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Diffstat (limited to 'cli/tsc/02_console.js')
-rw-r--r-- | cli/tsc/02_console.js | 1183 |
1 files changed, 1183 insertions, 0 deletions
diff --git a/cli/tsc/02_console.js b/cli/tsc/02_console.js new file mode 100644 index 000000000..5a9dd4186 --- /dev/null +++ b/cli/tsc/02_console.js @@ -0,0 +1,1183 @@ +// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license. + +((window) => { + const exposeForTest = window.__bootstrap.internals.exposeForTest; + const { + stripColor, + yellow, + dim, + cyan, + red, + green, + magenta, + bold, + } = window.__bootstrap.colors; + + const { + isTypedArray, + isInvalidDate, + hasOwnProperty, + } = window.__bootstrap.webUtil; + + // Copyright Joyent, Inc. and other Node contributors. MIT license. + // Forked from Node's lib/internal/cli_table.js + + const tableChars = { + middleMiddle: "─", + rowMiddle: "┼", + topRight: "┐", + topLeft: "┌", + leftMiddle: "├", + topMiddle: "┬", + bottomRight: "┘", + bottomLeft: "└", + bottomMiddle: "┴", + rightMiddle: "┤", + left: "│ ", + right: " │", + middle: " │ ", + }; + + 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 = stripColor(str).normalize("NFC"); + let width = 0; + + for (const ch of str) { + width += isFullWidthCodePoint(ch.codePointAt(0)) ? 2 : 1; + } + + return width; + } + + function renderRow(row, columnWidths) { + let out = tableChars.left; + for (let i = 0; i < row.length; i++) { + const cell = row[i]; + const len = getStringWidth(cell); + const needed = (columnWidths[i] - len) / 2; + // round(needed) + ceil(needed) will always add up to the amount + // of spaces we need while also left justifying the output. + out += `${" ".repeat(needed)}${cell}${" ".repeat(Math.ceil(needed))}`; + if (i !== row.length - 1) { + out += tableChars.middle; + } + } + out += tableChars.right; + return out; + } + + function cliTable(head, columns) { + const rows = []; + const columnWidths = head.map((h) => getStringWidth(h)); + const longestColumn = columns.reduce( + (n, a) => Math.max(n, a.length), + 0, + ); + + for (let i = 0; i < head.length; i++) { + const column = columns[i]; + for (let j = 0; j < longestColumn; j++) { + if (rows[j] === undefined) { + rows[j] = []; + } + const value = (rows[j][i] = hasOwnProperty(column, j) ? column[j] : ""); + const width = columnWidths[i] || 0; + const counted = getStringWidth(value); + columnWidths[i] = Math.max(width, counted); + } + } + + const divider = columnWidths.map((i) => + tableChars.middleMiddle.repeat(i + 2) + ); + + let result = `${tableChars.topLeft}${divider.join(tableChars.topMiddle)}` + + `${tableChars.topRight}\n${renderRow(head, columnWidths)}\n` + + `${tableChars.leftMiddle}${divider.join(tableChars.rowMiddle)}` + + `${tableChars.rightMiddle}\n`; + + for (const row of rows) { + result += `${renderRow(row, columnWidths)}\n`; + } + + result += + `${tableChars.bottomLeft}${divider.join(tableChars.bottomMiddle)}` + + tableChars.bottomRight; + + return result; + } + /* End of forked part */ + + const DEFAULT_INSPECT_OPTIONS = { + depth: 4, + indentLevel: 0, + sorted: false, + trailingComma: false, + compact: true, + iterableLimit: 100, + }; + + const DEFAULT_INDENT = " "; // Default indent string + + const LINE_BREAKING_LENGTH = 80; + const MIN_GROUP_LENGTH = 6; + const STR_ABBREVIATE_SIZE = 100; + // Char codes + const CHAR_PERCENT = 37; /* % */ + const CHAR_LOWERCASE_S = 115; /* s */ + const CHAR_LOWERCASE_D = 100; /* d */ + const CHAR_LOWERCASE_I = 105; /* i */ + const CHAR_LOWERCASE_F = 102; /* f */ + const CHAR_LOWERCASE_O = 111; /* o */ + const CHAR_UPPERCASE_O = 79; /* O */ + const CHAR_LOWERCASE_C = 99; /* c */ + + const PROMISE_STRING_BASE_LENGTH = 12; + + class CSI { + static kClear = "\x1b[1;1H"; + static kClearScreenDown = "\x1b[0J"; + } + + /* eslint-disable @typescript-eslint/no-use-before-define */ + + function getClassInstanceName(instance) { + if (typeof instance !