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import { INTENSITY_TO_SIGMA_DIVISOR } from "@/lib/effects/definitions/blur";
import type { MigrationResult, ProjectRecord } from "./types";
import { getProjectId, isRecord } from "./utils";
const LEGACY_DEFAULT_BACKGROUND_BLUR_INTENSITY = 50;
export function transformProjectV20ToV21({
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 >= 21) {
return { project, skipped: true, reason: "already v21" };
}
if (version !== 20) {
return { project, skipped: true, reason: "not v20" };
}
return {
project: {
...migrateBackgroundBlurScale({ project }),
version: 21,
},
skipped: false,
};
}
function migrateBackgroundBlurScale({
project,
}: {
project: ProjectRecord;
}): ProjectRecord {
if (!isRecord(project.settings)) {
return project;
}
const settings = { ...project.settings };
const background = settings.background;
if (!isRecord(background) || background.type !== "blur") {
return { ...project, settings };
}
const raw = background.blurIntensity;
const blurIntensity =
typeof raw === "number" && Number.isFinite(raw)
? raw * INTENSITY_TO_SIGMA_DIVISOR
: LEGACY_DEFAULT_BACKGROUND_BLUR_INTENSITY;
return {
...project,
settings: {
...settings,
background: {
...background,
blurIntensity,
},
},
};
}
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