File name
Commit message
Commit date
File name
Commit message
Commit date
File name
Commit message
Commit date
File name
Commit message
Commit date
File name
Commit message
Commit date
"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;
}
}