll(string, "\n", `\n${groupIndent}`);
}
return string;
}
function createStylizeWithColor(styles, colors) {
return function stylizeWithColor(str, styleType) {
const style = styles[styleType];
if (style !== undefined) {
const color = colors[style];
if (color !== undefined) {
return `\u001b[${color[0]}m${str}\u001b[${color[1]}m`;
}
}
return str;
};
}
const countMap = new SafeMap();
const timerMap = new SafeMap();
const isConsoleInstance = Symbol("isConsoleInstance");
/** @param noColor {boolean} */
function getConsoleInspectOptions(noColor) {
return {
...getDefaultInspectOptions(),
colors: !noColor,
stylize: noColor ? stylizeNoColor : createStylizeWithColor(styles, colors),
};
}
class Console {
#printFunc = null;
[isConsoleInstance] = false;
constructor(printFunc) {
this.#printFunc = printFunc;
this.indentLevel = 0;
this[isConsoleInstance] = true;
// ref https://console.spec.whatwg.org/#console-namespace
// For historical web-compatibility reasons, the namespace object for
// console must have as its [[Prototype]] an empty object, created as if
// by ObjectCreate(%ObjectPrototype%), instead of %ObjectPrototype%.
const console = ObjectCreate({}, {
[SymbolToStringTag]: {
enumerable: false,
writable: false,
configurable: true,
value: "console",
},
});
ObjectAssign(console, this);
return console;
}
log = (...args) => {
this.#printFunc(
inspectArgs(args, {
...getConsoleInspectOptions(noColorStdout()),
indentLevel: this.indentLevel,
}) + "\n",
1,
);
};
debug = (...args) => {
this.#printFunc(
inspectArgs(args, {
...getConsoleInspectOptions(noColorStdout()),
indentLevel: this.indentLevel,
}) + "\n",
0,
);
};
info = (...args) => {
this.#printFunc(
inspectArgs(args, {
...getConsoleInspectOptions(noColorStdout()),
indentLevel: this.indentLevel,
}) + "\n",
1,
);
};
dir = (obj = undefined, options = { __proto__: null }) => {
this.#printFunc(
inspectArgs([obj], {
...getConsoleInspectOptions(noColorStdout()),
...options,
}) + "\n",
1,
);
};
dirxml = this.dir;
warn = (...args) => {
this.#printFunc(
inspectArgs(args, {
...getConsoleInspectOptions(noColorStderr()),
indentLevel: this.indentLevel,
}) + "\n",
2,
);
};
error = (...args) => {
this.#printFunc(
inspectArgs(args, {
...getConsoleInspectOptions(noColorStderr()),
indentLevel: this.indentLevel,
}) + "\n",
3,
);
};
assert = (condition = false, ...args) => {
if (condition) {
return;
}
if (args.length === 0) {
this.error("Assertion failed");
return;
}
const [first, ...rest] = new SafeArrayIterator(args);
if (typeof first === "string") {
this.error(
`Assertion failed: ${first}`,
...new SafeArrayIterator(rest),
);
return;
}
this.error(`Assertion failed:`, ...new SafeArrayIterator(args));
};
count = (label = "default") => {
label = String(label);
if (MapPrototypeHas(countMap, label)) {
const current = MapPrototypeGet(countMap, label) || 0;
MapPrototypeSet(countMap, label, current + 1);
} else {
MapPrototypeSet(countMap, label, 1);
}
this.info(`${label}: ${MapPrototypeGet(countMap, label)}`);
};
countReset = (label = "default") => {
label = String(label);
if (MapPrototypeHas(countMap, label)) {
MapPrototypeSet(countMap, label, 0);
} else {
this.warn(`Count for '${label}' does not exist`);
}
};
table = (data = undefined, properties = undefined) => {
if (properties !== undefined && !ArrayIsArray(properties)) {
throw new Error(
"The 'properties' argument must be of type Array. " +
"Received type " + typeof properties,
);
}
if (data === null || typeof data !== "object") {
return this.log(data);
}
const stringifyValue = (value) =>
inspectValueWithQuotes(value, {
...getDefaultInspectOptions(),
depth: 1,
compact: true,
});
const toTable = (header, body) => this.log(cliTable(header, body));
let resultData;
const isSetObject = isSet(data);
const isMapObject = isMap(data);
const valuesKey = "Values";
const indexKey = isSetObject || isMapObject ? "(iter idx)" : "(idx)";
if (isSetObject) {
resultData = [...new SafeSetIterator(data)];
} else if (isMapObject) {
let idx = 0;
resultData = { __proto__: null };
MapPrototypeForEach(data, (v, k) => {
resultData[idx] = { Key: k, Values: v };
idx++;
});
} else {
resultData = data;
}
const keys = ObjectKeys(resultData);
const numRows = keys.length;
const objectValues = properties
? ObjectFromEntries(
ArrayPrototypeMap(
properties,
(name) => [name, ArrayPrototypeFill(new Array(numRows), "")],
),
)
: {};
const indexKeys = [];
const values = [];
let hasPrimitives = false;
ArrayPrototypeForEach(keys, (k, idx) => {
const value = resultData[k];
const primitive = value === null ||
(typeof value !== "function" && typeof value !== "object");
if (properties === undefined && primitive) {
hasPrimitives = true;
ArrayPrototypePush(values, stringifyValue(value));
} else {
const valueObj = value || {};
const keys = properties || ObjectKeys(valueObj);
for (let i = 0; i < keys.length; ++i) {
const k = keys[i];
if (!primitive && ReflectHas(valueObj, k)) {
