summaryrefslogtreecommitdiff
path: root/node_modules/@babel/highlight/lib/index.js
diff options
context:
space:
mode:
Diffstat (limited to 'node_modules/@babel/highlight/lib/index.js')
-rw-r--r--node_modules/@babel/highlight/lib/index.js105
1 files changed, 105 insertions, 0 deletions
diff --git a/node_modules/@babel/highlight/lib/index.js b/node_modules/@babel/highlight/lib/index.js
new file mode 100644
index 00000000..cb718afd
--- /dev/null
+++ b/node_modules/@babel/highlight/lib/index.js
@@ -0,0 +1,105 @@
+"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 _chalk = _interopRequireWildcard(require("chalk"), true);
+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); }
+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; }
+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.default.level > 0 || options.forceColor;
+}
+let chalkWithForcedColor = undefined;
+function getChalk(forceColor) {
+ if (forceColor) {
+ var _chalkWithForcedColor;
+ (_chalkWithForcedColor = chalkWithForcedColor) != null ? _chalkWithForcedColor : chalkWithForcedColor = new _chalk.default.constructor({
+ enabled: true,
+ level: 1
+ });
+ return chalkWithForcedColor;
+ }
+ return _chalk.default;
+}
+{
+ 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