Update to Remotion
Snapshot Oct 2, 2026 · 00:37 UTC · version 4.0.530
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Instructions updated for remotion-interactivity
Instruction wording changed from “4.0.506” to “4.0.530”. 78 additional added or edited lines are in the evidence.
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Skill instructions
4.0.506 Every HTML and SVG element such as `<div>` can be turned interactive using `Interactive`: When scaffolding a composition, keep `width`, `height`, `fps`, `durationInFrames` and `defaultProps` inline and make no type assertions. If...
4.0.530 ## Give every independently editable item its own JSX node The Studio edits the JSX source node that created an item. If multiple runtime items come from the same JSX node, they share one source-editing target. For every composit...
Supporting files
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[{"relative_path":"agents/openai.yaml","size_in_bytes":320},{"relative_path":"assets/remotion-icon.svg","size_in_bytes":1303}]
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changed /included_files
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{
"relative_path": "agents/openai.yaml",
"size_in_bytes": 320
},
{
"relative_path": "assets/remotion-icon.png",
"size_in_bytes": 1286
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][
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"relative_path": "agents/openai.yaml",
"size_in_bytes": 320
},
{
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]changed /skill_md_contents
"---\nname: remotion-interactivity\ndescription: Structure Remotion markup for interactivity\nversion: 4.0.506\n---\n\nBy writing Remotion markup in a specific way, the Remotion Studio is able to recognize the structure of the code and makes it interactive:\n\n- Allowing items to be selected by clicking on them\n- Allowing drag+drop, resizing and rotation\n- Editing the CSS styles\n- Making keyframes and easing values editable\n\nIf the markup is too complex for the Studio to make it interactive, then the values become grayed out.\n\n## Make an HTML element interactive using `Interactive`\n\nEvery HTML and SVG element such as `<div>` can be turned interactive using `Interactive`:\n\n```tsx title=\"Interactive elements\"\n<Interactive.Div\n name=\"Greeting card\"\n style={{fontSize: 80, padding: 24}}\n>\n Hello\n</Interactive.Div>\n```\n\nThis allows styles and keyframes to be set in the Studio. Be sensible, if a component has many elements, the timeline might get messy.\n\n## Prefer inline text\n\nIf text is fixed and only used once, write it directly inside the interactive element instead of extracting it into a constant.\n\n```tsx title=\"Inline text\"\n// 👍 Fixed copy stays editable\n<Interactive.Div name=\"Title\">\n Remotion Best Practices\n</Interactive.Div>\n```\n\nUse a prop or variable only when the text is dynamic or reused.\n\n## Give interactive elements a descriptive name\n\nAdd a `name` prop to elements to make them easily identifyable.\n\n```tsx title=\"Interactive names\"\n<>\n <Interactive.Div name=\"Hero title\" style={{fontSize: 80}}>\n Launch day\n </Interactive.Div>\n <Img name=\"Avatar\" src=\"https://remotion.media/image.jpeg\" />\n <Video name=\"Background\" src=\"https://remotion.media/video.mp4\" />\n <Sequence name=\"Title\">\n Launch day\n </Sequence>\n</>\n```\n\n## Keep all CSS styles inline\n\nThe best way is to just pass a plain object to `style` - no referring to constants, no object spreading, no math.\n\n```tsx title=\"Interactive example\"\n<Interactive.Div\n style={{\n fontSize: 80,\n color: 'red',\n }}\n>\n Hello World!\n</Interactive.Div>\n```\n\n```tsx title=\"❌ Bad for interactivity\"\nconst baseStyle = useMemo(() => {\n return {\n fontSize: 12 // ❌ Non-inline styles are not supported\n }\n}, []);\n\n<Interactive.Div\n style={{\n ...baseStyle, // ❌ Spreading is not supported\n color: RED, // ❌ Referring to constants is not supported\n scale: frame * 10 // ❌ Math is not supported\n }}\n>\n Hello World!\n</Interactive.Div>\n```\n\n## Animate using `interpolate()`\n\nWrite animations as inline `interpolate()` calls on the property that changes. \nThe output range, easing, extrapolation and `output` property should use hardcoded values.\n\nThe input range may additionally use `durationInFrames`, `fps`, `width` and `height` destructured directly from `useVideoConfig()`. Bare identifiers such as `durationInFrames`, multiplication with a number such as `2 * fps` or `fps * 2`, and subtraction of a number such as `durationInFrames - 1` are supported.