@favware/yamlreader/dist/index.mjs.map

Minimal wrapper around js-yaml for directly reading in YAML files

{"version":3,"file":"index.mjs","sources":["../../../node_modules/rollup-plugin-node-polyfills/polyfills/empty.js","../../../node_modules/js-yaml/lib/js-yaml/common.js","../../../node_modules/js-yaml/lib/js-yaml/exception.js","../../../node_modules/js-yaml/lib/js-yaml/mark.js","../../../node_modules/js-yaml/lib/js-yaml/type.js","../../../node_modules/js-yaml/lib/js-yaml/schema.js","../../../node_modules/js-yaml/lib/js-yaml/schema/failsafe.js","../../../node_modules/js-yaml/lib/js-yaml/type/str.js","../../../node_modules/js-yaml/lib/js-yaml/type/seq.js","../../../node_modules/js-yaml/lib/js-yaml/type/map.js","../../../node_modules/js-yaml/lib/js-yaml/type/null.js","../../../node_modules/js-yaml/lib/js-yaml/type/bool.js","../../../node_modules/js-yaml/lib/js-yaml/type/int.js","../../../node_modules/js-yaml/lib/js-yaml/type/float.js","../../../node_modules/js-yaml/lib/js-yaml/schema/json.js","../../../node_modules/js-yaml/lib/js-yaml/schema/core.js","../../../node_modules/js-yaml/lib/js-yaml/type/timestamp.js","../../../node_modules/js-yaml/lib/js-yaml/type/binary.js","../../../node_modules/js-yaml/lib/js-yaml/type/merge.js","../../../node_modules/js-yaml/lib/js-yaml/type/omap.js","../../../node_modules/js-yaml/lib/js-yaml/type/pairs.js","../../../node_modules/js-yaml/lib/js-yaml/type/set.js","../../../node_modules/js-yaml/lib/js-yaml/schema/default_safe.js","../../../node_modules/js-yaml/lib/js-yaml/type/js/undefined.js","../../../node_modules/js-yaml/lib/js-yaml/type/js/function.js","../../../node_modules/js-yaml/lib/js-yaml/type/js/regexp.js","../../../node_modules/js-yaml/lib/js-yaml/schema/default_full.js","../../../node_modules/js-yaml/lib/js-yaml/loader.js","../../../node_modules/js-yaml/lib/js-yaml/dumper.js","../../../node_modules/js-yaml/lib/js-yaml.js","../../../node_modules/js-yaml/index.js","../src/index.ts"],"sourcesContent":["export default {};\n","'use strict';\n\n\nfunction isNothing(subject) {\n  return (typeof subject === 'undefined') || (subject === null);\n}\n\n\nfunction isObject(subject) {\n  return (typeof subject === 'object') && (subject !== null);\n}\n\n\nfunction toArray(sequence) {\n  if (Array.isArray(sequence)) return sequence;\n  else if (isNothing(sequence)) return [];\n\n  return [ sequence ];\n}\n\n\nfunction extend(target, source) {\n  var index, length, key, sourceKeys;\n\n  if (source) {\n    sourceKeys = Object.keys(source);\n\n    for (index = 0, length = sourceKeys.length; index < length; index += 1) {\n      key = sourceKeys[index];\n      target[key] = source[key];\n    }\n  }\n\n  return target;\n}\n\n\nfunction repeat(string, count) {\n  var result = '', cycle;\n\n  for (cycle = 0; cycle < count; cycle += 1) {\n    result += string;\n  }\n\n  return result;\n}\n\n\nfunction isNegativeZero(number) {\n  return (number === 0) && (Number.NEGATIVE_INFINITY === 1 / number);\n}\n\n\nmodule.exports.isNothing      = isNothing;\nmodule.exports.isObject       = isObject;\nmodule.exports.toArray        = toArray;\nmodule.exports.repeat         = repeat;\nmodule.exports.isNegativeZero = isNegativeZero;\nmodule.exports.extend         = extend;\n","// YAML error class. http://stackoverflow.com/questions/8458984\n//\n'use strict';\n\nfunction YAMLException(reason, mark) {\n  // Super constructor\n  Error.call(this);\n\n  this.name = 'YAMLException';\n  this.reason = reason;\n  this.mark = mark;\n  this.message = (this.reason || '(unknown reason)') + (this.mark ? ' ' + this.mark.toString() : '');\n\n  // Include stack trace in error object\n  if (Error.captureStackTrace) {\n    // Chrome and NodeJS\n    Error.captureStackTrace(this, this.constructor);\n  } else {\n    // FF, IE 10+ and Safari 6+. Fallback for others\n    this.stack = (new Error()).stack || '';\n  }\n}\n\n\n// Inherit from Error\nYAMLException.prototype = Object.create(Error.prototype);\nYAMLException.prototype.constructor = YAMLException;\n\n\nYAMLException.prototype.toString = function toString(compact) {\n  var result = this.name + ': ';\n\n  result += this.reason || '(unknown reason)';\n\n  if (!compact && this.mark) {\n    result += ' ' + this.mark.toString();\n  }\n\n  return result;\n};\n\n\nmodule.exports = YAMLException;\n","'use strict';\n\n\nvar common = require('./common');\n\n\nfunction Mark(name, buffer, position, line, column) {\n  this.name     = name;\n  this.buffer   = buffer;\n  this.position = position;\n  this.line     = line;\n  this.column   = column;\n}\n\n\nMark.prototype.getSnippet = function getSnippet(indent, maxLength) {\n  var head, start, tail, end, snippet;\n\n  if (!this.buffer) return null;\n\n  indent = indent || 4;\n  maxLength = maxLength || 75;\n\n  head = '';\n  start = this.position;\n\n  while (start > 0 && '\\x00\\r\\n\\x85\\u2028\\u2029'.indexOf(this.buffer.charAt(start - 1)) === -1) {\n    start -= 1;\n    if (this.position - start > (maxLength / 2 - 1)) {\n      head = ' ... ';\n      start += 5;\n      break;\n    }\n  }\n\n  tail = '';\n  end = this.position;\n\n  while (end < this.buffer.length && '\\x00\\r\\n\\x85\\u2028\\u2029'.indexOf(this.buffer.charAt(end)) === -1) {\n    end += 1;\n    if (end - this.position > (maxLength / 2 - 1)) {\n      tail = ' ... ';\n      end -= 5;\n      break;\n    }\n  }\n\n  snippet = this.buffer.slice(start, end);\n\n  return common.repeat(' ', indent) + head + snippet + tail + '\\n' +\n         common.repeat(' ', indent + this.position - start + head.length) + '^';\n};\n\n\nMark.prototype.toString = function toString(compact) {\n  var snippet, where = '';\n\n  if (this.name) {\n    where += 'in \"' + this.name + '\" ';\n  }\n\n  where += 'at line ' + (this.line + 1) + ', column ' + (this.column + 1);\n\n  if (!compact) {\n    snippet = this.getSnippet();\n\n    if (snippet) {\n      where += ':\\n' + snippet;\n    }\n  }\n\n  return where;\n};\n\n\nmodule.exports = Mark;\n","'use strict';\n\nvar YAMLException = require('./exception');\n\nvar TYPE_CONSTRUCTOR_OPTIONS = [\n  'kind',\n  'resolve',\n  'construct',\n  'instanceOf',\n  'predicate',\n  'represent',\n  'defaultStyle',\n  'styleAliases'\n];\n\nvar YAML_NODE_KINDS = [\n  'scalar',\n  'sequence',\n  'mapping'\n];\n\nfunction compileStyleAliases(map) {\n  var result = {};\n\n  if (map !