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- 'use strict';
- Object.defineProperty(exports, '__esModule', {
- value: true
- });
- exports.extract = extract;
- exports.strip = strip;
- exports.parse = parse;
- exports.parseWithComments = parseWithComments;
- exports.print = print;
- function _os() {
- const data = require('os');
- _os = function _os() {
- return data;
- };
- return data;
- }
- function _detectNewline() {
- const data = _interopRequireDefault(require('detect-newline'));
- _detectNewline = function _detectNewline() {
- return data;
- };
- return data;
- }
- function _interopRequireDefault(obj) {
- return obj && obj.__esModule ? obj : {default: obj};
- }
- /**
- * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- */
- const commentEndRe = /\*\/$/;
- const commentStartRe = /^\/\*\*/;
- const docblockRe = /^\s*(\/\*\*?(.|\r?\n)*?\*\/)/;
- const lineCommentRe = /(^|\s+)\/\/([^\r\n]*)/g;
- const ltrimNewlineRe = /^(\r?\n)+/;
- const multilineRe = /(?:^|\r?\n) *(@[^\r\n]*?) *\r?\n *(?![^@\r\n]*\/\/[^]*)([^@\r\n\s][^@\r\n]+?) *\r?\n/g;
- const propertyRe = /(?:^|\r?\n) *@(\S+) *([^\r\n]*)/g;
- const stringStartRe = /(\r?\n|^) *\* ?/g;
- function extract(contents) {
- const match = contents.match(docblockRe);
- return match ? match[0].trimLeft() : '';
- }
- function strip(contents) {
- const match = contents.match(docblockRe);
- return match && match[0] ? contents.substring(match[0].length) : contents;
- }
- function parse(docblock) {
- return parseWithComments(docblock).pragmas;
- }
- function parseWithComments(docblock) {
- const line = (0, _detectNewline().default)(docblock) || _os().EOL;
- docblock = docblock
- .replace(commentStartRe, '')
- .replace(commentEndRe, '')
- .replace(stringStartRe, '$1'); // Normalize multi-line directives
- let prev = '';
- while (prev !== docblock) {
- prev = docblock;
- docblock = docblock.replace(multilineRe, `${line}$1 $2${line}`);
- }
- docblock = docblock.replace(ltrimNewlineRe, '').trimRight();
- const result = Object.create(null);
- const comments = docblock
- .replace(propertyRe, '')
- .replace(ltrimNewlineRe, '')
- .trimRight();
- let match;
- while ((match = propertyRe.exec(docblock))) {
- // strip linecomments from pragmas
- const nextPragma = match[2].replace(lineCommentRe, '');
- if (
- typeof result[match[1]] === 'string' ||
- Array.isArray(result[match[1]])
- ) {
- result[match[1]] = [].concat(result[match[1]], nextPragma);
- } else {
- result[match[1]] = nextPragma;
- }
- }
- return {
- comments,
- pragmas: result
- };
- }
- function print({comments = '', pragmas = {}}) {
- const line = (0, _detectNewline().default)(comments) || _os().EOL;
- const head = '/**';
- const start = ' *';
- const tail = ' */';
- const keys = Object.keys(pragmas);
- const printedObject = keys
- .map(key => printKeyValues(key, pragmas[key]))
- .reduce((arr, next) => arr.concat(next), [])
- .map(keyValue => start + ' ' + keyValue + line)
- .join('');
- if (!comments) {
- if (keys.length === 0) {
- return '';
- }
- if (keys.length === 1 && !Array.isArray(pragmas[keys[0]])) {
- const value = pragmas[keys[0]];
- return `${head} ${printKeyValues(keys[0], value)[0]}${tail}`;
- }
- }
- const printedComments =
- comments
- .split(line)
- .map(textLine => `${start} ${textLine}`)
- .join(line) + line;
- return (
- head +
- line +
- (comments ? printedComments : '') +
- (comments && keys.length ? start + line : '') +
- printedObject +
- tail
- );
- }
- function printKeyValues(key, valueOrArray) {
- return [].concat(valueOrArray).map(value => `@${key} ${value}`.trim());
- }
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