feat: initial commit - Jhonny Editor
- Adicionado estrutura completa do projeto - Configurado MCP server para Premiere Pro - Adicionado documentação e skills - Configurado Gitignore para o projeto
This commit is contained in:
João Henrique
Executable
+333
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(function (root, factory) {
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const api = factory();
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if (typeof module === "object" && module.exports) module.exports = api;
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root.PremiereMcpSlideWorkflows = api;
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})(typeof globalThis !== "undefined" ? globalThis : this, function () {
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"use strict";
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// A slide is a narrow three-item trim composition: it moves the center item
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// without changing its source range, then retimes the immediate neighbours
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// to retain both adjacent cuts. It intentionally does not ripple, relink, or
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// infer source handles outside the exact readback below.
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function createSlideWorkflowDefinitions(deps) {
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const ppro = deps.ppro;
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const fallbackTails = new Map();
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const locks = deps.locks && typeof deps.locks.withTrackMutationLock === "function"
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? deps.locks
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: { withTrackMutationLock: localLock };
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const definitions = {
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"trackItem.slide.inspect": {
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readOnly: true,
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targetCapabilityProbe: true,
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minHostVersion: "25.6.0",
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probe: canUseTrackItemSlide,
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handler: inspectTrackItemSlide
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},
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"trackItem.slide": {
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destructive: true,
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undoable: true,
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idempotent: true,
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targetCapabilityProbe: true,
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minHostVersion: "25.6.0",
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probe: canUseTrackItemSlide,
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handler: slideTrackItem
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}
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};
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function canUseTrackItemSlide() {
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return !!(ppro.Project && typeof ppro.Project.getActiveProject === "function" &&
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ppro.TickTime && typeof ppro.TickTime.createWithSeconds === "function");
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}
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async function inspectTrackItemSlide(args) {
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assertOnlyKeys(args, ["mediaType", "trackIndex", "clipIndex"]);
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return slideSnapshot(await activeTriplet(args, false));
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}
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async function slideTrackItem(args) {
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assertOnlyKeys(args, ["mediaType", "trackIndex", "clipIndex", "expectedSnapshot", "slideBySeconds", "confirmSlide", "operationId"]);
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requireConfirmation(args.confirmSlide);
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requireOperationId(args.operationId);
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const target = targetCoordinates(args);
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const expected = requiredSnapshot(args.expectedSnapshot);
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const offset = signedOffset(args.slideBySeconds);
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assertExpectedTarget(expected, target);
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const initial = await activeTriplet(target, true);
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if (initial.projectGuid !== expected.projectGuid || initial.sequenceId !== expected.sequenceId) {
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throw commandError("UXP_STALE_TRACK_ITEM", "The active project or sequence no longer matches the reviewed slide snapshot");
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}
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const key = initial.projectGuid + "\u0000" + initial.sequenceId + "\u0000" + target.mediaType + "\u0000" + target.trackIndex;
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return locks.withTrackMutationLock(key, async function () {
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// Read the complete affected triplet only after entering the shared
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// track tail. A different operation ID cannot reuse an old snapshot
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// after a preceding slide or source-only slip has committed.
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const context = await activeTriplet(target, true);
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if (context.projectGuid !== expected.projectGuid || context.sequenceId !== expected.sequenceId) {
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throw commandError("UXP_STALE_TRACK_ITEM", "The active project or sequence changed before the slide transaction");
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}
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const before = await slideSnapshot(context);
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if (!sameSnapshot(before, expected)) {
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throw commandError("UXP_STALE_TRACK_ITEM", "The target or either immediate neighbour changed since the reviewed slide snapshot");
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}
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assertSlideSupported(before);
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const desired = desiredSlide(before, offset);
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let committed = false;
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context.project.lockedAccess(function () {
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if (guidString(context.project.guid) !== before.projectGuid || guidString(context.sequence.guid) !== before.sequenceId) {
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throw commandError("UXP_STALE_TRACK_ITEM", "The reviewed project or sequence changed before slide action creation");
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}
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const actions = [
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createAction(context.target, "createMoveAction", offset, "center move"),
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createAction(context.previous, "createSetEndAction", desired.previous.endSeconds, "previous timeline end"),
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createAction(context.previous, "createSetOutPointAction", desired.previous.outSeconds, "previous source out"),
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createAction(context.following, "createSetStartAction", desired.following.startSeconds, "following timeline start"),
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createAction(context.following, "createSetInPointAction", desired.following.inSeconds, "following source in")
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];
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committed = context.project.executeTransaction(function (compoundAction) {
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for (const action of actions) {
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if (compoundAction.addAction(action) === false) {
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throw commandError("UXP_ACTION_REJECTED", "Premiere rejected a slide action");
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}
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}
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}, "Slide timeline item");
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});
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if (!committed) throw commandError("UXP_TRANSACTION_FAILED", "Premiere did not commit the slide transaction");
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// Re-resolve all coordinates. A failed postcondition can follow a
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// committed host transaction, so callers must inspect before another
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// mutation if this verification throws.
