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- convert a
<style>
element to JSON format
- autofix common mistakes
- friendly warnings
parse(code, done)
validate(json, done)
validateItem(name, value)
util.hyphenedToCamelCase(value)
util.camelCaseToHyphened(value)
/**
* Parse `<style>` code to a JSON Object and log errors & warnings
*
* @param {string} code
* @param {function} done
*/
function parse(code, done) {}
/**
* Validate a JSON Object and log errors & warnings
*
* @param {object} json
* @param {function} done
*/
function validate(json, done) {}
/**
* Result callback
*
* data
* - jsonStyle{}: `classname.propname.value`-like object
* - log[{line, column, reason}]
*
* @param {Error} err
* @param {object} data
*/
function done(err, data) {}
/**
* Validate a single name-value pair
*
* @param {string} name camel cased
* @param {string} value
* @return {object}
* - value
* - log{reason}
*/
function validateItem(name, value) {}
- rule check: only common rule type supported, othres will be ignored
- selector check: only single-classname selector is supported, others will be ignored
- prop name check: out-of-defined prop name will be warned but preserved
- prop value check: common prop value mistakes will be autofixed or ignored
- color type: keywords,
#xxx
-> warning: #xxxxxx
- color type:
transparent
-> error: not supported
- length type:
100px
-> warning: 100
var styler = require('weex-styler')
var code = 'html {color: #000000;} .foo {color: red; -webkit-transform: rotate(90deg); width: 200px;}'
styler.parse(code, function (err, data) {
// syntax error
// format: {line, column, reason, ...}
err
// result
// {foo: {color: '#ff0000', webkitTransform: 'rotate(90deg)', width: 200}}
data.jsonStyle
// format: {line, column, reason}
// - Error: Selector `html` is not supported. Weex only support single-classname selector
// - Warning: prop value `red` is autofixed to `#ff0000`
// - Warning: prop name `-webkit-transform` is not supported
// - Warning: prop value `200px` is autofixed to `200`
data.log[]
})
var jsonStyle = {
foo: {
color: 'red',
webkitTransform: 'rotate(90deg)',
width: '200px'
}
}
styler.validate(json, function (err, data) {
// syntax error
err
// result
// {foo: {color: '#ff0000', webkitTransform: 'rotate(90deg)', width: 200}}
data.jsonStyle
// format: {reason}
// - Warning: prop value `red` is autofixed to `#ff0000`
// - Warning: prop name `-webkit-transform` is not supported
// - Warning: prop value `200px` is autofixed to `200`
data.log[]
})