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denoland-deno/ext/console/02_console.js

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67 KiB
JavaScript

// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
/// <reference path="../../core/internal.d.ts" />
const core = globalThis.Deno.core;
const internals = globalThis.__bootstrap.internals;
const primordials = globalThis.__bootstrap.primordials;
const {
AggregateErrorPrototype,
ArrayPrototypeUnshift,
isNaN,
DatePrototype,
DateNow,
DatePrototypeGetTime,
DatePrototypeToISOString,
Boolean,
BooleanPrototype,
BooleanPrototypeToString,
ObjectKeys,
ObjectAssign,
ObjectCreate,
ObjectFreeze,
ObjectIs,
ObjectValues,
ObjectFromEntries,
ObjectGetPrototypeOf,
ObjectGetOwnPropertyDescriptor,
ObjectGetOwnPropertySymbols,
ObjectPrototypeHasOwnProperty,
ObjectPrototypeIsPrototypeOf,
ObjectPrototypePropertyIsEnumerable,
PromisePrototype,
String,
StringPrototype,
StringPrototypeRepeat,
StringPrototypeReplace,
StringPrototypeReplaceAll,
StringPrototypeSplit,
StringPrototypeSlice,
StringPrototypeCodePointAt,
StringPrototypeCharCodeAt,
StringPrototypeNormalize,
StringPrototypeMatch,
StringPrototypePadStart,
StringPrototypeLocaleCompare,
StringPrototypeToString,
StringPrototypeTrim,
StringPrototypeIncludes,
StringPrototypeStartsWith,
TypeError,
NumberIsInteger,
NumberParseInt,
RegExpPrototype,
RegExpPrototypeTest,
RegExpPrototypeToString,
SafeArrayIterator,
SafeMap,
SafeStringIterator,
SafeSetIterator,
SafeRegExp,
SetPrototype,
SetPrototypeEntries,
SetPrototypeGetSize,
Symbol,
SymbolPrototype,
SymbolPrototypeToString,
SymbolPrototypeValueOf,
SymbolPrototypeGetDescription,
SymbolToStringTag,
SymbolHasInstance,
SymbolFor,
Array,
ArrayIsArray,
ArrayPrototypeJoin,
ArrayPrototypeMap,
ArrayPrototypeReduce,
ArrayPrototypeEntries,
ArrayPrototypePush,
ArrayPrototypePop,
ArrayPrototypeSort,
ArrayPrototypeSlice,
ArrayPrototypeShift,
ArrayPrototypeIncludes,
ArrayPrototypeFill,
ArrayPrototypeFilter,
ArrayPrototypeFind,
FunctionPrototypeBind,
FunctionPrototypeToString,
MapPrototype,
MapPrototypeHas,
MapPrototypeGet,
MapPrototypeSet,
MapPrototypeDelete,
MapPrototypeEntries,
MapPrototypeForEach,
MapPrototypeGetSize,
Error,
ErrorPrototype,
ErrorCaptureStackTrace,
MathAbs,
MathMax,
MathMin,
MathSqrt,
MathRound,
MathFloor,
Number,
NumberPrototype,
NumberPrototypeToString,
NumberPrototypeValueOf,
BigIntPrototype,
BigIntPrototypeToString,
Proxy,
ReflectGet,
ReflectGetOwnPropertyDescriptor,
ReflectGetPrototypeOf,
ReflectHas,
TypedArrayPrototypeGetLength,
TypedArrayPrototypeGetSymbolToStringTag,
WeakMapPrototype,
WeakSetPrototype,
} = primordials;
import * as colors from "ext:deno_console/01_colors.js";
function isInvalidDate(x) {
return isNaN(DatePrototypeGetTime(x));
}
function hasOwnProperty(obj, v) {
if (obj == null) {
return false;
}
return ObjectPrototypeHasOwnProperty(obj, v);
}
function propertyIsEnumerable(obj, prop) {
if (
obj == null ||
typeof obj.propertyIsEnumerable !== "function"
) {
return false;
}
return ObjectPrototypePropertyIsEnumerable(obj, prop);
}
// Copyright Joyent, Inc. and other Node contributors. MIT license.
// Forked from Node's lib/internal/cli_table.js
function isTypedArray(x) {
return TypedArrayPrototypeGetSymbolToStringTag(x) !== undefined;
}
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 getStringWidth(str) {
str = StringPrototypeNormalize(colors.stripColor(str), "NFC");
let width = 0;
for (const ch of new SafeStringIterator(str)) {
width += isFullWidthCodePoint(StringPrototypeCodePointAt(ch, 0)) ? 2 : 1;
}
return width;
}
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 = new Array(columnWidths.length).fill(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 QUOTES = ['"', "'", "`"];
const DEFAULT_INSPECT_OPTIONS = {
depth: 4,
indentLevel: 0,
sorted: false,
trailingComma: false,
compact: true,
iterableLimit: 100,
showProxy: false,
colors: false,
getters: false,
showHidden: false,
strAbbreviateSize: 100,
/** 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: QUOTES,
};
const DEFAULT_INDENT = " "; // Default indent string
const LINE_BREAKING_LENGTH = 80;
const MIN_GROUP_LENGTH = 6;
const STR_ABBREVIATE_SIZE = 100;
const PROMISE_STRING_BASE_LENGTH = 12;
class CSI {
static kClear = "\x1b[1;1H";
static kClearScreenDown = "\x1b[0J";
}
function getClassInstanceName(instance) {
if (typeof instance != "object") {
return "";
}
const constructor = instance?.constructor;
if (typeof constructor == "function") {
return constructor.name ?? "";
}
return "";
}
function maybeColor(fn, inspectOptions) {
return inspectOptions.colors ? fn : (s) => s;
}
function inspectFunction(value, inspectOptions) {
const cyan = maybeColor(colors.cyan, inspectOptions);
if (
ReflectHas(value, customInspect) &&
typeof value[customInspect] === "function"
) {
return String(value[customInspect](inspect, inspectOptions));
}
// Might be Function/AsyncFunction/GeneratorFunction/AsyncGeneratorFunction
let cstrName = ObjectGetPrototypeOf(value)?.constructor?.name;
if (!cstrName) {
// If prototype is removed or broken,
// use generic 'Function' instead.