== null) {\n    Object.keys(map).forEach(function (style) {\n      map[style].forEach(function (alias) {\n        result[String(alias)] = style;\n      });\n    });\n  }\n\n  return result;\n}\n\nfunction Type(tag, options) {\n  options = options || {};\n\n  Object.keys(options).forEach(function (name) {\n    if (TYPE_CONSTRUCTOR_OPTIONS.indexOf(name) === -1) {\n      throw new YAMLException('Unknown option \"' + name + '\" is met in definition of \"' + tag + '\" YAML type.');\n    }\n  });\n\n  // TODO: Add tag format check.\n  this.tag          = tag;\n  this.kind         = options['kind']         || null;\n  this.resolve      = options['resolve']      || function () { return true; };\n  this.construct    = options['construct']    || function (data) { return data; };\n  this.instanceOf   = options['instanceOf']   || null;\n  this.predicate    = options['predicate']    || null;\n  this.represent    = options['represent']    || null;\n  this.defaultStyle = options['defaultStyle'] || null;\n  this.styleAliases = compileStyleAliases(options['styleAliases'] || null);\n\n  if (YAML_NODE_KINDS.indexOf(this.kind) === -1) {\n    throw new YAMLException('Unknown kind \"' + this.kind + '\" is specified for \"' + tag + '\" YAML type.');\n  }\n}\n\nmodule.exports = Type;\n","'use strict';\n\n/*eslint-disable max-len*/\n\nvar common        = require('./common');\nvar YAMLException = require('./exception');\nvar Type          = require('./type');\n\n\nfunction compileList(schema, name, result) {\n  var exclude = [];\n\n  schema.include.forEach(function (includedSchema) {\n    result = compileList(includedSchema, name, result);\n  });\n\n  schema[name].forEach(function (currentType) {\n    result.forEach(function (previousType, previousIndex) {\n      if (previousType.tag === currentType.tag && previousType.kind === currentType.kind) {\n        exclude.push(previousIndex);\n      }\n    });\n\n    result.push(currentType);\n  });\n\n  return result.filter(function (type, index) {\n    return exclude.indexOf(index) === -1;\n  });\n}\n\n\nfunction compileMap(/* lists... */) {\n  var result = {\n        scalar: {},\n        sequence: {},\n        mapping: {},\n        fallback: {}\n      }, index, length;\n\n  function collectType(type) {\n    result[type.kind][type.tag] = result['fallback'][type.tag] = type;\n  }\n\n  for (index = 0, length = arguments.length; index < length; index += 1) {\n    arguments[index].forEach(collectType);\n  }\n  return result;\n}\n\n\nfunction Schema(definition) {\n  this.include  = definition.include  || [];\n  this.implicit = definition.implicit || [];\n  this.explicit = definition.explicit || [];\n\n  this.implicit.forEach(function (type) {\n    if (type.loadKind && type.loadKind !== 'scalar') {\n      throw new YAMLException('There is a non-scalar type in the implicit list of a schema. Implicit resolving of such types is not supported.');\n    }\n  });\n\n  this.compiledImplicit = compileList(this, 'implicit', []);\n  this.compiledExplicit = compileList(this, 'explicit', []);\n  this.compiledTypeMap  = compileMap(this.compiledImplicit, this.compiledExplicit);\n}\n\n\nSchema.DEFAULT = null;\n\n\nSchema.create = function createSchema() {\n  var schemas, types;\n\n  switch (arguments.length) {\n    case 1:\n      schemas = Schema.DEFAULT;\n      types = arguments[0];\n      break;\n\n    case 2:\n      schemas = arguments[0];\n      types = arguments[1];\n      break;\n\n    default:\n      throw new YAMLException('Wrong number of arguments for Schema.create function');\n  }\n\n  schemas = common.toArray(schemas);\n  types = common.toArray(types);\n\n  if (!schemas.every(function (schema) { return schema instanceof Schema; })) {\n    throw new YAMLException('Specified list of super schemas (or a single Schema object) contains a non-Schema object.');\n  }\n\n  if (!types.every(function (type) { return type instanceof Type; })) {\n    throw new YAMLException('Specified list of YAML types (or a single Type object) contains a non-Type object.');\n  }\n\n  return new Schema({\n    include: schemas,\n    explicit: types\n  });\n};\n\n\nmodule.exports = Schema;\n","// Standard YAML's Failsafe schema.\n// http://www.yaml.org/spec/1.2/spec.html#id2802346\n\n\n'use strict';\n\n\nvar Schema = require('../schema');\n\n\nmodule.exports = new Schema({\n  explicit: [\n    require('../type/str'),\n    require('../type/seq'),\n    require('../type/map')\n  ]\n});\n","'use strict';\n\nvar Type = require('../type');\n\nmodule.exports = new Type('tag:yaml.org,2002:str', {\n  kind: 'scalar',\n  construct: function (data) { return data !== null ? data : ''; }\n});\n","'use strict';\n\nvar Type = require('../type');\n\nmodule.exports = new Type('tag:yaml.org,2002:seq', {\n  kind: 'sequence',\n  construct: function (data) { return data !== null ? data : []; }\n});\n","'use strict';\n\nvar Type = require('../type');\n\nmodule.exports = new Type('tag:yaml.org,2002:map', {\n  kind: 'mapping',\n  construct: function (data) { return data !== null ? data : {}; }\n});\n","'use strict';\n\nvar Type = require('../type');\n\nfunction resolveYamlNull(data) {\n  if (data === null) return true;\n\n  var max = data.length;\n\n  return (max === 1 && data === '~') ||\n         (max === 4 && (data === 'null' || data === 'Null' || data === 'NULL'));\n}\n\nfunction constructYamlNull() {\n  return null;\n}\n\nfunction isNull(object) {\n  return object === null;\n}\n\nmodule.exports = new Type('tag:yaml.org,2002:null', {\n  kind: 'scalar',\n  resolve: resolveYamlNull,\n  construct: constructYamlNull,\n  predicate: isNull,\n  represent: {\n    canonical: function () { return '~';    },\n    lowercase: function () { return 'null'; },\n    uppercase: function () { return 'NULL'; },\n    camelcase: function () { return 'Null'; }\n  },\n  defaultStyle: 'lowercase'\n});\n","'use strict';\n\nvar Type = require('../type');\n\nfunction resolveYamlBoolean(data) {\n  if (data === null) return false;\n\n  var max = data.length;\n\n  return (max === 4 && (data === 'true' || data === 'True' || data === 'TRUE')) ||\n         (max === 5 && (data === 'false' || data === 'False' || data === 'FALSE'));\n}\n\nfunction constructYamlBoolean(data) {\n  return data === 'true' ||\n         data === 'True' ||\n         data === 'TRUE';\n}\n\nfunction isBoolean(object) {\n  return Object.prototype.toString.call(object) === '[object Boolean]';\n}\n\nmodule.exports = new Type('tag:yaml.org,2002:bool', {\n  kind: 'scalar',\n  resolve: resolveYamlBoolean,\n  construct: constructYamlBoolean,\n  predicate: isBoolean,\n  represent: {\n    lowercase: function (object) { return object ? 