if (!(ReflectHas(objectValues, k))) {
objectValues[k] = ArrayPrototypeFill(new Array(numRows), "");
}
objectValues[k][idx] = stringifyValue(valueObj[k]);
}
}
ArrayPrototypePush(values, "");
}
ArrayPrototypePush(indexKeys, k);
});
const headerKeys = ObjectKeys(objectValues);
const bodyValues = ObjectValues(objectValues);
const headerProps = properties ||
[
...new SafeArrayIterator(headerKeys),
!isMapObject && hasPrimitives && valuesKey,
];
const header = ArrayPrototypeFilter([
indexKey,
...new SafeArrayIterator(headerProps),
], Boolean);
const body = [indexKeys, ...new SafeArrayIterator(bodyValues), values];
toTable(header, body);
};
time = (label = "default") => {
label = String(label);
if (MapPrototypeHas(timerMap, label)) {
this.warn(`Timer '${label}' already exists`);
return;
}
MapPrototypeSet(timerMap, label, DateNow());
};
timeLog = (label = "default", ...args) => {
label = String(label);
if (!MapPrototypeHas(timerMap, label)) {
this.warn(`Timer '${label}' does not exist`);
return;
}
const startTime = MapPrototypeGet(timerMap, label);
const duration = DateNow() - startTime;
this.info(`${label}: ${duration}ms`, ...new SafeArrayIterator(args));
};
timeEnd = (label = "default") => {
label = String(label);
if (!MapPrototypeHas(timerMap, label)) {
this.warn(`Timer '${label}' does not exist`);
return;
}
const startTime = MapPrototypeGet(timerMap, label);
MapPrototypeDelete(timerMap, label);
const duration = DateNow() - startTime;
this.info(`${label}: ${duration}ms`);
};
group = (...label) => {
if (label.length > 0) {
this.log(...new SafeArrayIterator(label));
}
this.indentLevel += 2;
};
groupCollapsed = this.group;
groupEnd = () => {
if (this.indentLevel > 0) {
this.indentLevel -= 2;
}
};
clear = () => {
this.indentLevel = 0;
this.#printFunc(CSI.kClear, 1);
this.#printFunc(CSI.kClearScreenDown, 1);
};
trace = (...args) => {
const message = inspectArgs(
args,
{
...getConsoleInspectOptions(noColorStderr()),
indentLevel: 0,
},
);
const err = {
name: "Trace",
message,
};
ErrorCaptureStackTrace(err, this.trace);
this.error(err.stack);
};
// These methods are noops, but when the inspector is connected, they
// call into V8.
profile = (_label) => {};
profileEnd = (_label) => {};
timeStamp = (_label) => {};
static [SymbolHasInstance](instance) {
return instance[isConsoleInstance];
}
}
const customInspect = SymbolFor("Deno.customInspect");
function inspect(
value,
inspectOptions = { __proto__: null },
) {
// Default options
const ctx = {
...getDefaultInspectOptions(),
...inspectOptions,
};
if (inspectOptions.iterableLimit !== undefined) {
ctx.maxArrayLength = inspectOptions.iterableLimit;
}
if (inspectOptions.strAbbreviateSize !== undefined) {
ctx.maxStringLength = inspectOptions.strAbbreviateSize;
}
if (ctx.colors) ctx.stylize = createStylizeWithColor(styles, colors);
if (ctx.maxArrayLength === null) ctx.maxArrayLength = Infinity;
if (ctx.maxStringLength === null) ctx.maxStringLength = Infinity;
return formatValue(ctx, value, 0);
}
/** Creates a proxy that represents a subset of the properties
* of the original object optionally without evaluating the properties
* in order to get the values. */
function createFilteredInspectProxy({ object, keys, evaluate }) {
const obj = class {};
if (object.constructor?.name) {
ObjectDefineProperty(obj, "name", { value: object.constructor.name });
}
return new Proxy(new obj(), {
get(_target, key) {
if (key === SymbolToStringTag) {
return object.constructor?.name;
} else if (ArrayPrototypeIncludes(keys, key)) {
return ReflectGet(object, key);
} else {
return undefined;
}
},
getOwnPropertyDescriptor(_target, key) {
if (!ArrayPrototypeIncludes(keys, key)) {
return undefined;
} else if (evaluate) {
return getEvaluatedDescriptor(object, key);
} else {
return getDescendantPropertyDescriptor(object, key) ??
getEvaluatedDescriptor(object, key);
}
},
has(_target, key) {
return ArrayPrototypeIncludes(keys, key);
},
ownKeys() {
return keys;
},
});
function getDescendantPropertyDescriptor(object, key) {
let propertyDescriptor = ReflectGetOwnPropertyDescriptor(object, key);
if (!propertyDescriptor) {
const prototype = ReflectGetPrototypeOf(object);
if (prototype) {
propertyDescriptor = getDescendantPropertyDescriptor(prototype, key);
}
}
return propertyDescriptor;
}
function getEvaluatedDescriptor(object, key) {
return {
configurable: true,
enumerable: true,
value: object[key],
};
}
}
// Expose these fields to internalObject for tests.
internals.Console = Console;
internals.cssToAnsi = cssToAnsi;
internals.inspectArgs = inspectArgs;
internals.parseCss = parseCss;
internals.parseCssColor = parseCssColor;
export {
colors,
Console,
createFilteredInspectProxy,
createStylizeWithColor,
CSI,
customInspect,
formatBigInt,
formatNumber,
formatValue,
getDefaultInspectOptions,
getStderrNoColor,
getStdoutNoColor,
inspect,
inspectArgs,
quoteString,
setNoColorFns,
styles,
};