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CSSLint: more microoptimizations

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This commit is contained in:
tophf 2017-12-25 20:01:10 +03:00
parent 37f7f1898f
commit afbee9d68f
1 changed files with 39 additions and 75 deletions
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114
vendor-overwrites/csslint/csslint-worker.js
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@ -4817,8 +4817,8 @@ TokenStream.prototype = mix(new TokenStreamBase(), {
var c, var c,
reader = this._reader, reader = this._reader,
token = null, token = null,
startLine = reader.getLine(), startLine = reader._line,
startCol = reader.getCol(); startCol = reader._col;
c = reader.read(); c = reader.read();
@ -4826,6 +4826,18 @@ TokenStream.prototype = mix(new TokenStreamBase(), {
while (c) { while (c) {
switch (c) { switch (c) {
/*
* Potential tokens:
* - S
*/
case ' ':
case '\n':
case '\r':
case '\t':
case '\f':
token = this.whitespaceToken(c, startLine, startCol);
break;
/* /*
* Potential tokens: * Potential tokens:
* - COMMENT * - COMMENT
@ -5001,14 +5013,6 @@ TokenStream.prototype = mix(new TokenStreamBase(), {
token = this.numberToken(c, startLine, startCol); token = this.numberToken(c, startLine, startCol);
} else } else
/*
* Potential tokens:
* - S
*/
if (isWhitespace(c)) {
token = this.whitespaceToken(c, startLine, startCol);
} else
/* /*
* Potential tokens: * Potential tokens:
* - IDENT * - IDENT
@ -5362,27 +5366,12 @@ TokenStream.prototype = mix(new TokenStreamBase(), {
* @method notToken * @method notToken
*/ */
notOrAnyToken: function(first, startLine, startCol) { notOrAnyToken: function(first, startLine, startCol) {
var reader = this._reader, var reader = this._reader;
text = first; var func = reader.readMatch(/not\(|(-(moz|webkit)-)?any\(/iy);
if (func) {
reader.mark(); return this.createToken(func[1] === 'n' || func[1] === 'N' ? Tokens.NOT : Tokens.ANY,
text += reader.readCount(4); first + func, startLine, startCol);
if (text.toLowerCase() === ":not(") {
return this.createToken(Tokens.NOT, text, startLine, startCol);
} }
if (text.toLowerCase() === ":any(") {
return this.createToken(Tokens.ANY, text, startLine, startCol);
}
text += reader.readCount(5);
if (text.toLowerCase() === ":-moz-any(") {
return this.createToken(Tokens.ANY, text, startLine, startCol);
}
text += reader.readCount(3);
if (text.toLowerCase() === ":-webkit-any(") {
return this.createToken(Tokens.ANY, text, startLine, startCol);
}
reader.reset();
return this.charToken(first, startLine, startCol); return this.charToken(first, startLine, startCol);
}, },
@ -5587,18 +5576,9 @@ TokenStream.prototype = mix(new TokenStreamBase(), {
}, },
readWhitespace: function() { readWhitespace: function() {
var reader = this._reader, return this._reader.readMatch(/\s*/);
whitespace = "",
c = reader.peek();
while (isWhitespace(c)) {
reader.read();
whitespace += c;
c = reader.peek();
}
return whitespace;
}, },
readNumber: function(first) { readNumber: function(first) {
const tail = this._reader.readMatch( const tail = this._reader.readMatch(
first === "." ? /\d+(e[+-]?\d+)?/y : first === "." ? /\d+(e[+-]?\d+)?/y :
@ -5685,25 +5665,22 @@ TokenStream.prototype = mix(new TokenStreamBase(), {
readName: function(first) { readName: function(first) {
var reader = this._reader, var reader = this._reader,
ident = first || "", ident = [first || ''];
c;
for (c = reader.peek(); c; c = reader.peek()) { do {
if (c === "\\") { var chunk = reader.readMatch(/[-_\da-zA-Z\u00A0-\uFFFF]*/y);
if (/^[^\r\n\f]$/.test(reader.peek(2))) { ident.push(chunk)
ident += this.readEscape(reader.read(), true); reader.mark();
} else { var c = reader.read();
// Bad escape sequence. if (c === "\\" && /^[^\r\n\f]$/.test(reader.peek())) {
break; ident.push(this.readEscape(c, true));
}
} else if (isNameChar(c)) {
ident += reader.read();
} else { } else {
reader.reset();
break; break;
} }
} } while (true);
return ident; return ident.length > 2 ? ident.join('') : ident.length > 1 ? ident[0] + ident[1] : ident[0];
}, },
readEscape: function(first, unescape) { readEscape: function(first, unescape) {
@ -6715,10 +6692,10 @@ EventTarget.prototype = {
throw new Error("Event object missing 'type' property."); throw new Error("Event object missing 'type' property.");
} }
if (this._listeners[event.type]) { var listeners = this._listeners[event.type];
if (listeners) {
//create a copy of the array and use that so listeners can't chane //create a copy of the array and use that so listeners can't chane
var listeners = this._listeners[event.type].concat(); listeners = listeners.slice();
for (var i=0, len=listeners.length; i < len; i++) { for (var i=0, len=listeners.length; i < len; i++) {
listeners[i].call(this, event); listeners[i].call(this, event);
} }
@ -7280,15 +7257,10 @@ TokenStreamBase.prototype = {
* @method match * @method match
*/ */
match: function(tokenTypes, channel) { match: function(tokenTypes, channel) {
var isArray = Array.isArray(tokenTypes);
//always convert to an array, makes things easier
if (!(tokenTypes instanceof Array)) {
tokenTypes = [tokenTypes];
}
do { do {
var tt = this.get(channel); var tt = this.get(channel);
if (tokenTypes.includes(tt)) { if (isArray ? tokenTypes.includes(tt) : tt === tokenTypes) {
return true; return true;
} }
} while (tt === this._tokenData.COMMENT && this.LA(0) !== 0); } while (tt === this._tokenData.COMMENT && this.LA(0) !== 0);
@ -7308,17 +7280,9 @@ TokenStreamBase.prototype = {
* @method mustMatch * @method mustMatch
*/ */
mustMatch: function(tokenTypes) { mustMatch: function(tokenTypes) {
var token;
//always convert to an array, makes things easier
if (!(tokenTypes instanceof Array)) {
tokenTypes = [tokenTypes];
}
if (!this.match(tokenTypes)) { if (!this.match(tokenTypes)) {
token = this.LT(1); var token = this.LT(1);
const info = this._tokenData[tokenTypes[0]]; const info = this._tokenData[Array.isArray(tokenTypes) ? tokenTypes[0] : tokenTypes];
throw new SyntaxError("Expected " + (info.text || info.name) + throw new SyntaxError("Expected " + (info.text || info.name) +
" at line " + token.startLine + ", col " + token.startCol + ".", token.startLine, token.startCol); " at line " + token.startLine + ", col " + token.startCol + ".", token.startLine, token.startCol);
} }