cstrName = "Function";
}
const stringValue = FunctionPrototypeToString(value);
// Might be Class
if (StringPrototypeStartsWith(stringValue, "class")) {
cstrName = "Class";
}
// Our function may have properties, so we want to format those
// as if our function was an object
// If we didn't find any properties, we will just append an
// empty suffix.
let suffix = ``;
let refStr = "";
if (
ObjectKeys(value).length > 0 ||
ObjectGetOwnPropertySymbols(value).length > 0
) {
const { 0: propString, 1: refIndex } = inspectRawObject(
value,
inspectOptions,
);
refStr = refIndex;
// Filter out the empty string for the case we only have
// non-enumerable symbols.
if (
propString.length > 0 &&
propString !== "{}"
) {
suffix = ` ${propString}`;
}
}
if (value.name && value.name !== "anonymous") {
// from MDN spec
return cyan(`${refStr}[${cstrName}: ${value.name}]`) + suffix;
}
return cyan(`${refStr}[${cstrName} (anonymous)]`) + suffix;
}
function inspectIterable(
value,
options,
inspectOptions,
) {
const cyan = maybeColor(colors.cyan, inspectOptions);
if (inspectOptions.indentLevel >= inspectOptions.depth) {
return cyan(`[${options.typeName}]`);
}
const entries = [];
let iter;
let valueIsTypedArray = false;
let entriesLength;
switch (options.typeName) {
case "Map":
iter = MapPrototypeEntries(value);
entriesLength = MapPrototypeGetSize(value);
break;
case "Set":
iter = SetPrototypeEntries(value);
entriesLength = SetPrototypeGetSize(value);
break;
case "Array":
entriesLength = value.length;
break;
default:
if (isTypedArray(value)) {
entriesLength = TypedArrayPrototypeGetLength(value);
iter = ArrayPrototypeEntries(value);
valueIsTypedArray = true;
} else {
throw new TypeError("unreachable");
}
}
let entriesLengthWithoutEmptyItems = entriesLength;
if (options.typeName === "Array") {
for (
let i = 0, j = 0;
i < entriesLength && j < inspectOptions.iterableLimit;
i++, j++
) {
inspectOptions.indentLevel++;
const { entry, skipTo } = options.entryHandler(
[i, value[i]],
inspectOptions,
);
ArrayPrototypePush(entries, entry);
inspectOptions.indentLevel--;
if (skipTo) {
// subtract skipped (empty) items
entriesLengthWithoutEmptyItems -= skipTo - i;
i = skipTo;
}
}
} else {
let i = 0;
while (true) {
let el;
try {
const res = iter.next();
if (res.done) {
break;
}
el = res.value;
} catch (err) {
if (valueIsTypedArray) {
// TypedArray.prototype.entries doesn't throw, unless the ArrayBuffer
// is detached. We don't want to show the exception in that case, so
// we catch it here and pretend the ArrayBuffer has no entries (like
// Chrome DevTools does).
break;
}
throw err;
}
if (i < inspectOptions.iterableLimit) {
inspectOptions.indentLevel++;
ArrayPrototypePush(
entries,
options.entryHandler(
el,
inspectOptions,
),
);
inspectOptions.indentLevel--;
} else {
break;
}
i++;
}
}
if (options.sort) {
ArrayPrototypeSort(entries);
}
if (entriesLengthWithoutEmptyItems > inspectOptions.iterableLimit) {
const nmore = entriesLengthWithoutEmptyItems -
inspectOptions.iterableLimit;
ArrayPrototypePush(entries, `... ${nmore} more items`);
}
const iPrefix = `${options.displayName ? options.displayName + " " : ""}`;
const level = inspectOptions.indentLevel;
const initIndentation = `\n${
StringPrototypeRepeat(DEFAULT_INDENT, level + 1)
}`;
const entryIndentation = `,\n${
StringPrototypeRepeat(DEFAULT_INDENT, level + 1)
}`;
const closingDelimIndentation = StringPrototypeRepeat(
DEFAULT_INDENT,
level,
);
const closingIndentation = `${
inspectOptions.trailingComma ? "," : ""
}\n${closingDelimIndentation}`;
let iContent;
if (entries.length === 0 && !inspectOptions.compact) {
iContent = `\n${closingDelimIndentation}`;
} else if (options.group && entries.length > MIN_GROUP_LENGTH) {
const groups = groupEntries(entries, level, value);
iContent = `${initIndentation}${
ArrayPrototypeJoin(groups, entryIndentation)
}${closingIndentation}`;
} else {
iContent = entries.length === 0
? ""
: ` ${ArrayPrototypeJoin(entries, ", ")} `;
if (
colors.stripColor(iContent).length > LINE_BREAKING_LENGTH ||
!inspectOptions.compact
) {
iContent = `${initIndentation}${
ArrayPrototypeJoin(entries, entryIndentation)
}${closingIndentation}`;
}
}
return `${iPrefix}${options.delims[0]}${iContent}${options.delims[1]}`;
}
// Ported from Node.js
// Copyright Node.js contributors. All rights reserved.
