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[英]Clean-Css task gives error in gulpfile : cannot read property 'on'
[英]Angular 5: ng build - -prod fails due to clean-css: Cannot read property 'line' of undefined
我的應用程序在Angular 5.2.6下。
ng serve
一切正常,但在運行ng build --prod
時,需要一段時間,然后才會失敗。 這些錯誤似乎與clean-css操作有關。
錯誤跟蹤:
92% chunk asset optimization/home/khalidvm/Desktop/Workspace/Front/frontend_v2/node_modules/clean-css/lib/reader/input-source-map-tracker.js:37
if (originalPosition.line === null && line > 1 && selectorFallbacks > 0) {
^
TypeError: Cannot read property 'line' of undefined
at originalPositionFor (/home/khalidvm/Desktop/Workspace/Front/frontend_v2/node_modules/clean-css/lib/reader/input-source-map-tracker.js:37:23)
at originalMetadata (/home/khalidvm/Desktop/Workspace/Front/frontend_v2/node_modules/clean-css/lib/tokenizer/tokenize.js:486:43)
at intoTokens (/home/khalidvm/Desktop/Workspace/Front/frontend_v2/node_modules/clean-css/lib/tokenizer/tokenize.js:240:75)
at tokenize (/home/khalidvm/Desktop/Workspace/Front/frontend_v2/node_modules/clean-css/lib/tokenizer/tokenize.js:74:10)
at fromStyles (/home/khalidvm/Desktop/Workspace/Front/frontend_v2/node_modules/clean-css/lib/reader/read-sources.js:147:12)
at fromString (/home/khalidvm/Desktop/Workspace/Front/frontend_v2/node_modules/clean-css/lib/reader/read-sources.js:48:10)
at doReadSources (/home/khalidvm/Desktop/Workspace/Front/frontend_v2/node_modules/clean-css/lib/reader/read-sources.js:33:12)
at readSources (/home/khalidvm/Desktop/Workspace/Front/frontend_v2/node_modules/clean-css/lib/reader/read-sources.js:24:10)
at /home/khalidvm/Desktop/Workspace/Front/frontend_v2/node_modules/clean-css/lib/clean.js:99:12
at _combinedTickCallback (internal/process/next_tick.js:95:7)
at process._tickCallback (internal/process/next_tick.js:161:9)
清理 css 時似乎失敗了。
這是我的package.json :
{
"name": "test",
"version": "0.0.0",
"license": "MIT",
"scripts": {
"ng": "ng",
"start": "ng serve",
"build": "ng build",
"karma": "ng test",
"test": "jest",
"test:watch": "jest --watch",
"test:ci": "jest --runInBand",
"lint": "ng lint",
"e2e": "ng e2e"
},
"private": true,
"dependencies": {
"@angular/animations": "^5.2.6",
"@angular/common": "^5.2.6",
"@angular/compiler": "^5.2.6",
"@angular/core": "^5.2.6",
"@angular/forms": "^5.2.6",
"@angular/http": "^5.2.6",
"@angular/platform-browser": "^5.2.6",
"@angular/platform-browser-dynamic": "^5.2.6",
"@angular/platform-server": "^5.2.6",
"@angular/router": "^5.2.6",
"angular-2-local-storage": "^1.0.1",
"angular2-drag-scroll": "1.2.6",
"angular2-jwt": "^0.2.3",
"angular2-multiselect-dropdown": "1.3.6",
"bootstrap": "^3.3.7",
"core-js": "^2.4.1",
"file-saver": "^1.3.3",