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const afterContext = await activeTriplet(target, true);
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if (afterContext.projectGuid !== before.projectGuid || afterContext.sequenceId !== before.sequenceId) {
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throw commandError("UXP_VERIFICATION_FAILED", "Premiere changed the active project or sequence during the committed slide");
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}
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const after = await slideSnapshot(afterContext);
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if (!sameSlideResult(before, after, desired)) {
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throw commandError("UXP_VERIFICATION_FAILED", "Premiere did not retain the requested contiguous three-item slide");
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}
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return {
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slid: true,
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before,
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after,
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slideBySeconds: offset,
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outcome: "verified",
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verificationBoundary: "three_track_item_source_and_timeline_readback",
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undoLabel: "Slide timeline item"
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};
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});
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}
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async function activeTriplet(args, requireTransaction) {
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if (!ppro.Project || typeof ppro.Project.getActiveProject !== "function") {
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throw commandError("UXP_COMMAND_UNAVAILABLE", "Premiere project APIs are unavailable");
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}
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const project = await ppro.Project.getActiveProject();
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if (!project) throw commandError("UXP_NO_ACTIVE_PROJECT", "No active project");
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if (requireTransaction && (typeof project.lockedAccess !== "function" || typeof project.executeTransaction !== "function")) {
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throw commandError("UXP_COMMAND_UNAVAILABLE", "This Premiere build does not expose locked undoable transactions");
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}
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if (typeof project.getActiveSequence !== "function") throw commandError("UXP_COMMAND_UNAVAILABLE", "Premiere cannot resolve the active sequence");
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const sequence = await project.getActiveSequence();
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if (!sequence) throw commandError("UXP_NO_ACTIVE_SEQUENCE", "No active sequence");
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const target = targetCoordinates(args), projectGuid = requiredGuid(project.guid, "active project GUID"), sequenceId = requiredGuid(sequence.guid, "active sequence GUID");
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const items = await clipItemsAt(sequence, target);
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if (target.clipIndex < 1 || target.clipIndex + 1 >= items.length) {
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throw commandError("UXP_TARGET_UNSUPPORTED", "A slide requires an immediate previous and following clip on the same track");
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}
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return {
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project, sequence, projectGuid, sequenceId, ...target,
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previous: items[target.clipIndex - 1], target: items[target.clipIndex], following: items[target.clipIndex + 1]
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};
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}
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async function clipItemsAt(sequence, target) {
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const title = target.mediaType === "video" ? "Video" : "Audio";
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const countMethod = "get" + title + "TrackCount", trackMethod = "get" + title + "Track";
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if (typeof sequence[countMethod] !== "function" || typeof sequence[trackMethod] !== "function") {
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throw commandError("UXP_COMMAND_UNAVAILABLE", target.mediaType + " track APIs are unavailable");
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}
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const count = Number(await sequence[countMethod]());
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if (!Number.isSafeInteger(count) || count < 0) throw commandError("UXP_VERIFICATION_FAILED", "Premiere returned an invalid " + target.mediaType + " track count");
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if (target.trackIndex >= count) throw commandError("UXP_TARGET_NOT_FOUND", target.mediaType + " trackIndex is out of range");
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const track = await sequence[trackMethod](target.trackIndex), itemType = ppro.Constants && ppro.Constants.TrackItemType;
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if (!track || !itemType || itemType.CLIP == null || typeof track.getTrackItems !== "function") {
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throw commandError("UXP_COMMAND_UNAVAILABLE", "Clip track-item APIs are unavailable");
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}
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const items = Array.from(await track.getTrackItems(itemType.CLIP, false) || []);
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if (items.length > 512) throw commandError("UXP_TARGET_TOO_LARGE", "The target track has more than 512 clip items");
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return items;
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}
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async function slideSnapshot(context) {