== "object") { + return ""; + } + if (!instance) { + return ""; + } + + const proto = Object.getPrototypeOf(instance); + if (proto && proto.constructor) { + return proto.constructor.name; // could be "Object" or "Array" + } + + return ""; + } + + function inspectFunction(value, _ctx) { + // Might be Function/AsyncFunction/GeneratorFunction + const cstrName = Object.getPrototypeOf(value).constructor.name; + if (value.name && value.name !== "anonymous") { + // from MDN spec + return `[${cstrName}: ${value.name}]`; + } + return `[${cstrName}]`; + } + + function inspectIterable( + value, + ctx, + level, + options, + inspectOptions, + ) { + if (level >= inspectOptions.depth) { + return cyan(`[${options.typeName}]`); + } + ctx.add(value); + + const entries = []; + + const iter = value.entries(); + let entriesLength = 0; + const next = () => { + return iter.next(); + }; + for (const el of iter) { + if (entriesLength < inspectOptions.iterableLimit) { + entries.push( + options.entryHandler( + el, + ctx, + level + 1, + inspectOptions, + next.bind(iter), + ), + ); + } + entriesLength++; + } + ctx.delete(value); + + if (options.sort) { + entries.sort(); + } + + if (entriesLength > inspectOptions.iterableLimit) { + const nmore = entriesLength - inspectOptions.iterableLimit; + entries.push(`... ${nmore} more items`); + } + + const iPrefix = `${options.displayName ? options.displayName + " " : ""}`; + + const initIndentation = `\n${DEFAULT_INDENT.repeat(level + 1)}`; + const entryIndentation = `,\n${DEFAULT_INDENT.repeat(level + 1)}`; + const closingIndentation = `${inspectOptions.trailingComma ? "," : ""}\n${ + DEFAULT_INDENT.repeat(level) + }`; + + let iContent; + if (options.group && entries.length > MIN_GROUP_LENGTH) { + const groups = groupEntries(entries, level, value); + iContent = `${initIndentation}${ + groups.join(entryIndentation) + }${closingIndentation}`; + } else { + iContent = entries.length === 0 ? "" : ` ${entries.join(", ")} `; + if ( + stripColor(iContent).length > LINE_BREAKING_LENGTH || + !inspectOptions.compact + ) { + iContent = `${initIndentation}${ + entries.join(entryIndentation) + }${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 = 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 = Math.sqrt(actualMax - totalLength / entries.length); + const biasedMax = Math.max(actualMax - 3 - averageBias, 1); + // Dynamically check how many columns seem possible. + const columns = Math.min( + // 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. + Math.round( + Math.sqrt(approxCharHeights * biasedMax * entriesLength) / biasedMax, + ), + // Do not exceed the breakLength. + Math.floor((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++) { + /* eslint-disable @typescript-eslint/no-explicit-any */ + if ( + typeof value[i] !== "number" && + typeof value[i] !== "bigint" + ) { + order = "padEnd"; + break; + } + /* eslint-enable */ + } + } + // 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 = Math.min(i + columns, entriesLength); + let str = ""; + let j = i; + for (; j < max - 1; j++) { + // In future, colors should be taken here into the account + const padding = maxLineLength[j - i]; + str += `${entries[j]}, `[order](padding, " "); + } + if (order === "padStart") { + const padding = maxLineLength[j - i] + + entries[j].length - + dataLen[j] - + separatorSpace; + str += entries[j].padStart(padding, " "); + } else { + str += entries[j]; + } + tmp.push(str); + } + if (iterableLimit < entries.length) { + tmp.push(entries[entriesLength]); + } + entries = tmp; + } + return entries; + } + + function inspectValue( + value, + ctx, + level, + inspectOptions, + ) { + switch (typeof value) { + case "string": + return value; + case "number": // Numbers are yellow + // Special handling of -0 + return yellow(Object.is(value, -0) ? "-0" : `${value}`); + case "boolean": // booleans are yellow + return yellow(String(value)); + case "undefined": // undefined is dim + return dim(String(value)); + case "symbol": // Symbols are green + return green(String(value)); + case "bigint": // Bigints are yellow + return yellow(`${value}n`); + case "function": // Function string is cyan + return cyan(inspectFunction(value, ctx)); + case "object": // null is bold + if (value === null) { + return bold("null"); + } + + if (ctx.has(value)) { + // Circular string is cyan + return cyan("[Circular]"); + } + + return inspectObject(value, ctx, level, inspectOptions); + default: + // Not implemented is red + return red("[Not Implemented]"); + } + } + + // We can match Node's quoting behavior exactly by swapping the double quote and + // single quote in this array. That would give preference to single quotes. + // However, we prefer double quotes as the default. + const QUOTES = ['"', "'", "`"]; + + /** Surround the string in quotes. + * + * The quote symbol is chosen by taking the first of the `QUOTES` array which + * does not occur in the string. If they all occur, settle with `QUOTES[0]`. + * + * Insert a backslash before any occurrence of the chosen quote symbol and + * before any backslash. */ + function quoteString(string) { + const quote = QUOTES.find((c) => !string.includes(c)) ?? QUOTES[0]; + const escapePattern = new RegExp(`(?=[${quote}\\\\])`, "g"); + return `${quote}${string.replace(escapePattern, "\\")}${quote}`; + } + + // Print strings when they are inside of arrays or objects with quotes + function inspectValueWithQuotes( + value, + ctx, + level, + inspectOptions, + ) { + switch (typeof value) { + case "string": + const trunc = value.length > STR_ABBREVIATE_SIZE + ? value.slice(0, STR_ABBREVIATE_SIZE) + "..." + : value; + return green(quoteString(trunc)); // Quoted strings are green + default: + return inspectValue(value, ctx, level, inspectOptions); + } + } + + function inspectArray( + value, + ctx, + level, + inspectOptions, + ) { + const options = { + typeName: "Array", + displayName: "", + delims: ["[", "]"], + entryHandler: (entry, ctx, level, inspectOptions, next) => { + const [index, val] = entry; + let i = index; + if (!value.hasOwnProperty(i)) { + i++; + while (!value.hasOwnProperty(i) && i < value.length) { + next(); + i++; + } + const emptyItems = i - index; + const ending = emptyItems > 1 ? "s" : ""; + return dim(`<${emptyItems} empty item${ending}>`); + } else { + return inspectValueWithQuotes(val, ctx, level, inspectOptions); + } + }, + group: inspectOptions.compact, + sort: false, + }; + return inspectIterable(value, ctx, level, options, inspectOptions); + } + + function inspectTypedArray( + typedArrayName, + value, + ctx, + level, + inspectOptions, + ) { + const valueLength = value.length; + const options = { + typeName: typedArrayName, + displayName: `${typedArrayName}(${valueLength})`, + delims: ["[", "]"], + entryHandler: (entry, ctx, level, inspectOptions) => { + const val = entry[1]; + return inspectValueWithQuotes(val, ctx, level + 1, inspectOptions); + }, + group: inspectOptions.compact, + sort: false, + }; + return inspectIterable(value, ctx, level, options, inspectOptions); + } + + function inspectSet( + value, + ctx, + level, + inspectOptions, + ) { + const options = { + typeName: "Set", + displayName: "Set", + delims: ["{", "}"], + entryHandler: (entry, ctx, level, inspectOptions) => { + const val = entry[1]; + return inspectValueWithQuotes(val, ctx, level + 1, inspectOptions); + }, + group: false, + sort: inspectOptions.sorted, + }; + return inspectIterable(value, ctx, level, options, inspectOptions); + } + + function inspectMap( + value, + ctx, + level, + inspectOptions, + ) { + const options = { + typeName: "Map", + displayName: "Map", + delims: ["{", "}"], + entryHandler: (entry, ctx, level, inspectOptions) => { + const [key, val] = entry; + return `${ + inspectValueWithQuotes( + key, + ctx, + level + 1, + inspectOptions, + ) + } => ${inspectValueWithQuotes(val, ctx, level + 1, inspectOptions)}`; + }, + group: false, + sort: inspectOptions.sorted, + }; + return inspectIterable( + value, + ctx, + level, + options, + inspectOptions, + ); + } + + function inspectWeakSet() { + return `WeakSet { ${cyan("[items unknown]")} }`; // as seen in Node, with cyan color + } + + function inspectWeakMap() { + return `WeakMap { ${cyan("[items unknown]")} }`; // as seen in Node, with cyan color + } + + function inspectDate(value) { + // without quotes, ISO format, in magenta like before + return magenta(isInvalidDate(value) ? "Invalid