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Bootstrap/grunt/postcss.js
Mark Otto eb2e1102be Flexbox all the time (Drop IE9 support and remove $enable-flex option) (#21389)
* remove the $enable-flex variable option

* remove bootstrap-flex.css dist file and it's grunt task

* remove the separate flex css file for docs; it's all the same now

* remove flexbox docs (porting some to the main grid docs in next commit)

* clean up few grid docs bits to simplify copy, start to mention flexbox

* port relevant flexbox-grid.md content to grid.md

- clean up mixins
- update how it works section
- bring over sizing and alignment sections

* remove the $enable-flex from the options.md page

* update lead paragraph to mention flexbox

* update migration to mention loss of ie9 support

* remove mention of flexbox dist file

* clarify IE support

* making a note

* remove flexbox variant mentions from component docs

- updates docs for media object, navs, list group, and cards to consolidate docs
- no more need to callout flexbox variants since it's now the default

* remove $enable-flex if/else from sass files

* remove flex dist files

* update scss lint property order to account for flex properties

* linting

* change to numberless classes for autosizing, wrap in highlighting div

* bump gruntfile and postcss to ie10

* redo intro sections

* rearrange

* phew, redo hella grid docs

- rearrange all the things
- consolidate some bits

* remove reference to flexbox mode

* more border action for demo

* Make some changes to the .card's in .card-deck's to ensure footers align to the bottom
2016-12-21 20:26:17 -08:00

43 lines
2.0 KiB
JavaScript

module.exports = {
use: [
'postcss-flexbugs-fixes',
'autoprefixer'
],
map: {
inline: false,
annotation: true,
sourcesContent: true
},
autoprefixer: {
browsers: [
//
// Official browser support policy:
// https://v4-alpha.getbootstrap.com/getting-started/browsers-devices/#supported-browsers
//
'Chrome >= 35', // Exact version number here is kinda arbitrary
// Rather than using Autoprefixer's native "Firefox ESR" version specifier string,
// we deliberately hardcode the number. This is to avoid unwittingly severely breaking the previous ESR in the event that:
// (a) we happen to ship a new Bootstrap release soon after the release of a new ESR,
// such that folks haven't yet had a reasonable amount of time to upgrade; and
// (b) the new ESR has unprefixed CSS properties/values whose absence would severely break webpages
// (e.g. `box-sizing`, as opposed to `background: linear-gradient(...)`).
// Since they've been unprefixed, Autoprefixer will stop prefixing them,
// thus causing them to not work in the previous ESR (where the prefixes were required).
'Firefox >= 38', // Current Firefox Extended Support Release (ESR); https://www.mozilla.org/en-US/firefox/organizations/faq/
// Note: Edge versions in Autoprefixer & Can I Use refer to the EdgeHTML rendering engine version,
// NOT the Edge app version shown in Edge's "About" screen.
// For example, at the time of writing, Edge 20 on an up-to-date system uses EdgeHTML 12.
// See also https://github.com/Fyrd/caniuse/issues/1928
'Edge >= 12',
'Explorer >= 10',
// Out of leniency, we prefix these 1 version further back than the official policy.
'iOS >= 8',
'Safari >= 8',
// The following remain NOT officially supported, but we're lenient and include their prefixes to avoid severely breaking in them.
'Android 2.3',
'Android >= 4',
'Opera >= 12'
]
}
}