'true' : 'false'; },\n    uppercase: function (object) { return object ? 'TRUE' : 'FALSE'; },\n    camelcase: function (object) { return object ? 'True' : 'False'; }\n  },\n  defaultStyle: 'lowercase'\n});\n","'use strict';\n\nvar common = require('../common');\nvar Type   = require('../type');\n\nfunction isHexCode(c) {\n  return ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) ||\n         ((0x41/* A */ <= c) && (c <= 0x46/* F */)) ||\n         ((0x61/* a */ <= c) && (c <= 0x66/* f */));\n}\n\nfunction isOctCode(c) {\n  return ((0x30/* 0 */ <= c) && (c <= 0x37/* 7 */));\n}\n\nfunction isDecCode(c) {\n  return ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */));\n}\n\nfunction resolveYamlInteger(data) {\n  if (data === null) return false;\n\n  var max = data.length,\n      index = 0,\n      hasDigits = false,\n      ch;\n\n  if (!max) return false;\n\n  ch = data[index];\n\n  // sign\n  if (ch === '-' || ch === '+') {\n    ch = data[++index];\n  }\n\n  if (ch === '0') {\n    // 0\n    if (index + 1 === max) return true;\n    ch = data[++index];\n\n    // base 2, base 8, base 16\n\n    if (ch === 'b') {\n      // base 2\n      index++;\n\n      for (; index < max; index++) {\n        ch = data[index];\n        if (ch === '_') continue;\n        if (ch !== '0' && ch !== '1') return false;\n        hasDigits = true;\n      }\n      return hasDigits && ch !== '_';\n    }\n\n\n    if (ch === 'x') {\n      // base 16\n      index++;\n\n      for (; index < max; index++) {\n        ch = data[index];\n        if (ch === '_') continue;\n        if (!isHexCode(data.charCodeAt(index))) return false;\n        hasDigits = true;\n      }\n      return hasDigits && ch !== '_';\n    }\n\n    // base 8\n    for (; index < max; index++) {\n      ch = data[index];\n      if (ch === '_') continue;\n      if (!isOctCode(data.charCodeAt(index))) return false;\n      hasDigits = true;\n    }\n    return hasDigits && ch !== '_';\n  }\n\n  // base 10 (except 0) or base 60\n\n  // value should not start with `_`;\n  if (ch === '_') return false;\n\n  for (; index < max; index++) {\n    ch = data[index];\n    if (ch === '_') continue;\n    if (ch === ':') break;\n    if (!isDecCode(data.charCodeAt(index))) {\n      return false;\n    }\n    hasDigits = true;\n  }\n\n  // Should have digits and should not end with `_`\n  if (!hasDigits || ch === '_') return false;\n\n  // if !base60 - done;\n  if (ch !== ':') return true;\n\n  // base60 almost not used, no needs to optimize\n  return /^(:[0-5]?[0-9])+$/.test(data.slice(index));\n}\n\nfunction constructYamlInteger(data) {\n  var value = data, sign = 1, ch, base, digits = [];\n\n  if (value.indexOf('_') !== -1) {\n    value = value.replace(/_/g, '');\n  }\n\n  ch = value[0];\n\n  if (ch === '-' || ch === '+') {\n    if (ch === '-') sign = -1;\n    value = value.slice(1);\n    ch = value[0];\n  }\n\n  if (value === '0') return 0;\n\n  if (ch === '0') {\n    if (value[1] === 'b') return sign * parseInt(value.slice(2), 2);\n    if (value[1] === 'x') return sign * parseInt(value, 16);\n    return sign * parseInt(value, 8);\n  }\n\n  if (value.indexOf(':') !== -1) {\n    value.split(':').forEach(function (v) {\n      digits.unshift(parseInt(v, 10));\n    });\n\n    value = 0;\n    base = 1;\n\n    digits.forEach(function (d) {\n      value += (d * base);\n      base *= 60;\n    });\n\n    return sign * value;\n\n  }\n\n  return sign * parseInt(value, 10);\n}\n\nfunction isInteger(object) {\n  return (Object.prototype.toString.call(object)) === '[object Number]' &&\n         (object % 1 === 0 && !common.isNegativeZero(object));\n}\n\nmodule.exports = new Type('tag:yaml.org,2002:int', {\n  kind: 'scalar',\n  resolve: resolveYamlInteger,\n  construct: constructYamlInteger,\n  predicate: isInteger,\n  represent: {\n    binary:      function (obj) { return obj >= 0 ? '0b' + obj.toString(2) : '-0b' + obj.toString(2).slice(1); },\n    octal:       function (obj) { return obj >= 0 ? '0'  + obj.toString(8) : '-0'  + obj.toString(8).slice(1); },\n    decimal:     function (obj) { return obj.toString(10); },\n    /* eslint-disable max-len */\n    hexadecimal: function (obj) { return obj >= 0 ? '0x' + obj.toString(16).toUpperCase() :  '-0x' + obj.toString(16).toUpperCase().slice(1); }\n  },\n  defaultStyle: 'decimal',\n  styleAliases: {\n    binary:      [ 2,  'bin' ],\n    octal:       [ 8,  'oct' ],\n    decimal:     [ 10, 'dec' ],\n    hexadecimal: [ 16, 'hex' ]\n  }\n});\n","'use strict';\n\nvar common = require('../common');\nvar Type   = require('../type');\n\nvar YAML_FLOAT_PATTERN = new RegExp(\n  // 2.5e4, 2.5 and integers\n  '^(?:[-+]?(?:0|[1-9][0-9_]*)(?:\\\\.[0-9_]*)?(?:[eE][-+]?[0-9]+)?' +\n  // .2e4, .2\n  // special case, seems not from spec\n  '|\\\\.[0-9_]+(?:[eE][-+]?[0-9]+)?' +\n  // 20:59\n  '|[-+]?[0-9][0-9_]*(?::[0-5]?[0-9])+\\\\.[0-9_]*' +\n  // .inf\n  '|[-+]?\\\\.(?:inf|Inf|INF)' +\n  // .nan\n  '|\\\\.(?:nan|NaN|NAN))$');\n\nfunction resolveYamlFloat(data) {\n  if (data === null) return false;\n\n  if (!YAML_FLOAT_PATTERN.test(data) ||\n      // Quick hack to not allow integers end with `_`\n      // Probably should update regexp & check speed\n      data[data.length - 1] === '_') {\n    return false;\n  }\n\n  return true;\n}\n\nfunction constructYamlFloat(data) {\n  var value, sign, base, digits;\n\n  value  = data.replace(/_/g, '').toLowerCase();\n  sign   = value[0] === '-' ? -1 : 1;\n  digits = [];\n\n  if ('+-'.indexOf(value[0]) >= 0) {\n    value = value.slice(1);\n  }\n\n  if (value === '.inf') {\n    return (sign === 1) ? Number.POSITIVE_INFINITY : Number.NEGATIVE_INFINITY;\n\n  } else if (value === '.nan') {\n    return NaN;\n\n  } else if (value.indexOf(':') >= 0) {\n    value.split(':').forEach(function (v) {\n      digits.unshift(parseFloat(v, 10));\n    });\n\n    value = 0.0;\n    base = 1;\n\n    digits.forEach(function (d) {\n      value += d * base;\n      base *= 60;\n    });\n\n    return sign * value;\n\n  }\n  return sign * parseFloat(value, 10);\n}\n\n\nvar SCIENTIFIC_WITHOUT_DOT = /^[-+]?