mirror of
https://github.com/denoland/deno.git
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582 lines
18 KiB
JavaScript
582 lines
18 KiB
JavaScript
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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// TODO(petamoriken): enable prefer-primordials for node polyfills
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// deno-lint-ignore-file prefer-primordials
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import {
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validateObject,
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validateOneOf,
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validateString,
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} from "ext:deno_node/internal/validators.mjs";
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import { codes } from "ext:deno_node/internal/error_codes.ts";
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import {
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colors,
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createStylizeWithColor,
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formatBigInt,
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formatNumber,
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formatValue,
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styles,
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} from "ext:deno_console/01_console.js";
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// Set Graphics Rendition https://en.wikipedia.org/wiki/ANSI_escape_code#graphics
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// Each color consists of an array with the color code as first entry and the
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// reset code as second entry.
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const defaultFG = 39;
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const defaultBG = 49;
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inspect.colors = {
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reset: [0, 0],
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bold: [1, 22],
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dim: [2, 22], // Alias: faint
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italic: [3, 23],
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underline: [4, 24],
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blink: [5, 25],
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// Swap foreground and background colors
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inverse: [7, 27], // Alias: swapcolors, swapColors
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hidden: [8, 28], // Alias: conceal
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strikethrough: [9, 29], // Alias: strikeThrough, crossedout, crossedOut
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doubleunderline: [21, 24], // Alias: doubleUnderline
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black: [30, defaultFG],
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red: [31, defaultFG],
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green: [32, defaultFG],
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yellow: [33, defaultFG],
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blue: [34, defaultFG],
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magenta: [35, defaultFG],
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cyan: [36, defaultFG],
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white: [37, defaultFG],
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bgBlack: [40, defaultBG],
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bgRed: [41, defaultBG],
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bgGreen: [42, defaultBG],
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bgYellow: [43, defaultBG],
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bgBlue: [44, defaultBG],
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bgMagenta: [45, defaultBG],
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bgCyan: [46, defaultBG],
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bgWhite: [47, defaultBG],
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framed: [51, 54],
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overlined: [53, 55],
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gray: [90, defaultFG], // Alias: grey, blackBright
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redBright: [91, defaultFG],
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greenBright: [92, defaultFG],
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yellowBright: [93, defaultFG],
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blueBright: [94, defaultFG],
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magentaBright: [95, defaultFG],
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cyanBright: [96, defaultFG],
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whiteBright: [97, defaultFG],
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bgGray: [100, defaultBG], // Alias: bgGrey, bgBlackBright
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bgRedBright: [101, defaultBG],
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bgGreenBright: [102, defaultBG],
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bgYellowBright: [103, defaultBG],
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bgBlueBright: [104, defaultBG],
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bgMagentaBright: [105, defaultBG],
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bgCyanBright: [106, defaultBG],
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bgWhiteBright: [107, defaultBG],
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};
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function defineColorAlias(target, alias) {
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Object.defineProperty(inspect.colors, alias, {
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get() {
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return this[target];
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},
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set(value) {
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this[target] = value;
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},
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configurable: true,
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enumerable: false,
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});
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}
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defineColorAlias("gray", "grey");
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defineColorAlias("gray", "blackBright");
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defineColorAlias("bgGray", "bgGrey");
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defineColorAlias("bgGray", "bgBlackBright");
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defineColorAlias("dim", "faint");
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defineColorAlias("strikethrough", "crossedout");
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defineColorAlias("strikethrough", "strikeThrough");
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defineColorAlias("strikethrough", "crossedOut");
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defineColorAlias("hidden", "conceal");
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defineColorAlias("inverse", "swapColors");
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defineColorAlias("inverse", "swapcolors");
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defineColorAlias("doubleunderline", "doubleUnderline");
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// TODO(BridgeAR): Add function style support for more complex styles.
