🎉 initiate project *astro_rewrite*

node_modules/gray-matter/lib/defaults.js

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+'use strict';
+
+const engines = require('./engines');
+const utils = require('./utils');
+
+module.exports = function(options) {
+  const opts = Object.assign({}, options);
+
+  // ensure that delimiters are an array
+  opts.delimiters = utils.arrayify(opts.delims || opts.delimiters || '---');
+  if (opts.delimiters.length === 1) {
+    opts.delimiters.push(opts.delimiters[0]);
+  }
+
+  opts.language = (opts.language || opts.lang || 'yaml').toLowerCase();
+  opts.engines = Object.assign({}, engines, opts.parsers, opts.engines);
+  return opts;
+};

node_modules/gray-matter/lib/engine.js

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+'use strict';
+
+module.exports = function(name, options) {
+  let engine = options.engines[name] || options.engines[aliase(name)];
+  if (typeof engine === 'undefined') {
+    throw new Error('gray-matter engine "' + name + '" is not registered');
+  }
+  if (typeof engine === 'function') {
+    engine = { parse: engine };
+  }
+  return engine;
+};
+
+function aliase(name) {
+  switch (name.toLowerCase()) {
+    case 'js':
+    case 'javascript':
+      return 'javascript';
+    case 'coffee':
+    case 'coffeescript':
+    case 'cson':
+      return 'coffee';
+    case 'yaml':
+    case 'yml':
+      return 'yaml';
+    default: {
+      return name;
+    }
+  }
+}

node_modules/gray-matter/lib/engines.js

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+'use strict';
+
+const yaml = require('js-yaml');
+
+/**
+ * Default engines
+ */
+
+const engines = exports = module.exports;
+
+/**
+ * YAML
+ */
+
+engines.yaml = {
+  parse: yaml.safeLoad.bind(yaml),
+  stringify: yaml.safeDump.bind(yaml)
+};
+
+/**
+ * JSON
+ */
+
+engines.json = {
+  parse: JSON.parse.bind(JSON),
+  stringify: function(obj, options) {
+    const opts = Object.assign({replacer: null, space: 2}, options);
+    return JSON.stringify(obj, opts.replacer, opts.space);
+  }
+};
+
+/**
+ * JavaScript
+ */
+
+engines.javascript = {
+  parse: function parse(str, options, wrap) {
+    /* eslint no-eval: 0 */
+    try {
+      if (wrap !== false) {
+        str = '(function() {\nreturn ' + str.trim() + ';\n}());';
+      }
+      return eval(str) || {};
+    } catch (err) {
+      if (wrap !== false && /(unexpected|identifier)/i.test(err.message)) {
+        return parse(str, options, false);
+      }
+      throw new SyntaxError(err);
+    }
+  },
+  stringify: function() {
+    throw new Error('stringifying JavaScript is not supported');
+  }
+};

node_modules/gray-matter/lib/excerpt.js

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+'use strict';
+
+const defaults = require('./defaults');
+
+module.exports = function(file, options) {
+  const opts = defaults(options);
+
+  if (file.data == null) {
+    file.data = {};
+  }
+
+  if (typeof opts.excerpt === 'function') {
+    return opts.excerpt(file, opts);
+  }
+
+  const sep = file.data.excerpt_separator || opts.excerpt_separator;
+  if (sep == null && (opts.excerpt === false || opts.excerpt == null)) {
+    return file;
+  }
+
+  const delimiter = typeof opts.excerpt === 'string'
+    ? opts.excerpt
+    : (sep || opts.delimiters[0]);
+
+  // if enabled, get the excerpt defined after front-matter
+  const idx = file.content.indexOf(delimiter);
+  if (idx !== -1) {
+    file.excerpt = file.content.slice(0, idx);
+  }
+
+  return file;
+};

node_modules/gray-matter/lib/parse.js

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+'use strict';
+
+const getEngine = require('./engine');
+const defaults = require('./defaults');
+
+module.exports = function(language, str, options) {
+  const opts = defaults(options);
+  const engine = getEngine(language, opts);
+  if (typeof engine.parse !== 'function') {
+    throw new TypeError('expected "' + language + '.parse" to be a function');
+  }
+  return engine.parse(str, opts);
+};

