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- "use strict";
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.default = highlight;
- exports.shouldHighlight = shouldHighlight;
- var _jsTokens = require("js-tokens");
- var _helperValidatorIdentifier = require("@babel/helper-validator-identifier");
- var _chalk2 = require("chalk");
- const chalk = _chalk2;
- 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;
- }
- let chalkWithForcedColor = undefined;
- function getChalk(forceColor) {
- if (forceColor) {
- var _chalkWithForcedColor;
- (_chalkWithForcedColor = chalkWithForcedColor) != null ? _chalkWithForcedColor : chalkWithForcedColor = new chalk.constructor({
- enabled: true,
- level: 1
- });
- return chalkWithForcedColor;
- }
- return chalk;
- }
- {
- {
- exports.getChalk = options => getChalk(options.forceColor);
- }
- }
- function highlight(code, options = {}) {
- if (code !== "" && shouldHighlight(options)) {
- const defs = getDefs(getChalk(options.forceColor));
- return highlightTokens(defs, code);
- } else {
- return code;
- }
- }
- //# sourceMappingURL=index.js.map
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