\n\n```tsx title=\"Inline values\"\nconst {fps, durationInFrames} = useVideoConfig();\n\n// 👍 Inline values can be standardized and keyframed\n<Interactive.Div\n name=\"Product card\"\n style={{\n color: 'white',\n fontSize: 80,\n scale: interpolate(frame, [0, fps], [0, 1], {\n easing: Easing.spring({damping: 200}),\n output: 'perceptual-scale',\n extrapolateLeft: 'clamp',\n extrapolateRight: 'clamp'\n }),\n rotate: interpolate(frame, [0, 1 * fps], ['0deg', '20deg'], {\n easing: Easing.spring({damping: 200}),\n extrapolateLeft: 'clamp',\n extrapolateRight: 'clamp'\n }),\n translate: interpolate(\n frame,\n [durationInFrames - 30, durationInFrames],\n ['0px 0px', '0px 120px'],\n {\n easing: Easing.spring({damping: 200}),\n output: 'perceptual-scale',\n extrapolateLeft: 'clamp',\n extrapolateRight: 'clamp'\n }\n ),\n }}\n/>\n```\n\n```tsx title=\"❌ Bad interactivity\"\nconst translateY = interpolate(frame, [0, 30], [0, 120]); // ❌ Math should be directly in the markup\n\n<Interactive.Div\n name=\"Product card\"\n style={{\n translate: translateY, // ❌ Only inline interpolate() calls are supported,\n rotate: interpolate(frame, [start, start + 10], [0, Math.PI]), // ❌ Cannot use math with arbitrary variables, cannot use constants\n scale: interpolate(anyVariable, [0, 30], [0, 1]) // ❌ Can only interpret the `frame` variable.\n }}\n/>\n```\n\n## Use `scale`, `translate`, `rotate` CSS properties\n\nAvoid the `transform` CSS property. \nIf possible, use `scale`, `rotate` and `translate` instead because only they are interactively editable.\n\n## Keep composition metadata inline\n\nWhen scaffolding a composition, keep `width`, `height`, `fps`, `durationInFrames` and `defaultProps` inline and make no type assertions.\n\nThe Props editor can save visual edits back to your code when `defaultProps` is an inline object literal on `<Composition>` or `<Still>`.\n\n```tsx\n// 👍 Static values are in <Composition>, dynamic values are in calculateMetadata()\nconst calculateMetadata = useMemo(async () => {\n const dimensions = await getDimensions(); // just an example\n return {width: dimensions.width, height: dimensions.height};\n});\n\n<Composition\n id=\"my-video\"\n component={MyComponent}\n durationInFrames={150}\n fps={30}\n calculateMetadata={calculateMetadata}\n defaultProps={{title: 'Hello', color: '#0b84ff'}}\n/>\n```\n\n```tsx title=\"Negative examples\"\nconst defaultProps = {title: 'Hello', color: '#0b84ff'}; // ❌ Don't extract defaultProps, must be inline\nconst calculateMetadata = useMemo(() => {\n // ❌ Unnecessary because no calculation is being done,\n return {durationInFrames: 150, fps: 30, width: 1920, height: 1080};\n});\n\n<Composition\n id=\"my-video\"\n component={MyComponent}\n calculateMetadata={calculateMetadata}\n defaultProps={{\n title: 'Hello',\n } as Props} // ❌ Don't have type assertions, instead type MyComponent correctly\n/>\n```\n\nUse only `calculateMetadata()` for the part of the metadata that is dynamic.\n\n## Effects should be inline too\n\nThe effects array should not be computed. \nThe same rules for setting keyframes as `interpolate()` apply too here: All values should also be hardcoded: Input range, output range, easing, extrapolation, `output` property.\n\n```tsx title=\"Effects\"\n// 👍 Parameters are inline and the array shape is stable\n<CanvasImage\n src={src}\n width={1280}\n height={720}\n effects={[\n radialProgressiveBlur({\n center: [0.5, 0.5],\n width: 1.2,\n height: 0.8,\n start: 0.2,\n disabled: true,\n rotation: interpolate(frame, [0, 120], [0, 180]),\n }),\n ]}\n/>\n\nconst center = [0.5, 0.5] as const;\nconst rotation = frame * 1.5;\n\n<CanvasImage\n src={src}\n width={1280}\n height={720}\n // ❌ Conditional effect is not animateable\n effects={enabled ? [\n radialProgressiveBlur({\n // ❌ Not inline\n center,\n rotation,\n }),\n ] : []}\n/>\n```\n\nRender separate elements if one version should have effects and another should not.\n\n## Making your own component interactive\n\nTo make a custom userland component interactive, use:\n[Make a component interactive](https://www.remotion.dev/docs/studio/make-component-interactive.md)\n\n## Video editing\n\nIf a Remotion component mainly consists of video and audio clips, see [Video editing](../remotion-markup/video-editing.md) for best practices on how to structure Remotion markup so the clips are interactively editable in the timeline.