[0-9]+e/;\n\nfunction representYamlFloat(object, style) {\n  var res;\n\n  if (isNaN(object)) {\n    switch (style) {\n      case 'lowercase': return '.nan';\n      case 'uppercase': return '.NAN';\n      case 'camelcase': return '.NaN';\n    }\n  } else if (Number.POSITIVE_INFINITY === object) {\n    switch (style) {\n      case 'lowercase': return '.inf';\n      case 'uppercase': return '.INF';\n      case 'camelcase': return '.Inf';\n    }\n  } else if (Number.NEGATIVE_INFINITY === object) {\n    switch (style) {\n      case 'lowercase': return '-.inf';\n      case 'uppercase': return '-.INF';\n      case 'camelcase': return '-.Inf';\n    }\n  } else if (common.isNegativeZero(object)) {\n    return '-0.0';\n  }\n\n  res = object.toString(10);\n\n  // JS stringifier can build scientific format without dots: 5e-100,\n  // while YAML requres dot: 5.e-100. Fix it with simple hack\n\n  return SCIENTIFIC_WITHOUT_DOT.test(res) ? res.replace('e', '.e') : res;\n}\n\nfunction isFloat(object) {\n  return (Object.prototype.toString.call(object) === '[object Number]') &&\n         (object % 1 !== 0 || common.isNegativeZero(object));\n}\n\nmodule.exports = new Type('tag:yaml.org,2002:float', {\n  kind: 'scalar',\n  resolve: resolveYamlFloat,\n  construct: constructYamlFloat,\n  predicate: isFloat,\n  represent: representYamlFloat,\n  defaultStyle: 'lowercase'\n});\n","// Standard YAML's JSON schema.\n// http://www.yaml.org/spec/1.2/spec.html#id2803231\n//\n// NOTE: JS-YAML does not support schema-specific tag resolution restrictions.\n// So, this schema is not such strict as defined in the YAML specification.\n// It allows numbers in binary notaion, use `Null` and `NULL` as `null`, etc.\n\n\n'use strict';\n\n\nvar Schema = require('../schema');\n\n\nmodule.exports = new Schema({\n  include: [\n    require('./failsafe')\n  ],\n  implicit: [\n    require('../type/null'),\n    require('../type/bool'),\n    require('../type/int'),\n    require('../type/float')\n  ]\n});\n","// Standard YAML's Core schema.\n// http://www.yaml.org/spec/1.2/spec.html#id2804923\n//\n// NOTE: JS-YAML does not support schema-specific tag resolution restrictions.\n// So, Core schema has no distinctions from JSON schema is JS-YAML.\n\n\n'use strict';\n\n\nvar Schema = require('../schema');\n\n\nmodule.exports = new Schema({\n  include: [\n    require('./json')\n  ]\n});\n","'use strict';\n\nvar Type = require('../type');\n\nvar YAML_DATE_REGEXP = new RegExp(\n  '^([0-9][0-9][0-9][0-9])'          + // [1] year\n  '-([0-9][0-9])'                    + // [2] month\n  '-([0-9][0-9])$');                   // [3] day\n\nvar YAML_TIMESTAMP_REGEXP = new RegExp(\n  '^([0-9][0-9][0-9][0-9])'          + // [1] year\n  '-([0-9][0-9]?)'                   + // [2] month\n  '-([0-9][0-9]?)'                   + // [3] day\n  '(?:[Tt]|[ \\\\t]+)'                 + // ...\n  '([0-9][0-9]?)'                    + // [4] hour\n  ':([0-9][0-9])'                    + // [5] minute\n  ':([0-9][0-9])'                    + // [6] second\n  '(?:\\\\.([0-9]*))?'                 + // [7] fraction\n  '(?:[ \\\\t]*(Z|([-+])([0-9][0-9]?)' + // [8] tz [9] tz_sign [10] tz_hour\n  '(?::([0-9][0-9]))?))?$');           // [11] tz_minute\n\nfunction resolveYamlTimestamp(data) {\n  if (data === null) return false;\n  if (YAML_DATE_REGEXP.exec(data) !== null) return true;\n  if (YAML_TIMESTAMP_REGEXP.exec(data) !== null) return true;\n  return false;\n}\n\nfunction constructYamlTimestamp(data) {\n  var match, year, month, day, hour, minute, second, fraction = 0,\n      delta = null, tz_hour, tz_minute, date;\n\n  match = YAML_DATE_REGEXP.exec(data);\n  if (match === null) match = YAML_TIMESTAMP_REGEXP.exec(data);\n\n  if (match === null) throw new Error('Date resolve error');\n\n  // match: [1] year [2] month [3] day\n\n  year = +(match[1]);\n  month = +(match[2]) - 1; // JS month starts with 0\n  day = +(match[3]);\n\n  if (!match[4]) { // no hour\n    return new Date(Date.UTC(year, month, day));\n  }\n\n  // match: [4] hour [5] minute [6] second [7] fraction\n\n  hour = +(match[4]);\n  minute = +(match[5]);\n  second = +(match[6]);\n\n  if (match[7]) {\n    fraction = match[7].slice(0, 3);\n    while (fraction.length < 3) { // milli-seconds\n      fraction += '0';\n    }\n    fraction = +fraction;\n  }\n\n  // match: [8] tz [9] tz_sign [10] tz_hour [11] tz_minute\n\n  if (match[9]) {\n    tz_hour = +(match[10]);\n    tz_minute = +(match[11] || 0);\n    delta = (tz_hour * 60 + tz_minute) * 60000; // delta in mili-seconds\n    if (match[9] === '-') delta = -delta;\n  }\n\n  date = new Date(Date.UTC(year, month, day, hour, minute, second, fraction));\n\n  if (delta) date.setTime(date.getTime() - delta);\n\n  return date;\n}\n\nfunction representYamlTimestamp(object /*, style*/) {\n  return object.toISOString();\n}\n\nmodule.exports = new Type('tag:yaml.org,2002:timestamp', {\n  kind: 'scalar',\n  resolve: resolveYamlTimestamp,\n  construct: constructYamlTimestamp,\n  instanceOf: Date,\n  represent: representYamlTimestamp\n});\n","'use strict';\n\n/*eslint-disable no-bitwise*/\n\nvar NodeBuffer;\n\ntry {\n  // A trick for browserified version, to not include `Buffer` shim\n  var _require = require;\n  NodeBuffer = _require('buffer').Buffer;\n} catch (__) {}\n\nvar Type       = require('../type');\n\n\n// [ 64, 65, 66 ] -> [ padding, CR, LF ]\nvar BASE64_MAP = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=\\n\\r';\n\n\nfunction resolveYamlBinary(data) {\n  if (data === null) return false;\n\n  var code, idx, bitlen = 0, max = data.length, map = BASE64_MAP;\n\n  // Convert one by one.