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return {
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projectGuid: context.projectGuid,
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sequenceId: context.sequenceId,
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mediaType: context.mediaType,
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trackIndex: context.trackIndex,
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clipIndex: context.clipIndex,
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previous: await itemSnapshot(context.previous, "previous"),
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target: await itemSnapshot(context.target, "target"),
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following: await itemSnapshot(context.following, "following")
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};
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}
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async function itemSnapshot(item, label) {
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const snapshot = {
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startSeconds: tickSeconds(await requiredMethod(item, "getStartTime")()),
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endSeconds: tickSeconds(await requiredMethod(item, "getEndTime")()),
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inSeconds: tickSeconds(await requiredMethod(item, "getInPoint")()),
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outSeconds: tickSeconds(await requiredMethod(item, "getOutPoint")()),
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durationSeconds: tickSeconds(await requiredMethod(item, "getDuration")()),
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speed: Number(await requiredMethod(item, "getSpeed")()),
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reversed: Boolean(await requiredMethod(item, "isSpeedReversed")())
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};
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for (const key of ["startSeconds", "endSeconds", "inSeconds", "outSeconds", "durationSeconds"]) {
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if (!Number.isFinite(snapshot[key]) || snapshot[key] < 0 || snapshot[key] > 86400) {
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throw commandError("UXP_VERIFICATION_FAILED", "Premiere returned an invalid " + label + " " + key);
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}
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}
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if (!Number.isFinite(snapshot.speed) || snapshot.speed < 0 || snapshot.speed > 100) {
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throw commandError("UXP_VERIFICATION_FAILED", "Premiere returned an invalid " + label + " speed");
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}
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return snapshot;
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}
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function assertSlideSupported(snapshot) {
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for (const label of ["previous", "target", "following"]) {
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const item = snapshot[label];
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if (!numbersEqual(item.speed, 1) || item.reversed || !numbersEqual(item.endSeconds - item.startSeconds, item.durationSeconds) ||
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!numbersEqual(item.outSeconds - item.inSeconds, item.durationSeconds) || item.durationSeconds <= 0) {
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throw commandError("UXP_TARGET_UNSUPPORTED", "Slide only supports contiguous forward 1x items with matching source and timeline durations");
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}
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}
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if (!numbersEqual(snapshot.previous.endSeconds, snapshot.target.startSeconds) || !numbersEqual(snapshot.target.endSeconds, snapshot.following.startSeconds)) {
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throw commandError("UXP_TARGET_UNSUPPORTED", "Slide requires no gap or overlap at either adjacent cut");
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}
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}
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function desiredSlide(before, offset) {
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const previous = { ...before.previous, endSeconds: before.previous.endSeconds + offset, outSeconds: before.previous.outSeconds + offset, durationSeconds: before.previous.durationSeconds + offset };
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const target = { ...before.target, startSeconds: before.target.startSeconds + offset, endSeconds: before.target.endSeconds + offset };
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const following = { ...before.following, startSeconds: before.following.startSeconds + offset, inSeconds: before.following.inSeconds + offset, durationSeconds: before.following.durationSeconds - offset };
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for (const item of [previous, target, following]) {
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for (const key of ["startSeconds", "endSeconds", "inSeconds", "outSeconds"]) {
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if (!Number.isFinite(item[key]) || item[key] < 0 || item[key] > 86400) {
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throw commandError("UXP_TARGET_UNSUPPORTED", "The requested slide exceeds documented timeline or source-time bounds");
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}
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}
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}
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if (previous.endSeconds <= previous.startSeconds || previous.outSeconds <= previous.inSeconds ||
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following.endSeconds <= following.startSeconds || following.outSeconds <= following.inSeconds) {
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throw commandError("UXP_TARGET_UNSUPPORTED", "The requested slide would create a zero- or negative-duration neighbour");
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}
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return { previous, target, following };
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}