function groupEntries(
entries,
level,
value,
iterableLimit = 100,
) {
let totalLength = 0;
let maxLength = 0;
let entriesLength = entries.length;
if (iterableLimit < entriesLength) {
// This makes sure the "... n more items" part is not taken into account.
entriesLength--;
}
const separatorSpace = 2; // Add 1 for the space and 1 for the separator.
const dataLen = new Array(entriesLength);
// Calculate the total length of all output entries and the individual max
// entries length of all output entries.
// IN PROGRESS: Colors are being taken into account.
for (let i = 0; i < entriesLength; i++) {
// Taking colors into account: removing the ANSI color
// codes from the string before measuring its length
const len = colors.stripColor(entries[i]).length;
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 + (level + 1) < LINE_BREAKING_LENGTH &&
(totalLength / actualMax > 5 || maxLength <= 6)
) {
const approxCharHeights = 2.5;
const averageBias = MathSqrt(actualMax - totalLength / entries.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 * entriesLength) / biasedMax,
),
// Do not exceed the breakLength.
MathFloor((LINE_BREAKING_LENGTH - (level + 1)) / actualMax),
// Limit the columns to a maximum of fifteen.
15,
);
// Return with the original output if no grouping should happen.
if (columns <= 1) {
return entries;
}
const tmp = [];
const maxLineLength = [];
for (let i = 0; i < columns; i++) {
let lineMaxLength = 0;
for (let j = i; j < entries.length; j += columns) {
if (dataLen[j] > lineMaxLength) lineMaxLength = dataLen[j];
}
lineMaxLength += separatorSpace;
maxLineLength[i] = lineMaxLength;
}
let order = "padStart";
if (value !== undefined) {
for (let i = 0; i < entries.length; i++) {
if (
typeof value[i] !== "number" &&
typeof value[i] !== "bigint"
) {
order = "padEnd";
break;
}
}
}
// Each iteration creates a single line of grouped entries.
for (let i = 0; i < entriesLength; i += columns) {
// The last lines may contain less entries than columns.
const max = MathMin(i + columns, entriesLength);
let str = "";
let j = i;
for (; j < max - 1; j++) {
const lengthOfColorCodes = entries[j].length - dataLen[j];
const padding = maxLineLength[j - i] + lengthOfColorCodes;
str += `${entries[j]}, `[order](padding, " ");
}
if (order === "padStart") {
const lengthOfColorCodes = entries[j].length - dataLen[j];
const padding = maxLineLength[j - i] +
lengthOfColorCodes -
separatorSpace;
str += StringPrototypePadStart(entries[j], padding, " ");
} else {
str += entries[j];
}
ArrayPrototypePush(tmp, str);
}
if (iterableLimit < entries.length) {
ArrayPrototypePush(tmp, entries[entriesLength]);
}
entries = tmp;
}
return entries;
}
let circular;
function handleCircular(value, cyan) {
let index = 1;
if (circular === undefined) {
circular = new SafeMap();
MapPrototypeSet(circular, value, index);
} else {
index = MapPrototypeGet(circular, value);
if (index === undefined) {
index = MapPrototypeGetSize(circular) + 1;
MapPrototypeSet(circular, value, index);
}
}
// Circular string is cyan
return cyan(`[Circular *${index}]`);
}
function _inspectValue(
value,
inspectOptions,
) {
const proxyDetails = core.getProxyDetails(value);
if (proxyDetails != null && inspectOptions.showProxy) {
return inspectProxy(proxyDetails, inspectOptions);
}
const green = maybeColor(colors.green, inspectOptions);
const yellow = maybeColor(colors.yellow, inspectOptions);
const gray = maybeColor(colors.gray, inspectOptions);
const cyan = maybeColor(colors.cyan, inspectOptions);
const bold = maybeColor(colors.bold, inspectOptions);
const red = maybeColor(colors.red, inspectOptions);
switch (typeof value) {
case "string":
return green(quoteString(value, inspectOptions));
case "number": // Numbers are yellow
// Special handling of -0
return yellow(ObjectIs(value, -0) ? "-0" : `${value}`);
case "boolean": // booleans are yellow
return yellow(String(value));
case "undefined": // undefined is gray
return gray(String(value));
case "symbol": // Symbols are green
return green(maybeQuoteSymbol(value, inspectOptions));
case "bigint": // Bigints are yellow
return yellow(`${value}n`);
case "function": // Function string is cyan
if (ctxHas(value)) {
// Circular string is cyan
return handleCircular(value, cyan);
}
return inspectFunction(value, inspectOptions);
case "object": // null is bold
if (value === null) {
return bold("null");
}
if (ctxHas(value)) {
return handleCircular(value, cyan);
}
return inspectObject(
value,
inspectOptions,
proxyDetails,
);
default:
// Not implemented is red
return red("[Not Implemented]");
}
}
function inspectValue(
value,
inspectOptions,
) {
ArrayPrototypePush(CTX_STACK, value);
let x;
try {
x = _inspectValue(value, inspectOptions);
} finally {
ArrayPrototypePop(CTX_STACK);
}
return x;
}
/** 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, inspectOptions = DEFAULT_INSPECT_OPTIONS) {
const quotes = inspectOptions.quotes;
const quote =
ArrayPrototypeFind(quotes, (c) => !StringPrototypeIncludes(string, c)) ??
