JavaScript Minifier Class.
Please report bugs on https://github.com/matthiasmullie/minify/issues
| author |
Matthias Mullie minify@mullie.eu |
|---|---|
| author |
Tijs Verkoyen minify@verkoyen.eu |
| copyright |
Copyright (c) 2012, Matthias Mullie. All rights reserved |
| license |
MIT License |
| package |
Application |
__construct() : mixed
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mixed
add(string|string[]data) : static
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string|string[]
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static
addFile(string|string[]data) : static
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string|string[]
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static
cache(\Psr\Cache\CacheItemInterfaceitem) : \Psr\Cache\CacheItemInterface
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\Psr\Cache\CacheItemInterfaceCache item to write the data to
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\Psr\Cache\CacheItemInterfaceCache item with the minifier data
canImportFile(stringpath) : bool
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string
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bool
execute(mixedpath = null) : string
Perform JS optimizations.
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mixed
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stringThe minified data
executeReplacement(string|callablereplacement, arraymatch) : string
If it's a string, just pass it through.
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string|callableReplacement value
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arrayMatch data, in PREG_OFFSET_CAPTURE form
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string
extractRegex() : mixed
The content inside the regex can contain characters that may be confused for JS code: e.g. it could contain whitespace it needs to match & we don't want to strip whitespace in there.
The regex can be pretty simple: we don't have to care about comments, (which also use slashes) because stripComments() will have stripped those already.
This method will replace all string content with simple REGEX# placeholder text, so we've rid all regular expressions from characters that may be misinterpreted. Original regex content will be saved in $this->extracted and after doing all other minifying, we can restore the original content via restoreRegex()
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mixed
extractStrings(mixedchars = ''"', mixedplaceholderPrefix = '') : mixed
This method will replace all string content with simple STRING# placeholder text, so we've rid all strings from characters that may be misinterpreted. Original string content will be saved in $this->extracted and after doing all other minifying, we can restore the original content via restoreStrings().
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mixed
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mixed
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mixed
getKeywordsForRegex(string[]keywords, stringdelimiter = '/') : string[]
This will prepare the given array by escaping all characters.
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string[]
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string
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string[]
getOperatorsForRegex(string[]operators, stringdelimiter = '/') : string[]
This will prepare the given array by escaping all characters.
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string[]
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string
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string[]
gzip(mixedpath = null, mixedlevel = 9) : string
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mixed
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mixed
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stringThe minified & gzipped data
load(stringdata) : string
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stringEither a path to a file or the content itself
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string
minify(mixedpath = null) : string
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mixed
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stringThe minified data
openFileForWriting(stringpath) : resource
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stringThe path to the file
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resourceSpecifier for the target file
propertyNotation(stringcontent) : string
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string
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string
registerPattern(stringpattern, string|callablereplacement = '') : mixed
If $replacement is a string, it must be plain text. Placeholders like $1 or \2 don't work. If you need that functionality, use a callback instead.
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stringPCRE pattern
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string|callableReplacement value for matched pattern
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mixed
replace(stringcontent) : string
The only way to accurately replace these pieces is to traverse the JS one character at a time and try to find whatever starts first.
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stringThe content to replace patterns in
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stringThe (manipulated) content
restoreExtractedData(stringcontent) : string
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string
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string
save(stringcontent, stringpath) : mixed
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stringThe minified data
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stringThe path to save the minified data to
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mixed
shortenBools(stringcontent) : string
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string
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string
str_replace_first(mixedsearch, mixedreplace, mixedsubject) : mixed
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mixed
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mixed
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mixed
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mixed
stripComments() : mixed
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mixed
stripMultilineComments() : mixed
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mixed
stripWhitespace(stringcontent) : string
We won't strip all whitespace, but as much as possible. The thing that we'll preserve are newlines we're unsure about. JavaScript doesn't require statements to be terminated with a semicolon. It will automatically fix missing semicolons with ASI (automatic semi- colon insertion) at the end of line causing errors (without semicolon.)
Because it's sometimes hard to tell if a newline is part of a statement that should be terminated or not, we'll just leave some of them alone.
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stringThe content to strip the whitespace for
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string
writeToFile(resourcehandler, stringcontent, stringpath = '') : mixed
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resourceThe resource to write to
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stringThe content to write
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stringThe path to the file (for exception printing only)
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mixed
data : string[]
| var | |
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array<string|int, string>
patterns : string[]
| var | |
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array<string|int, string>
keywordsReserved : string[]
Will be loaded from /data/js/keywords_reserved.txt.
| see | |
|---|---|
| var | |
array<string|int, string>
keywordsBefore : string[]
E.g.: we shouldn't insert a ; after this else else console.log('this is quite fine')
Will be loaded from /data/js/keywords_before.txt
| var | |
|---|---|
array<string|int, string>
keywordsAfter : string[]
E.g.: we shouldn't insert a ; before this instanceof variable instanceof String
Will be loaded from /data/js/keywords_after.txt
| var | |
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array<string|int, string>
operators : string[]
Will be loaded from /data/js/operators.txt
| see | |
|---|---|
| var | |
array<string|int, string>
operatorsBefore : string[]
Note: Most operators are fine, we've only removed ++ and --. ++ & -- have to be joined with the value they're in-/decrementing.
Will be loaded from /data/js/operators_before.txt
| see | |
|---|---|
| var | |
array<string|int, string>
operatorsAfter : string[]
Note: Most operators are fine, we've only removed ), ], ++, --, ! and ~. There can't be a newline separating ! or ~ and whatever it is negating. ++ & -- have to be joined with the value they're in-/decrementing. ) & ] are "special" in that they have lots or usecases. () for example is used for function calls, for grouping, in if () and for (), ...
Will be loaded from /data/js/operators_after.txt
| see | |
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| var | |
array<string|int, string>