Date" : value.toISOString()); + } + + function inspectRegExp(value) { + return red(value.toString()); // RegExps are red + } + + function inspectStringObject(value) { + return cyan(`[String: "${value.toString()}"]`); // wrappers are in cyan + } + + function inspectBooleanObject(value) { + return cyan(`[Boolean: ${value.toString()}]`); // wrappers are in cyan + } + + function inspectNumberObject(value) { + return cyan(`[Number: ${value.toString()}]`); // wrappers are in cyan + } + + const PromiseState = { + Pending: 0, + Fulfilled: 1, + Rejected: 2, + }; + + function inspectPromise( + value, + ctx, + level, + inspectOptions, + ) { + const [state, result] = Deno.core.getPromiseDetails(value); + + if (state === PromiseState.Pending) { + return `Promise { ${cyan("<pending>")} }`; + } + + const prefix = state === PromiseState.Fulfilled + ? "" + : `${red("<rejected>")} `; + + const str = `${prefix}${ + inspectValueWithQuotes( + result, + ctx, + level + 1, + inspectOptions, + ) + }`; + + if (str.length + PROMISE_STRING_BASE_LENGTH > LINE_BREAKING_LENGTH) { + return `Promise {\n${DEFAULT_INDENT.repeat(level + 1)}${str}\n}`; + } + + return `Promise { ${str} }`; + } + + // TODO: Proxy + + function inspectRawObject( + value, + ctx, + level, + inspectOptions, + ) { + if (level >= inspectOptions.depth) { + return cyan("[Object]"); // wrappers are in cyan + } + ctx.add(value); + + let baseString; + + let shouldShowDisplayName = false; + let displayName = value[ + Symbol.toStringTag + ]; + if (!displayName) { + displayName = getClassInstanceName(value); + } + if ( + displayName && displayName !== "Object" && displayName !== "anonymous" + ) { + shouldShowDisplayName = true; + } + + const entries = []; + const stringKeys = Object.keys(value); + const symbolKeys = Object.getOwnPropertySymbols(value); + if (inspectOptions.sorted) { + stringKeys.sort(); + symbolKeys.sort((s1, s2) => + (s1.description ?? "").localeCompare(s2.description ?? "") + ); + } + + for (const key of stringKeys) { + entries.push( + `${key}: ${ + inspectValueWithQuotes( + value[key], + ctx, + level + 1, + inspectOptions, + ) + }`, + ); + } + for (const key of symbolKeys) { + entries.push( + `${key.toString()}: ${ + inspectValueWithQuotes( + value[key], + ctx, + level + 1, + inspectOptions, + ) + }`, + ); + } + // Making sure color codes are ignored when calculating the total length + const totalLength = entries.length + level + + stripColor(entries.join("")).length; + + ctx.delete(value); + + if (entries.length === 0) { + baseString = "{}"; + } else if (totalLength > LINE_BREAKING_LENGTH || !inspectOptions.compact) { + const entryIndent = DEFAULT_INDENT.repeat(level + 1); + const closingIndent = DEFAULT_INDENT.repeat(level); + baseString = `{\n${entryIndent}${entries.join(`,\n${entryIndent}`)}${ + inspectOptions.trailingComma ? "," : "" + }\n${closingIndent}}`; + } else { + baseString = `{ ${entries.join(", ")} }`; + } + + if (shouldShowDisplayName) { + baseString = `${displayName} ${baseString}`; + } + + return baseString; + } + + function inspectObject( + value, + consoleContext, + level, + inspectOptions, + ) { + if (customInspect in value && typeof value[customInspect] === "function") { + try { + return String(value[customInspect]()); + } catch {} + } + if (value instanceof Error) { + return String(value.stack); + } else if (Array.isArray(value)) { + return inspectArray(value, consoleContext, level, inspectOptions); + } else if (value instanceof Number) { + return inspectNumberObject(value); + } else if (value instanceof Boolean) { + return inspectBooleanObject(value); + } else if (value instanceof String) { + return inspectStringObject(value); + } else if (value instanceof Promise) { + return inspectPromise(value, consoleContext, level, inspectOptions); + } else if (value instanceof RegExp) { + return inspectRegExp(value); + } else if (value instanceof Date) { + return inspectDate(value); + } else if (value instanceof Set) { + return inspectSet(value, consoleContext, level, inspectOptions); + } else if (value instanceof Map) { + return inspectMap(value, consoleContext, level, inspectOptions); + } else