Mirror: The highly customizable and versatile GraphQL client with which you add on features like normalized caching as you grow.
fix(preact): Check operations for key difference only (#3266)
authored by
Phil Pluckthun
and committed by
GitHub
3526e2a4
3d6b0c83
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.changeset/yellow-shrimps-admire.md
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.changeset/yellow-shrimps-admire.md
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packages/preact-urql/src/hooks/useSource.ts
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packages/preact-urql/src/hooks/useSource.ts
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let currentInit = false;
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// Two operations are considered equal if they have the same key
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const areOperationsEqual = (
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a: { key: number } | undefined,
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b: { key: number } | undefined
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) => {
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return a === b || !!(a && b && a.key === b.key);
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};
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const isShallowDifferent = (a: any, b: any) => {
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if (typeof a != 'object' || typeof b != 'object') return a !== b;
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for (const x in a) if (!(x in b)) return true;
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for (const x in b) if (a[x] !== b[x]) return true;
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for (const key in b) {
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if (
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key === 'operation'
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? !areOperationsEqual(a[key], b[key])
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: a[key] !== b[key]
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) {
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return true;
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}
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}
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return false;
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};
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