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import type { MigrationResult, ProjectRecord } from "./types";
import { getProjectId, isRecord } from "./utils";
const LEGACY_FONT_WEIGHT_MAP = new Map<string, string>([
["normal", "400"],
["bold", "700"],
]);
const VALID_NUMERIC_FONT_WEIGHTS = new Set([
"100",
"200",
"300",
"400",
"500",
"600",
"700",
"800",
"900",
]);
export function transformProjectV3ToV4({
project,
}: {
project: ProjectRecord;
}): MigrationResult<ProjectRecord> {
const projectId = getProjectId({ project });
if (!projectId) {
return { project, skipped: true, reason: "no project id" };
}
if (isV4Project({ project })) {
return { project, skipped: true, reason: "already v4" };
}
const migratedProject = normalizeProjectTextFontWeights({ project });
return {
project: {
...migratedProject,
version: 4,
},
skipped: false,
};
}
function normalizeProjectTextFontWeights({
project,
}: {
project: ProjectRecord;
}): ProjectRecord {
const scenesValue = project.scenes;
if (!Array.isArray(scenesValue)) {
return project;
}
let hasSceneChanges = false;
const normalizedScenes = scenesValue.map((scene) => {
const normalizedScene = normalizeSceneTextFontWeights({ scene });
if (normalizedScene !== scene) {
hasSceneChanges = true;
}
return normalizedScene;
});
if (!hasSceneChanges) {
return project;
}
return {
...project,
scenes: normalizedScenes,
};
}
function normalizeSceneTextFontWeights({ scene }: { scene: unknown }): unknown {
if (!isRecord(scene)) {
return scene;
}
const tracksValue = scene.tracks;
if (!Array.isArray(tracksValue)) {
return scene;
}
let hasTrackChanges = false;
const normalizedTracks = tracksValue.map((track) => {
const normalizedTrack = normalizeTrackTextFontWeights({ track });
if (normalizedTrack !== track) {
hasTrackChanges = true;
}
return normalizedTrack;
});
if (!hasTrackChanges) {
return scene;
}
return {
...scene,
tracks: normalizedTracks,
};
}
function normalizeTrackTextFontWeights({ track }: { track: unknown }): unknown {
if (!isRecord(track)) {
return track;
}
if (track.type !== "text") {
return track;
}
const elementsValue = track.elements;
if (!Array.isArray(elementsValue)) {
return track;
}
let hasElementChanges = false;
const normalizedElements = elementsValue.map((element) => {
const normalizedElement = normalizeTextElementFontWeight({ element });
if (normalizedElement !== element) {
hasElementChanges = true;
}
return normalizedElement;
});
if (!hasElementChanges) {
return track;
}
return {
...track,
elements: normalizedElements,
};
}
function normalizeTextElementFontWeight({
element,
}: {
element: unknown;
}): unknown {
if (!isRecord(element) || element.type !== "text") {
return element;
}
const normalizedWeight = normalizeFontWeight({ value: element.fontWeight });
if (normalizedWeight === element.fontWeight) {
return element;
}
return {
...element,
fontWeight: normalizedWeight,
};
}
function normalizeFontWeight({ value }: { value: unknown }): unknown {
if (typeof value === "number") {
const numericWeight = String(value);
if (VALID_NUMERIC_FONT_WEIGHTS.has(numericWeight)) {
return numericWeight;
}
return value;
}
if (typeof value !== "string") {
return value;
}
const normalized = value.trim().toLowerCase();
const mapped = LEGACY_FONT_WEIGHT_MAP.get(normalized);
if (mapped !== undefined) {
return mapped;
}
if (VALID_NUMERIC_FONT_WEIGHTS.has(normalized)) {
return normalized;
}
return value;
}
export { getProjectId } from "./utils";
function isV4Project({ project }: { project: ProjectRecord }): boolean {
const versionValue = project.version;
return typeof versionValue === "number" && versionValue >= 4;
}
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