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Allow display to accept multiple arguments #192

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Allow display to accept multiple arguments #192

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c6582c7
Update define.ts
nxrix Sep 19, 2026
83fb325
Merge branch 'observablehq:main' into patch-2
nxrix Sep 27, 2026
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6 changes: 3 additions & 3 deletions src/runtime/define.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -54,13 +54,13 @@ export function define(
inputs.filter((i) => i !== "display" && i !== "view"),
() => {
const version = v._version; // capture version on input change
return (value: unknown) => {
return (...values: unknown[]) => {
if (version < displayVersion) throw new Error("stale display");
else if (state.variables[0] !== v) throw new Error("stale display");
else if (version > displayVersion) clear(state);
displayVersion = version;
display(state, value, output, displayMode);
return value;
for (const value of values) display(state, value, output, displayMode);
return values.length === 1 ? values[0] : values;
};
}
);
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