| 1 | export function mergeProps(...items) {
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| 2 | const ret = {};
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| 3 | items.forEach(item => {
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| 4 | if (item) {
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| 5 | Object.keys(item).forEach(key => {
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| 6 | if (item[key] !== undefined) {
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| 7 | ret[key] = item[key];
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| 8 | }
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| 9 | });
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| 10 | }
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| 11 | });
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| 12 | return ret;
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| 13 | }
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| 14 | /**
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| 15 | * Merge props and return the first non-undefined value.
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| 16 | * The later has higher priority. e.g. (10, 1, 5) => 5 wins.
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| 17 | * This is useful with legacy props that have been deprecated.
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| 18 | */
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| 19 | export function mergeProp(defaultProp, ...propList) {
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| 20 | for (let i = propList.length - 1; i >= 0; i -= 1) {
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| 21 | if (propList[i] !== undefined) {
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| 22 | return propList[i];
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| 23 | }
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| 24 | }
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| 25 | return defaultProp;
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| 26 | } |
| \ | No newline at end of file |