64 lines
2.2 KiB
JavaScript
64 lines
2.2 KiB
JavaScript
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'use strict';
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module.exports = {
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name: require('./package').name,
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getTransform: function() {
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return {
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name: 'custom-element',
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plugin: class {
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transform(ast) {
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this.syntax.traverse(ast, {
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ElementNode: (node) => {
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if(node.tag === 'CustomElement') {
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node.attributes = node.attributes
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// completely remove these ones, they are not used runtime
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// element is potentially only temporarily being removed
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.filter(item => !['element', 'description', 'slots', 'cssparts'].includes(`${item.name.substr(1)}`))
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.map(item => {
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switch(true) {
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// these ones are ones where we need to remove the documentation only
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// the attributes themselves are required at runtime
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case ['attrs', 'cssprops'].includes(`${item.name.substr(1)}`):
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item.value.params = item.value.params.map(item => {
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// we can't use arr.length here as we don't know
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// whether someone has used the documentation entry
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// in the array or not We use the hardcoded `3` for
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// the moment if that position needs to change per
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// property we can just add more cases for the
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// moment
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item.params = item.params.filter((item, i, arr) => i < 3);
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return item;
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});
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break;
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}
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return item;
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});
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}
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},
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});
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return ast;
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}
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},
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baseDir: function() {
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return __dirname;
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},
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cacheKey: function() {
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return 'custom-element';
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}
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};
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},
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setupPreprocessorRegistry(type, registry) {
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const transform = this.getTransform();
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transform.parallelBabel = {
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requireFile: __filename,
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buildUsing: 'getTransform',
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params: {}
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};
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registry.add('htmlbars-ast-plugin', transform);
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},
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};
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