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// Don't use 'blue' not visible on cmd.exe
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inspect.styles = Object.assign(Object.create(null), {
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special: "cyan",
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number: "yellow",
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bigint: "yellow",
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boolean: "yellow",
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undefined: "grey",
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null: "bold",
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string: "green",
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symbol: "green",
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date: "magenta",
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// "name": intentionally not styling
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// TODO(BridgeAR): Highlight regular expressions properly.
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regexp: "red",
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module: "underline",
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});
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const inspectDefaultOptions = {
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indentationLvl: 0,
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currentDepth: 0,
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stylize: stylizeNoColor,
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showHidden: false,
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depth: 2,
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colors: false,
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showProxy: false,
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breakLength: 80,
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escapeSequences: true,
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compact: 3,
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sorted: false,
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getters: false,
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// node only
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maxArrayLength: 100,
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maxStringLength: 10000, // deno: strAbbreviateSize: 100
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customInspect: true,
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// deno only
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/** You can override the quotes preference in inspectString.
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* Used by util.inspect() */
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// TODO(kt3k): Consider using symbol as a key to hide this from the public
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// API.
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quotes: ["'", '"', "`"],
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iterableLimit: Infinity, // similar to node's maxArrayLength, but doesn't only apply to arrays
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trailingComma: false,
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inspect,
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// TODO(@crowlKats): merge into indentationLvl
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indentLevel: 0,
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};
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/**
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* Echos the value of any input. Tries to print the value out
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* in the best way possible given the different types.
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*/
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/* Legacy: value, showHidden, depth, colors */
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export function inspect(value, opts) {
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// Default options
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const ctx = {
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budget: {},
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seen: [],
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...inspectDefaultOptions,
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};
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if (arguments.length > 1) {
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// Legacy...
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if (arguments.length > 2) {
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if (arguments[2] !== undefined) {
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ctx.depth = arguments[2];
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}
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if (arguments.length > 3 && arguments[3] !== undefined) {
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ctx.colors = arguments[3];
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}
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}
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// Set user-specified options
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if (typeof opts === "boolean") {
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ctx.showHidden = opts;
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} else if (opts) {
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const optKeys = Object.keys(opts);
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for (let i = 0; i < optKeys.length; ++i) {
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const key = optKeys[i];
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// TODO(BridgeAR): Find a solution what to do about stylize. Either make
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// this function public or add a new API with a similar or better
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// functionality.
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if (
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// deno-lint-ignore no-prototype-builtins
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inspectDefaultOptions.hasOwnProperty(key) ||
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key === "stylize"
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) {
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ctx[key] = opts[key];
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} else if (ctx.userOptions === undefined) {
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// This is required to pass through the actual user input.
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ctx.userOptions = opts;
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}
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}
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}
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}
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if (ctx.colors) {
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ctx.stylize = createStylizeWithColor(inspect.styles, inspect.colors);
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}
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if (ctx.maxArrayLength === null) ctx.maxArrayLength = Infinity;
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if (ctx.maxStringLength === null) ctx.maxStringLength = Infinity;
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return formatValue(ctx, value, 0);
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}
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const customInspectSymbol = Symbol.for("nodejs.util.inspect.custom");
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inspect.custom = customInspectSymbol;
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Object.defineProperty(inspect, "defaultOptions", {
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get() {
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return inspectDefaultOptions;
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},
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set(options) {
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validateObject(options, "options");
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return Object.assign(inspectDefaultOptions, options);
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},
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});
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function stylizeNoColor(str) {
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return str;
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}
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const builtInObjects = new Set(
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Object.getOwnPropertyNames(globalThis).filter((e) =>
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/^[A-Z][a-zA-Z0-9]+$/.test(e)
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),
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);
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// Regex used for ansi escape code splitting
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// Adopted from https://github.com/chalk/ansi-regex/blob/HEAD/index.js
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// License: MIT, authors: @sindresorhus, Qix-, arjunmehta and LitoMore
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// Matches all ansi escape code sequences in a string
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const ansiPattern = "[\\u001B\\u009B][[\\]()#;?]*" +
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"(?:(?:(?:(?:;[-a-zA-Z\\d\\/#&.:=?%@~_]+)*" +
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"|[a-zA-Z\\d]+(?:;[-a-zA-Z\\d\\/#&.:=?%@~_]*)*)?\\u0007)" +
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"|(?:(?:\\d{1,4}(?:;\\d{0,4})*)?[\\dA-PR-TZcf-ntqry=><~]))";
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const ansi = new RegExp(ansiPattern, "g");
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/**
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* Returns the number of columns required to display the given string.
