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18 lines
504 B
18 lines
504 B
export function checkedIndexOf<T>(o: T | number, arr: T[], type: string = "object"): number { |
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let idx: number; |
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if (typeof o === "number") { |
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idx = o; |
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} else if (typeof (o as any).id === "number") { |
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idx = (o as any).id; |
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} else { |
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idx = arr.indexOf(o); |
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} |
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if (idx < 0 || idx > arr.length) { |
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throw new Error(`Invalid ${type} specified: ${o}`); |
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} |
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return idx; |
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} |
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export function getRandomId() { |
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return Math.floor(Math.random() * 1000000000); |
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}
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