quotes[0];
const escapePattern = new SafeRegExp(`(?=[${quote}\\\\])`, "g");
string = StringPrototypeReplace(string, escapePattern, "\\");
string = replaceEscapeSequences(string);
return `${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",
});
// deno-lint-ignore no-control-regex
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],
),
new SafeRegExp(ESCAPE_PATTERN2),
(c) =>
"\\x" +
StringPrototypePadStart(
NumberPrototypeToString(StringPrototypeCharCodeAt(c, 0), 16),
2,
"0",
),
);
}
const QUOTE_STRING_PATTERN = new SafeRegExp(/^[a-zA-Z_][a-zA-Z_0-9]*$/);
// Surround a string with quotes when it is required (e.g the string not a valid identifier).
function maybeQuoteString(string, inspectOptions) {
if (
RegExpPrototypeTest(QUOTE_STRING_PATTERN, string)
) {
return replaceEscapeSequences(string);
}
return quoteString(string, inspectOptions);
}
const QUOTE_SYMBOL_REG = new SafeRegExp(/^[a-zA-Z_][a-zA-Z_.0-9]*$/);
// Surround a symbol's description in quotes when it is required (e.g the description has non printable characters).
function maybeQuoteSymbol(symbol, inspectOptions) {
const description = SymbolPrototypeGetDescription(symbol);
if (description === undefined) {
return SymbolPrototypeToString(symbol);
}
if (RegExpPrototypeTest(QUOTE_SYMBOL_REG, description)) {
return SymbolPrototypeToString(symbol);
}
return `Symbol(${quoteString(description, inspectOptions)})`;
}
const CTX_STACK = [];
function ctxHas(x) {
// Only check parent contexts
return ArrayPrototypeIncludes(
ArrayPrototypeSlice(CTX_STACK, 0, CTX_STACK.length - 1),
x,
);
}
// Print strings when they are inside of arrays or objects with quotes
function inspectValueWithQuotes(
value,
inspectOptions,
) {
const abbreviateSize = typeof inspectOptions.strAbbreviateSize === "undefined"
? STR_ABBREVIATE_SIZE
: inspectOptions.strAbbreviateSize;
const green = maybeColor(colors.green, inspectOptions);
switch (typeof value) {
case "string": {
const trunc = value.length > abbreviateSize
? StringPrototypeSlice(value, 0, abbreviateSize) + "..."
: value;
return green(quoteString(trunc, inspectOptions)); // Quoted strings are green
}
default:
return inspectValue(value, inspectOptions);
}
}
function inspectArray(
value,
inspectOptions,
) {
const gray = maybeColor(colors.gray, inspectOptions);
let lastValidIndex = 0;
let keys;
const options = {
typeName: "Array",
displayName: "",
delims: ["[", "]"],
entryHandler: (entry, inspectOptions) => {
const { 0: index, 1: val } = entry;
let i = index;
lastValidIndex = index;
if (!ObjectPrototypeHasOwnProperty(value, i)) {
let skipTo;
keys = keys || ObjectKeys(value);
i = value.length;
if (keys.length === 0) {
// fast path, all items are empty
skipTo = i;
} else {
// Not all indexes are empty or there's a non-index property
// Find first non-empty array index
while (keys.length) {
const key = ArrayPrototypeShift(keys);
// check if it's a valid array index
if (key > lastValidIndex && key < 2 ** 32 - 1) {
i = Number(key);
break;
}
}
skipTo = i - 1;
}
const emptyItems = i - index;
const ending = emptyItems > 1 ? "s" : "";
return {
entry: gray(`<${emptyItems} empty item${ending}>`),
skipTo,
};
} else {
return { entry: inspectValueWithQuotes(val, inspectOptions) };
}
},
group: inspectOptions.compact,
sort: false,
};
return inspectIterable(value, options, inspectOptions);
}
function inspectTypedArray(
typedArrayName,
value,
inspectOptions,
) {
const valueLength = value.length;
const options = {
typeName: typedArrayName,
displayName: `${typedArrayName}(${valueLength})`,
delims: ["[", "]"],
entryHandler: (entry, inspectOptions) => {
const val = entry[1];
inspectOptions.indentLevel++;
const inspectedValue = inspectValueWithQuotes(val, inspectOptions);
inspectOptions.indentLevel--;
return inspectedValue;
},
group: inspectOptions.compact,
sort: false,
};
return inspectIterable(value, options, inspectOptions);
}
function inspectSet(
value,
inspectOptions,
) {
const options = {
typeName: "Set",
displayName: "Set",
delims: ["{", "}"],
entryHandler: (entry, inspectOptions) => {
const val = entry[1];
inspectOptions.indentLevel++;
const inspectedValue = inspectValueWithQuotes(val, inspectOptions);
inspectOptions.indentLevel--;
return inspectedValue;
},
group: false,
sort: inspectOptions.sorted,
};
return inspectIterable(value, options, inspectOptions);