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*/
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export function getStringWidth(str, removeControlChars = true) {
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let width = 0;
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if (removeControlChars) {
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str = stripVTControlCharacters(str);
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}
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str = str.normalize("NFC");
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for (const char of str[Symbol.iterator]()) {
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const code = char.codePointAt(0);
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if (isFullWidthCodePoint(code)) {
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width += 2;
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} else if (!isZeroWidthCodePoint(code)) {
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width++;
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}
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}
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return width;
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}
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/**
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* Returns true if the character represented by a given
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* Unicode code point is full-width. Otherwise returns false.
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*/
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const isFullWidthCodePoint = (code) => {
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// Code points are partially derived from:
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// https://www.unicode.org/Public/UNIDATA/EastAsianWidth.txt
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return code >= 0x1100 && (
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code <= 0x115f || // Hangul Jamo
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code === 0x2329 || // LEFT-POINTING ANGLE BRACKET
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code === 0x232a || // RIGHT-POINTING ANGLE BRACKET
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// CJK Radicals Supplement .. Enclosed CJK Letters and Months
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(code >= 0x2e80 && code <= 0x3247 && code !== 0x303f) ||
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// Enclosed CJK Letters and Months .. CJK Unified Ideographs Extension A
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(code >= 0x3250 && code <= 0x4dbf) ||
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// CJK Unified Ideographs .. Yi Radicals
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(code >= 0x4e00 && code <= 0xa4c6) ||
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// Hangul Jamo Extended-A
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(code >= 0xa960 && code <= 0xa97c) ||
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// Hangul Syllables
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(code >= 0xac00 && code <= 0xd7a3) ||
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// CJK Compatibility Ideographs
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(code >= 0xf900 && code <= 0xfaff) ||
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// Vertical Forms
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(code >= 0xfe10 && code <= 0xfe19) ||
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// CJK Compatibility Forms .. Small Form Variants
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(code >= 0xfe30 && code <= 0xfe6b) ||
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// Halfwidth and Fullwidth Forms
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(code >= 0xff01 && code <= 0xff60) ||
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(code >= 0xffe0 && code <= 0xffe6) ||
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// Kana Supplement
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(code >= 0x1b000 && code <= 0x1b001) ||
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// Enclosed Ideographic Supplement
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(code >= 0x1f200 && code <= 0x1f251) ||
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// Miscellaneous Symbols and Pictographs 0x1f300 - 0x1f5ff
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// Emoticons 0x1f600 - 0x1f64f
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(code >= 0x1f300 && code <= 0x1f64f) ||
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// CJK Unified Ideographs Extension B .. Tertiary Ideographic Plane
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(code >= 0x20000 && code <= 0x3fffd)
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);
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};
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const isZeroWidthCodePoint = (code) => {
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return code <= 0x1F || // C0 control codes
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(code >= 0x7F && code <= 0x9F) || // C1 control codes
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(code >= 0x300 && code <= 0x36F) || // Combining Diacritical Marks
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(code >= 0x200B && code <= 0x200F) || // Modifying Invisible Characters
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// Combining Diacritical Marks for Symbols
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(code >= 0x20D0 && code <= 0x20FF) ||
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(code >= 0xFE00 && code <= 0xFE0F) || // Variation Selectors
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(code >= 0xFE20 && code <= 0xFE2F) || // Combining Half Marks
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(code >= 0xE0100 && code <= 0xE01EF); // Variation Selectors
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};
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function hasBuiltInToString(value) {
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// TODO(wafuwafu13): Implement
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// // Prevent triggering proxy traps.
