Declutterfier! Saves Data!

--- a PPN by Garber Painting Akron. With Image Size Reduction included!

URL: http://github.com/WebKit/JetStream/pull/270.patch

postfixIncDec = false; + yield ({ + type: "TemplateMiddle", + value: match[0] + }); + } else { + stack.pop(); + postfixIncDec = true; + yield ({ + type: "TemplateTail", + value: match[0], + closed: match[1] === "`" + }); + } + continue; + } + break; + case "InterpolationInJSX": + if (braces.length === mode.nesting) { + stack.pop(); + lastIndex += 1; + lastSignificantToken = "}"; + yield ({ + type: "JSXPunctuator", + value: "}" + }); + continue; + } + } + postfixIncDec = braces.pop(); + nextLastSignificantToken = postfixIncDec ? "?ExpressionBraceEnd" : "}"; + break; + case "]": + postfixIncDec = true; + break; + case "++": + case "--": + nextLastSignificantToken = postfixIncDec ? "?PostfixIncDec" : "?UnaryIncDec"; + break; + case "<": + if (jsx && (TokensPrecedingExpression.test(lastSignificantToken) || KeywordsWithExpressionAfter.test(lastSignificantToken))) { + stack.push({tag: "JSXTag"}); + lastIndex += 1; + lastSignificantToken = "<"; + yield ({ + type: "JSXPunctuator", + value: punctuator + }); + continue; + } + postfixIncDec = false; + break; + default: + postfixIncDec = false; + } + lastIndex = nextLastIndex; + lastSignificantToken = nextLastSignificantToken; + yield ({ + type: "Punctuator", + value: punctuator + }); + continue; + } + Identifier.lastIndex = lastIndex; + if (match = Identifier.exec(input)) { + lastIndex = Identifier.lastIndex; + nextLastSignificantToken = match[0]; + switch (match[0]) { + case "for": + case "if": + case "while": + case "with": + if (lastSignificantToken !== "." && lastSignificantToken !== "?.") { + nextLastSignificantToken = "?NonExpressionParenKeyword"; + } + } + lastSignificantToken = nextLastSignificantToken; + postfixIncDec = !KeywordsWithExpressionAfter.test(match[0]); + yield ({ + type: match[1] === "#" ? "PrivateIdentifier" : "IdentifierName", + value: match[0] + }); + continue; + } + StringLiteral.lastIndex = lastIndex; + if (match = StringLiteral.exec(input)) { + lastIndex = StringLiteral.lastIndex; + lastSignificantToken = match[0]; + postfixIncDec = true; + yield ({ + type: "StringLiteral", + value: match[0], + closed: match[2] !== void 0 + }); + continue; + } + NumericLiteral.lastIndex = lastIndex; + if (match = NumericLiteral.exec(input)) { + lastIndex = NumericLiteral.lastIndex; + lastSignificantToken = match[0]; + postfixIncDec = true; + yield ({ + type: "NumericLiteral", + value: match[0] + }); + continue; + } + Template.lastIndex = lastIndex; + if (match = Template.exec(input)) { + lastIndex = Template.lastIndex; + lastSignificantToken = match[0]; + if (match[1] === "${") { + lastSignificantToken = "?InterpolationInTemplate"; + stack.push({ + tag: "InterpolationInTemplate", + nesting: braces.length + }); + postfixIncDec = false; + yield ({ + type: "TemplateHead", + value: match[0] + }); + } else { + postfixIncDec = true; + yield ({ + type: "NoSubstitutionTemplate", + value: match[0], + closed: match[1] === "`" + }); + } + continue; + } + break; + case "JSXTag": + case "JSXTagEnd": + JSXPunctuator.lastIndex = lastIndex; + if (match = JSXPunctuator.exec(input)) { + lastIndex = JSXPunctuator.lastIndex; + nextLastSignificantToken = match[0]; + switch (match[0]) { + case "<": + stack.push({tag: "JSXTag"}); + break; + case ">": + stack.pop(); + if (lastSignificantToken === "/" || mode.tag === "JSXTagEnd") { + nextLastSignificantToken = "?JSX"; + postfixIncDec = true; + } else { + stack.push({tag: "JSXChildren"}); + } + break; + case "{": + stack.push({ + tag: "InterpolationInJSX", + nesting: braces.length + }); + nextLastSignificantToken = "?InterpolationInJSX"; + postfixIncDec = false; + break; + case "/": + if (lastSignificantToken === "<") { + stack.pop(); + if (stack[stack.length - 1].tag === "JSXChildren") { + stack.pop(); + } + stack.push({tag: "JSXTagEnd"}); + } + } + lastSignificantToken = nextLastSignificantToken; + yield ({ + type: "JSXPunctuator", + value: match[0] + }); + continue; + } + JSXIdentifier.lastIndex = lastIndex; + if (match = JSXIdentifier.exec(input)) { + lastIndex = JSXIdentifier.lastIndex; + lastSignificantToken = match[0]; + yield ({ + type: "JSXIdentifier", + value: match[0] + }); + continue; + } + JSXString.lastIndex = lastIndex; + if (match = JSXString.exec(input)) { + lastIndex = JSXString.lastIndex; + lastSignificantToken = match[0]; + yield ({ + type: "JSXString", + value: match[0], + closed: match[2] !== void 0 + }); + continue; + } + break; + case "JSXChildren": + JSXText.lastIndex = lastIndex; + if (match = JSXText.exec(input)) { + lastIndex = JSXText.lastIndex; + lastSignificantToken = match[0]; + yield ({ + type: "JSXText", + value: match[0] + }); + continue; + } + switch (input[lastIndex]) { + case "<": + stack.push({tag: "JSXTag"}); + lastIndex++; + lastSignificantToken = "<"; + yield ({ + type: "JSXPunctuator", + value: "<" + }); + continue; + case "{": + stack.push({ + tag: "InterpolationInJSX", + nesting: braces.length + }); + lastIndex++; + lastSignificantToken = "?InterpolationInJSX"; + postfixIncDec = false; + yield ({ + type: "JSXPunctuator", + value: "{" + }); + continue; + } + } + WhiteSpace.lastIndex = lastIndex; + if (match = WhiteSpace.exec(input)) { + lastIndex = WhiteSpace.lastIndex; + yield ({ + type: "WhiteSpace", + value: match[0] + }); + continue; + } + LineTerminatorSequence.lastIndex = lastIndex; + if (match = LineTerminatorSequence.exec(input)) { + lastIndex = LineTerminatorSequence.lastIndex; + postfixIncDec = false; + if (KeywordsWithNoLineTerminatorAfter.test(lastSignificantToken)) { + lastSignificantToken = "?NoLineTerminatorHere"; + } + yield ({ + type: "LineTerminatorSequence", + value: match[0] + }); + continue; + } + MultiLineComment.lastIndex = lastIndex; + if (match = MultiLineComment.exec(input)) { + lastIndex = MultiLineComment.lastIndex; + if (Newline.test(match[0])) { + postfixIncDec = false; + if (KeywordsWithNoLineTerminatorAfter.test(lastSignificantToken)) { + lastSignificantToken = "?NoLineTerminatorHere"; + } + } + yield ({ + type: "MultiLineComment", + value: match[0], + closed: match[1] !== void 0 + }); + continue; + } + SingleLineComment.lastIndex = lastIndex; + if (match = SingleLineComment.exec(input)) { + lastIndex = SingleLineComment.lastIndex; + postfixIncDec = false; + yield ({ + type: "SingleLineComment", + value: match[0] + }); + continue; + } + firstCodePoint = String.fromCodePoint(input.codePointAt(lastIndex)); + lastIndex += firstCodePoint.length; + lastSignificantToken = firstCodePoint; + postfixIncDec = false; + yield ({ + type: mode.tag.startsWith("JSX") ? "JSXInvalid" : "Invalid", + value: firstCodePoint + }); + } + }; +}; + +const jsxSourceCode = ` + +function Comment(props) { + return ( +