\n  for (idx = 0; idx < max; idx++) {\n    code = map.indexOf(data.charAt(idx));\n\n    // Skip CR/LF\n    if (code > 64) continue;\n\n    // Fail on illegal characters\n    if (code < 0) return false;\n\n    bitlen += 6;\n  }\n\n  // If there are any bits left, source was corrupted\n  return (bitlen % 8) === 0;\n}\n\nfunction constructYamlBinary(data) {\n  var idx, tailbits,\n      input = data.replace(/[\\r\\n=]/g, ''), // remove CR/LF & padding to simplify scan\n      max = input.length,\n      map = BASE64_MAP,\n      bits = 0,\n      result = [];\n\n  // Collect by 6*4 bits (3 bytes)\n\n  for (idx = 0; idx < max; idx++) {\n    if ((idx % 4 === 0) && idx) {\n      result.push((bits >> 16) & 0xFF);\n      result.push((bits >> 8) & 0xFF);\n      result.push(bits & 0xFF);\n    }\n\n    bits = (bits << 6) | map.indexOf(input.charAt(idx));\n  }\n\n  // Dump tail\n\n  tailbits = (max % 4) * 6;\n\n  if (tailbits === 0) {\n    result.push((bits >> 16) & 0xFF);\n    result.push((bits >> 8) & 0xFF);\n    result.push(bits & 0xFF);\n  } else if (tailbits === 18) {\n    result.push((bits >> 10) & 0xFF);\n    result.push((bits >> 2) & 0xFF);\n  } else if (tailbits === 12) {\n    result.push((bits >> 4) & 0xFF);\n  }\n\n  // Wrap into Buffer for NodeJS and leave Array for browser\n  if (NodeBuffer) {\n    // Support node 6.+ Buffer API when available\n    return NodeBuffer.from ? NodeBuffer.from(result) : new NodeBuffer(result);\n  }\n\n  return result;\n}\n\nfunction representYamlBinary(object /*, style*/) {\n  var result = '', bits = 0, idx, tail,\n      max = object.length,\n      map = BASE64_MAP;\n\n  // Convert every three bytes to 4 ASCII characters.\n\n  for (idx = 0; idx < max; idx++) {\n    if ((idx % 3 === 0) && idx) {\n      result += map[(bits >> 18) & 0x3F];\n      result += map[(bits >> 12) & 0x3F];\n      result += map[(bits >> 6) & 0x3F];\n      result += map[bits & 0x3F];\n    }\n\n    bits = (bits << 8) + object[idx];\n  }\n\n  // Dump tail\n\n  tail = max % 3;\n\n  if (tail === 0) {\n    result += map[(bits >> 18) & 0x3F];\n    result += map[(bits >> 12) & 0x3F];\n    result += map[(bits >> 6) & 0x3F];\n    result += map[bits & 0x3F];\n  } else if (tail === 2) {\n    result += map[(bits >> 10) & 0x3F];\n    result += map[(bits >> 4) & 0x3F];\n    result += map[(bits << 2) & 0x3F];\n    result += map[64];\n  } else if (tail === 1) {\n    result += map[(bits >> 2) & 0x3F];\n    result += map[(bits << 4) & 0x3F];\n    result += map[64];\n    result += map[64];\n  }\n\n  return result;\n}\n\nfunction isBinary(object) {\n  return NodeBuffer && NodeBuffer.isBuffer(object);\n}\n\nmodule.exports = new Type('tag:yaml.org,2002:binary', {\n  kind: 'scalar',\n  resolve: resolveYamlBinary,\n  construct: constructYamlBinary,\n  predicate: isBinary,\n  represent: representYamlBinary\n});\n","'use strict';\n\nvar Type = require('../type');\n\nfunction resolveYamlMerge(data) {\n  return data === '<<' || data === null;\n}\n\nmodule.exports = new Type('tag:yaml.org,2002:merge', {\n  kind: 'scalar',\n  resolve: resolveYamlMerge\n});\n","'use strict';\n\nvar Type = require('../type');\n\nvar _hasOwnProperty = Object.prototype.hasOwnProperty;\nvar _toString       = Object.prototype.toString;\n\nfunction resolveYamlOmap(data) {\n  if (data === null) return true;\n\n  var objectKeys = [], index, length, pair, pairKey, pairHasKey,\n      object = data;\n\n  for (index = 0, length = object.length; index < length; index += 1) {\n    pair = object[index];\n    pairHasKey = false;\n\n    if (_toString.call(pair) !== '[object Object]') return false;\n\n    for (pairKey in pair) {\n      if (_hasOwnProperty.call(pair, pairKey)) {\n        if (!pairHasKey) pairHasKey = true;\n        else return false;\n      }\n    }\n\n    if (!pairHasKey) return false;\n\n    if (objectKeys.indexOf(pairKey) === -1) objectKeys.push(pairKey);\n    else return false;\n  }\n\n  return true;\n}\n\nfunction constructYamlOmap(data) {\n  return data !== null ? data : [];\n}\n\nmodule.exports = new Type('tag:yaml.org,2002:omap', {\n  kind: 'sequence',\n  resolve: resolveYamlOmap,\n  construct: constructYamlOmap\n});\n","'use strict';\n\nvar Type = require('../type');\n\nvar _toString = Object.prototype.toString;\n\nfunction resolveYamlPairs(data) {\n  if (data === null) return true;\n\n  var index, length, pair, keys, result,\n      object = data;\n\n  result = new Array(object.length);\n\n  for (index = 0, length = object.length; index < length; index += 1) {\n    pair = object[index];\n\n    if (_toString.call(pair) !== '[object Object]') return false;\n\n    keys = Object.keys(pair);\n\n    if (keys.length !== 1) return false;\n\n    result[index] = [ keys[0], pair[keys[0]] ];\n  }\n\n  return true;\n}\n\nfunction constructYamlPairs(data) {\n  if (data === null) return [];\n\n  var index, length, pair, keys, result,\n      object = data;\n\n  result = new Array(object.length);\n\n  for (index = 0, length = object.length; index < length; index += 1) {\n    pair = object[index];\n\n    keys = Object.keys(pair);\n\n    result[index] = [ keys[0], pair[keys[0]] ];\n  }\n\n  return result;\n}\n\nmodule.exports = new Type('tag:yaml.org,2002:pairs', {\n  kind: 'sequence',\n  resolve: resolveYamlPairs,\n  construct: constructYamlPairs\n});\n","'use strict';\n\nvar Type = require('../type');\n\nvar _hasOwnProperty = Object.prototype.hasOwnProperty;\n\nfunction resolveYamlSet(data) {\n  if (data === null) return true;\n\n  var key, object = data;\n\n  for (key in object) {\n    if (_hasOwnProperty.call(object, key)) {\n      if (object[key] !== null) return false;\n    }\n  }\n\n  return true;\n}\n\nfunction constructYamlSet(data) {\n  return data !== null ? data : {};\n}\n\nmodule.exports = new Type('tag:yaml.org,2002:set', {\n  kind: 'mapping',\n  resolve: resolveYamlSet,\n  construct: constructYamlSet\n});\n","// JS-YAML's default schema for `safeLoad` function.\n// It is not described in the YAML specification.\n//\n// This schema is based on standard YAML's Core schema and includes most of\n// extra types described at YAML tag repository. (http://yaml.org/type/)\n\n\n'use strict';\n\n\nvar Schema = require('../schema');\n\n\nmodule.exports = new Schema({\n  include: [\n    require('./core')\n  ],\n  implicit: [\n    require('../type/timestamp'),\n    require('../type/merge')\n  ],\n  explicit: [\n    require('../type/binary'),\n    require('../type/omap'),\n    require('../type/pairs'),\n    require('../type/set')\n  ]\n});\n","'use strict';\n\nvar Type = require('../../type');\n\nfunction resolveJavascriptUndefined() {\n  return true;\n}\n\nfunction constructJavascriptUndefined() {\n  /*eslint-disable no-undefined*/\n  return undefined;\n}\n\nfunction representJavascriptUndefined() {\n  return '';\n}\n\nfunction isUndefined(object) {\n  return typeof object === 'undefined';\n}\n\nmodule.exports = new Type('tag:yaml.org,2002:js/undefined', {\n  kind: 'scalar',\n  resolve: resolveJavascriptUndefined,\n  construct: constructJavascriptUndefined,\n  predicate: isUndefined,\n  represent: representJavascriptUndefined\n});\n","'use strict';\n\nvar esprima;\n\n// Browserified version does not have esprima\n//\n// 1. For node.js just require module as deps\n// 2. For browser try to require mudule via external AMD system.