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add grid option for Autoprefixer polyfill Grid Layout for IE #40

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add grid option for Autoprefixer polyfill Grid Layout for IE #40

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2 changes: 1 addition & 1 deletion README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,7 @@ and then on the command line,
lessc file.less --autoprefix="browsers"
```

The browsers are a comma seperated list of [browsers as specified with autoprefixer](https://github.com/postcss/autoprefixer#browsers).
The browsers are a comma seperated list of [browsers as specified with autoprefixer](https://github.com/postcss/autoprefixer#browsers). For use autoprefixer grid fallback option, add "grid-on" in browser list.

## Programmatic usage

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9 changes: 6 additions & 3 deletions lib/parse-options.js
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@@ -1,7 +1,10 @@
module.exports = function(options) {
if (typeof options === 'string') {
var browsers = options.replace(/\s*,\s*/g, ",").split(",");
options = {browsers: browsers};
var options = options.replace(/\s*,\s*/g, ",").split(",");
var opt = {
browsers: options.filter(function(el){ return el !== 'grid-on' }),
grid: options.indexOf('grid-on') != -1 ? true : false
};
}
return options;
return opt;
};