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"use strict"; |
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Object.defineProperty(exports, "__esModule", { |
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value: true |
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}); |
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exports.codeFrameColumns = codeFrameColumns; |
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exports.default = _default; |
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function _highlight() { |
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const data = _interopRequireWildcard(require("@babel/highlight")); |
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_highlight = function () { |
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return data; |
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}; |
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return data; |
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} |
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function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } } |
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let deprecationWarningShown = false; |
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function getDefs(chalk) { |
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return { |
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gutter: chalk.grey, |
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marker: chalk.red.bold, |
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message: chalk.red.bold |
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}; |
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} |
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const NEWLINE = /\r\n|[\n\r\u2028\u2029]/; |
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function getMarkerLines(loc, source, opts) { |
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const startLoc = Object.assign({ |
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column: 0, |
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line: -1 |
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}, loc.start); |
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const endLoc = Object.assign({}, startLoc, loc.end); |
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const { |
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linesAbove = 2, |
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linesBelow = 3 |
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} = opts || {}; |
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const startLine = startLoc.line; |
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const startColumn = startLoc.column; |
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const endLine = endLoc.line; |
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const endColumn = endLoc.column; |
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let start = Math.max(startLine - (linesAbove + 1), 0); |
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let end = Math.min(source.length, endLine + linesBelow); |
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if (startLine === -1) { |
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start = 0; |
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} |
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if (endLine === -1) { |
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end = source.length; |
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} |
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const lineDiff = endLine - startLine; |
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const markerLines = {}; |
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if (lineDiff) { |
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for (let i = 0; i <= lineDiff; i++) { |
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const lineNumber = i + startLine; |
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if (!startColumn) { |
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markerLines[lineNumber] = true; |
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} else if (i === 0) { |
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const sourceLength = source[lineNumber - 1].length; |
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markerLines[lineNumber] = [startColumn, sourceLength - startColumn + 1]; |
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} else if (i === lineDiff) { |
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markerLines[lineNumber] = [0, endColumn]; |
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} else { |
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const sourceLength = source[lineNumber - i].length; |
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markerLines[lineNumber] = [0, sourceLength]; |
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} |
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} |
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} else { |
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if (startColumn === endColumn) { |
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if (startColumn) { |
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markerLines[startLine] = [startColumn, 0]; |
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} else { |
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markerLines[startLine] = true; |
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} |
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} else { |
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markerLines[startLine] = [startColumn, endColumn - startColumn]; |
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} |
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} |
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return { |
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start, |
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end, |
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markerLines |
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}; |
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} |
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function codeFrameColumns(rawLines, loc, opts = {}) { |
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const highlighted = (opts.highlightCode || opts.forceColor) && (0, _highlight().shouldHighlight)(opts); |
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const chalk = (0, _highlight().getChalk)(opts); |
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const defs = getDefs(chalk); |
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const maybeHighlight = (chalkFn, string) => { |
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return highlighted ? chalkFn(string) : string; |
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}; |
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const lines = rawLines.split(NEWLINE); |
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const { |
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start, |
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end, |
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markerLines |
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} = getMarkerLines(loc, lines, opts); |
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const hasColumns = loc.start && typeof loc.start.column === "number"; |
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const numberMaxWidth = String(end).length; |
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const highlightedLines = highlighted ? (0, _highlight().default)(rawLines, opts) : rawLines; |
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let frame = highlightedLines.split(NEWLINE).slice(start, end).map((line, index) => { |
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const number = start + 1 + index; |
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const paddedNumber = ` ${number}`.slice(-numberMaxWidth); |
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const gutter = ` ${paddedNumber} | `; |
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const hasMarker = markerLines[number]; |
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const lastMarkerLine = !markerLines[number + 1]; |
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if (hasMarker) { |
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let markerLine = ""; |
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if (Array.isArray(hasMarker)) { |
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const markerSpacing = line.slice(0, Math.max(hasMarker[0] - 1, 0)).replace(/[^\t]/g, " "); |
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const numberOfMarkers = hasMarker[1] || 1; |
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markerLine = ["\n ", maybeHighlight(defs.gutter, gutter.replace(/\d/g, " ")), markerSpacing, maybeHighlight(defs.marker, "^").repeat(numberOfMarkers)].join(""); |
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if (lastMarkerLine && opts.message) { |
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markerLine += " " + maybeHighlight(defs.message, opts.message); |
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} |
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} |
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return [maybeHighlight(defs.marker, ">"), maybeHighlight(defs.gutter, gutter), line, markerLine].join(""); |
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} else { |
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return ` ${maybeHighlight(defs.gutter, gutter)}${line}`; |
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} |
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}).join("\n"); |
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if (opts.message && !hasColumns) { |
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frame = `${" ".repeat(numberMaxWidth + 1)}${opts.message}\n${frame}`; |
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} |
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if (highlighted) { |
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return chalk.reset(frame); |
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} else { |
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return frame; |
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} |
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} |
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function _default(rawLines, lineNumber, colNumber, opts = {}) { |
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if (!deprecationWarningShown) { |
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deprecationWarningShown = true; |
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const message = "Passing lineNumber and colNumber is deprecated to @babel/code-frame. Please use `codeFrameColumns`."; |
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if (process.emitWarning) { |
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process.emitWarning(message, "DeprecationWarning"); |
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} else { |
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const deprecationError = new Error(message); |
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deprecationError.name = "DeprecationWarning"; |
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console.warn(new Error(message)); |
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} |
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} |
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colNumber = Math.max(colNumber, 0); |
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const location = { |
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start: { |
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column: colNumber, |
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line: lineNumber |
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} |
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}; |
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return codeFrameColumns(rawLines, location, opts); |
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} |