22 lines
575 B
TypeScript
22 lines
575 B
TypeScript
// How many times does `char` appear in `str`?
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export function countChar(str: string, char: string): number {
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return str.split(char).length - 1
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}
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// Generate a 6 character random ID
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export function randomId(): string {
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return Math.random().toString(36).slice(7)
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}
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// rng(1, 5) #=> result can be 1 2 3 4 or 5
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// rng(2) #=> result can be 1 or 2
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export function rng(min: number, max = 0) {
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if (max === 0) {
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max = min
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min = 1
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}
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min = Math.ceil(min)
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max = Math.floor(max)
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return Math.floor(Math.random() * (max - min + 1)) + min
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} |