\n""---\nname: remotion-interactivity\ndescription: Structure Remotion markup for interactivity\nversion: 4.0.530\n---\n\nBy writing Remotion markup in a specific way, the Remotion Studio is able to recognize the structure of the code and makes it interactive:\n\n- Allowing items to be selected by clicking on them\n- Allowing drag+drop, resizing and rotation\n- Editing the CSS styles\n- Making keyframes and easing values editable\n\nIf the markup is too complex for the Studio to make it interactive, then the values become grayed out.\n\n## Give every independently editable item its own JSX node\n\nThe Studio edits the JSX source node that created an item. If multiple runtime\nitems come from the same JSX node, they share one source-editing target.\n\nFor every composition registration, clip, scene, layer or sequence that should\nbe editable on its own, write a separate JSX node and keep its editable props\non that node. This applies to `<Composition>`, `<Still>`, built-in media\ncomponents, `<Sequence>`, `<Series.Sequence>`, `<TransitionSeries.Sequence>`\nand custom components.\n\nFor example, author an editable timeline like this:\n\n```tsx title=\"Separate source nodes\"\n<Series>\n <Series.Sequence name=\"Introduction\" durationInFrames={90}>\n <Introduction />\n </Series.Sequence>\n <Series.Sequence name=\"Demo\" durationInFrames={150}>\n <Demo />\n </Series.Sequence>\n</Series>\n```\n\nA `.map()` or another programmatic loop would create multiple runtime items\nfrom one JSX source node. That is appropriate for repeated output that is\nintentionally controlled as one template, such as visualization bars or\nparticles. It is not appropriate when the instances need independent IDs or\nnames, props, metadata, timing, ordering, deletion or duplication in the\nStudio.\n\n## Make an HTML element interactive using `Interactive`\n\nEvery HTML and SVG element (except `<Img>`, it already is interactive) such as `<div>` can be turned interactive using `Interactive`:\n\n```tsx title=\"Interactive elements\"\n<Interactive.Div\n name=\"Greeting card\"\n style={{fontSize: 80, padding: 24}}\n>\n Hello\n</Interactive.Div>\n```\n\nThis allows styles and keyframes to be set in the Studio. Be sensible, if a component has many elements, the timeline might get messy.\n\n## Prefer inline text\n\nIf text is fixed and only used once, write it directly inside the interactive element instead of extracting it into a constant.\n\n```tsx title=\"Inline text\"\n// 👍 Fixed copy stays editable\n<Interactive.Div name=\"Title\">\n Remotion Best Practices\n</Interactive.Div>\n```\n\nUse a prop or variable only when the text is dynamic or reused.\n\n## Give interactive elements a descriptive name\n\nAdd a `name` prop to elements to make them easily identifyable.\nAvoid computed names, hardcode them.\n\n```tsx title=\"Interactive names\"\n<>\n <Interactive.Div name=\"Hero title\" style={{fontSize: 80}}>\n Launch day\n </Interactive.Div>\n <Img name=\"Avatar\" src=\"https://remotion.media/image.jpeg\" />\n <Video name=\"Background\" src=\"https://remotion.media/video.mp4\" />\n <Sequence name=\"Title\">\n Launch day\n </Sequence>\n</>\n```\n\n## Keep all CSS styles inline\n\nThe best way is to just pass a plain object to `style` - no referring to constants, no object spreading, no math.\n\n```tsx title=\"Interactive example\"\n<Interactive.Div\n style={{\n fontSize: 80,\n color: 'red',\n }}\n>\n Hello World!\n</Interactive.Div>\n```\n\n```tsx title=\"❌ Bad for interactivity\"\nconst baseStyle = useMemo(() => {\n return {\n fontSize: 12 // ❌ Non-inline styles are not supported\n }\n}, []);\n\n<Interactive.Div\n style={{\n ...baseStyle, // ❌ Spreading is not supported\n color: RED, // ❌ Referring to constants is not supported\n scale: frame * 10 // ❌ Math is not supported\n }}\n>\n Hello World!\n</Interactive.Div>\n```\n\n## Animate using `interpolate()`\n\nWrite animations as inline `interpolate()` calls on the property that changes. \nThe output range, easing, extrapolation and `output` property should use hardcoded values.\n\nThe input range may additionally use `durationInFrames`, `fps`, `width` and `height` destructured directly from `useVideoConfig()`. Bare identifiers such as `durationInFrames`, multiplication with a number such as `2 * fps` or `fps * 2`, and subtraction of a number such as `durationInFrames - 1` are supported.