ce4c83ff
 wxy
初始提交
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// vue compiler module for transforming `<tag>:<attribute>` to `require`
var defaultOptions = {
img: 'src',
image: 'xlink:href'
}
module.exports = userOptions => {
var options = userOptions
? Object.assign({}, defaultOptions, userOptions)
: defaultOptions
return {
postTransformNode: node => {
transform(node, options)
}
}
}
function transform (node, options) {
for (var tag in options) {
if (node.tag === tag && node.attrs) {
var attributes = options[tag]
if (typeof attributes === 'string') {
node.attrs.some(attr => rewrite(attr, attributes))
} else if (Array.isArray(attributes)) {
attributes.forEach(item => node.attrs.some(attr => rewrite(attr, item)))
}
}
}
}
function rewrite (attr, name) {
if (attr.name === name) {
var value = attr.value
var isStatic = value.charAt(0) === '"' && value.charAt(value.length - 1) === '"'
if (!isStatic) {
return
}
var firstChar = value.charAt(1)
if (firstChar === '.' || firstChar === '~') {
if (firstChar === '~') {
var secondChar = value.charAt(2)
value = '"' + value.slice(secondChar === '/' ? 3 : 2)
}
attr.value = `require(${value})`
}
return true
}
}
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