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function sameSlideResult(before, after, desired) {
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return sameIdentity(before, after) &&
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sameItem(after.previous, desired.previous) && sameItem(after.target, desired.target) && sameItem(after.following, desired.following) &&
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numbersEqual(after.previous.endSeconds, after.target.startSeconds) && numbersEqual(after.target.endSeconds, after.following.startSeconds) &&
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numbersEqual(after.previous.endSeconds - after.previous.startSeconds, after.previous.durationSeconds) &&
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numbersEqual(after.target.endSeconds - after.target.startSeconds, after.target.durationSeconds) &&
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numbersEqual(after.following.endSeconds - after.following.startSeconds, after.following.durationSeconds) &&
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numbersEqual(after.previous.outSeconds - after.previous.inSeconds, after.previous.durationSeconds) &&
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numbersEqual(after.target.outSeconds - after.target.inSeconds, after.target.durationSeconds) &&
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numbersEqual(after.following.outSeconds - after.following.inSeconds, after.following.durationSeconds);
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}
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function sameSnapshot(left, right) {
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return sameIdentity(left, right) && sameItem(left.previous, right.previous) && sameItem(left.target, right.target) && sameItem(left.following, right.following);
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}
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function sameIdentity(left, right) {
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return left.projectGuid === right.projectGuid && left.sequenceId === right.sequenceId && left.mediaType === right.mediaType &&
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left.trackIndex === right.trackIndex && left.clipIndex === right.clipIndex;
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}
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function sameItem(left, right) {
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return numbersEqual(left.startSeconds, right.startSeconds) && numbersEqual(left.endSeconds, right.endSeconds) &&
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numbersEqual(left.inSeconds, right.inSeconds) && numbersEqual(left.outSeconds, right.outSeconds) &&
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numbersEqual(left.durationSeconds, right.durationSeconds) && numbersEqual(left.speed, right.speed) && left.reversed === right.reversed;
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}
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function createAction(item, method, seconds, label) {
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const action = requiredMethod(item, method)(ppro.TickTime.createWithSeconds(seconds));
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if (!action) throw commandError("UXP_ACTION_REJECTED", "Premiere did not create the " + label + " action");
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return action;
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}
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function targetCoordinates(args) {
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return { mediaType: enumValue(args.mediaType, "mediaType", ["video", "audio"]), trackIndex: nonNegativeInt(args.trackIndex, "trackIndex"), clipIndex: nonNegativeInt(args.clipIndex, "clipIndex") };
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}
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function requiredSnapshot(value) {
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assertObject(value, "expectedSnapshot");
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const allowed = ["projectGuid", "sequenceId", "mediaType", "trackIndex", "clipIndex", "previous", "target", "following"];
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assertOnlyKeys(value, allowed);
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for (const key of allowed) if (!(key in value)) throw commandError("UXP_INVALID_ARGUMENT", "expectedSnapshot." + key + " is required");
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return {
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projectGuid: requiredGuid(value.projectGuid, "expectedSnapshot.projectGuid"), sequenceId: requiredGuid(value.sequenceId, "expectedSnapshot.sequenceId"),
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mediaType: enumValue(value.mediaType, "expectedSnapshot.mediaType", ["video", "audio"]), trackIndex: nonNegativeInt(value.trackIndex, "expectedSnapshot.trackIndex"),
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clipIndex: nonNegativeInt(value.clipIndex, "expectedSnapshot.clipIndex"),
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previous: requiredItemSnapshot(value.previous, "expectedSnapshot.previous"), target: requiredItemSnapshot(value.target, "expectedSnapshot.target"), following: requiredItemSnapshot(value.following, "expectedSnapshot.following")
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};
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}
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function requiredItemSnapshot(value, name) {
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assertObject(value, name);
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const allowed = ["startSeconds", "endSeconds", "inSeconds", "outSeconds", "durationSeconds", "speed", "reversed"];
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assertOnlyKeys(value, allowed);
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for (const key of allowed) if (!(key in value)) throw commandError("UXP_INVALID_ARGUMENT", name + "." + key + " is required");
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return {
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startSeconds: boundedSeconds(value.startSeconds, name + ".startSeconds"), endSeconds: boundedSeconds(value.endSeconds, name + ".endSeconds"),
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inSeconds: boundedSeconds(value.inSeconds, name + ".inSeconds"), outSeconds: boundedSeconds(value.outSeconds, name + ".outSeconds"),
