graphql-language-service-server
Version:
Server process backing the GraphQL Language Service
52 lines • 1.89 kB
JavaScript
import { parse, compileScript } from 'vue/compiler-sfc';
import { Position, Range } from 'graphql-language-service';
export function parseVueSFC(source) {
const { errors, descriptor } = parse(source);
if (errors.length !== 0) {
return { type: 'error', errors };
}
let scriptBlock = null;
try {
scriptBlock = compileScript(descriptor, { id: 'foobar' });
}
catch (error) {
if (error instanceof Error &&
error.message === '[@vue/compiler-sfc] SFC contains no <script> tags.') {
return {
type: 'ok',
scriptSetupAst: [],
scriptAst: [],
scriptOffset: 0,
};
}
return { type: 'error', errors: [error] };
}
return {
type: 'ok',
scriptOffset: scriptBlock.loc.start.line - 1,
scriptSetupAst: scriptBlock.scriptSetupAst,
scriptAst: scriptBlock.scriptAst,
};
}
export const vueParser = (text, uri, logger) => {
const asts = [];
const parseVueSFCResult = parseVueSFC(text);
if (parseVueSFCResult.type === 'error') {
logger.info(`Could not parse the vue file at ${uri} to extract the graphql tags:`);
for (const error of parseVueSFCResult.errors) {
logger.info(String(error));
}
return null;
}
if (parseVueSFCResult.scriptAst !== undefined) {
asts.push(...parseVueSFCResult.scriptAst);
}
if (parseVueSFCResult.scriptSetupAst !== undefined) {
asts.push(...parseVueSFCResult.scriptSetupAst);
}
const rangeMapper = range => {
return new Range(new Position(range.start.line + parseVueSFCResult.scriptOffset, range.start.character), new Position(range.end.line + parseVueSFCResult.scriptOffset, range.end.character));
};
return { asts, rangeMapper };
};
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