106 lines
4.0 KiB
JavaScript
106 lines
4.0 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = highlight;
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exports.shouldHighlight = shouldHighlight;
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var _jsTokens = require("js-tokens");
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var _helperValidatorIdentifier = require("@babel/helper-validator-identifier");
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var _chalk = _interopRequireWildcard(require("chalk"), true);
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function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
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function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && 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; }
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const sometimesKeywords = new Set(["as", "async", "from", "get", "of", "set"]);
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function getDefs(chalk) {
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return {
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keyword: chalk.cyan,
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capitalized: chalk.yellow,
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jsxIdentifier: chalk.yellow,
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punctuator: chalk.yellow,
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number: chalk.magenta,
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string: chalk.green,
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regex: chalk.magenta,
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comment: chalk.grey,
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invalid: chalk.white.bgRed.bold
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};
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}
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const NEWLINE = /\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 ((0, _helperValidatorIdentifier.isKeyword)(token.value) || (0, _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 highlightTokens(defs, text) {
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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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const colorize = defs[type];
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if (colorize) {
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highlighted += value.split(NEWLINE).map(str => colorize(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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function shouldHighlight(options) {
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return _chalk.default.level > 0 || options.forceColor;
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}
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let chalkWithForcedColor = undefined;
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function getChalk(forceColor) {
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if (forceColor) {
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var _chalkWithForcedColor;
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(_chalkWithForcedColor = chalkWithForcedColor) != null ? _chalkWithForcedColor : chalkWithForcedColor = new _chalk.default.constructor({
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enabled: true,
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level: 1
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});
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return chalkWithForcedColor;
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}
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return _chalk.default;
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}
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{
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exports.getChalk = options => getChalk(options.forceColor);
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}
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function highlight(code, options = {}) {
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if (code !== "" && shouldHighlight(options)) {
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const defs = getDefs(getChalk(options.forceColor));
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return highlightTokens(defs, code);
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} else {
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return code;
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}
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}
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//# sourceMappingURL=index.js.map
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