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// const getFullProxy = false;
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// const proxyTarget = getProxyDetails(value, getFullProxy);
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const proxyTarget = undefined;
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if (proxyTarget !== undefined) {
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value = proxyTarget;
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}
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// Count objects that have no `toString` function as built-in.
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if (typeof value.toString !== "function") {
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return true;
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}
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// The object has a own `toString` property. Thus it's not a built-in one.
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if (Object.prototype.hasOwnProperty.call(value, "toString")) {
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return false;
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}
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// Find the object that has the `toString` property as own property in the
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// prototype chain.
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let pointer = value;
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do {
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pointer = Object.getPrototypeOf(pointer);
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} while (!Object.prototype.hasOwnProperty.call(pointer, "toString"));
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// Check closer if the object is a built-in.
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const descriptor = Object.getOwnPropertyDescriptor(pointer, "constructor");
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return descriptor !== undefined &&
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typeof descriptor.value === "function" &&
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builtInObjects.has(descriptor.value.name);
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}
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const firstErrorLine = (error) => error.message.split("\n", 1)[0];
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let CIRCULAR_ERROR_MESSAGE;
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function tryStringify(arg) {
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try {
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return JSON.stringify(arg);
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} catch (err) {
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// Populate the circular error message lazily
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if (!CIRCULAR_ERROR_MESSAGE) {
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try {
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const a = {};
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a.a = a;
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JSON.stringify(a);
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} catch (circularError) {
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CIRCULAR_ERROR_MESSAGE = firstErrorLine(circularError);
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}
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}
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if (
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err.name === "TypeError" &&
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firstErrorLine(err) === CIRCULAR_ERROR_MESSAGE
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) {
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return "[Circular]";
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}
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throw err;
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}
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}
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export function format(...args) {
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return formatWithOptionsInternal(undefined, args);
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}
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export function formatWithOptions(inspectOptions, ...args) {
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if (typeof inspectOptions !== "object" || inspectOptions === null) {
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throw new codes.ERR_INVALID_ARG_TYPE(
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"inspectOptions",
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"object",
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inspectOptions,
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);
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}
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return formatWithOptionsInternal(inspectOptions, args);
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}
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function formatNumberNoColor(number, options) {
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return formatNumber(
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stylizeNoColor,
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number,
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options?.numericSeparator ?? inspectDefaultOptions.numericSeparator,
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);
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}
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function formatBigIntNoColor(bigint, options) {
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return formatBigInt(
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stylizeNoColor,
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bigint,
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options?.numericSeparator ?? inspectDefaultOptions.numericSeparator,
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);
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}
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function formatWithOptionsInternal(inspectOptions, args) {
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const first = args[0];
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let a = 0;
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let str = "";
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let join = "";
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if (typeof first === "string") {
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if (args.length === 1) {
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return first;
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}
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let tempStr;
