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31 lines
964 B
TypeScript
31 lines
964 B
TypeScript
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/**
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* A human-friendly instance url encoder/decoder.
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*
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* @warning Will fail if the url path contains "%3A"!
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*/
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export class InstanceEncoder {
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static encode(url: URL): string {
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let str = url.toString()
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// Check if it is possible to encode the url
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if(str.includes("%3A")) {
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throw new Error("URL is impossible to encode")
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}
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// Replace all : with %3A
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str = str.replaceAll(":", "%3A")
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// Replace the :// part with :
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str = str.replace(/^(.+?)%3A[/][/]/, "$1:")
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// Replace all other slashes with :
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str = str.replaceAll("/", ":")
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return str
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}
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static decode(str: string): URL {
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// Replace the first : with ://
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str = str.replace(/^(.+?):/, "$1%3A//")
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// Replace all other : with /
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str = str.replaceAll(":", "/")
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// Restore percent-encoded :
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str = str.replaceAll("%3A", ":")
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return new URL(str)
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}
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}
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