\n\n```tsx title=\"Inline values\"\nconst {fps, durationInFrames} = useVideoConfig();\n\n// 👍 Inline values can be standardized and keyframed\n<Interactive.Div\n name=\"Product card\"\n style={{\n color: 'white',\n fontSize: 80,\n scale: interpolate(frame, [0, fps], [0, 1], {\n easing: Easing.spring({damping: 200}),\n output: 'perceptual-scale',\n extrapolateLeft: 'clamp',\n extrapolateRight: 'clamp'\n }),\n rotate: interpolate(frame, [0, 1 * fps], ['0deg', '20deg'], {\n easing: Easing.spring({damping: 200}),\n extrapolateLeft: 'clamp',\n extrapolateRight: 'clamp'\n }),\n translate: interpolate(\n frame,\n [durationInFrames - 30, durationInFrames],\n ['0px 0px', '0px 120px'],\n {\n easing: Easing.spring({damping: 200}),\n output: 'perceptual-scale',\n extrapolateLeft: 'clamp',\n extrapolateRight: 'clamp'\n }\n ),\n }}\n/>\n```\n\n```tsx title=\"❌ Bad interactivity\"\nconst translateY = interpolate(frame, [0, 30], [0, 120]); // ❌ Math should be directly in the markup\n\n<Interactive.Div\n name=\"Product card\"\n style={{\n translate: translateY, // ❌ Only inline interpolate() calls are supported,\n rotate: interpolate(frame, [start, start + 10], [0, Math.PI]), // ❌ Cannot use math with arbitrary variables, cannot use constants\n scale: interpolate(anyVariable, [0, 30], [0, 1]) // ❌ Can only interpret the `frame` variable.\n }}\n/>\n```\n\n## Keep SVG paths editable with `Interactive.Path`\n\nUse `<Interactive.Path>` from `remotion` instead of `<path>` inside an SVG to make the path visually editable.\n\nInstall `@remotion/paths` for path interpolation and Studio path keyframes:\n\n```sh\nbunx remotion add @remotion/paths\n```\n\nIf the geometry is meant to be static, put the path string directly in the `d` prop. Do not extract it into a constant.\n\n```tsx title=\"Editable static path\"\nimport {Interactive} from 'remotion';\n\n<Interactive.Svg width={300} height={300} viewBox=\"0 0 300 300\">\n <Interactive.Path\n name=\"Triangle\"\n d=\"M 40 40 L 260 40 L 150 260 Z\"\n fill=\"#0b84f3\"\n />\n</Interactive.Svg>\n```\n\n### Morph paths using inline `interpolatePaths()`\n\nUse `interpolatePaths()` from `@remotion/paths` directly in `d`. \nIt accepts a frame, an input range, an equally sized array of path strings, and options for easing, extrapolation, and posterization.\nKeep the output paths, ranges, and options inline, following the same input-range rules as `interpolate()` above. \nDo not use `interpolatePath()` API or extract the interpolated result into a variable when the path keyframes should remain editable in Studio.\n\n```tsx title=\"Editable path keyframes\"\nimport {interpolatePaths} from '@remotion/paths';\nimport {Easing, Interactive, useCurrentFrame} from 'remotion';\n\nexport const MorphingPath = () => {\n const frame = useCurrentFrame();\n\n return (\n <Interactive.Svg width={300} height={300} viewBox=\"0 0 300 300\">\n <Interactive.Path\n name=\"Morphing triangle\"\n d={interpolatePaths(\n frame,\n [0, 30, 60],\n [\n 'M 40 40 L 260 40 L 150 260 Z',\n 'M 40 150 L 150 40 L 260 150 Z',\n 'M 40 260 L 150 40 L 260 260 Z',\n ],\n {\n easing: Easing.bezier(0.42, 0, 0.58, 1),\n extrapolateLeft: 'clamp',\n extrapolateRight: 'clamp',\n },\n )}\n fill=\"#0b84f3\"\n />\n </Interactive.Svg>\n );\n};\n```\n\nStudio can edit the path at the current frame, add or move keyframes, and adjust their easing. \nUse `strokeDasharray` and `strokeDashoffset` to evolve paths.\n\n## Use `scale`, `translate`, `rotate` CSS properties\n\nAvoid the `transform` CSS property. \nIf possible, use `scale`, `rotate` and `translate` instead because only they are interactively editable.\n\n## Keep composition metadata inline\n\nWhen scaffolding a composition, use a JSX string literal for `id`, keep `width`, `height`, `fps`, `durationInFrames` and `defaultProps` inline and make no type assertions.\n\nThe Props editor can save visual edits back to your code when `defaultProps` is an inline object literal on `<Composition>` or `<Still>`.\n\n```tsx\n// 👍 Static values are in <Composition>, dynamic values are in calculateMetadata()\nconst calculateMetadata = useMemo(async () => {\n const dimensions = await getDimensions(); // just an example\n return {width: dimensions.width, height: dimensions.height};\n});\n\n<Composition\n id=\"my-video\"\n component={MyComponent}\n durationInFrames={150}\n fps={30}\n calculateMetadata={calculateMetadata}\n defaultProps={{title: 'Hello', color: '#0b84ff'}}\n/>\n```\n\n```tsx title=\"Negative examples\"\nconst defaultProps = {title: 'Hello', color: '#0b84ff'}; // ❌ Don't extract defaultProps, must be inline\nconst calculateMetadata = useMemo(() => {\n // ❌ Unnecessary because no calculation is being done,\n return {durationInFrames: 150, fps: 30, width: 1920, height: 1080};\n});\n\n<Composition\n id=\"my-video\"\n component={MyComponent}\n calculateMetadata={calculateMetadata}\n defaultProps={{\n title: 'Hello',\n } as Props} // ❌ Don't have type assertions, instead type MyComponent correctly\n/>\n```\n\nUse only `calculateMetadata()` for the part of the metadata that is dynamic.