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daynin wants to merge 2 commits into from
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lib: remove duplicated code #19076

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e997db9
internal/url: refactor "escapeParam" function to make it common
daynin Mar 1, 2018
43b60af
url: remove redundant function
daynin Mar 1, 2018
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url: remove redundant function
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@daynin
daynin committed Mar 3, 2018
commit 43b60aff0305ecdc69fd054d4e8d828ee4862c8d
3 changes: 1 addition & 2 deletions lib/internal/url.js
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Original file line number Diff line number Diff line change
Expand Up @@ -878,8 +878,7 @@ function serializeParams(array) {

const firstEncodedParam = encodeStr(array[0], noEscape, paramHexTable);
const firstEncodedValue = encodeStr(array[1], noEscape, paramHexTable);
let output =
`${firstEncodedParam}=${firstEncodedValue}`;
let output = `${firstEncodedParam}=${firstEncodedValue}`;

for (var i = 2; i < len; i += 2) {
const encodedParam = encodeStr(array[i], noEscape, paramHexTable);
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94 changes: 20 additions & 74 deletions lib/url.js
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Expand Up @@ -36,7 +36,8 @@ const {
URLSearchParams,
domainToASCII,
domainToUnicode,
formatSymbol
formatSymbol,
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@starkwang starkwang Mar 2, 2018

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Unnecessary comma

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@daynin daynin Mar 2, 2018

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@starkwang I'll fix it

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@apapirovski apapirovski Mar 2, 2018

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Trailing commas are fine and if we didn't have so much code that lacked them, we would probably even have a lint rule to enforce them. Anything that cleans up git diffs in the long-term is a positive.

encodeStr,
} = require('internal/url');

// Original url.parse() API
Expand Down Expand Up @@ -504,10 +505,27 @@ function urlFormat(urlObject, options) {
return urlObject.format();
}

// These characters do not need escaping:
// ! - . _ ~
// ' ( ) * :
// digits
// alpha (uppercase)
// alpha (lowercase)
const noEscapeAuth = [
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0x00 - 0x0F
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0x10 - 0x1F
0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, // 0x20 - 0x2F
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, // 0x30 - 0x3F
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x40 - 0x4F
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, // 0x50 - 0x5F
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x60 - 0x6F
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 0 // 0x70 - 0x7F
];

Url.prototype.format = function format() {
var auth = this.auth || '';
if (auth) {
auth = encodeAuth(auth);
auth = encodeStr(auth, noEscapeAuth, hexTable);
auth += '@';
}

Expand Down Expand Up @@ -890,78 +908,6 @@ Url.prototype.parseHost = function parseHost() {
if (host) this.hostname = host;
};

// These characters do not need escaping:
// ! - . _ ~
// ' ( ) * :
// digits
// alpha (uppercase)
// alpha (lowercase)
const noEscapeAuth = [
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0x00 - 0x0F
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0x10 - 0x1F
0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, // 0x20 - 0x2F
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, // 0x30 - 0x3F
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x40 - 0x4F
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, // 0x50 - 0x5F
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x60 - 0x6F
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 0 // 0x70 - 0x7F
];

function encodeAuth(str) {
// faster encodeURIComponent alternative for encoding auth uri components
var out = '';
var lastPos = 0;
for (var i = 0; i < str.length; ++i) {
var c = str.charCodeAt(i);

// ASCII
if (c < 0x80) {
if (noEscapeAuth[c] === 1)
continue;
if (lastPos < i)
out += str.slice(lastPos, i);
lastPos = i + 1;
out += hexTable[c];
continue;
}

if (lastPos < i)
out += str.slice(lastPos, i);

// Multi-byte characters ...
if (c < 0x800) {
lastPos = i + 1;
out += hexTable[0xC0 | (c >> 6)] + hexTable[0x80 | (c & 0x3F)];
continue;
}
if (c < 0xD800 || c >= 0xE000) {
lastPos = i + 1;
out += hexTable[0xE0 | (c >> 12)] +
hexTable[0x80 | ((c >> 6) & 0x3F)] +
hexTable[0x80 | (c & 0x3F)];
continue;
}
// Surrogate pair
++i;
var c2;
if (i < str.length)
c2 = str.charCodeAt(i) & 0x3FF;
else
c2 = 0;
lastPos = i + 1;
c = 0x10000 + (((c & 0x3FF) << 10) | c2);
out += hexTable[0xF0 | (c >> 18)] +
hexTable[0x80 | ((c >> 12) & 0x3F)] +
hexTable[0x80 | ((c >> 6) & 0x3F)] +
hexTable[0x80 | (c & 0x3F)];
}
if (lastPos === 0)
return str;
if (lastPos < str.length)
return out + str.slice(lastPos);
return out;
}

module.exports = {
// Original API
Url,
Expand Down