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- "use strict";
-
- 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);
- }
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