\n\n## Effects should be inline too\n\nThe effects array should not be computed. \nThe same rules for setting keyframes as `interpolate()` apply too here: All values should also be hardcoded: Input range, output range, easing, extrapolation, `output` property.\n\n```tsx title=\"Effects\"\n// 👍 Parameters are inline and the array shape is stable\n<CanvasImage\n src={src}\n width={1280}\n height={720}\n effects={[\n radialProgressiveBlur({\n center: [0.5, 0.5],\n width: 1.2,\n height: 0.8,\n start: 0.2,\n disabled: true,\n rotation: interpolate(frame, [0, 120], [0, 180]),\n }),\n ]}\n/>\n\nconst center = [0.5, 0.5] as const;\nconst rotation = frame * 1.5;\n\n<CanvasImage\n src={src}\n width={1280}\n height={720}\n // ❌ Conditional effect is not animateable\n effects={enabled ? [\n radialProgressiveBlur({\n // ❌ Not inline\n center,\n rotation,\n }),\n ] : []}\n/>\n```\n\nRender separate elements if one version should have effects and another should not.\n\n## Making your own component interactive\n\nTo make a custom userland component interactive, use:\n[Make a component interactive](https://www.remotion.dev/docs/studio/make-component-interactive.md)\n\n## Video editing\n\nIf a Remotion component mainly consists of video and audio clips, see Video editing for best practices on how to structure Remotion markup so the clips are interactively editable in the timeline.\n"SKILL.md line diff
--- before +++ after @@ -1,7 +1,7 @@ --- name: remotion-interactivity description: Structure Remotion markup for interactivity -version: 4.0.506 +version: 4.0.530 --- By writing Remotion markup in a specific way, the Remotion Studio is able to recognize the structure of the code and makes it interactive: @@ -13,9 +13,40 @@ If the markup is too complex for the Studio to make it interactive, then the values become grayed out. +## Give every independently editable item its own JSX node + +The Studio edits the JSX source node that created an item. If multiple runtime +items come from the same JSX node, they share one source-editing target. + +For every composition registration, clip, scene, layer or sequence that should +be editable on its own, write a separate JSX node and keep its editable props +on that node. This applies to `<Composition>`, `<Still>`, built-in media +components, `<Sequence>`, `<Series.Sequence>`, `<TransitionSeries.Sequence>` +and custom components. + +For example, author an editable timeline like this: + +```tsx title="Separate source nodes" +<Series> + <Series.Sequence name="Introduction" durationInFrames={90}> + <Introduction /> + </Series.Sequence> + <Series.Sequence name="Demo" durationInFrames={150}> + <Demo /> + </Series.Sequence> +</Series> +``` + +A `.map()` or another programmatic loop would create multiple runtime items +from one JSX source node. That is appropriate for repeated output that is +intentionally controlled as one template, such as visualization bars or +particles. It is not appropriate when the instances need independent IDs or +names, props, metadata, timing, ordering, deletion or duplication in the +Studio. + ## Make an HTML element interactive using `Interactive` -Every HTML and SVG element such as `<div>` can be turned interactive using `Interactive`: +Every HTML and SVG element (except `<Img>`, it already is interactive) such as `<div>` can be turned interactive using `Interactive`: ```tsx title="Interactive elements" <Interactive.Div @@ -44,6 +75,7 @@ ## Give interactive elements a descriptive name Add a `name` prop to elements to make them easily identifyable. +Avoid computed names, hardcode them. ```tsx title="Interactive names" <> @@ -146,6 +178,72 @@ /> ``` +## Keep SVG paths editable with `Interactive.Path` + +Use `<Interactive.Path>` from `remotion` instead of `<path>` inside an SVG to make the path visually editable. + +Install `@remotion/paths` for path interpolation and Studio path keyframes: + +```sh +bunx remotion add @remotion/paths +``` + +If the geometry is meant to be static, put the path string directly in the `d` prop. Do not extract it into a constant. + +```tsx title="Editable static path" +import {Interactive} from 'remotion'; + +<Interactive.Svg width={300} height={300} viewBox="0 0 300 300"> + <Interactive.Path + name="Triangle" + d="M 