babel-preset-wxs v0.2.0

babel-plugin-transform-wxs

Babel plugin for wxs environment.

Example

Normalize variable name

In

var $var = val;

Out

var _var = val;

Transform constructors

In

new Date(timestamp)
new RegExp('pattern', 'i')

Out

getDate(timestamp)
getRegExp('pattern', 'i')

Inject exports automatically

In

exports.value = val;

Out

var exports = module.exports;

exports.value = val;

Normalize for statements

In

for (var i = 0, ii = array.length; i < ii; i++) {
  // body
}

Out

var i = 0, ii = array.length;
for (; i < ii; i++) {
  // body
}

Transform instanceof

In

value instanceof Function
value instanceof Array
value instanceof Date
value instanceof RegExp

Out

value && value.constructor === 'Function'
value && value.constructor === 'Array'
value && value.constructor === 'Date'
value && value.constructor === 'RegExp'

Transform Array.isArray call

In

Array.isArray(value)

Out

value && value.constructor === 'Array'

Transform regexp

In

regex1 = /pattern/
regex2 = /pattern/i

Out

regex1 = getRegExp('pattern')
regex2 = getRegExp('pattern', 'i')