How to compress js code in vscode-VSCode-php.cn

How to compress js code in vscode

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Release： 2019-12-12 14:47:33

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How to compress js code in vscode

vscode压缩js代码的方法：

1、在拓展商店里搜索“minify”，安装，安装成功后点重新加载

2、使用：F1运行文件缩小器Minify压缩js代码。

使用Minify的方法介绍：

缩小您的js，css和html文件以节省传输带宽。直接调用每个缩小器，以允许传递设置：

JS： uglify -js v2.7.4

CSS： clean-css v3.4.21

HTML： html-minifier v3.2.2

使用F1 运行文件缩小器Minify。

包含Javascript和CSS文件的文件夹可以{dirname}.min.[css|js]使用F1 缩小为一个文件Minify Directory。可以为Javascript和CSS减少一个目录是可以接受的。

（可选）在已存在匹配的缩小文件（和/或目录）时，在保存时运行minify。启用您的用户或工作空间设置。设置默认值如下所示：

"minify.minifyExistingOnSave": false,"minify.js": {
	"mangle": true,
	"compress": {
		"sequences": true,
		"properties": true,
		"dead_code": true,
		"drop_debugger": true,
		"unsafe": false,
		"unsafe_comps": false,
		"conditionals": true,
		"comparisons": true,
		"evaluate": true,
		"booleans": true,
		"loops": true,
		"unused": true,
		"hoist_funs": true,
		"keep_fargs": true,
		"keep_fnames": false,
		"hoist_vars": false,
		"if_return": true,
		"join_vars": true,
		"collapse_vars": false,
		"reduce_vars": false,
		"side_effects": true,
		"pure_getters": false,
		"pure_funcs": null,
		"negate_iife": false,
		"drop_console": false,
		"passes": 1,
		"global_defs": {}
	},
	"output": {
		"ascii_only": false,
		"inline_script": false,
		"max_line_len": 32000,
		"braces": false,
		"semicolons": true,
		"comments": false,
		"shebang": true,
		"preamble": null,
		"quote_style": "best"
	}},"minify.css": {
	"advanced": true,
	"aggressiveMerging": true,
	"compatibility": "*",
	"inliner": {},
	"keepBreaks": false,
	"keepSpecialComments": "*",
	"mediaMerging": true,
	"processImport": true,
	"processImportFrom": ["all"],
	"rebase": true,
	"restructuring": true,
	"root": "${workspaceRoot}",
	"roundingPrecision": 2,
	"semanticMerging": false,
	"shorthandCompacting": true},"minify.html": {
	"caseSensitive": false,
	"collapseBooleanAttributes": true,
	"collapseWhitespace": true,
	"conservativeCollapse": false,
	"customAttrAssign": [],
	"customAttrCollapse": "",
	"customAttrSurround": [],
	"customEventAttributes": [ "^on[a-z]{3,}$" ],
	"decodeEntities": false,
	"html5": true,
	"ignoreCustomComments": [ "^!" ],
	"ignoreCustomFragments": ["<%[\\s\\S]*?%>", "<\\?[\\s\\S]*?\\?>"],
	"includeAutoGeneratedTags": true,
	"keepClosingSlash": false,
	"maxLineLength": false,
	"minifyCSS": true, //uses minify.css settings if true
	"minifyJS": true, //uses minify.js settings if true
	"minifyURLs": false,
	"preserveLineBreaks": false,
	"preventAttributesEscaping": false,
	"processConditionalComments": false,
	"processScripts": [],
	"quoteCharacter": "\"",
	"removeAttributeQuotes": false,
	"removeComments": false,
	"removeEmptyAttributes": false,
	"removeEmptyElements": false,
	"removeOptionalTags": false,
	"removeRedundantAttributes": false,
	"removeScriptTypeAttributes": false,
	"removeStyleLinkTypeAttributes": false,
	"sortAttributes": false,
	"sortClassName": false,
	"useShortDoctype": false}

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minifiy.css.root接受“ ${workspaceRoot}/ some / path”定义内部@import绝对根。

由于html-minifier还采用了clean-css和uglify-js，设置minifyJS或minifyCSS以true意志嵌入你为那些minifiers自动提供的设置。如果要使用一些其他方法，可以提供自己的设置作为对象。

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