}
function inspectMap(
value,
inspectOptions,
) {
const options = {
typeName: "Map",
displayName: "Map",
delims: ["{", "}"],
entryHandler: (entry, inspectOptions) => {
const { 0: key, 1: val } = entry;
inspectOptions.indentLevel++;
const inspectedValue = `${
inspectValueWithQuotes(key, inspectOptions)
} => ${inspectValueWithQuotes(val, inspectOptions)}`;
inspectOptions.indentLevel--;
return inspectedValue;
},
group: false,
sort: inspectOptions.sorted,
};
return inspectIterable(
value,
options,
inspectOptions,
);
}
function inspectWeakSet(inspectOptions) {
const cyan = maybeColor(colors.cyan, inspectOptions);
return `WeakSet { ${cyan("[items unknown]")} }`; // as seen in Node, with cyan color
}
function inspectWeakMap(inspectOptions) {
const cyan = maybeColor(colors.cyan, inspectOptions);
return `WeakMap { ${cyan("[items unknown]")} }`; // as seen in Node, with cyan color
}
function inspectDate(value, inspectOptions) {
// without quotes, ISO format, in magenta like before
const magenta = maybeColor(colors.magenta, inspectOptions);
return magenta(
isInvalidDate(value) ? "Invalid Date" : DatePrototypeToISOString(value),
);
}
function inspectRegExp(value, inspectOptions) {
const red = maybeColor(colors.red, inspectOptions);
return red(RegExpPrototypeToString(value)); // RegExps are red
}
const AGGREGATE_ERROR_HAS_AT_PATTERN = new SafeRegExp(/\s+at/);
const AGGREGATE_ERROR_NOT_EMPTY_LINE_PATTERN = new SafeRegExp(/^(?!\s*$)/gm);
function inspectError(value, cyan) {
const causes = [value];
let err = value;
while (err.cause) {
if (ArrayPrototypeIncludes(causes, err.cause)) {
ArrayPrototypePush(causes, handleCircular(err.cause, cyan));
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 (circular !== undefined) {
const index = MapPrototypeGet(circular, cause);
if (index !== undefined) {
MapPrototypeSet(refMap, cause, cyan(`<ref *${index}> `));
}
}
}
ArrayPrototypeShift(causes);
let finalMessage = MapPrototypeGet(refMap, value) ?? "";
if (ObjectPrototypeIsPrototypeOf(AggregateErrorPrototype, value)) {
const stackLines = StringPrototypeSplit(value.stack, "\n");
while (true) {
const line = ArrayPrototypeShift(stackLines);
if (RegExpPrototypeTest(AGGREGATE_ERROR_HAS_AT_PATTERN, line)) {
ArrayPrototypeUnshift(stackLines, line);
break;
} else if (typeof line === "undefined") {
break;
}
finalMessage += line;
finalMessage += "\n";
}
const aggregateMessage = ArrayPrototypeJoin(
ArrayPrototypeMap(
value.errors,
(error) =>
StringPrototypeReplace(
inspectArgs([error]),
AGGREGATE_ERROR_NOT_EMPTY_LINE_PATTERN,
StringPrototypeRepeat(" ", 4),
),
),
"\n",
);
finalMessage += aggregateMessage;
finalMessage += "\n";
finalMessage += ArrayPrototypeJoin(stackLines, "\n");
} else {
finalMessage += value.stack;
}
finalMessage += ArrayPrototypeJoin(
ArrayPrototypeMap(
causes,
(cause) =>
"\nCaused by " + (MapPrototypeGet(refMap, cause) ?? "") +
(cause?.stack ?? cause),
),
"",
);
return finalMessage;
}
function inspectStringObject(value, inspectOptions) {
const cyan = maybeColor(colors.cyan, inspectOptions);
return cyan(`[String: "${StringPrototypeToString(value)}"]`); // wrappers are in cyan
}
function inspectBooleanObject(value, inspectOptions) {
const cyan = maybeColor(colors.cyan, inspectOptions);
return cyan(`[Boolean: ${BooleanPrototypeToString(value)}]`); // wrappers are in cyan
}
function inspectNumberObject(value, inspectOptions) {
const cyan = maybeColor(colors.cyan, inspectOptions);
// Special handling of -0
return cyan(
`[Number: ${
ObjectIs(NumberPrototypeValueOf(value), -0)
? "-0"
: NumberPrototypeToString(value)
}]`,
); // wrappers are in cyan
}
function inspectBigIntObject(value, inspectOptions) {
const cyan = maybeColor(colors.cyan, inspectOptions);
return cyan(`[BigInt: ${BigIntPrototypeToString(value)}n]`); // wrappers are in cyan
}
function inspectSymbolObject(value, inspectOptions) {
const cyan = maybeColor(colors.cyan, inspectOptions);
return cyan(
`[Symbol: ${
maybeQuoteSymbol(SymbolPrototypeValueOf(value), inspectOptions)
}]`,
); // wrappers are in cyan
}
const PromiseState = {
Pending: 0,
Fulfilled: 1,
Rejected: 2,
};
function inspectPromise(
value,
inspectOptions,
) {
const cyan = maybeColor(colors.cyan, inspectOptions);
const red = maybeColor(colors.red, inspectOptions);
