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