"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.rewireSpecs = exports.rewireSource = exports.seedTokens = exports.seedSpec = exports.seedBlock = exports.splitLines = exports.splitSpace = exports.splitCR = exports.hasCR = exports.isSpace = void 0;

function isSpace(source) {
  return /^\s+$/.test(source);
}

exports.isSpace = isSpace;

function hasCR(source) {
  return /\r$/.test(source);
}

exports.hasCR = hasCR;

function splitCR(source) {
  const matches = source.match(/\r+$/);
  return matches == null ? ['', source] : [source.slice(-matches[0].length), source.slice(0, -matches[0].length)];
}

exports.splitCR = splitCR;

function splitSpace(source) {
  const matches = source.match(/^\s+/);
  return matches == null ? ['', source] : [source.slice(0, matches[0].length), source.slice(matches[0].length)];
}

exports.splitSpace = splitSpace;

function splitLines(source) {
  return source.split(/\n/);
}

exports.splitLines = splitLines;

function seedBlock(block = {}) {
  return Object.assign({
    description: '',
    tags: [],
    source: [],
    problems: []
  }, block);
}

exports.seedBlock = seedBlock;

function seedSpec(spec = {}) {
  return Object.assign({
    tag: '',
    name: '',
    type: '',
    optional: false,
    description: '',
    problems: [],
    source: []
  }, spec);
}

exports.seedSpec = seedSpec;

function seedTokens(tokens = {}) {
  return Object.assign({
    start: '',
    delimiter: '',
    postDelimiter: '',
    tag: '',
    postTag: '',
    name: '',
    postName: '',
    type: '',
    postType: '',
    description: '',
    end: '',
    lineEnd: ''
  }, tokens);
}

exports.seedTokens = seedTokens;
/**
 * Assures Block.tags[].source contains references to the Block.source items,
 * using Block.source as a source of truth. This is a counterpart of rewireSpecs
 * @param block parsed coments block
 */

function rewireSource(block) {
  const source = block.source.reduce((acc, line) => acc.set(line.number, line), new Map());

  for (const spec of block.tags) {
    spec.source = spec.source.map(line => source.get(line.number));
  }

  return block;
}

exports.rewireSource = rewireSource;
/**
 * Assures Block.source contains references to the Block.tags[].source items,
 * using Block.tags[].source as a source of truth. This is a counterpart of rewireSource
 * @param block parsed coments block
 */

function rewireSpecs(block) {
  const source = block.tags.reduce((acc, spec) => spec.source.reduce((acc, line) => acc.set(line.number, line), acc), new Map());
  block.source = block.source.map(line => source.get(line.number) || line);
  return block;
}

exports.rewireSpecs = rewireSpecs;
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