+ +

+ {props.author.name} +

+ {props.text} +

+ {formatDate(props.date)} +

+ ); +} + +`; + +const jsTokens = jsTokensWrapperFunction(); + +class Benchmark { + jsTokensSourceCode; + + async init() { + this.jsTokensSourceCode = await JetStream.getString(JetStream.preload.US_DATA); + } + + runIteration() { + this.tokenCount = 0; + + for (var i = 0; i < 25; i++) { + for (const token of jsTokens(this.jsTokensSourceCode)) + this.tokenCount++; + } + + for (var i = 0; i < 250; i++) { + for (const token of jsTokens(jsxSourceCode, { jsx: true })) + this.tokenCount++; + } + } + + validate(iterations) { + if (this.tokenCount !== 113975) + throw new Error(`this.tokenCount of ${this.tokenCount} is invalid!`); + } +} diff --git a/generators/js-tokens.js b/generators/js-tokens.js index 8385109c..63a53f66 100644 --- a/generators/js-tokens.js +++ b/generators/js-tokens.js @@ -410,7 +410,6 @@ function jsTokensWrapperFunction() { }; }; -const jsTokensSourceCode = jsTokensWrapperFunction.toString(); const jsxSourceCode = ` function Comment(props) { @@ -437,11 +436,17 @@ function Comment(props) { const jsTokens = jsTokensWrapperFunction(); class Benchmark { + jsTokensSourceCode; + + async init() { + this.jsTokensSourceCode = await JetStream.getString(JetStream.preload.US_DATA); + } + runIteration() { this.tokenCount = 0; for (var i = 0; i < 25; i++) { - for (const token of jsTokens(jsTokensSourceCode)) + for (const token of jsTokens(this.jsTokensSourceCode)) this.tokenCount++; } From 5a6d7f4df8c051cfddb5e564f389f682b6d90e5f Mon Sep 17 00:00:00 2001 From: Camillo Bruni Date: Thu, 29 Jan 2026 14:18:13 +0100 Subject: [PATCH 2/2] fix --- JetStreamDriver.js | 2 +- generators/js-tokens.js | 7 ++++--- 2 files changed, 5 insertions(+), 4 deletions(-) diff --git a/JetStreamDriver.js b/JetStreamDriver.js index 15f255d6..94c7e65b 100644 --- a/JetStreamDriver.js +++ b/JetStreamDriver.js @@ -2427,7 +2427,7 @@ let BENCHMARKS = [ ], tags: ["default", "js", "Generators"], }), - new DefaultBenchmark({ + new AsyncBenchmark({ name: "js-tokens", files: [ "./generators/js-tokens.js", diff --git a/generators/js-tokens.js b/generators/js-tokens.js index 63a53f66..51674306 100644 --- a/generators/js-tokens.js +++ b/generators/js-tokens.js @@ -439,7 +439,7 @@ class Benchmark { jsTokensSourceCode; async init() { - this.jsTokensSourceCode = await JetStream.getString(JetStream.preload.US_DATA); + this.jsTokensSourceCode = await JetStream.getString(JetStream.preload.JS_SOURCE); } runIteration() { @@ -457,7 +457,8 @@ class Benchmark { } validate(iterations) { - if (this.tokenCount !== 113975) - throw new Error(`this.tokenCount of ${this.tokenCount} is invalid!`); + const EXPECTED_TOKEN_COUNT = 121300; + if (this.tokenCount !== EXPECTED_TOKEN_COUNT) + throw new Error(`Expected this.tokenCount of ${EXPECTED_TOKEN_COUNT} but got ${this.tokenCount}`); } } pFad - Phonifier reborn

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