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; | |
Object.defineProperty(exports, "__esModule", { | |
value: true | |
}); | |
exports.shouldHighlight = shouldHighlight; | |
exports.getChalk = getChalk; | |
exports.default = highlight; | |
var _jsTokens = _interopRequireWildcard(require("js-tokens")); | |
var _helperValidatorIdentifier = require("@babel/helper-validator-identifier"); | |
var _chalk = _interopRequireDefault(require("chalk")); | |
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } | |
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; } | |
function getDefs(chalk) { | |
return { | |
keyword: chalk.cyan, | |
capitalized: chalk.yellow, | |
jsx_tag: 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 JSX_TAG = /^[a-z][\w-]*$/i; | |
const BRACKET = /^[()[\]{}]$/; | |
function getTokenType(match) { | |
const [offset, text] = match.slice(-2); | |
const token = (0, _jsTokens.matchToToken)(match); | |
if (token.type === "name") { | |
if ((0, _helperValidatorIdentifier.isKeyword)(token.value) || (0, _helperValidatorIdentifier.isReservedWord)(token.value)) { | |
return "keyword"; | |
} | |
if (JSX_TAG.test(token.value) && (text[offset - 1] === "<" || text.substr(offset - 2, 2) == "</")) { | |
return "jsx_tag"; | |
} | |
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; | |
} | |
function highlightTokens(defs, text) { | |
return text.replace(_jsTokens.default, function (...args) { | |
const type = getTokenType(args); | |
const colorize = defs[type]; | |
if (colorize) { | |
return args[0].split(NEWLINE).map(str => colorize(str)).join("\n"); | |
} else { | |
return args[0]; | |
} | |
}); | |
} | |
function shouldHighlight(options) { | |
return _chalk.default.supportsColor || options.forceColor; | |
} | |
function getChalk(options) { | |
let chalk = _chalk.default; | |
if (options.forceColor) { | |
chalk = new _chalk.default.constructor({ | |
enabled: true, | |
level: 1 | |
}); | |
} | |
return chalk; | |
} | |
function highlight(code, options = {}) { | |
if (shouldHighlight(options)) { | |
const chalk = getChalk(options); | |
const defs = getDefs(chalk); | |
return highlightTokens(defs, code); | |
} else { | |
return code; | |
} | |
} |