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durationSeconds: boundedSeconds(value.durationSeconds, name + ".durationSeconds"), speed: boundedSpeed(value.speed, name + ".speed"), reversed: requiredBoolean(value.reversed, name + ".reversed")
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};
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}
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function assertExpectedTarget(expected, target) {
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if (expected.mediaType !== target.mediaType || expected.trackIndex !== target.trackIndex || expected.clipIndex !== target.clipIndex) {
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throw commandError("UXP_INVALID_ARGUMENT", "expectedSnapshot target coordinates must match mediaType, trackIndex, and clipIndex");
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}
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}
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function signedOffset(value) {
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const offset = Number(value);
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if (!Number.isFinite(offset) || offset < -60 || offset > 60 || numbersEqual(offset, 0)) {
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throw commandError("UXP_INVALID_ARGUMENT", "slideBySeconds must be a non-zero number from -60 to 60");
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}
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return offset;
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}
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function localLock(key, operation) {
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const previous = fallbackTails.get(key) || Promise.resolve();
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let release;
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const gate = new Promise(function (resolve) { release = resolve; });
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const tail = previous.catch(function () { return undefined; }).then(function () { return gate; });
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fallbackTails.set(key, tail);
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return previous.catch(function () { return undefined; }).then(operation).finally(function () {
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release();
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if (fallbackTails.get(key) === tail) fallbackTails.delete(key);
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});
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}
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function requiredMethod(target, name) { if (!target || typeof target[name] !== "function") throw commandError("UXP_COMMAND_UNAVAILABLE", "The timeline item does not expose " + name); return target[name].bind(target); }
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function assertObject(value, name) { if (!value || typeof value !== "object" || Array.isArray(value)) throw commandError("UXP_INVALID_ARGUMENT", name + " must be an object"); }
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function assertOnlyKeys(value, allowed) { assertObject(value, "arguments"); for (const key of Object.keys(value)) if (allowed.indexOf(key) === -1) throw commandError("UXP_INVALID_ARGUMENT", "Unexpected argument: " + key); }
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function enumValue(value, name, allowed) { if (allowed.indexOf(value) === -1) throw commandError("UXP_INVALID_ARGUMENT", name + " must be one of " + allowed.join(", ")); return value; }
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function nonNegativeInt(value, name) { if (!Number.isSafeInteger(value) || value < 0 || value > 511) throw commandError("UXP_INVALID_ARGUMENT", name + " must be an integer from 0 to 511"); return value; }
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function boundedSeconds(value, name) { const seconds = Number(value); if (!Number.isFinite(seconds) || seconds < 0 || seconds > 86400) throw commandError("UXP_INVALID_ARGUMENT", name + " must be a number from 0 to 86400"); return seconds; }
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function boundedSpeed(value, name) { const speed = Number(value); if (!Number.isFinite(speed) || speed < 0 || speed > 100) throw commandError("UXP_INVALID_ARGUMENT", name + " must be a number from 0 to 100"); return speed; }
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function requiredBoolean(value, name) { if (typeof value !== "boolean") throw commandError("UXP_INVALID_ARGUMENT", name + " must be a boolean"); return value; }
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function requireConfirmation(value) { if (value !== true) throw commandError("UXP_CONFIRMATION_REQUIRED", "trackItem.slide requires confirmSlide: true"); }
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function requireOperationId(value) { if (typeof value !== "string" || !/^[A-Za-z0-9._:-]{1,128}$/.test(value)) throw commandError("UXP_INVALID_ARGUMENT", "operationId is required and must be 1-128 safe characters"); }
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function requiredGuid(value, name) { const guid = guidString(value); if (!guid || guid.length > 128 || guid.indexOf("\u0000") !== -1) throw commandError("UXP_VERIFICATION_FAILED", name + " is unavailable or invalid"); return guid; }
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function guidString(value) { if (value == null) return ""; try { return typeof value.toString === "function" ? String(value.toString()) : String(value); } catch (_) { return ""; } }
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function tickSeconds(value) { const seconds = value && Number(value.seconds); return Number.isFinite(seconds) ? seconds : null; }
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function numbersEqual(left, right) { return Number.isFinite(Number(left)) && Number.isFinite(Number(right)) && Math.abs(Number(left) - Number(right)) < 0.000001; }
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function commandError(code, message) { const error = new Error(message); error.code = code; return error; }
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return definitions;
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}
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return { createSlideWorkflowDefinitions };
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});
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