mirror of
https://github.com/joelwmale/webhook-action.git
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47 lines
1.7 KiB
JavaScript
47 lines
1.7 KiB
JavaScript
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const passiveEventListenerNames = new Set(['touchstart', 'touchmove', 'wheel', 'mousewheel'])
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const propIsPassiveTrue = prop => prop.key && prop.key.name === 'passive' && prop.value && prop.value.value === true
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module.exports = {
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meta: {
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docs: {},
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fixable: 'code'
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},
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create(context) {
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return {
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['CallExpression[callee.property.name="addEventListener"]']: function(node) {
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const [name, listener, options] = node.arguments
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if (name.type !== 'Literal') return
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if (passiveEventListenerNames.has(name.value)) return
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if (options && options.type === 'ObjectExpression') {
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const i = options.properties.findIndex(propIsPassiveTrue)
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if (i === -1) return
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const passiveProp = options.properties[i]
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const l = options.properties.length
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const source = context.getSourceCode()
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context.report({
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node: passiveProp,
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message: `"${name.value}" event listener is not cancellable and so \`passive: true\` does nothing.`,
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fix(fixer) {
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const removals = []
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if (l === 1) {
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removals.push(options)
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removals.push(...source.getTokensBetween(listener, options))
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} else {
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removals.push(passiveProp)
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if (i > 0) {
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removals.push(...source.getTokensBetween(options.properties[i - 1], passiveProp))
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} else {
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removals.push(...source.getTokensBetween(passiveProp, options.properties[i + 1]))
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}
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}
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return removals.map(t => fixer.remove(t))
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}
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})
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}
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}
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}
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}
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}
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