@tldraw/tlschema/dist-esm/store-migrations.mjs

tldraw infinite canvas SDK (schema).

import { createMigrationIds, createMigrationSequence } from "@tldraw/store";
import { objectMapEntries } from "@tldraw/utils";
const Versions = createMigrationIds("com.tldraw.store", {
  RemoveCodeAndIconShapeTypes: 1,
  AddInstancePresenceType: 2,
  RemoveTLUserAndPresenceAndAddPointer: 3,
  RemoveUserDocument: 4,
  FixIndexKeys: 5
});
const storeMigrations = createMigrationSequence({
  sequenceId: "com.tldraw.store",
  retroactive: false,
  sequence: [
    {
      id: Versions.RemoveCodeAndIconShapeTypes,
      scope: "storage",
      up: (storage) => {
        for (const [id, record] of storage.entries()) {
          if (record.typeName === "shape" && "type" in record && (record.type === "icon" || record.type === "code")) {
            storage.delete(id);
          }
        }
      }
    },
    {
      id: Versions.AddInstancePresenceType,
      scope: "storage",
      up(_storage) {
      }
    },
    {
      // remove user and presence records and add pointer records
      id: Versions.RemoveTLUserAndPresenceAndAddPointer,
      scope: "storage",
      up: (storage) => {
        for (const [id, record] of storage.entries()) {
          if (record.typeName.match(/^(user|user_presence)$/)) {
            storage.delete(id);
          }
        }
      }
    },
    {
      // remove user document records
      id: Versions.RemoveUserDocument,
      scope: "storage",
      up: (storage) => {
        for (const [id, record] of storage.entries()) {
          if (record.typeName.match("user_document")) {
            storage.delete(id);
          }
        }
      }
    },
    {
      id: Versions.FixIndexKeys,
      scope: "record",
      up: (record) => {
        if (["shape", "page"].includes(record.typeName) && "index" in record) {
          const recordWithIndex = record;
          if (recordWithIndex.index.endsWith("0") && recordWithIndex.index !== "a0") {
            recordWithIndex.index = recordWithIndex.index.slice(0, -1) + getNRandomBase62Digits(3);
          }
          if (record.typeName === "shape" && recordWithIndex.type === "line") {
            const lineShape = recordWithIndex;
            for (const [_, point] of objectMapEntries(lineShape.props.points)) {
              if (point.index.endsWith("0") && point.index !== "a0") {
                point.index = point.index.slice(0, -1) + getNRandomBase62Digits(3);
              }
            }
          }
        }
      },
      down: () => {
      }
    }
  ]
});
const BASE_62_DIGITS_WITHOUT_ZERO = "123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
const getRandomBase62Digit = () => {
  return BASE_62_DIGITS_WITHOUT_ZERO.charAt(
    Math.floor(Math.random() * BASE_62_DIGITS_WITHOUT_ZERO.length)
  );
};
const getNRandomBase62Digits = (n) => {
  return Array.from({ length: n }, getRandomBase62Digit).join("");
};
export {
  storeMigrations,
  Versions as storeVersions
};
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