40 40 L 260 40 L 150 260 Z" + fill="#0b84f3" + /> +</Interactive.Svg> +``` + +### Morph paths using inline `interpolatePaths()` + +Use `interpolatePaths()` from `@remotion/paths` directly in `d`. +It accepts a frame, an input range, an equally sized array of path strings, and options for easing, extrapolation, and posterization. +Keep the output paths, ranges, and options inline, following the same input-range rules as `interpolate()` above. +Do not use `interpolatePath()` API or extract the interpolated result into a variable when the path keyframes should remain editable in Studio. + +```tsx title="Editable path keyframes" +import {interpolatePaths} from '@remotion/paths'; +import {Easing, Interactive, useCurrentFrame} from 'remotion'; + +export const MorphingPath = () => { + const frame = useCurrentFrame(); + + return ( + <Interactive.Svg width={300} height={300} viewBox="0 0 300 300"> + <Interactive.Path + name="Morphing triangle" + d={interpolatePaths( + frame, + [0, 30, 60], + [ + 'M 40 40 L 260 40 L 150 260 Z', + 'M 40 150 L 150 40 L 260 150 Z', + 'M 40 260 L 150 40 L 260 260 Z', + ], + { + easing: Easing.bezier(0.42, 0, 0.58, 1), + extrapolateLeft: 'clamp', + extrapolateRight: 'clamp', + }, + )} + fill="#0b84f3" + /> + </Interactive.Svg> + ); +}; +``` + +Studio can edit the path at the current frame, add or move keyframes, and adjust their easing. +Use `strokeDasharray` and `strokeDashoffset` to evolve paths. + ## Use `scale`, `translate`, `rotate` CSS properties Avoid the `transform` CSS property. @@ -153,7 +251,7 @@ ## Keep composition metadata inline -When scaffolding a composition, keep `width`, `height`, `fps`, `durationInFrames` and `defaultProps` inline and make no type assertions. +When scaffolding a composition, use a JSX string literal for `id`, keep `width`, `height`, `fps`, `durationInFrames` and `defaultProps` inline and make no type assertions. The Props editor can save visual edits back to your code when `defaultProps` is an inline object literal on `<Composition>` or `<Still>`. @@ -243,4 +341,4 @@ ## Video editing -If a Remotion component mainly consists of video and audio clips, see [Video editing](../remotion-markup/video-editing.md) for best practices on how to structure Remotion markup so the clips are interactively editable in the timeline. +If a Remotion component mainly consists of video and audio clips, see Video editing for best practices on how to structure Remotion markup so the clips are interactively editable in the timeline.
Full snapshot data
{
"description": "Structure Remotion markup for interactivity",
"included_files": [
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"name": "remotion-interactivity",
"skill_md_contents": "---\nname: remotion-interactivity\ndescription: Structure Remotion markup for interactivity\nversion: 4.0.530\n---\n\nBy writing Remotion markup in a specific way, the Remotion Studio is able to recognize the structure of the code and makes it interactive:\n\n- Allowing items to be selected by clicking on them\n- Allowing drag+drop, resizing and rotation\n- Editing the CSS styles\n- Making keyframes and easing values editable\n\nIf the markup is too complex for the Studio to make it interactive, then the values become grayed out.\n\n## Give every independently editable item its own JSX node\n\nThe Studio edits the JSX source node that created an item. If multiple runtime\nitems come from the same JSX node, they share one source-editing target.\n\nFor every composition registration, clip, scene, layer or sequence that should\nbe editable on its own, write a separate JSX node and keep its editable props\non that node. This applies to `<Composition>`, `<Still>`, built-in media\ncomponents, `<Sequence>`, `<Series.Sequence>`, `<TransitionSeries.Sequence>`\nand custom components.\n\nFor example, author an editable timeline like this:\n\n```tsx title=\"Separate source nodes\"\n<Series>\n <Series.Sequence name=\"Introduction\" durationInFrames={90}>\n <Introduction />\n </Series.Sequence>\n <Series.Sequence name=\"Demo\" durationInFrames={150}>\n <Demo />\n </Series.Sequence>\n</Series>\n```\n\nA `.map()` or another programmatic loop would create multiple runtime items\nfrom one JSX source node. That is appropriate for repeated output that is\nintentionally controlled as one template, such as visualization bars or\nparticles. It is not appropriate when the instances need independent IDs or\nnames, props, metadata, timing, ordering, deletion or duplication in the\nStudio.