"font-awesome": "^4.7.0",
"hammerjs": "^2.0.8",
"jest-preset-angular": "^2.0.5",
"json2typescript": "1.0.5",
"lodash": "^4.12.0",
"moment": "^2.18.1",
"ng-http-interceptor": "^3.1.2",
"ng2-smart-table": "^1.1.0",
"ngx-bootstrap": "2.0.2",
"ngx-filesaver": "0.0.2",
"ngx-modialog": "^5.0.0",
"ngx-pagination": "^3.0.1",
"ngx-tooltip": "0.0.9",
"npm": "^5.2.0",
"proxy-polyfill": "^0.1.7",
"rxjs": "^5.5.6",
"sha1": "^1.1.1",
"smoothscroll-polyfill": "^0.3.5",
"web-animations-js": "^2.2.5",
"zone.js": "^0.8.8"
},
"devDependencies": {
"@angular/cli": "1.7.1",
"@angular/compiler-cli": "^5.2.6",
"@types/jasmine": "2.5.38",
"@types/jest": "^20.0.5",
"@types/node": "~6.0.60",
"codelyzer": "~2.0.0",
"jasmine-core": "~2.5.2",
"jasmine-spec-reporter": "~3.2.0",
"jest": "^20.0.4",
"karma": "~1.4.1",
"karma-chrome-launcher": "~2.0.0",
"karma-cli": "~1.0.1",
"karma-coverage-istanbul-reporter": "^0.2.0",
"karma-jasmine": "~1.1.0",
"karma-jasmine-html-reporter": "^0.2.2",
"protractor": "~5.1.0",
"ts-jest": "^20.0.7",
"ts-node": "~2.0.0",
"tslint": "~4.5.0",
"typescript": "2.4.2"
},
"jest": {
"preset": "jest-preset-angular",
"setupTestFrameworkScriptFile": "<rootDir>/src/setupJest.ts",
"transformIgnorePatterns": [
"node_modules/(?!json2typescript|angular2-multiselect-dropdown|ngx-filesaver|ngx-bootstrap|angular2-drag-scroll)"
]
}
}
我清理了 npm 緩存,刪除了package-lock.json ,重新安裝了node_modules ,我也降級到angular-cli 1.6.8 和 1.6.8但是,對於1.6.x出現了另一個問題,因此我被告知升級到1.7.x 。
但不幸的是,情況變得更糟。
也很難手動美化我所有的 css 數據,因為我有一個巨大的 css 數據。
建議?
運行 sass/css 文件以顯示所有空格字符。 我很確定您的屬性之間某處有一個不間斷的空間導致它中斷。 就像是
{
color:[non-breaking-space]#123456;
}
您可以通過安裝名為 Highlight Bad Chars 的 VS 代碼插件來發現這些壞字符https://marketplace.visualstudio.com/items?itemName=wengerk.highlight-bad-chars
TL;DR:使用編輯器查找不間斷空格並消除它們。
雖然看起來 clean-css 在 @angular/cli 1.6.7 之后出現了驚人的失敗,但是這個問題可以在 @angular/cli 的更高版本中得到解決,無論如何。
我在這個由不間斷空格引起的問題上取得了領先: https ://github.com/jakubpawlowicz/clean-css/issues/1006
然后,我能夠通過在 Notepad++ 中將 src/ 文件夾作為工作區打開、過濾*.scss
和*.css
並使用 Regex 進行搜索以使用\xA0
查找 scss/ 中的不間斷空格來解決問題CSS 文件; 我找到了一個。 一旦刪除,我的錯誤就消失了。
對於那些想知道如何在 Notepad++ 中詳細完成此操作的人:
*.scss *.css
使用 js-beautify ( https://github.com/beautify-web/js-beautify )
npm -g 安裝 js-美化
然后 cd 到 /src。
然后create.jsbeautifyrc en /src 路徑。
{
"css": {
"allowed_file_extensions": [
"css",
"scss",
"sass",
"less"
],
"end_with_newline": false,
"indent_char": " ",
"indent_size": 4,
"newline_between_rules": true,
"selector_separator": " ",
"selector_separator_newline": false,
"preserve_newlines": false,
"max_preserve_newlines": 1
}
}
最后應用到 all.scss 文件(或者 .css 如果你有的話)
在 Windows 中我使用:FORFILES /S /M *.scss /C "cmd /c css-beautify -r -f @file"
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