if (value instanceof WeakSet) { + return inspectWeakSet(); + } else if (value instanceof WeakMap) { + return inspectWeakMap(); + } else if (isTypedArray(value)) { + return inspectTypedArray( + Object.getPrototypeOf(value).constructor.name, + value, + consoleContext, + level, + inspectOptions, + ); + } else { + // Otherwise, default object formatting + return inspectRawObject(value, consoleContext, level, inspectOptions); + } + } + + function inspectArgs( + args, + inspectOptions = {}, + ) { + const rInspectOptions = { ...DEFAULT_INSPECT_OPTIONS, ...inspectOptions }; + const first = args[0]; + let a = 0; + let str = ""; + let join = ""; + + if (typeof first === "string") { + let tempStr; + let lastPos = 0; + + for (let i = 0; i < first.length - 1; i++) { + if (first.charCodeAt(i) === CHAR_PERCENT) { + const nextChar = first.charCodeAt(++i); + if (a + 1 !== args.length) { + switch (nextChar) { + case CHAR_LOWERCASE_S: + // format as a string + tempStr = String(args[++a]); + break; + case CHAR_LOWERCASE_D: + case CHAR_LOWERCASE_I: + // format as an integer + const tempInteger = args[++a]; + if (typeof tempInteger === "bigint") { + tempStr = `${tempInteger}n`; + } else if (typeof tempInteger === "symbol") { + tempStr = "NaN"; + } else { + tempStr = `${parseInt(String(tempInteger), 10)}`; + } + break; + case CHAR_LOWERCASE_F: + // format as a floating point value + const tempFloat = args[++a]; + if (typeof tempFloat === "symbol") { + tempStr = "NaN"; + } else { + tempStr = `${parseFloat(String(tempFloat))}`; + } + break; + case CHAR_LOWERCASE_O: + case CHAR_UPPERCASE_O: + // format as an object + tempStr = inspectValue( + args[++a], + new Set(), + 0, + rInspectOptions, + ); + break; + case CHAR_PERCENT: + str += first.slice(lastPos, i); + lastPos = i + 1; + continue; + case CHAR_LOWERCASE_C: + // TODO: applies CSS style rules to the output string as specified + 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 === CHAR_PERCENT) { + 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; + if (typeof value === "string") { + str += value; + } else { + // use default maximum depth for null or undefined argument + str += inspectValue(value, new Set(), 0, rInspectOptions); + } + join = " "; + a++; + } + + if (rInspectOptions.indentLevel > 0) { + const groupIndent = DEFAULT_INDENT.repeat(rInspectOptions.indentLevel); + if (str.indexOf("\n") !== -1) { + str = str.replace(/\n/g, `\n${groupIndent}`); + } + str = groupIndent + str; + } + + return str; + } + + const countMap = new Map(); + const timerMap = new Map(); + const isConsoleInstance = Symbol("isConsoleInstance"); + + 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 = Object.create({}); + Object.assign(console, this); + return console; + } + + log = (...args) => { + this.#printFunc( + inspectArgs(args, { + indentLevel: this.indentLevel, + }) + "\n", + false, + ); + }; + + debug = this.log; + info = this.log; + + dir = (obj, options = {}) => { + this.#printFunc(inspectArgs([obj], options) + "\n", false); + }; + + dirxml = this.dir; + + warn = (...args) => { + this.#printFunc( + inspectArgs(args, { + indentLevel: this.indentLevel, + }) + "\n", + true, + ); + }; + + error = this.warn; + + assert = (condition = false, ...args) => { + if (condition) { + return; + } + + if (args.length === 0) { + this.error("Assertion failed"); + return; + } + + const [first, ...rest] = args; + + if (typeof first === "string") { + this.error(`Assertion failed: ${first}`, ...rest); + return; + } + + this.error(`Assertion failed:`, ...args); + }; + + count = (label = "default") => { + label = String(label); + + if (countMap.has(label)) { + const current = countMap.get(label) || 0; + countMap.set(label, current + 1); + } else { + countMap.set(label, 1); + } + + this.info(`${label}: ${countMap.get(label)}`); + }; + + countReset = (label = "default") => { + label = String(label); + + if (countMap.has(label)) { + countMap.set(label, 0); + } else { + this.warn(`Count for '${label}' does not exist`); + } + }; + + table = (data, properties) => { + if (properties !