const { 0: state, 1: result } = core.getPromiseDetails(value);
if (state === PromiseState.Pending) {
return `Promise { ${cyan("<pending>")} }`;
}
const prefix = state === PromiseState.Fulfilled
? ""
: `${red("<rejected>")} `;
inspectOptions.indentLevel++;
const str = `${prefix}${inspectValueWithQuotes(result, inspectOptions)}`;
inspectOptions.indentLevel--;
if (str.length + PROMISE_STRING_BASE_LENGTH > LINE_BREAKING_LENGTH) {
return `Promise {\n${
StringPrototypeRepeat(DEFAULT_INDENT, inspectOptions.indentLevel + 1)
}${str}\n}`;
}
return `Promise { ${str} }`;
}
function inspectProxy(
targetAndHandler,
inspectOptions,
) {
return `Proxy ${inspectArray(targetAndHandler, inspectOptions)}`;
}
function inspectRawObject(
value,
inspectOptions,
) {
const cyan = maybeColor(colors.cyan, inspectOptions);
if (inspectOptions.indentLevel >= inspectOptions.depth) {
return [cyan("[Object]"), ""]; // wrappers are in cyan
}
let baseString;
let shouldShowDisplayName = false;
let displayName = value[
SymbolToStringTag
];
if (!displayName) {
displayName = getClassInstanceName(value);
}
if (
displayName && displayName !== "Object" && displayName !== "anonymous"
) {
shouldShowDisplayName = true;
}
const entries = [];
const stringKeys = ObjectKeys(value);
const symbolKeys = ObjectGetOwnPropertySymbols(value);
if (inspectOptions.sorted) {
ArrayPrototypeSort(stringKeys);
ArrayPrototypeSort(
symbolKeys,
(s1, s2) =>
StringPrototypeLocaleCompare(
SymbolPrototypeGetDescription(s1) ?? "",
SymbolPrototypeGetDescription(s2) ?? "",
),
);
}
const red = maybeColor(colors.red, inspectOptions);
inspectOptions.indentLevel++;
for (let i = 0; i < stringKeys.length; ++i) {
const key = stringKeys[i];
if (inspectOptions.getters) {
let propertyValue;
let error = null;
try {
propertyValue = value[key];
} catch (error_) {
error = error_;
}
const inspectedValue = error == null
? inspectValueWithQuotes(propertyValue, inspectOptions)
: red(`[Thrown ${error.name}: ${error.message}]`);
ArrayPrototypePush(
entries,
`${maybeQuoteString(key, inspectOptions)}: ${inspectedValue}`,
);
} else {
const descriptor = ObjectGetOwnPropertyDescriptor(value, key);
if (descriptor.get !== undefined && descriptor.set !== undefined) {
ArrayPrototypePush(
entries,
`${maybeQuoteString(key, inspectOptions)}: [Getter/Setter]`,
);
} else if (descriptor.get !== undefined) {
ArrayPrototypePush(
entries,
`${maybeQuoteString(key, inspectOptions)}: [Getter]`,
);
} else {
ArrayPrototypePush(
entries,
`${maybeQuoteString(key, inspectOptions)}: ${
inspectValueWithQuotes(value[key], inspectOptions)
}`,
);
}
}
}
for (let i = 0; i < symbolKeys.length; ++i) {
const key = symbolKeys[i];
if (
!inspectOptions.showHidden &&
!propertyIsEnumerable(value, key)
) {
continue;
}
if (inspectOptions.getters) {
let propertyValue;
let error;
try {
propertyValue = value[key];
} catch (error_) {
error = error_;
}
const inspectedValue = error == null
? inspectValueWithQuotes(propertyValue, inspectOptions)
: red(`Thrown ${error.name}: ${error.message}`);
ArrayPrototypePush(
entries,
`[${maybeQuoteSymbol(key, inspectOptions)}]: ${inspectedValue}`,
);
} else {
const descriptor = ObjectGetOwnPropertyDescriptor(value, key);
if (descriptor.get !== undefined && descriptor.set !== undefined) {
ArrayPrototypePush(
entries,
`[${maybeQuoteSymbol(key, inspectOptions)}]: [Getter/Setter]`,
);
} else if (descriptor.get !== undefined) {
ArrayPrototypePush(
entries,
`[${maybeQuoteSymbol(key, inspectOptions)}]: [Getter]`,
);
} else {
ArrayPrototypePush(
entries,
`[${maybeQuoteSymbol(key, inspectOptions)}]: ${
inspectValueWithQuotes(value[key], inspectOptions)
}`,
);
}
}
}
inspectOptions.indentLevel--;
// Making sure color codes are ignored when calculating the total length
const entriesText = colors.stripColor(ArrayPrototypeJoin(entries, ""));
const totalLength = entries.length + inspectOptions.indentLevel +
entriesText.length;
if (entries.length === 0) {
baseString = "{}";
} else if (
totalLength > LINE_BREAKING_LENGTH ||
!inspectOptions.compact ||
StringPrototypeIncludes(entriesText, "\n")
) {
const entryIndent = StringPrototypeRepeat(
DEFAULT_INDENT,
inspectOptions.indentLevel + 1,
);
const closingIndent = StringPrototypeRepeat(
DEFAULT_INDENT,
inspectOptions.indentLevel,
);
baseString = `{\n${entryIndent}${
ArrayPrototypeJoin(entries, `,\n${entryIndent}`)
