217 lines
		
	
	
		
			6.8 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			217 lines
		
	
	
		
			6.8 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| 'use strict';
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| 
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| Object.defineProperty(exports, '__esModule', { value: true });
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| 
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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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| 
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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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| 
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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 = /^[()[\]{}]$/;
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| let tokenize;
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| {
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|   const JSX_TAG = /^[a-z][\w-]*$/i;
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|   const getTokenType = function (token, offset, text) {
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|     if (token.type === "name") {
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|       if (helperValidatorIdentifier.isKeyword(token.value) || helperValidatorIdentifier.isStrictReservedWord(token.value, true) || sometimesKeywords.has(token.value)) {
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|         return "keyword";
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|       }
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|       if (JSX_TAG.test(token.value) && (text[offset - 1] === "<" || text.slice(offset - 2, offset) === "</")) {
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|         return "jsxIdentifier";
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|       }
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|       if (token.value[0] !== token.value[0].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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| }
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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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| 
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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) {
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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 shouldHighlight = opts.forceColor || isColorSupported() && opts.highlightCode;
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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);
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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 = 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}`.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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| 
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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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