== undefined && !Array.isArray(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 objectValues = {}; + const indexKeys = []; + const values = []; + + const stringifyValue = (value) => + inspectValueWithQuotes(value, new Set(), 0, { + ...DEFAULT_INSPECT_OPTIONS, + depth: 1, + }); + const toTable = (header, body) => this.log(cliTable(header, body)); + const createColumn = (value, shift) => [ + ...(shift ? [...new Array(shift)].map(() => "") : []), + stringifyValue(value), + ]; + + let resultData; + const isSet = data instanceof Set; + const isMap = data instanceof Map; + const valuesKey = "Values"; + const indexKey = isSet || isMap ? "(iter idx)" : "(idx)"; + + if (data instanceof Set) { + resultData = [...data]; + } else if (data instanceof Map) { + let idx = 0; + resultData = {}; + + data.forEach((v, k) => { + resultData[idx] = { Key: k, Values: v }; + idx++; + }); + } else { + resultData = data; + } + + let hasPrimitives = false; + Object.keys(resultData).forEach((k, idx) => { + const value = resultData[k]; + const primitive = value === null || + (typeof value !== "function" && typeof value !== "object"); + if (properties === undefined && primitive) { + hasPrimitives = true; + values.push(stringifyValue(value)); + } else { + const valueObj = value || {}; + const keys = properties || Object.keys(valueObj); + for (const k of keys) { + if (primitive || !valueObj.hasOwnProperty(k)) { + if (objectValues[k]) { + // fill with blanks for idx to avoid misplacing from later values + objectValues[k].push(""); + } + } else { + if (objectValues[k]) { + objectValues[k].push(stringifyValue(valueObj[k])); + } else { + objectValues[k] = createColumn(valueObj[k], idx); + } + } + } + values.push(""); + } + + indexKeys.push(k); + }); + + const headerKeys = Object.keys(objectValues); + const bodyValues = Object.values(objectValues); + const header = [ + indexKey, + ...(properties || + [...headerKeys, !isMap && hasPrimitives && valuesKey]), + ].filter(Boolean); + const body = [indexKeys, ...bodyValues, values]; + + toTable(header, body); + }; + + time = (label = "default") => { + label = String(label); + + if (timerMap.has(label)) { + this.warn(`Timer '${label}' already exists`); + return; + } + + timerMap.set(label, Date.now()); + }; + + timeLog = (label = "default", ...args) => { + label = String(label); + + if (!timerMap.has(label)) { + this.warn(`Timer '${label}' does not exists`); + return; + } + + const startTime = timerMap.get(label); + const duration = Date.now() - startTime; + + this.info(`${label}: ${duration}ms`, ...args); + }; + + timeEnd = (label = "default") => { + label = String(label); + + if (!timerMap.has(label)) { + this.warn(`Timer '${label}' does not exists`); + return; + } + + const startTime = timerMap.get(label); + timerMap.delete(label); + const duration = Date.now() - startTime; + + this.info(`${label}: ${duration}ms`); + }; + + group = (...label) => { + if (label.length > 0) { + this.log(...label); + } + this.indentLevel += 2; + }; + + groupCollapsed = this.group; + + groupEnd = () => { + if (this.indentLevel > 0) { + this.indentLevel -= 2; + } + }; + + clear = () => { + this.indentLevel = 0; + this.#printFunc(CSI.kClear, false); + this.#printFunc(CSI.kClearScreenDown, false); + }; + + trace = (...args) => { + const message = inspectArgs(args, { indentLevel: 0 }); + const err = { + name: "Trace", + message, + }; + Error.captureStackTrace(err, this.trace); + this.error(err.stack); + }; + + static [Symbol.hasInstance](instance) { + return instance[isConsoleInstance]; + } + } + + const customInspect = Symbol("Deno.customInspect"); + + function inspect( + value, + inspectOptions = {}, + ) { + if (typeof value === "string") { + return value; + } else { + return inspectValue(value, new Set(), 0, { + ...DEFAULT_INSPECT_OPTIONS, + ...inspectOptions, + // TODO(nayeemrmn): Indent level is not supported. + indentLevel: 0, + }); + } + } + + // Expose these fields to internalObject for tests. + exposeForTest("Console", Console); + exposeForTest("inspectArgs", inspectArgs); + + window.__bootstrap.console = { + CSI, + inspectArgs, + Console, + customInspect, + inspect, + }; +})(this); |