66 lines
1.6 KiB
JavaScript
66 lines
1.6 KiB
JavaScript
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'use strict'
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const getDocsUrl = require('./lib/get-docs-url')
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const isPromise = require('./lib/is-promise')
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module.exports = {
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meta: {
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docs: {
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description:
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'Ensures the proper number of arguments are passed to Promise functions',
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url: getDocsUrl('valid-params')
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}
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},
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create(context) {
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return {
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CallExpression(node) {
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if (!isPromise(node)) {
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return
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}
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const name = node.callee.property.name
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const numArgs = node.arguments.length
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switch (name) {
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case 'resolve':
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case 'reject':
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if (numArgs > 1) {
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context.report({
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node,
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message:
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'Promise.{{ name }}() requires 0 or 1 arguments, but received {{ numArgs }}',
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data: { name, numArgs }
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})
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}
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break
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case 'then':
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if (numArgs < 1 || numArgs > 2) {
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context.report({
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node,
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message:
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'Promise.{{ name }}() requires 1 or 2 arguments, but received {{ numArgs }}',
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data: { name, numArgs }
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})
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}
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break
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case 'race':
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case 'all':
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case 'catch':
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case 'finally':
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if (numArgs !== 1) {
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context.report({
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node,
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message:
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'Promise.{{ name }}() requires 1 argument, but received {{ numArgs }}',
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data: { name, numArgs }
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})
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}
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break
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default:
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break
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}
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}
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}
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}
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}
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