\n//    If not found - try to fallback to window.esprima. If not\n//    found too - then fail to parse.\n//\ntry {\n  // workaround to exclude package from browserify list.\n  var _require = require;\n  esprima = _require('esprima');\n} catch (_) {\n  /* eslint-disable no-redeclare */\n  /* global window */\n  if (typeof window !== 'undefined') esprima = window.esprima;\n}\n\nvar Type = require('../../type');\n\nfunction resolveJavascriptFunction(data) {\n  if (data === null) return false;\n\n  try {\n    var source = '(' + data + ')',\n        ast    = esprima.parse(source, { range: true });\n\n    if (ast.type                    !== 'Program'             ||\n        ast.body.length             !== 1                     ||\n        ast.body[0].type            !== 'ExpressionStatement' ||\n        (ast.body[0].expression.type !== 'ArrowFunctionExpression' &&\n          ast.body[0].expression.type !== 'FunctionExpression')) {\n      return false;\n    }\n\n    return true;\n  } catch (err) {\n    return false;\n  }\n}\n\nfunction constructJavascriptFunction(data) {\n  /*jslint evil:true*/\n\n  var source = '(' + data + ')',\n      ast    = esprima.parse(source, { range: true }),\n      params = [],\n      body;\n\n  if (ast.type                    !== 'Program'             ||\n      ast.body.length             !== 1                     ||\n      ast.body[0].type            !== 'ExpressionStatement' ||\n      (ast.body[0].expression.type !== 'ArrowFunctionExpression' &&\n        ast.body[0].expression.type !== 'FunctionExpression')) {\n    throw new Error('Failed to resolve function');\n  }\n\n  ast.body[0].expression.params.forEach(function (param) {\n    params.push(param.name);\n  });\n\n  body = ast.body[0].expression.body.range;\n\n  // Esprima's ranges include the first '{' and the last '}' characters on\n  // function expressions. So cut them out.\n  if (ast.body[0].expression.body.type === 'BlockStatement') {\n    /*eslint-disable no-new-func*/\n    return new Function(params, source.slice(body[0] + 1, body[1] - 1));\n  }\n  // ES6 arrow functions can omit the BlockStatement. In that case, just return\n  // the body.\n  /*eslint-disable no-new-func*/\n  return new Function(params, 'return ' + source.slice(body[0], body[1]));\n}\n\nfunction representJavascriptFunction(object /*, style*/) {\n  return object.toString();\n}\n\nfunction isFunction(object) {\n  return Object.prototype.toString.call(object) === '[object Function]';\n}\n\nmodule.exports = new Type('tag:yaml.org,2002:js/function', {\n  kind: 'scalar',\n  resolve: resolveJavascriptFunction,\n  construct: constructJavascriptFunction,\n  predicate: isFunction,\n  represent: representJavascriptFunction\n});\n","'use strict';\n\nvar Type = require('../../type');\n\nfunction resolveJavascriptRegExp(data) {\n  if (data === null) return false;\n  if (data.length === 0) return false;\n\n  var regexp = data,\n      tail   = /\\/([gim]*)$/.exec(data),\n      modifiers = '';\n\n  // if regexp starts with '/' it can have modifiers and must be properly closed\n  // `/foo/gim` - modifiers tail can be maximum 3 chars\n  if (regexp[0] === '/') {\n    if (tail) modifiers = tail[1];\n\n    if (modifiers.length > 3) return false;\n    // if expression starts with /, is should be properly terminated\n    if (regexp[regexp.length - modifiers.length - 1] !== '/') return false;\n  }\n\n  return true;\n}\n\nfunction constructJavascriptRegExp(data) {\n  var regexp = data,\n      tail   = /\\/([gim]*)$/.exec(data),\n      modifiers = '';\n\n  // `/foo/gim` - tail can be maximum 4 chars\n  if (regexp[0] === '/') {\n    if (tail) modifiers = tail[1];\n    regexp = regexp.slice(1, regexp.length - modifiers.length - 1);\n  }\n\n  return new RegExp(regexp, modifiers);\n}\n\nfunction representJavascriptRegExp(object /*, style*/) {\n  var result = '/' + object.source + '/';\n\n  if (object.global) result += 'g';\n  if (object.multiline) result += 'm';\n  if (object.ignoreCase) result += 'i';\n\n  return result;\n}\n\nfunction isRegExp(object) {\n  return Object.prototype.toString.call(object) === '[object RegExp]';\n}\n\nmodule.exports = new Type('tag:yaml.org,2002:js/regexp', {\n  kind: 'scalar',\n  resolve: resolveJavascriptRegExp,\n  construct: constructJavascriptRegExp,\n  predicate: isRegExp,\n  represent: representJavascriptRegExp\n});\n","// JS-YAML's default schema for `load` function.\n// It is not described in the YAML specification.\n//\n// This schema is based on JS-YAML's default safe schema and includes\n// JavaScript-specific types: !!js/undefined, !!js/regexp and !!js/function.\n//\n// Also this schema is used as default base schema at `Schema.create` function.\n\n\n'use strict';\n\n\nvar Schema = require('../schema');\n\n\nmodule.exports = Schema.DEFAULT = new Schema({\n  include: [\n    require('./default_safe')\n  ],\n  explicit: [\n    require('../type/js/undefined'),\n    require('../type/js/regexp'),\n    require('../type/js/function')\n  ]\n});\n","'use strict';\n\n/*eslint-disable max-len,no-use-before-define*/\n\nvar common              = require('./common');\nvar YAMLException       = require('./exception');\nvar Mark                = require('./mark');\nvar DEFAULT_SAFE_SCHEMA = require('./schema/default_safe');\nvar DEFAULT_FULL_SCHEMA = require('./schema/default_full');\n\n\nvar _hasOwnProperty = Object.prototype.hasOwnProperty;\n\n\nvar CONTEXT_FLOW_IN   = 1;\nvar CONTEXT_FLOW_OUT  = 2;\nvar CONTEXT_BLOCK_IN  = 3;\nvar CONTEXT_BLOCK_OUT = 4;\n\n\nvar CHOMPING_CLIP  = 1;\nvar CHOMPING_STRIP = 2;\nvar CHOMPING_KEEP  = 3;\n\n\nvar PATTERN_NON_PRINTABLE         = /[\\x00-\\x08\\x0B\\x0C\\x0E-\\x1F\\x7F-\\x84\\x86-\\x9F\\uFFFE\\uFFFF]|[\\uD800-\\uDBFF](?![\\uDC00-\\uDFFF])|(?:[^\\uD800-\\uDBFF]|^)[\\uDC00-\\uDFFF]/;\nvar PATTERN_NON_ASCII_LINE_BREAKS = /[\\x85\\u2028\\u2029]/;\nvar PATTERN_FLOW_INDICATORS       = /[,\\[\\]\\{\\}]/;\nvar PATTERN_TAG_HANDLE            = /^(?:!