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22 lines
545 B
TypeScript
22 lines
545 B
TypeScript
/**
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* Returns the input array as a comma separated string.
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*
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* Does several things that Array.toString() doesn't do
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* - Adds brackets around the array
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* - Adds quotation marks around strings
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*/
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export function arrayToString<T>(a: T[]): string {
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const vals: any[] = [];
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for (let i = 0; i < a.length; ++i) {
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let elem: any = a[i];
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if (Array.isArray(elem)) {
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elem = arrayToString(elem);
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} else if (typeof elem === "string") {
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elem = `"${elem}"`;
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}
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vals.push(elem);
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}
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return `[${vals.join(", ")}]`;
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}
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