\n\n## Make an HTML element interactive using `Interactive`\n\nEvery HTML and SVG element (except `<Img>`, it already is interactive) such as `<div>` can be turned interactive using `Interactive`:\n\n```tsx title=\"Interactive elements\"\n<Interactive.Div\n name=\"Greeting card\"\n style={{fontSize: 80, padding: 24}}\n>\n Hello\n</Interactive.Div>\n```\n\nThis allows styles and keyframes to be set in the Studio. Be sensible, if a component has many elements, the timeline might get messy.\n\n## Prefer inline text\n\nIf text is fixed and only used once, write it directly inside the interactive element instead of extracting it into a constant.\n\n```tsx title=\"Inline text\"\n// 👍 Fixed copy stays editable\n<Interactive.Div name=\"Title\">\n Remotion Best Practices\n</Interactive.Div>\n```\n\nUse a prop or variable only when the text is dynamic or reused.\n\n## Give interactive elements a descriptive name\n\nAdd a `name` prop to elements to make them easily identifyable.\nAvoid computed names, hardcode them.\n\n```tsx title=\"Interactive names\"\n<>\n <Interactive.Div name=\"Hero title\" style={{fontSize: 80}}>\n Launch day\n </Interactive.Div>\n <Img name=\"Avatar\" src=\"https://remotion.media/image.jpeg\" />\n <Video name=\"Background\" src=\"https://remotion.media/video.mp4\" />\n <Sequence name=\"Title\">\n Launch day\n </Sequence>\n</>\n```\n\n## Keep all CSS styles inline\n\nThe best way is to just pass a plain object to `style` - no referring to constants, no object spreading, no math.\n\n```tsx title=\"Interactive example\"\n<Interactive.Div\n style={{\n fontSize: 80,\n color: 'red',\n }}\n>\n Hello World!\n</Interactive.Div>\n```\n\n```tsx title=\"❌ Bad for interactivity\"\nconst baseStyle = useMemo(() => {\n return {\n fontSize: 12 // ❌ Non-inline styles are not supported\n }\n}, []);\n\n<Interactive.Div\n style={{\n ...baseStyle, // ❌ Spreading is not supported\n color: RED, // ❌ Referring to constants is not supported\n scale: frame * 10 // ❌ Math is not supported\n }}\n>\n Hello World!\n</Interactive.Div>\n```\n\n## Animate using `interpolate()`\n\nWrite animations as inline `interpolate()` calls on the property that changes. \nThe output range, easing, extrapolation and `output` property should use hardcoded values.\n\nThe input range may additionally use `durationInFrames`, `fps`, `width` and `height` destructured directly from `useVideoConfig()`. Bare identifiers such as `durationInFrames`, multiplication with a number such as `2 * fps` or `fps * 2`, and subtraction of a number such as `durationInFrames - 1` are supported.\n\n```tsx title=\"Inline values\"\nconst {fps, durationInFrames} = useVideoConfig();\n\n// 👍 Inline values can be standardized and keyframed\n<Interactive.Div\n name=\"Product card\"\n style={{\n color: 'white',\n fontSize: 80,\n scale: interpolate(frame, [0, fps], [0, 1], {\n easing: Easing.spring({damping: 200}),\n output: 'perceptual-scale',\n extrapolateLeft: 'clamp',\n extrapolateRight: 'clamp'\n }),\n rotate: interpolate(frame, [0, 1 * fps], ['0deg', '20deg'], {\n easing: Easing.spring({damping: 200}),\n extrapolateLeft: 'clamp',\n extrapolateRight: 'clamp'\n }),\n translate: interpolate(\n frame,\n [durationInFrames - 30, durationInFrames],\n ['0px 0px', '0px 120px'],\n {\n easing: Easing.spring({damping: 200}),\n output: 'perceptual-scale',\n extrapolateLeft: 'clamp',\n extrapolateRight: 'clamp'\n }\n ),\n }}\n/>\n```\n\n```tsx title=\"❌ Bad interactivity\"\nconst translateY = interpolate(frame, [0, 30], [0, 120]); // ❌ Math should be directly in the markup\n\n<Interactive.Div\n name=\"Product card\"\n style={{\n translate: translateY, // ❌ Only inline interpolate() calls are supported,\n rotate: interpolate(frame, [start, start + 10], [0, Math.PI]), // ❌ Cannot use math with arbitrary variables, cannot use constants\n scale: interpolate(anyVariable, [0, 30], [0, 1]) // ❌ Can only interpret the `frame` variable.\n }}\n/>\n```\n\n## Keep SVG paths editable with `Interactive.Path`\n\nUse `<Interactive.Path>` from `remotion` instead of `<path>` inside an SVG to make the path visually editable.\n\nInstall `@remotion/paths` for path interpolation and Studio path keyframes:\n\n```sh\nbunx remotion add @remotion/paths\n```\n\nIf the geometry is meant to be static, put the path string directly in the `d` prop. Do not extract it into a constant.