|!!|![a-z\\-]+!)$/i;\nvar PATTERN_TAG_URI               = /^(?:!|[^,\\[\\]\\{\\}])(?:%[0-9a-f]{2}|[0-9a-z\\-#;\\/\\?:@&=\\+\\$,_\\.!~\\*'\\(\\)\\[\\]])*$/i;\n\n\nfunction _class(obj) { return Object.prototype.toString.call(obj); }\n\nfunction is_EOL(c) {\n  return (c === 0x0A/* LF */) || (c === 0x0D/* CR */);\n}\n\nfunction is_WHITE_SPACE(c) {\n  return (c === 0x09/* Tab */) || (c === 0x20/* Space */);\n}\n\nfunction is_WS_OR_EOL(c) {\n  return (c === 0x09/* Tab */) ||\n         (c === 0x20/* Space */) ||\n         (c === 0x0A/* LF */) ||\n         (c === 0x0D/* CR */);\n}\n\nfunction is_FLOW_INDICATOR(c) {\n  return c === 0x2C/* , */ ||\n         c === 0x5B/* [ */ ||\n         c === 0x5D/* ] */ ||\n         c === 0x7B/* { */ ||\n         c === 0x7D/* } */;\n}\n\nfunction fromHexCode(c) {\n  var lc;\n\n  if ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) {\n    return c - 0x30;\n  }\n\n  /*eslint-disable no-bitwise*/\n  lc = c | 0x20;\n\n  if ((0x61/* a */ <= lc) && (lc <= 0x66/* f */)) {\n    return lc - 0x61 + 10;\n  }\n\n  return -1;\n}\n\nfunction escapedHexLen(c) {\n  if (c === 0x78/* x */) { return 2; }\n  if (c === 0x75/* u */) { return 4; }\n  if (c === 0x55/* U */) { return 8; }\n  return 0;\n}\n\nfunction fromDecimalCode(c) {\n  if ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) {\n    return c - 0x30;\n  }\n\n  return -1;\n}\n\nfunction simpleEscapeSequence(c) {\n  /* eslint-disable indent */\n  return (c === 0x30/* 0 */) ? '\\x00' :\n        (c === 0x61/* a */) ? '\\x07' :\n        (c === 0x62/* b */) ? '\\x08' :\n        (c === 0x74/* t */) ? '\\x09' :\n        (c === 0x09/* Tab */) ? '\\x09' :\n        (c === 0x6E/* n */) ? '\\x0A' :\n        (c === 0x76/* v */) ? '\\x0B' :\n        (c === 0x66/* f */) ? '\\x0C' :\n        (c === 0x72/* r */) ? '\\x0D' :\n        (c === 0x65/* e */) ? '\\x1B' :\n        (c === 0x20/* Space */) ? ' ' :\n        (c === 0x22/* \" */) ? '\\x22' :\n        (c === 0x2F/* / */) ? '/' :\n        (c === 0x5C/* \\ */) ? '\\x5C' :\n        (c === 0x4E/* N */) ? '\\x85' :\n        (c === 0x5F/* _ */) ? '\\xA0' :\n        (c === 0x4C/* L */) ? '\\u2028' :\n        (c === 0x50/* P */) ? '\\u2029' : '';\n}\n\nfunction charFromCodepoint(c) {\n  if (c <= 0xFFFF) {\n    return String.fromCharCode(c);\n  }\n  // Encode UTF-16 surrogate pair\n  // https://en.wikipedia.org/wiki/UTF-16#Code_points_U.2B010000_to_U.2B10FFFF\n  return String.fromCharCode(\n    ((c - 0x010000) >> 10) + 0xD800,\n    ((c - 0x010000) & 0x03FF) + 0xDC00\n  );\n}\n\nvar simpleEscapeCheck = new Array(256); // integer, for fast access\nvar simpleEscapeMap = new Array(256);\nfor (var i = 0; i < 256; i++) {\n  simpleEscapeCheck[i] = simpleEscapeSequence(i) ? 1 : 0;\n  simpleEscapeMap[i] = simpleEscapeSequence(i);\n}\n\n\nfunction State(input, options) {\n  this.input = input;\n\n  this.filename  = options['filename']  || null;\n  this.schema    = options['schema']    || DEFAULT_FULL_SCHEMA;\n  this.onWarning = options['onWarning'] || null;\n  this.legacy    = options['legacy']    || false;\n  this.json      = options['json']      || false;\n  this.listener  = options['listener']  || null;\n\n  this.implicitTypes = this.schema.compiledImplicit;\n  this.typeMap       = this.schema.compiledTypeMap;\n\n  this.length     = input.length;\n  this.position   = 0;\n  this.line       = 0;\n  this.lineStart  = 0;\n  this.lineIndent = 0;\n\n  this.documents = [];\n\n  /*\n  this.version;\n  this.checkLineBreaks;\n  this.tagMap;\n  this.anchorMap;\n  this.tag;\n  this.anchor;\n  this.kind;\n  this.result;*/\n\n}\n\n\nfunction generateError(state, message) {\n  return new YAMLException(\n    message,\n    new Mark(state.filename, state.input, state.position, state.line, (state.position - state.lineStart)));\n}\n\nfunction throwError(state, message) {\n  throw generateError(state, message);\n}\n\nfunction throwWarning(state, message) {\n  if (state.onWarning) {\n    state.onWarning.call(null, generateError(state, message));\n  }\n}\n\n\nvar directiveHandlers = {\n\n  YAML: function handleYamlDirective(state, name, args) {\n\n    var match, major, minor;\n\n    if (state.version !== null) {\n      throwError(state, 'duplication of %YAML directive');\n    }\n\n    if (args.length !== 1) {\n      throwError(state, 'YAML directive accepts exactly one argument');\n    }\n\n    match = /^([0-9]+)\\.([0-9]+)$/.exec(args[0]);\n\n    if (match === null) {\n      throwError(state, 'ill-formed argument of the YAML directive');\n    }\n\n    major = parseInt(match[1], 10);\n    minor = parseInt(match[2], 10);\n\n    if (major !== 1) {\n      throwError(state, 'unacceptable YAML version of the document');\n    }\n\n    state.version = args[0];\n    state.checkLineBreaks = (minor < 2);\n\n    if (minor !== 1 && minor !== 2) {\n      throwWarning(state, 'unsupported YAML version of the document');\n    }\n  },\n\n  TAG: function handleTagDirective(state, name, args) {\n\n    var handle, prefix;\n\n    if (args.length !== 2) {\n      throwError(state, 'TAG directive accepts exactly two arguments');\n    }\n\n    handle = args[0];\n    prefix = args[1];\n\n    if (!PATTERN_TAG_HANDLE.test(handle)) {\n      throwError(state, 'ill-formed tag handle (first argument) of the TAG directive');\n    }\n\n    if (_hasOwnProperty.call(state.tagMap, handle)) {\n      throwError(state, 'there is a previously declared suffix for \"' + handle + '\" tag handle');\n    }\n\n    if (!PATTERN_TAG_URI.test(prefix)) {\n      throwError(state, 'ill-formed tag prefix (second argument) of the TAG directive');\n    }\n\n    state.tagMap[handle] = prefix;\n  }\n};\n\n\nfunction captureSegment(state, start, end, checkJson) {\n  var _position, _length, _character, _result;\n\n  if (start < end) {\n    _result = state.input.slice(start, end);\n\n    if (checkJson) {\n      for (_position = 0, _length = _result.length; _position < _length; _position += 1) {\n        _character = _result.charCodeAt(_position);\n        if (!