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import type { MigrationResult, ProjectRecord } from "./types";
import { getProjectId, isRecord } from "./utils";
export function transformProjectV23ToV24({
project,
}: {
project: ProjectRecord;
}): MigrationResult<ProjectRecord> {
if (!getProjectId({ project })) {
return { project, skipped: true, reason: "no project id" };
}
const version = project.version;
if (typeof version !== "number") {
return { project, skipped: true, reason: "invalid version" };
}
if (version >= 24) {
return { project, skipped: true, reason: "already v24" };
}
if (version !== 23) {
return { project, skipped: true, reason: "not v23" };
}
return {
project: {
...migrateProject({ project }),
version: 24,
},
skipped: false,
};
}
function migrateProject({
project,
}: {
project: ProjectRecord;
}): ProjectRecord {
if (!Array.isArray(project.scenes)) {
return project;
}
return {
...project,
scenes: project.scenes.map((scene) => migrateScene({ scene })),
};
}
function migrateScene({ scene }: { scene: unknown }): unknown {
if (!isRecord(scene) || !Array.isArray(scene.tracks)) {
return scene;
}
const mainTrack = findMainTrack({ tracks: scene.tracks });
if (!mainTrack) {
return scene;
}
return {
...scene,
tracks: {
overlay: scene.tracks
.filter((track) => track !== mainTrack)
.map((track) => migrateTrack({ track }))
.filter(
(track): track is ProjectRecord =>
isRecord(track) && track.type !== "audio",
),
main: migrateTrack({ track: mainTrack }),
audio: scene.tracks
.map((track) => migrateTrack({ track }))
.filter(
(track): track is ProjectRecord =>
isRecord(track) && track.type === "audio",
),
},
};
}
function findMainTrack({
tracks,
}: {
tracks: unknown[];
}): ProjectRecord | null {
for (const track of tracks) {
if (!isRecord(track)) {
continue;
}
if (track.type === "video" && track.isMain === true) {
return track;
}
}
for (const track of tracks) {
if (!isRecord(track)) {
continue;
}
if (track.type === "video") {
return track;
}
}
return null;
}
function migrateTrack({ track }: { track: unknown }): unknown {
if (!isRecord(track)) {
return track;
}
const nextTrack = { ...track };
delete nextTrack.isMain;
return nextTrack;
}
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