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'use strict';
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Object.defineProperty(exports, '__esModule', { value: true });
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var picocolors = require('picocolors');
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var jsTokens = require('js-tokens');
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var helperValidatorIdentifier = require('@babel/helper-validator-identifier');
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function isColorSupported() {
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return (typeof process === "object" && (process.env.FORCE_COLOR === "0" || process.env.FORCE_COLOR === "false") ? false : picocolors.isColorSupported
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);
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}
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const compose = (f, g) => v => f(g(v));
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function buildDefs(colors) {
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return {
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keyword: colors.cyan,
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capitalized: colors.yellow,
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jsxIdentifier: colors.yellow,
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punctuator: colors.yellow,
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number: colors.magenta,
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string: colors.green,
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regex: colors.magenta,
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comment: colors.gray,
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invalid: compose(compose(colors.white, colors.bgRed), colors.bold),
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gutter: colors.gray,
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marker: compose(colors.red, colors.bold),
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message: compose(colors.red, colors.bold),
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reset: colors.reset
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};
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}
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const defsOn = buildDefs(picocolors.createColors(true));
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const defsOff = buildDefs(picocolors.createColors(false));
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function getDefs(enabled) {
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return enabled ? defsOn : defsOff;
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}
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const sometimesKeywords = new Set(["as", "async", "from", "get", "of", "set"]);
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const NEWLINE$1 = /\r\n|[\n\r\u2028\u2029]/;
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const BRACKET = /^[()[\]{}]$/;
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let tokenize;
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const JSX_TAG = /^[a-z][\w-]*$/i;
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const getTokenType = function (token, offset, text) {
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if (token.type === "name") {
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const tokenValue = token.value;
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if (helperValidatorIdentifier.isKeyword(tokenValue) || helperValidatorIdentifier.isStrictReservedWord(tokenValue, true) || sometimesKeywords.has(tokenValue)) {
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return "keyword";
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}
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if (JSX_TAG.test(tokenValue) && (text[offset - 1] === "<" || text.slice(offset - 2, offset) === "</")) {
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return "jsxIdentifier";
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}
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const firstChar = String.fromCodePoint(tokenValue.codePointAt(0));
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if (firstChar !== firstChar.toLowerCase()) {
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return "capitalized";
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}
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}
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if (token.type === "punctuator" && BRACKET.test(token.value)) {
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return "bracket";
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}
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if (token.type === "invalid" && (token.value === "@" || token.value === "#")) {
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return "punctuator";
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}
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return token.type;
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};
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tokenize = function* (text) {
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let match;
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while (match = jsTokens.default.exec(text)) {
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const token = jsTokens.matchToToken(match);
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yield {
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type: getTokenType(token, match.index, text),
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value: token.value
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};
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}
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};
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function highlight(text) {
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if (text === "") return "";
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const defs = getDefs(true);
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let highlighted = "";
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for (const {
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type,
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value
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} of tokenize(text)) {
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if (type in defs) {
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highlighted += value.split(NEWLINE$1).map(str => defs[type](str)).join("\n");
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} else {
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highlighted += value;
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}
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}
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return highlighted;
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}
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let deprecationWarningShown = false;
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const NEWLINE = /\r\n|[\n\r\u2028\u2029]/;
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function getMarkerLines(loc, source, opts, startLineBaseZero) {
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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 - startLineBaseZero;
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const startColumn = startLoc.column;
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const endLine = endLoc.line - startLineBaseZero;