\n\n```tsx title=\"Editable static path\"\nimport {Interactive} from 'remotion';\n\n<Interactive.Svg width={300} height={300} viewBox=\"0 0 300 300\">\n <Interactive.Path\n name=\"Triangle\"\n d=\"M 40 40 L 260 40 L 150 260 Z\"\n fill=\"#0b84f3\"\n />\n</Interactive.Svg>\n```\n\n### Morph paths using inline `interpolatePaths()`\n\nUse `interpolatePaths()` from `@remotion/paths` directly in `d`. \nIt accepts a frame, an input range, an equally sized array of path strings, and options for easing, extrapolation, and posterization.\nKeep the output paths, ranges, and options inline, following the same input-range rules as `interpolate()` above. \nDo not use `interpolatePath()` API or extract the interpolated result into a variable when the path keyframes should remain editable in Studio.\n\n```tsx title=\"Editable path keyframes\"\nimport {interpolatePaths} from '@remotion/paths';\nimport {Easing, Interactive, useCurrentFrame} from 'remotion';\n\nexport const MorphingPath = () => {\n const frame = useCurrentFrame();\n\n return (\n <Interactive.Svg width={300} height={300} viewBox=\"0 0 300 300\">\n <Interactive.Path\n name=\"Morphing triangle\"\n d={interpolatePaths(\n frame,\n [0, 30, 60],\n [\n 'M 40 40 L 260 40 L 150 260 Z',\n 'M 40 150 L 150 40 L 260 150 Z',\n 'M 40 260 L 150 40 L 260 260 Z',\n ],\n {\n easing: Easing.bezier(0.42, 0, 0.58, 1),\n extrapolateLeft: 'clamp',\n extrapolateRight: 'clamp',\n },\n )}\n fill=\"#0b84f3\"\n />\n </Interactive.Svg>\n );\n};\n```\n\nStudio can edit the path at the current frame, add or move keyframes, and adjust their easing. \nUse `strokeDasharray` and `strokeDashoffset` to evolve paths.\n\n## Use `scale`, `translate`, `rotate` CSS properties\n\nAvoid the `transform` CSS property. \nIf possible, use `scale`, `rotate` and `translate` instead because only they are interactively editable.\n\n## Keep composition metadata inline\n\nWhen scaffolding a composition, use a JSX string literal for `id`, keep `width`, `height`, `fps`, `durationInFrames` and `defaultProps` inline and make no type assertions.\n\nThe Props editor can save visual edits back to your code when `defaultProps` is an inline object literal on `<Composition>` or `<Still>`.\n\n```tsx\n// 👍 Static values are in <Composition>, dynamic values are in calculateMetadata()\nconst calculateMetadata = useMemo(async () => {\n const dimensions = await getDimensions(); // just an example\n return {width: dimensions.width, height: dimensions.height};\n});\n\n<Composition\n id=\"my-video\"\n component={MyComponent}\n durationInFrames={150}\n fps={30}\n calculateMetadata={calculateMetadata}\n defaultProps={{title: 'Hello', color: '#0b84ff'}}\n/>\n```\n\n```tsx title=\"Negative examples\"\nconst defaultProps = {title: 'Hello', color: '#0b84ff'}; // ❌ Don't extract defaultProps, must be inline\nconst calculateMetadata = useMemo(() => {\n // ❌ Unnecessary because no calculation is being done,\n return {durationInFrames: 150, fps: 30, width: 1920, height: 1080};\n});\n\n<Composition\n id=\"my-video\"\n component={MyComponent}\n calculateMetadata={calculateMetadata}\n defaultProps={{\n title: 'Hello',\n } as Props} // ❌ Don't have type assertions, instead type MyComponent correctly\n/>\n```\n\nUse only `calculateMetadata()` for the part of the metadata that is dynamic.\n\n## Effects should be inline too\n\nThe effects array should not be computed. \nThe same rules for setting keyframes as `interpolate()` apply too here: All values should also be hardcoded: Input range, output range, easing, extrapolation, `output` property.\n\n```tsx title=\"Effects\"\n// 👍 Parameters are inline and the array shape is stable\n<CanvasImage\n src={src}\n width={1280}\n height={720}\n effects={[\n radialProgressiveBlur({\n center: [0.5, 0.5],\n width: 1.2,\n height: 0.8,\n start: 0.2,\n disabled: true,\n rotation: interpolate(frame, [0, 120], [0, 180]),\n }),\n ]}\n/>\n\nconst center = [0.5, 0.5] as const;\nconst rotation = frame * 1.5;\n\n<CanvasImage\n src={src}\n width={1280}\n height={720}\n // ❌ Conditional effect is not animateable\n effects={enabled ? [\n radialProgressiveBlur({\n // ❌ Not inline\n center,\n rotation,\n }),\n ] : []}\n/>\n```\n\nRender separate elements if one version should have effects and another should not.\n\n## Making your own component interactive\n\nTo make a custom userland component interactive, use:\n[Make a component interactive](https://www.remotion.dev/docs/studio/make-component-interactive.md)\n\n## Video editing\n\nIf a Remotion component mainly consists of video and audio clips, see Video editing for best practices on how to structure Remotion markup so the clips are interactively editable in the timeline.\n"
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