}${inspectOptions.trailingComma ? "," : ""}\n${closingIndent}}`;
} else {
baseString = `{ ${ArrayPrototypeJoin(entries, ", ")} }`;
}
if (shouldShowDisplayName) {
baseString = `${displayName} ${baseString}`;
}
let refIndex = "";
if (circular !== undefined) {
const index = MapPrototypeGet(circular, value);
if (index !== undefined) {
refIndex = cyan(`<ref *${index}> `);
}
}
return [baseString, refIndex];
}
function inspectObject(value, inspectOptions, proxyDetails) {
if (
ReflectHas(value, customInspect) &&
typeof value[customInspect] === "function"
) {
return String(value[customInspect](inspect, inspectOptions));
}
// 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");
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, inspectOptions),
);
}
if (ObjectPrototypeIsPrototypeOf(ErrorPrototype, value)) {
return inspectError(value, maybeColor(colors.cyan, inspectOptions));
} else if (ArrayIsArray(value)) {
return inspectArray(value, inspectOptions);
} else if (ObjectPrototypeIsPrototypeOf(NumberPrototype, value)) {
return inspectNumberObject(value, inspectOptions);
} else if (ObjectPrototypeIsPrototypeOf(BigIntPrototype, value)) {
return inspectBigIntObject(value, inspectOptions);
} else if (ObjectPrototypeIsPrototypeOf(BooleanPrototype, value)) {
return inspectBooleanObject(value, inspectOptions);
} else if (ObjectPrototypeIsPrototypeOf(StringPrototype, value)) {
return inspectStringObject(value, inspectOptions);
} else if (ObjectPrototypeIsPrototypeOf(SymbolPrototype, value)) {
return inspectSymbolObject(value, inspectOptions);
} else if (ObjectPrototypeIsPrototypeOf(PromisePrototype, value)) {
return inspectPromise(value, inspectOptions);
} else if (ObjectPrototypeIsPrototypeOf(RegExpPrototype, value)) {
return inspectRegExp(value, inspectOptions);
} else if (ObjectPrototypeIsPrototypeOf(DatePrototype, value)) {
return inspectDate(
proxyDetails ? proxyDetails[0] : value,
inspectOptions,
);
} else if (ObjectPrototypeIsPrototypeOf(SetPrototype, value)) {
return inspectSet(
proxyDetails ? proxyDetails[0] : value,
inspectOptions,
);
} else if (ObjectPrototypeIsPrototypeOf(MapPrototype, value)) {
return inspectMap(
proxyDetails ? proxyDetails[0] : value,
inspectOptions,
);
} else if (ObjectPrototypeIsPrototypeOf(WeakSetPrototype, value)) {
return inspectWeakSet(inspectOptions);
} else if (ObjectPrototypeIsPrototypeOf(WeakMapPrototype, value)) {
return inspectWeakMap(inspectOptions);
} else if (isTypedArray(value)) {
return inspectTypedArray(
ObjectGetPrototypeOf(value).constructor.name,
value,
inspectOptions,
);
} else {
// Otherwise, default object formatting
let { 0: insp, 1: refIndex } = inspectRawObject(value, inspectOptions);
insp = refIndex + insp;
return insp;
}
}
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?\(\s*([+\-]?\d*\.?\d+)\s*,\s*([+\-]?\d*\.?\d+)%\s*,\s*([+\-]?\d*\.?\d+)%\s*(,\s*([+\-]?\d*\.?\d+)\s*)?\)$/,
);
function parseCssColor(colorString) {
if (MapPrototypeHas(colorKeywords, colorString)) {
colorString = MapPrototypeGet(colorKeywords, colorString);
}
// deno-fmt-ignore
const hashMatch = StringPrototypeMatch(colorString, HASH_PATTERN);
if (hashMatch != null) {
return [
Number(`0x${hashMatch[1]}`),
Number(`0x${hashMatch[2]}`),
Number(`0x${hashMatch[3]}`),
];
}
// deno-fmt-ignore
const smallHashMatch = StringPrototypeMatch(colorString, SMALL_HASH_PATTERN);
if (smallHashMatch != null) {
return [
Number(`0x${smallHashMatch[1]}0`),
Number(`0x${smallHashMatch[2]}0`),
Number(`0x${smallHashMatch[3]}0`),
];
}
// deno-fmt-ignore
const rgbMatch = StringPrototypeMatch(colorString, RGB_PATTERN);
if (rgbMatch != null) {
return [
MathRound(MathMax(0, MathMin(255, Number(rgbMatch[1])))),
MathRound(MathMax(0, MathMin(255, Number(rgbMatch[2])))),
MathRound(MathMax(0, MathMin(255, Number(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, Number(hslMatch[2]))) / 100;
const l = MathMax(0, MathMin(100, Number(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 = {}) {
circular = undefined;
const noColor = colors.getNoColor();
const rInspectOptions = { ...DEFAULT_INSPECT_OPTIONS, ...inspectOptions };
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 = `${value}`;
} else {
formattedArg = "NaN";
}
} else if (ArrayPrototypeIncludes(["O", "o"], char)) {
// Format as an object.
