You can not select more than 25 topics
			Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
		
		
		
		
		
			
		
			
				
					
					
						
							116 lines
						
					
					
						
							2.7 KiB
						
					
					
				
			
		
		
	
	
							116 lines
						
					
					
						
							2.7 KiB
						
					
					
				| "use strict";
 | |
| 
 | |
| Object.defineProperty(exports, "__esModule", {
 | |
|   value: true
 | |
| });
 | |
| exports.default = highlight;
 | |
| exports.getChalk = getChalk;
 | |
| exports.shouldHighlight = shouldHighlight;
 | |
| 
 | |
| var _jsTokens = require("js-tokens");
 | |
| 
 | |
| var _helperValidatorIdentifier = require("@babel/helper-validator-identifier");
 | |
| 
 | |
| var _chalk = require("chalk");
 | |
| 
 | |
| const sometimesKeywords = new Set(["as", "async", "from", "get", "of", "set"]);
 | |
| 
 | |
| function getDefs(chalk) {
 | |
|   return {
 | |
|     keyword: chalk.cyan,
 | |
|     capitalized: chalk.yellow,
 | |
|     jsxIdentifier: chalk.yellow,
 | |
|     punctuator: chalk.yellow,
 | |
|     number: chalk.magenta,
 | |
|     string: chalk.green,
 | |
|     regex: chalk.magenta,
 | |
|     comment: chalk.grey,
 | |
|     invalid: chalk.white.bgRed.bold
 | |
|   };
 | |
| }
 | |
| 
 | |
| const NEWLINE = /\r\n|[\n\r\u2028\u2029]/;
 | |
| const BRACKET = /^[()[\]{}]$/;
 | |
| let tokenize;
 | |
| {
 | |
|   const JSX_TAG = /^[a-z][\w-]*$/i;
 | |
| 
 | |
|   const getTokenType = function (token, offset, text) {
 | |
|     if (token.type === "name") {
 | |
|       if ((0, _helperValidatorIdentifier.isKeyword)(token.value) || (0, _helperValidatorIdentifier.isStrictReservedWord)(token.value, true) || sometimesKeywords.has(token.value)) {
 | |
|         return "keyword";
 | |
|       }
 | |
| 
 | |
|       if (JSX_TAG.test(token.value) && (text[offset - 1] === "<" || text.slice(offset - 2, offset) == "</")) {
 | |
|         return "jsxIdentifier";
 | |
|       }
 | |
| 
 | |
|       if (token.value[0] !== token.value[0].toLowerCase()) {
 | |
|         return "capitalized";
 | |
|       }
 | |
|     }
 | |
| 
 | |
|     if (token.type === "punctuator" && BRACKET.test(token.value)) {
 | |
|       return "bracket";
 | |
|     }
 | |
| 
 | |
|     if (token.type === "invalid" && (token.value === "@" || token.value === "#")) {
 | |
|       return "punctuator";
 | |
|     }
 | |
| 
 | |
|     return token.type;
 | |
|   };
 | |
| 
 | |
|   tokenize = function* (text) {
 | |
|     let match;
 | |
| 
 | |
|     while (match = _jsTokens.default.exec(text)) {
 | |
|       const token = _jsTokens.matchToToken(match);
 | |
| 
 | |
|       yield {
 | |
|         type: getTokenType(token, match.index, text),
 | |
|         value: token.value
 | |
|       };
 | |
|     }
 | |
|   };
 | |
| }
 | |
| 
 | |
| function highlightTokens(defs, text) {
 | |
|   let highlighted = "";
 | |
| 
 | |
|   for (const {
 | |
|     type,
 | |
|     value
 | |
|   } of tokenize(text)) {
 | |
|     const colorize = defs[type];
 | |
| 
 | |
|     if (colorize) {
 | |
|       highlighted += value.split(NEWLINE).map(str => colorize(str)).join("\n");
 | |
|     } else {
 | |
|       highlighted += value;
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   return highlighted;
 | |
| }
 | |
| 
 | |
| function shouldHighlight(options) {
 | |
|   return !!_chalk.supportsColor || options.forceColor;
 | |
| }
 | |
| 
 | |
| function getChalk(options) {
 | |
|   return options.forceColor ? new _chalk.constructor({
 | |
|     enabled: true,
 | |
|     level: 1
 | |
|   }) : _chalk;
 | |
| }
 | |
| 
 | |
| function highlight(code, options = {}) {
 | |
|   if (code !== "" && shouldHighlight(options)) {
 | |
|     const chalk = getChalk(options);
 | |
|     const defs = getDefs(chalk);
 | |
|     return highlightTokens(defs, code);
 | |
|   } else {
 | |
|     return code;
 | |
|   }
 | |
| } |