47 lines
1.2 KiB
JavaScript
47 lines
1.2 KiB
JavaScript
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var tld = {
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normalize(d) { return d; },
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isIp(d) { return this._ipRx.test(d); },
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getDomain(domain) {
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if (domain === "localhost" || this.isIp(domain)) return domain;
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domain = this.normalize(domain);
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var pos = domain.search(this._tldEx);
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if(pos === -1 ) {
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pos = domain.search(this._tldRx);
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if (pos === -1) {
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// TLD not in the public suffix list, fall back to the "one-dot rule"
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pos = domain.lastIndexOf(".");
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if (pos === -1) {
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return "";
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}
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}
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pos = domain.lastIndexOf(".", pos - 1) + 1;
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} else if(domain[pos] == ".") {
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++pos;
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}
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return pos <= 0 ? domain : domain.substring(pos);
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},
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getPublicSuffix(domain) {
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if (this.isIp(domain)) return "";
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domain = this.normalize(domain);
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var pos = domain.search(this._tldEx);
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if(pos < 0) {
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pos = domain.search(this._tldRx);
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if(pos >= 0 && domain[pos] == ".") pos++;
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} else {
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pos = domain.indexOf(".", pos + 1) + 1;
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}
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return pos < 0 ? "" : domain.substring(pos);
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},
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_ipRx: /^(?:0\.|[1-9]\d{0,2}\.){3}(?:0|[1-9]\d{0,2})$|:.*:/i,
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_tldRx: /(?:\.|^)%tld_rx%$/
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,
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_tldEx: /(?:\.|^)%tld_ex%$/
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}
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