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// One-time usage file. You can delete me after running the codemod!
function injectAmp(j, o, desiredAmpValue) {
const init = o.node.init
switch (init.type) {
case 'ObjectExpression': {
const overwroteAmpKey = init.properties.some((prop) => {
switch (prop.type) {
case 'Property':
case 'ObjectProperty':
if (!(prop.key.type === 'Identifier' && prop.key.name === 'amp')) {
return false
}
prop.value = desiredAmpValue
return true
default:
return false
}
})
if (!overwroteAmpKey) {
init.properties.push(
j.objectProperty(j.identifier('amp'), desiredAmpValue)
)
}
return true
}
default: {
return false
}
}
}
export default function transformer(file, api) {
const j = api.jscodeshift.withParser('tsx')
const root = j(file.source)
const done = () => root.toSource()
const imports = root.find(j.ImportDeclaration, {
source: { value: 'next/amp' },
})
if (imports.length < 1) {
return
}
let hadWithAmp = false
const ampImportNames = []
imports.forEach((ampImport) => {
const ampImportShift = j(ampImport)
const withAmpImport = ampImportShift.find(j.ImportSpecifier, {
imported: { name: 'withAmp' },
})
if (withAmpImport.length < 1) {
return
}
hadWithAmp = true
withAmpImport.forEach((element) => {
ampImportNames.push(element.value.local.name)
j(element).remove()
})
if (ampImport.value.specifiers.length === 0) {
ampImportShift.remove()
}
})
if (!hadWithAmp) {
return done()
}
const defaultExportsShift = root.find(j.ExportDefaultDeclaration)
if (defaultExportsShift.length < 1) {
return done()
}
let desiredAmpValue = j.booleanLiteral(true)
const defaultExport = defaultExportsShift.nodes()[0]
const removedWrapper = ampImportNames.some((ampImportName) => {
const ampWrapping = j(defaultExport).find(j.CallExpression, {
callee: { name: ampImportName },
})
if (ampWrapping.length < 1) {
return false
}
ampWrapping.forEach((e) => {
if (e.value.arguments.length < 1) {
j(e).remove()
} else {
const withAmpOptions = e.value.arguments[1]
if (withAmpOptions && withAmpOptions.type === 'ObjectExpression') {
const isHybrid = withAmpOptions.properties.some((prop) => {
if (!(prop.type === 'Property' || prop.type === 'ObjectProperty')) {
return false
}
if (!(prop.key && prop.key.name === 'hybrid')) {
return false
}
return (
(prop.value.type === 'Literal' ||
prop.value.type === 'BooleanLiteral') &&
prop.value.value === true
)
})
if (isHybrid) {
desiredAmpValue = j.stringLiteral('hybrid')
}
}
j(e).replaceWith(e.value.arguments[0])
}
})
return true
})
if (!removedWrapper) {
return done()
}
const namedExportsShift = root.find(j.ExportNamedDeclaration)
const hadExistingConfig = namedExportsShift.some((namedExport) => {
const configExportedObject = j(namedExport).find(j.VariableDeclarator, {
id: { name: 'config' },
})
if (configExportedObject.length > 0) {
return configExportedObject.some((exportedObject) =>
injectAmp(j, exportedObject, desiredAmpValue)
)
}
const configReexported = j(namedExport).find(j.ExportSpecifier, {
local: { name: 'config' },
})
if (configReexported.length > 0) {
const configObjects = root
.findVariableDeclarators('config')
.filter((el) => el.scope.isGlobal)
return configObjects.some((configObject) =>
injectAmp(j, configObject, desiredAmpValue)
)
}
return false
})
if (!hadExistingConfig) {
defaultExportsShift.insertAfter(
j.exportNamedDeclaration(
j.variableDeclaration('const', [
j.variableDeclarator(
j.identifier('config'),
j.objectExpression([
j.objectProperty(j.identifier('amp'), desiredAmpValue),
])
),
])
)
)
}
return done()
}
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