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2.68.10
Components-based design system written in elixir
Retired package: Deprecated - Package no longer supported. Use moon_live_view package instead
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assets/node_modules/sucrase/dist/esm/util/getTSImportedNames.js
import {TokenType as tt} from "../parser/tokenizer/types";
import getImportExportSpecifierInfo from "./getImportExportSpecifierInfo";
/**
* Special case code to scan for imported names in ESM TypeScript. We need to do this so we can
* properly get globals so we can compute shadowed globals.
*
* This is similar to logic in CJSImportProcessor, but trimmed down to avoid logic with CJS
* replacement and flow type imports.
*/
export default function getTSImportedNames(tokens) {
const importedNames = new Set();
for (let i = 0; i < tokens.tokens.length; i++) {
if (
tokens.matches1AtIndex(i, tt._import) &&
!tokens.matches3AtIndex(i, tt._import, tt.name, tt.eq)
) {
collectNamesForImport(tokens, i, importedNames);
}
}
return importedNames;
}
function collectNamesForImport(
tokens,
index,
importedNames,
) {
index++;
if (tokens.matches1AtIndex(index, tt.parenL)) {
// Dynamic import, so nothing to do
return;
}
if (tokens.matches1AtIndex(index, tt.name)) {
importedNames.add(tokens.identifierNameAtIndex(index));
index++;
if (tokens.matches1AtIndex(index, tt.comma)) {
index++;
}
}
if (tokens.matches1AtIndex(index, tt.star)) {
// * as
index += 2;
importedNames.add(tokens.identifierNameAtIndex(index));
index++;
}
if (tokens.matches1AtIndex(index, tt.braceL)) {
index++;
collectNamesForNamedImport(tokens, index, importedNames);
}
}
function collectNamesForNamedImport(
tokens,
index,
importedNames,
) {
while (true) {
if (tokens.matches1AtIndex(index, tt.braceR)) {
return;
}
const specifierInfo = getImportExportSpecifierInfo(tokens, index);
index = specifierInfo.endIndex;
if (!specifierInfo.isType) {
importedNames.add(specifierInfo.rightName);
}
if (tokens.matches2AtIndex(index, tt.comma, tt.braceR)) {
return;
} else if (tokens.matches1AtIndex(index, tt.braceR)) {
return;
} else if (tokens.matches1AtIndex(index, tt.comma)) {
index++;
} else {
throw new Error(`Unexpected token: ${JSON.stringify(tokens.tokens[index])}`);
}
}
}