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let lastPos = 0;
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for (let i = 0; i < first.length - 1; i++) {
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if (first.charCodeAt(i) === 37) { // '%'
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const nextChar = first.charCodeAt(++i);
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if (a + 1 !== args.length) {
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switch (nextChar) {
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// deno-lint-ignore no-case-declarations
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case 115: // 's'
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const tempArg = args[++a];
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if (typeof tempArg === "number") {
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tempStr = formatNumberNoColor(tempArg, inspectOptions);
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} else if (typeof tempArg === "bigint") {
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tempStr = formatBigIntNoColor(tempArg, inspectOptions);
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} else if (
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typeof tempArg !== "object" ||
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tempArg === null ||
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!hasBuiltInToString(tempArg)
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) {
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tempStr = String(tempArg);
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} else {
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tempStr = inspect(tempArg, {
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...inspectOptions,
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compact: 3,
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colors: false,
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depth: 0,
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});
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}
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break;
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case 106: // 'j'
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tempStr = tryStringify(args[++a]);
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break;
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// deno-lint-ignore no-case-declarations
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case 100: // 'd'
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const tempNum = args[++a];
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if (typeof tempNum === "bigint") {
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tempStr = formatBigIntNoColor(tempNum, inspectOptions);
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} else if (typeof tempNum === "symbol") {
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tempStr = "NaN";
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} else {
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tempStr = formatNumberNoColor(Number(tempNum), inspectOptions);
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}
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break;
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case 79: // 'O'
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tempStr = inspect(args[++a], inspectOptions);
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break;
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case 111: // 'o'
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tempStr = inspect(args[++a], {
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...inspectOptions,
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showHidden: true,
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showProxy: true,
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depth: 4,
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});
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break;
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// deno-lint-ignore no-case-declarations
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case 105: // 'i'
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const tempInteger = args[++a];
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if (typeof tempInteger === "bigint") {
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tempStr = formatBigIntNoColor(tempInteger, inspectOptions);
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} else if (typeof tempInteger === "symbol") {
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tempStr = "NaN";
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} else {
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tempStr = formatNumberNoColor(
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Number.parseInt(tempInteger),
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inspectOptions,
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);
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}
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break;
|
|
// deno-lint-ignore no-case-declarations
|
|
case 102: // 'f'
|
|
const tempFloat = args[++a];
|
|
if (typeof tempFloat === "symbol") {
|
|
tempStr = "NaN";
|
|
} else {
|
|
tempStr = formatNumberNoColor(
|
|
Number.parseFloat(tempFloat),
|
|
inspectOptions,
|
|
);
|
|
}
|
|
break;
|
|
case 99: // 'c'
|
|
a += 1;
|
|
tempStr = "";
|
|
break;
|
|
case 37: // '%'
|
|
str += first.slice(lastPos, i);
|
|
lastPos = i + 1;
|
|
continue;
|
|
default: // Any other character is not a correct placeholder
|
|
continue;
|
|
}
|
|
if (lastPos !== i - 1) {
|
|
str += first.slice(lastPos, i - 1);
|
|
}
|
|
str += tempStr;
|
|
lastPos = i + 1;
|
|
} else if (nextChar === 37) {
|
|
str += first.slice(lastPos, i);
|
|
lastPos = i + 1;
|
|
}
|
|
}
|
|
}
|
|
if (lastPos !== 0) {
|
|
a++;
|
|
join = " ";
|
|
if (lastPos < first.length) {
|
|
str += first.slice(lastPos);
|
|
}
|
|
}
|
|
}
|
|
|
|
while (a < args.length) {
|
|
const value = args[a];
|
|
str += join;
|
|
str += typeof value !== "string" ? inspect(value, inspectOptions) : value;
|
|
join = " ";
|
|
a++;
|
|
}
|
|
return str;
|
|
}
|
|
|
|
/**
|
|
* Remove all VT control characters. Use to estimate displayed string width.
|
|
*/
|
|
export function stripVTControlCharacters(str) {
|
|
validateString(str, "str");
|
|
|
|
return str.replace(ansi, "");
|
|
}
|
|
|
|
export function styleText(format, text) {
|
|
validateString(text, "text");
|
|
const formatCodes = inspect.colors[format];
|
|
if (formatCodes == null) {
|
|
validateOneOf(format, "format", Object.keys(inspect.colors));
|
|
}
|
|
return `\u001b[${formatCodes[0]}m${text}\u001b[${formatCodes[1]}m`;
|
|
}
|
|
|
|
export default {
|
|
format,
|
|
getStringWidth,
|
|
inspect,
|
|
stripVTControlCharacters,
|
|
formatWithOptions,
|
|
styleText,
|
|
};
|