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- Fixed: use PostCSS 7 (thanks to @douglasduteil)

- Fixed: throwing error for attribute selectors without a value

- Breaking: Updated PostCSS from v5.x to v6.x, and reduce-css-calc from v1.x

- Fixed: avoid security issue related to ``reduce-css-calc@< 1.2.4``.

- Added: support for selector transformation via `selectors` option.

  ([#29](https://github.com/postcss/postcss-calc/pull/29) - @uniquegestaltung)

  ([#27](https://github.com/postcss/postcss-calc/pull/27)) 

- Added: "mediaQueries" option for `@media` support

([#22](https://github.com/postcss/postcss-calc/pull/22))

- Added: "warnWhenCannotResolve" option to warn when calc() are not reduced to a single value

([#20](https://github.com/postcss/postcss-calc/pull/20))

- Removed: compatibility with postcss v4.x

- Added: compatibility with postcss v4.1.x ([#12](https://github.com/postcss/postcss-calc/pull/12))

- Fixed: `preserve` option does not create duplicated values ([#7](https://github.com/postcss/postcss-calc/issues/7))

- Changed: partial compatiblity with postcss v3.x (stack traces have lost filename)

- Added: GNU like exceptions ([#4](https://github.com/postcss/postcss-calc/issues/4))

- Added: `precision` option ([#5](https://github.com/postcss/postcss-calc/issues/5))

- Added: `preserve` option ([#6](https://github.com/postcss/postcss-calc/issues/6))

- Added: source of the error (gnu like message) (fix [#3](https://github.com/postcss/postcss-calc/issues/3))

- Fixed: correctly ignore unrecognized values (fix [#2](https://github.com/postcss/postcss-calc/issues/2))

- Changed: Plugin now return a function to have a consistent api. ([ref 1](https://github.com/ianstormtaylor/rework-color-function/issues/6), [ref 2](https://twitter.com/jongleberry/status/496552790416576513))

✨ First release based on [rework-calc](https://github.com/reworkcss/rework-calc) v1.1.0 (code mainly exported to [`reduce-css-calc`](https://github.com/MoOx/reduce-css-calc))

  "description": "PostCSS plugin to reduce calc()",

    "prepublish": "npm run build && del-cli dist/__tests__",

    "build": "del-cli dist && cross-env BABEL_ENV=publish babel src --out-dir dist",

    "pretest": "eslint src && npm run build",

  "repository": "https://github.com/postcss/postcss-calc.git",

    "extends": "eslint-config-i-am-meticulous"

    "babel-plugin-add-module-exports": "^0.2.1",

    "eslint-config-i-am-meticulous": "^6.0.1",

# postcss-calc [![Build Status](https://travis-ci.org/postcss/postcss-calc.png)](https://travis-ci.org/postcss/postcss-calc)

> [PostCSS](https://github.com/postcss/postcss) plugin to reduce `calc()`.

This plugin reduce `calc()` references whenever it's possible.

This can be particularly useful with the [postcss-custom-properties](https://github.com/postcss/postcss-custom-properties) plugin.

**Note:** When multiple units are mixed together in the same expression, the `calc()` statement is left as is, to fallback to the [w3c calc() feature](http://www.w3.org/TR/css3-values/#calc).

var css = fs.readFileSync("input.css", "utf8")

**Example** (with [postcss-custom-properties](https://github.com/postcss/postcss-custom-properties) enabled as well):

var customProperties = require("postcss-custom-properties")

  font-size: calc(var(--main-font-size) * 2);

Checkout [tests](test) for more examples.

Checkout [tests](src/__tests__/index.js) for more examples.

Allow you to define the precision for decimal numbers.

Allow you to preserve calc() usage in output so browsers will handle decimal precision themselves.

#### `warnWhenCannotResolve` (default: `false`)

Adds warnings when calc() are not reduced to a single value.

  .use(calc({warnWhenCannotResolve: true}))

Allows calc() usage as part of media query declarations.

Allows calc() usage as part of selectors.

Work on a branch, install dev-dependencies, respect coding style & run tests before submitting a bug fix or a feature.

$ git clone https://github.com/postcss/postcss-calc.git

		@@ -0,1 +1,5 @@
		# 6.0.2 - 2018-09-25

		- Fixed: use PostCSS 7 (thanks to @douglasduteil)

		# 6.0.1 - 2017-10-10
		@@ -2,0 +6,0 @@

		{
		"name": "postcss-calc",
		"version": "6.0.1",
		"version": "6.0.2",
		"description": "PostCSS plugin to reduce calc()",
		@@ -47,3 +47,3 @@ "keywords": [
		"css-unit-converter": "^1.1.1",
		"postcss": "^6.0.0",
		"postcss": "^7.0.2",
		"postcss-selector-parser": "^2.2.2",
		@@ -50,0 +50,0 @@ "reduce-css-calc": "^2.0.0"

New alerts

Fixed alerts

Improved metrics

Dependency changes

		@@ -89,3 +89,3 @@ # postcss-calc [![Build Status](https://travis-ci.org/postcss/postcss-calc.png)](https://travis-ci.org/postcss/postcss-calc)

		Checkout [tests](test) for more examples.
		Checkout [tests](src/__tests__/index.js) for more examples.

		@@ -92,0 +92,0 @@ ### Options