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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 shouldHighlight = opts.forceColor || isColorSupported() && opts.highlightCode;
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const startLineBaseZero = (opts.startLine || 1) - 1;
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const defs = getDefs(shouldHighlight);
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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, startLineBaseZero);
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const hasColumns = loc.start && typeof loc.start.column === "number";
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const numberMaxWidth = String(end + startLineBaseZero).length;
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const highlightedLines = shouldHighlight ? highlight(rawLines) : rawLines;
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let frame = highlightedLines.split(NEWLINE, end).slice(start, end).map((line, index) => {
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const number = start + 1 + index;
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const paddedNumber = ` ${number + startLineBaseZero}`.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 ", defs.gutter(gutter.replace(/\d/g, " ")), " ", markerSpacing, defs.marker("^").repeat(numberOfMarkers)].join("");
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if (lastMarkerLine && opts.message) {
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markerLine += " " + defs.message(opts.message);
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}
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}
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return [defs.marker(">"), defs.gutter(gutter), line.length > 0 ? ` ${line}` : "", markerLine].join("");
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} else {
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return ` ${defs.gutter(gutter)}${line.length > 0 ? ` ${line}` : ""}`;
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}
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}).join("\n");
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if (opts.message && !hasColumns) {
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frame = `${" ".repeat(numberMaxWidth + 1)}${opts.message}\n${frame}`;
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}
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if (shouldHighlight) {
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return defs.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 index (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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}
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exports.codeFrameColumns = codeFrameColumns;
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exports.default = index;
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exports.highlight = highlight;
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//# sourceMappingURL=index.js.map
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+1
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{"version":3,"file":"index.js","sources":["../src/defs.ts","../src/highlight.ts","../src/index.ts"],"sourcesContent":["import picocolors, { createColors } from \"picocolors\";\nimport type { Colors, Formatter } from \"picocolors/types\";\n\nexport function isColorSupported() {\n return (\n // See https://github.com/alexeyraspopov/picocolors/issues/62\n typeof process === \"object\" &&\n (process.env.FORCE_COLOR === \"0\" || process.env.FORCE_COLOR === \"false\")\n ? false\n : picocolors.isColorSupported\n );\n}\n\nexport type InternalTokenType =\n | \"keyword\"\n | \"capitalized\"\n | \"jsxIdentifier\"\n | \"punctuator\"\n | \"number\"\n | \"string\"\n | \"regex\"\n | \"comment\"\n | \"invalid\";\n\ntype UITokens = \"gutter\" | \"marker\" | \"message\";\n\nexport type Defs = Record<InternalTokenType | UITokens | \"reset\", Formatter>;\n\nconst compose: <T, U, V>(f: (gv: U) => V, g: (v: T) => U) => (v: T) => V =\n (f, g) => v =>\n f(g(v));\n\n/**\n * Styles for token types.\n */\nfunction buildDefs(colors: Colors): Defs {\n return {\n keyword: colors.cyan,\n capitalized: colors.yellow,\n jsxIdentifier: colors.yellow,\n punctuator: colors.yellow,\n number: colors.magenta,\n string: colors.green,\n regex: colors.magenta,\n comment: colors.gray,\n invalid: compose(compose(colors.white, colors.bgRed), colors.bold),\n\n gutter: colors.gray,\n marker: compose(colors.red, colors.bold),\n message: compose(colors.red, colors.bold),\n\n reset: colors.reset,\n };\n}\n\nconst defsOn = buildDefs(createColors(true));\nconst defsOff = buildDefs(createColors(false));\n\nexport function getDefs(enabled: boolean): Defs {\n return enabled ? defsOn : defsOff;\n}\n","import type { Token as JSToken, JSXToken } from \"js-tokens\";\nimport jsTokens from \"js-tokens\";\n// We inline this package\n// eslint-disable-next-line import/no-extraneous-dependencies\nimport * as charCodes from \"charcodes\";\n\nimport {\n isStrictReservedWord,\n isKeyword,\n} from \"@babel/helper-validator-identifier\";\n\nimport { getDefs, type InternalTokenType } from \"./defs.ts\";\n\n/**\n * Names that are always allowed as identifiers, but also appear as keywords\n * within certain syntactic productions.\n *\n * https://tc39.es/ecma262/#sec-keywords-and-reserved-words\n *\n * `target` has been omitted since it is very likely going to be a false\n * positive.\n */\nconst sometimesKeywords = new Set([\"as\", \"async\", \"from\", \"get\", \"of\", \"set\"]);\n\ntype Token = {\n type: InternalTokenType | \"uncolored\";\n value: string;\n};\n\n/**\n * RegExp to test for newlines in terminal.\n */\nconst NEWLINE = /\\r\\n|[\\n\\r\\u2028\\u2029]/;\n\n/**\n * RegExp to test for the three types of brackets.\n */\nconst BRACKET = /^[()[\\]{}]$/;\n\nlet tokenize: (\n text: string,\n) => Generator<{ type: InternalTokenType | \"uncolored\"; value: string }>;\n\nif (process.env.BABEL_8_BREAKING) {\n /**\n * Get the type of token, specifying punctuator type.\n */\n const getTokenType = function (\n token: JSToken | JSXToken,\n ): InternalTokenType | \"uncolored\" {\n if (token.type === \"IdentifierName\") {\n const tokenValue = token.value;\n if (\n isKeyword(tokenValue) ||\n isStrictReservedWord(tokenValue, true) ||\n sometimesKeywords.has(tokenValue)\n ) {\n return \"keyword\";\n }\n\n const firstChar = tokenValue.charCodeAt(0);\n if (firstChar < 128) {\n // ASCII characters\n if (\n firstChar >= charCodes.uppercaseA &&\n firstChar <= charCodes.uppercaseZ\n ) {\n return \"capitalized\";\n }\n } else {\n const firstChar = String.fromCodePoint(tokenValue.codePointAt(0));\n if (firstChar !== firstChar.toLowerCase()) {\n return \"capitalized\";\n }\n }\n }\n\n if (token.type === \"Punctuator\" && BRACKET.test(token.value)) {\n return \"uncolored\";\n }\n\n if (token.type === \"Invalid\" && token.value === \"@\") {\n return \"punctuator\";\n }\n\n switch (token.type) {\n case \"NumericLiteral\":\n return \"number\";\n\n case \"StringLiteral\":\n case \"JSXString\":\n case \"NoSubstitutionTemplate\":\n return \"string\";\n\n case \"RegularExpressionLiteral\":\n return \"regex\";\n\n case \"Punctuator\":\n case \"JSXPunctuator\":\n return \"punctuator\";\n\n case \"MultiLineComment\":\n case \"SingleLineComment\":\n return \"comment\";\n\n case \"Invalid\":\n case \"JSXInvalid\":\n return \"invalid\";\n\n case \"JSXIdentifier\":\n return \"jsxIdentifier\";\n\n default:\n return \"uncolored\";\n }\n };\n\n /**\n * Turn a string of JS into an array of objects.\n */\n tokenize = function* (text: string): Generator<Token> {\n for (const token of jsTokens(text, { jsx: true }Line truncated
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