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feat: Carry over node isIPv4/isIPv6 performance improvements #8271

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merged 2 commits into from
Jan 20, 2024
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feat: Carry over node isIPv4/isIPv6 performance improvements #8271

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6ec96f8
feat: Carry over node isIPv4/isIPv6 performance improvements
maxmilton Jan 19, 2024
4105d71
Merge branch 'main' into feat/node-is-ip-performance
maxmilton Jan 19, 2024
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20 changes: 10 additions & 10 deletions src/js/node/net.js
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Original file line number Diff line number Diff line change
Expand Up @@ -23,8 +23,8 @@ const { Duplex } = require("node:stream");
const EventEmitter = require("node:events");

// IPv4 Segment
const v4Seg = "(?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])";
const v4Str = `(${v4Seg}[.]){3}${v4Seg}`;
const v4Seg = "(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])";
const v4Str = `(?:${v4Seg}\\.){3}${v4Seg}`;
var IPv4Reg;

// IPv6 Segment
Expand All @@ -37,16 +37,16 @@ function isIPv4(s) {

function isIPv6(s) {
return (IPv6Reg ??= new RegExp(
"^(" +
"^(?:" +
`(?:${v6Seg}:){7}(?:${v6Seg}|:)|` +
`(?:${v6Seg}:){6}(?:${v4Str}|:${v6Seg}|:)|` +
`(?:${v6Seg}:){5}(?::${v4Str}|(:${v6Seg}){1,2}|:)|` +
`(?:${v6Seg}:){4}(?:(:${v6Seg}){0,1}:${v4Str}|(:${v6Seg}){1,3}|:)|` +
`(?:${v6Seg}:){3}(?:(:${v6Seg}){0,2}:${v4Str}|(:${v6Seg}){1,4}|:)|` +
`(?:${v6Seg}:){2}(?:(:${v6Seg}){0,3}:${v4Str}|(:${v6Seg}){1,5}|:)|` +
`(?:${v6Seg}:){1}(?:(:${v6Seg}){0,4}:${v4Str}|(:${v6Seg}){1,6}|:)|` +
`(?::((?::${v6Seg}){0,5}:${v4Str}|(?::${v6Seg}){1,7}|:))` +
")(%[0-9a-zA-Z-.:]{1,})?$",
`(?:${v6Seg}:){5}(?::${v4Str}|(?::${v6Seg}){1,2}|:)|` +
`(?:${v6Seg}:){4}(?:(?::${v6Seg}){0,1}:${v4Str}|(?::${v6Seg}){1,3}|:)|` +
`(?:${v6Seg}:){3}(?:(?::${v6Seg}){0,2}:${v4Str}|(?::${v6Seg}){1,4}|:)|` +
`(?:${v6Seg}:){2}(?:(?::${v6Seg}){0,3}:${v4Str}|(?::${v6Seg}){1,5}|:)|` +
`(?:${v6Seg}:){1}(?:(?::${v6Seg}){0,4}:${v4Str}|(?::${v6Seg}){1,6}|:)|` +
`(?::(?:(?::${v6Seg}){0,5}:${v4Str}|(?::${v6Seg}){1,7}|:))` +
")(?:%[0-9a-zA-Z-.:]{1,})?$",
)).test(s);
}

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20 changes: 10 additions & 10 deletions src/node-fallbacks/net.js
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Original file line number Diff line number Diff line change
Expand Up @@ -20,23 +20,23 @@
// USE OR OTHER DEALINGS IN THE SOFTWARE.

// IPv4 Segment
const v4Seg = "(?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])";
const v4Str = `(${v4Seg}[.]){3}${v4Seg}`;
const v4Seg = "(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])";
const v4Str = `(?:${v4Seg}\\.){3}${v4Seg}`;
const IPv4Reg = new RegExp(`^${v4Str}$`);

// IPv6 Segment
const v6Seg = "(?:[0-9a-fA-F]{1,4})";
const IPv6Reg = new RegExp(
"^(" +
"^(?:" +
`(?:${v6Seg}:){7}(?:${v6Seg}|:)|` +
`(?:${v6Seg}:){6}(?:${v4Str}|:${v6Seg}|:)|` +
`(?:${v6Seg}:){5}(?::${v4Str}|(:${v6Seg}){1,2}|:)|` +
`(?:${v6Seg}:){4}(?:(:${v6Seg}){0,1}:${v4Str}|(:${v6Seg}){1,3}|:)|` +
`(?:${v6Seg}:){3}(?:(:${v6Seg}){0,2}:${v4Str}|(:${v6Seg}){1,4}|:)|` +
`(?:${v6Seg}:){2}(?:(:${v6Seg}){0,3}:${v4Str}|(:${v6Seg}){1,5}|:)|` +
`(?:${v6Seg}:){1}(?:(:${v6Seg}){0,4}:${v4Str}|(:${v6Seg}){1,6}|:)|` +
`(?::((?::${v6Seg}){0,5}:${v4Str}|(?::${v6Seg}){1,7}|:))` +
")(%[0-9a-zA-Z-.:]{1,})?$",
`(?:${v6Seg}:){5}(?::${v4Str}|(?::${v6Seg}){1,2}|:)|` +
`(?:${v6Seg}:){4}(?:(?::${v6Seg}){0,1}:${v4Str}|(?::${v6Seg}){1,3}|:)|` +
`(?:${v6Seg}:){3}(?:(?::${v6Seg}){0,2}:${v4Str}|(?::${v6Seg}){1,4}|:)|` +
`(?:${v6Seg}:){2}(?:(?::${v6Seg}){0,3}:${v4Str}|(?::${v6Seg}){1,5}|:)|` +
`(?:${v6Seg}:){1}(?:(?::${v6Seg}){0,4}:${v4Str}|(?::${v6Seg}){1,6}|:)|` +
`(?::(?:(?::${v6Seg}){0,5}:${v4Str}|(?::${v6Seg}){1,7}|:))` +
")(?:%[0-9a-zA-Z-.:]{1,})?$",
);

export function isIPv4(s) {
Expand Down
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