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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/metro/src/DeltaBundler

Просмотр файла: mergeDeltas.js

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true,
});
exports.default = mergeDeltas;
function mergeDeltas(delta1, delta2) {
  const added1 = new Map(delta1.added);
  const modified1 = new Map(delta1.modified);
  const deleted1 = new Set(delta1.deleted);
  const added2 = new Map(delta2.added);
  const modified2 = new Map(delta2.modified);
  const deleted2 = new Set(delta2.deleted);
  const added = new Map();
  const modified = new Map();
  const deleted = new Set();
  for (const [id, code] of added1) {
    if (!deleted2.has(id) && !modified2.has(id)) {
      added.set(id, code);
    }
  }
  for (const [id, code] of modified1) {
    if (!deleted2.has(id) && !modified2.has(id)) {
      modified.set(id, code);
    }
  }
  for (const id of deleted1) {
    if (!added2.has(id)) {
      deleted.add(id);
    }
  }
  for (const [id, code] of added2) {
    if (deleted1.has(id)) {
      modified.set(id, code);
    } else {
      added.set(id, code);
    }
  }
  for (const [id, code] of modified2) {
    if (added1.has(id)) {
      added.set(id, code);
    } else {
      modified.set(id, code);
    }
  }
  for (const id of deleted2) {
    if (!added1.has(id)) {
      deleted.add(id);
    }
  }
  return {
    added: [...added.entries()],
    modified: [...modified.entries()],
    deleted: [...deleted],
  };
}

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