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import type { MigrationResult, ProjectRecord } from "./types";
import { getProjectId, isRecord } from "./utils";
interface CustomMaskPathPoint {
id: string;
x: number;
y: number;
inX: number;
inY: number;
outX: number;
outY: number;
}
function isCustomMaskPathPoint(value: unknown): value is CustomMaskPathPoint {
if (!value || typeof value !== "object") {
return false;
}
const candidate = value as Record<string, unknown>;
return (
typeof candidate.id === "string" &&
typeof candidate.x === "number" &&
typeof candidate.y === "number" &&
typeof candidate.inX === "number" &&
typeof candidate.inY === "number" &&
typeof candidate.outX === "number" &&
typeof candidate.outY === "number"
);
}
function parseCustomMaskPath({
path,
}: {
path: string;
}): CustomMaskPathPoint[] {
if (!path) {
return [];
}
try {
const parsed = JSON.parse(path);
return Array.isArray(parsed) ? parsed.filter(isCustomMaskPathPoint) : [];
} catch {
return [];
}
}
export function transformProjectV26ToV27({
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 >= 27) {
return { project, skipped: true, reason: "already v27" };
}
if (version !== 26) {
return { project, skipped: true, reason: "not v26" };
}
return {
project: {
...migrateProject({ project }),
version: 27,
},
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) || !isRecord(scene.tracks)) {
return scene;
}
const tracks = scene.tracks;
const nextTracks: ProjectRecord = { ...tracks };
if (isRecord(tracks.main)) {
nextTracks.main = migrateTrack({ track: tracks.main });
}
if (Array.isArray(tracks.overlay)) {
nextTracks.overlay = tracks.overlay.map((track) => migrateTrack({ track }));
}
if (Array.isArray(tracks.audio)) {
nextTracks.audio = tracks.audio.map((track) => migrateTrack({ track }));
}
return {
...scene,
tracks: nextTracks,
};
}
function migrateTrack({ track }: { track: unknown }): unknown {
if (!isRecord(track) || !Array.isArray(track.elements)) {
return track;
}
return {
...track,
elements: track.elements.map((element) => migrateElement({ element })),
};
}
function migrateElement({ element }: { element: unknown }): unknown {
if (!isRecord(element) || !Array.isArray(element.masks)) {
return element;
}
return {
...element,
masks: element.masks.map((mask) => migrateMask({ mask })),
};
}
function migrateMask({ mask }: { mask: unknown }): unknown {
if (!isRecord(mask) || mask.type !== "custom" || !isRecord(mask.params)) {
return mask;
}
const path = mask.params.path;
if (typeof path !== "string") {
return mask;
}
return {
...mask,
params: {
...mask.params,
path: parseCustomMaskPath({ path }),
},
};
}
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