formattedArg = inspectValue(args[a++], rInspectOptions);
} else if (char == "c") {
const value = args[a++];
if (!noColor) {
const css = parseCss(value);
formattedArg = cssToAnsi(css, prevCss);
if (formattedArg != "") {
usedStyle = true;
prevCss = css;
}
} else {
formattedArg = "";
}
}
if (formattedArg != null) {
string += StringPrototypeSlice(first, appendedChars, i - 1) +
formattedArg;
appendedChars = i + 1;
}
}
if (char == "%") {
string += StringPrototypeSlice(first, appendedChars, i - 1) + "%";
appendedChars = i + 1;
}
}
}
string += StringPrototypeSlice(first, appendedChars);
if (usedStyle) {
string += "\x1b[0m";
}
}
for (; a < args.length; a++) {
if (a > 0) {
string += " ";
}
if (typeof args[a] == "string") {
string += args[a];
} else {
// Use default maximum depth for null or undefined arguments.
string += inspectValue(args[a], rInspectOptions);
}
}
if (rInspectOptions.indentLevel > 0) {
const groupIndent = StringPrototypeRepeat(
DEFAULT_INDENT,
rInspectOptions.indentLevel,
);
string = groupIndent +
StringPrototypeReplaceAll(string, "\n", `\n${groupIndent}`);
}
return string;
}
const countMap = new SafeMap();
const timerMap = new SafeMap();
const isConsoleInstance = Symbol("isConsoleInstance");
function getConsoleInspectOptions() {
return {
...DEFAULT_INSPECT_OPTIONS,
colors: !colors.getNoColor(),
};
}
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(),
indentLevel: this.indentLevel,
}) + "\n",
1,
);
};
debug = (...args) => {
this.#printFunc(
inspectArgs(args, {
...getConsoleInspectOptions(),
indentLevel: this.indentLevel,
}) + "\n",
0,
);
};
info = (...args) => {
this.#printFunc(
inspectArgs(args, {
...getConsoleInspectOptions(),
indentLevel: this.indentLevel,
}) + "\n",
1,
);
};
dir = (obj = undefined, options = {}) => {
this.#printFunc(
inspectArgs([obj], { ...getConsoleInspectOptions(), ...options }) +
"\n",
1,
);
};
dirxml = this.dir;
warn = (...args) => {
this.#printFunc(
inspectArgs(args, {
...getConsoleInspectOptions(),
indentLevel: this.indentLevel,
}) + "\n",
2,
);
};
error = (...args) => {
this.#printFunc(
inspectArgs(args, {
...getConsoleInspectOptions(),
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 string",
);
}
if (data === null || typeof data !== "object") {
return this.log(data);
}
const stringifyValue = (value) =>
inspectValueWithQuotes(value, {
...DEFAULT_INSPECT_OPTIONS,
depth: 1,
});
const toTable = (header, body) => this.log(cliTable(header, body));
let resultData;
const isSet = ObjectPrototypeIsPrototypeOf(SetPrototype, data);
const isMap = ObjectPrototypeIsPrototypeOf(MapPrototype, data);
const valuesKey = "Values";
const indexKey = isSet || isMap ? "(iter idx)" : "(idx)";
if (isSet) {
resultData = [...new SafeSetIterator(data)];
} else if (isMap) {
let idx = 0;
resultData = {};
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;
keys.forEach((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),
!isMap && 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 exists`);
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(), 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 = {},
) {
circular = undefined;
return inspectValue(value, {
...DEFAULT_INSPECT_OPTIONS,
...inspectOptions,
});
}
/** 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 }) {
return new Proxy({}, {
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],
};
}
}
// A helper function that will bind our own console implementation
// with default implementation of Console from V8. This will cause
// console messages to be piped to inspector console.
//
// We are using `Deno.core.callConsole` binding to preserve proper stack
// frames in inspector console. This has to be done because V8 considers
// the last JS stack frame as gospel for the inspector. In our case we
// specifically want the latest user stack frame to be the one that matters
// though.
//
// Inspired by:
// https://github.com/nodejs/node/blob/1317252dfe8824fd9cfee125d2aaa94004db2f3b/lib/internal/util/inspector.js#L39-L61
function wrapConsole(consoleFromDeno, consoleFromV8) {
const callConsole = core.callConsole;
const keys = ObjectKeys(consoleFromV8);
for (let i = 0; i < keys.length; ++i) {
const key = keys[i];
if (ObjectPrototypeHasOwnProperty(consoleFromDeno, key)) {
consoleFromDeno[key] = FunctionPrototypeBind(
callConsole,
consoleFromDeno,
consoleFromV8[key],
consoleFromDeno[key],
);
} else {
// Add additional console APIs from the inspector
consoleFromDeno[key] = consoleFromV8[key];
}
}
}
// Expose these fields to internalObject for tests.
internals.Console = Console;
internals.cssToAnsi = cssToAnsi;
internals.inspectArgs = inspectArgs;
internals.parseCss = parseCss;
internals.parseCssColor = parseCssColor;
export {
Console,
createFilteredInspectProxy,
CSI,
customInspect,
inspect,
inspectArgs,
quoteString,
wrapConsole,
};