node_modules/gray-matter/lib/stringify.js

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+'use strict';
+
+const typeOf = require('kind-of');
+const getEngine = require('./engine');
+const defaults = require('./defaults');
+
+module.exports = function(file, data, options) {
+  if (data == null && options == null) {
+    switch (typeOf(file)) {
+      case 'object':
+        data = file.data;
+        options = {};
+        break;
+      case 'string':
+        return file;
+      default: {
+        throw new TypeError('expected file to be a string or object');
+      }
+    }
+  }
+
+  const str = file.content;
+  const opts = defaults(options);
+  if (data == null) {
+    if (!opts.data) return file;
+    data = opts.data;
+  }
+
+  const language = file.language || opts.language;
+  const engine = getEngine(language, opts);
+  if (typeof engine.stringify !== 'function') {
+    throw new TypeError('expected "' + language + '.stringify" to be a function');
+  }
+
+  data = Object.assign({}, file.data, data);
+  const open = opts.delimiters[0];
+  const close = opts.delimiters[1];
+  const matter = engine.stringify(data, options).trim();
+  let buf = '';
+
+  if (matter !== '{}') {
+    buf = newline(open) + newline(matter) + newline(close);
+  }
+
+  if (typeof file.excerpt === 'string' && file.excerpt !== '') {
+    if (str.indexOf(file.excerpt.trim()) === -1) {
+      buf += newline(file.excerpt) + newline(close);
+    }
+  }
+
+  return buf + newline(str);
+};
+
+function newline(str) {
+  return str.slice(-1) !== '\n' ? str + '\n' : str;
+}

node_modules/gray-matter/lib/to-file.js

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+'use strict';
+
+const typeOf = require('kind-of');
+const stringify = require('./stringify');
+const utils = require('./utils');
+
+/**
+ * Normalize the given value to ensure an object is returned
+ * with the expected properties.
+ */
+
+module.exports = function(file) {
+  if (typeOf(file) !== 'object') {
+    file = { content: file };
+  }
+
+  if (typeOf(file.data) !== 'object') {
+    file.data = {};
+  }
+
+  // if file was passed as an object, ensure that
+  // "file.content" is set
+  if (file.contents && file.content == null) {
+    file.content = file.contents;
+  }
+
+  // set non-enumerable properties on the file object
+  utils.define(file, 'orig', utils.toBuffer(file.content));
+  utils.define(file, 'language', file.language || '');
+  utils.define(file, 'matter', file.matter || '');
+  utils.define(file, 'stringify', function(data, options) {
+    if (options && options.language) {
+      file.language = options.language;
+    }
+    return stringify(file, data, options);
+  });
+
+  // strip BOM and ensure that "file.content" is a string
+  file.content = utils.toString(file.content);
+  file.isEmpty = false;
+  file.excerpt = '';
+  return file;
+};

node_modules/gray-matter/lib/utils.js

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+'use strict';
+
+const stripBom = require('strip-bom-string');
+const typeOf = require('kind-of');
+
+exports.define = function(obj, key, val) {
+  Reflect.defineProperty(obj, key, {
+    enumerable: false,
+    configurable: true,
+    writable: true,
+    value: val
+  });
+};
+
+/**
+ * Returns true if `val` is a buffer
+ */
+
+exports.isBuffer = function(val) {
+  return typeOf(val) === 'buffer';
+};
+
+/**
+ * Returns true if `val` is an object
+ */
+
+exports.isObject = function(val) {
+  return typeOf(val) === 'object';
+};
+
+/**
+ * Cast `input` to a buffer
+ */
+
+exports.toBuffer = function(input) {
+  return typeof input === 'string' ? Buffer.from(input) : input;
+};
+
+/**
+ * Cast `val` to a string.
+ */
+
+exports.toString = function(input) {
+  if (exports.isBuffer(input)) return stripBom(String(input));
+  if (typeof input !== 'string') {
+    throw new TypeError('expected input to be a string or buffer');
+  }
+  return stripBom(input);
+};
+
+/**
+ * Cast `val` to an array.
+ */
+
+exports.arrayify = function(val) {
+  return val ? (Array.isArray(val) ? val : [val]) : [];
+};
+
+/**
+ * Returns true if `str` starts with `substr`.
+ */
+
+exports.startsWith = function(str, substr, len) {
+  if (typeof len !== 'number') len = substr.length;
+  return str.slice(0, len) === substr;
+};