(_character === 0x09 ||\n              (0x20 <= _character && _character <= 0x10FFFF))) {\n          throwError(state, 'expected valid JSON character');\n        }\n      }\n    } else if (PATTERN_NON_PRINTABLE.test(_result)) {\n      throwError(state, 'the stream contains non-printable characters');\n    }\n\n    state.result += _result;\n  }\n}\n\nfunction mergeMappings(state, destination, source, overridableKeys) {\n  var sourceKeys, key, index, quantity;\n\n  if (!common.isObject(source)) {\n    throwError(state, 'cannot merge mappings; the provided source object is unacceptable');\n  }\n\n  sourceKeys = Object.keys(source);\n\n  for (index = 0, quantity = sourceKeys.length; index < quantity; index += 1) {\n    key = sourceKeys[index];\n\n    if (!_hasOwnProperty.call(destination, key)) {\n      destination[key] = source[key];\n      overridableKeys[key] = true;\n    }\n  }\n}\n\nfunction storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, startLine, startPos) {\n  var index, quantity;\n\n  // The output is a plain object here, so keys can only be strings.\n  // We need to convert keyNode to a string, but doing so can hang the process\n  // (deeply nested arrays that explode exponentially using aliases).\n  if (Array.isArray(keyNode)) {\n    keyNode = Array.prototype.slice.call(keyNode);\n\n    for (index = 0, quantity = keyNode.length; index < quantity; index += 1) {\n      if (Array.isArray(keyNode[index])) {\n        throwError(state, 'nested arrays are not supported inside keys');\n      }\n\n      if (typeof keyNode === 'object' && _class(keyNode[index]) === '[object Object]') {\n        keyNode[index] = '[object Object]';\n      }\n    }\n  }\n\n  // Avoid code execution in load() via toString property\n  // (still use its own toString for arrays, timestamps,\n  // and whatever user schema extensions happen to have @@toStringTag)\n  if (typeof keyNode === 'object' && _class(keyNode) === '[object Object]') {\n    keyNode = '[object Object]';\n  }\n\n\n  keyNode = String(keyNode);\n\n  if (_result === null) {\n    _result = {};\n  }\n\n  if (keyTag === 'tag:yaml.org,2002:merge') {\n    if (Array.isArray(valueNode)) {\n      for (index = 0, quantity = valueNode.length; index < quantity; index += 1) {\n        mergeMappings(state, _result, valueNode[index], overridableKeys);\n      }\n    } else {\n      mergeMappings(state, _result, valueNode, overridableKeys);\n    }\n  } else {\n    if (!state.json &&\n        !_hasOwnProperty.call(overridableKeys, keyNode) &&\n        _hasOwnProperty.call(_result, keyNode)) {\n      state.line = startLine || state.line;\n      state.position = startPos || state.position;\n      throwError(state, 'duplicated mapping key');\n    }\n    _result[keyNode] = valueNode;\n    delete overridableKeys[keyNode];\n  }\n\n  return _result;\n}\n\nfunction readLineBreak(state) {\n  var ch;\n\n  ch = state.input.charCodeAt(state.position);\n\n  if (ch === 0x0A/* LF */) {\n    state.position++;\n  } else if (ch === 0x0D/* CR */) {\n    state.position++;\n    if (state.input.charCodeAt(state.position) === 0x0A/* LF */) {\n      state.position++;\n    }\n  } else {\n    throwError(state, 'a line break is expected');\n  }\n\n  state.line += 1;\n  state.lineStart = state.position;\n}\n\nfunction skipSeparationSpace(state, allowComments, checkIndent) {\n  var lineBreaks = 0,\n      ch = state.input.charCodeAt(state.position);\n\n  while (ch !== 0) {\n    while (is_WHITE_SPACE(ch)) {\n      ch = state.input.charCodeAt(++state.position);\n    }\n\n    if (allowComments && ch === 0x23/* # */) {\n      do {\n        ch = state.input.charCodeAt(++state.position);\n      } while (ch !== 0x0A/* LF */ && ch !== 0x0D/* CR */ && ch !== 0);\n    }\n\n    if (is_EOL(ch)) {\n      readLineBreak(state);\n\n      ch = state.input.charCodeAt(state.position);\n      lineBreaks++;\n      state.lineIndent = 0;\n\n      while (ch === 0x20/* Space */) {\n        state.lineIndent++;\n        ch = state.input.charCodeAt(++state.position);\n      }\n    } else {\n      break;\n    }\n  }\n\n  if (checkIndent !== -1 && lineBreaks !== 0 && state.lineIndent < checkIndent) {\n    throwWarning(state, 'deficient indentation');\n  }\n\n  return lineBreaks;\n}\n\nfunction testDocumentSeparator(state) {\n  var _position = state.position,\n      ch;\n\n  ch = state.input.charCodeAt(_position);\n\n  // Condition state.position === state.lineStart is tested\n  // in parent on each call, for efficiency. No needs to test here again.\n  if ((ch === 0x2D/* - */ || ch === 0x2E/* . */) &&\n      ch === state.input.charCodeAt(_position + 1) &&\n      ch === state.input.charCodeAt(_position + 2)) {\n\n    _position += 3;\n\n    ch = state.input.charCodeAt(_position);\n\n    if (ch === 0 || is_WS_OR_EOL(ch)) {\n      return true;\n    }\n  }\n\n  return false;\n}\n\nfunction writeFoldedLines(state, count) {\n  if (count === 1) {\n    state.result += ' ';\n  } else if (count > 1) {\n    state.result += common.repeat('\\n', count - 1);\n  }\n}\n\n\nfunction readPlainScalar(state, nodeIndent, withinFlowCollection) {\n  var preceding,\n      following,\n      captureStart,\n      captureEnd,\n      hasPendingContent,\n      _line,\n      _lineStart,\n      _lineIndent,\n      _kind = state.kind,\n      _result = state.result,\n      ch;\n\n  ch = state.input.charCodeAt(state.position);\n\n  if (is_WS_OR_EOL(ch)      ||\n      is_FLOW_INDICATOR(ch) ||\n      ch === 0x23/* # */    ||\n      ch === 0x26/* & */    ||\n      ch === 0x2A/* * */    ||\n      ch === 0x21/* ! */    ||\n      ch === 0x7C/* | */    ||\n      ch === 0x3E/* > */    ||\n      ch === 0x27/* ' */    ||\n      ch === 0x22/* \" */    ||\n      ch === 0x25/* % */    ||\n      ch === 0x40/* @ */    ||\n      ch === 0x60/* ` */) {\n    return false;\n  }\n\n  if (ch === 0x3F/* ? */ || ch === 0x2D/* - */) {\n    following = state.input.charCodeAt(state.position + 1);\n\n    if (is_WS_OR_EOL(following) ||\n        withinFlowCollection && is_FLOW_INDICATOR(following)) {\n      return false;\n    }\n  }\n\n  state.kind = 'scalar';\n  state.result = '';\n  captureStart = captureEnd = state.position;\n  hasPendingContent = false;\n\n  while (ch !== 0) {\n    if (ch === 0x3A/*