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motion - moving development forward
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"author": {
"name": "Maxime Thirouin"
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"bugs": {
"url": "https://github.com/MoOx/postcss-message-helpers/issues"
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"dependencies": {},
"description": "PostCSS helpers to throw or output GNU style messages",
"devDependencies": {
"jscs": "^1.6.2",
"jshint": "^2.5.6",
"postcss": "^4.0.2",
"tape": "^3.0.0"
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"homepage": "https://github.com/MoOx/postcss-message-helpers#readme",
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"license": "MIT",
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"readme": "# postcss-message-helpers [](https://travis-ci.org/MoOx/postcss-message-helpers)\n\n> [PostCSS](https://github.com/postcss/postcss) helpers to throw or output GNU style messages.\n\nThis modules offers you some function to throw or just output messages with [GNU style](https://www.gnu.org/prep/standards/html_node/Errors.html): `sourcefile:lineno:column: message`\n\n## Installation\n\n```console\n$ npm install postcss-message-helpers\n```\n\n```js\nvar messageHelpers = require(\"postcss-message-helpers\")\n```\n\n## Usage\n\n### `var fnValue = messageHelpers.try(fn, source)`\n\nExecute `fn` an return the value.\nIf an exception is thrown during the process, the exception will be catched, enhanced from source & re-throw.\n\n### `var sourceMessage = messageHelpers.message(message, source)`\n\nReturns a message like `sourcefile:lineno:column: message`. \n`source` should be a postcss source object from a node.\n\n### `var source = messageHelpers.source(source)`\n\nReturns `sourcefile:lineno:column` for a given `source` postcss object.\n\n### Example\n\n```js\n// dependencies\nvar fs = require(\"fs\")\nvar postcss = require(\"postcss\")\nvar messageHelpers = require(\"postcss-message-helpers\")\n\n// css to be processed\nvar css = fs.readFileSync(\"input.css\", \"utf8\")\n\n// process css\nvar output = postcss()\n .use(function(styles) {\n styles.eachDecl(function transformDecl(decl) {\n // will catch, adjust error stack, line, column & message (gnu style) then re-throw\n messageHelpers.try(function IwillThrow() {\n if (decl.value.indexOf(\"error(\") > -1) {\n throw new Error(\"error detected: \" + decl.value)\n }\n }, decl.source)\n\n // will output a gnu style warning\n if (decl.value.indexOf(\"warning(\") > -1) {\n console.warning(messageHelpers.message(\"warning: \" + decl.value, decl.source))\n }\n })\n })\n .process(css)\n .css\n```\n\nCheckout [tests](test) for more examples.\n\n---\n\n## Contributing\n\nWork on a branch, install dev-dependencies, respect coding style & run tests before submitting a bug fix or a feature.\n\n $ git clone https://github.com/MoOx/postcss-message-helpers.git\n $ git checkout -b patch-1\n $ npm install\n $ npm test\n\n## [Changelog](CHANGELOG.md)\n\n## [License](LICENSE)\n",
"readmeFilename": "README.md",
"repository": {
"type": "git",
"url": "git+https://github.com/MoOx/postcss-message-helpers.git"
},
"scripts": {
"lint": "jscs *.js **/*.js && jshint . --exclude-path .gitignore",
"test": "npm run lint && tape test"
},
"version": "2.0.0"
}