12 lines
356 B
TypeScript
12 lines
356 B
TypeScript
export const hash = (text: string): number => {
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// Return number from [0, 1)
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if (!text) {
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return 0;
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}
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const hashValue = Array.prototype.reduce.call(
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text, // tslint:disable-next-line:no-bitwise
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(value, char) => ((value << 5) - value + (char.charCodeAt(0) as number)) | 0,
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7
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);
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return hashValue / (Math.pow(2, 32) - 2) + 0.5;
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};
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