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