DS Boyce
63 lines
2.0 KiB
JavaScript
63 lines
2.0 KiB
JavaScript
/**
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* Codemod to replace BskyAgent with AtpAgent
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*
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* Before:
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* import {BskyAgent} from '@atproto/api`
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* BskyAgent.appLabelers.includes(labeler)
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*
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* After:
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* import {AtpAgent} from '@atproto/api`
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* AtpAgent.appLabelers.includes(labeler)
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*
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* Handles import specifiers, type annotations, static member access
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* (BskyAgent.configure), `extends BskyAgent`, and `new BskyAgent()`. Whole
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* identifiers only, so names like `OpaqueBskyAgent` are left untouched.
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*
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* Usage: jscodeshift -t .jscodeshift/repo/bsky-agent.js <file-path>
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* Example: jscodeshift -t .jscodeshift/repo/bsky-agent.js src/lib/moderation.ts
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*/
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/* eslint-disable */
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export const parser = 'tsx'
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export default function transformer(file, api) {
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const j = api.jscodeshift
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const root = j(file.source)
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// Replace every standalone `BskyAgent` identifier with `AtpAgent`. This
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// covers imports, type references, member expressions, `extends`, and `new`.
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root
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.find(j.Identifier, {name: 'BskyAgent'})
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.replaceWith(() => j.identifier('AtpAgent'))
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// Renaming can leave a duplicate `AtpAgent` specifier on the @atproto/api
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// import if the file already imported it. Dedupe by imported name, keeping
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// the type-only modifier only if every duplicate was type-only.
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root
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.find(j.ImportDeclaration, {source: {value: '@atproto/api'}})
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.forEach(path => {
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const seen = new Map()
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for (const spec of path.value.specifiers) {
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if (spec.type !== 'ImportSpecifier') {
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seen.set(Symbol(), spec)
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continue
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}
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const name = spec.imported.name
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const existing = seen.get(name)
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if (!existing) {
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seen.set(name, spec)
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} else if (
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existing.importKind === 'type' &&
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spec.importKind !== 'type'
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) {
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// Prefer the value (non-type) import if either usage needs it.
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seen.set(name, spec)
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}
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}
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path.value.specifiers = Array.from(seen.values())
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})
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return root.toSource()
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}
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