graphql-language-service
Version:
The official, runtime independent Language Service for GraphQL
178 lines • 5.92 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.renderType = exports.renderEnumValue = exports.renderArg = exports.renderDirective = exports.renderField = exports.getHoverInformation = void 0;
const graphql_1 = require("graphql");
const parser_1 = require("../parser");
function getHoverInformation(schema, queryText, cursor, contextToken, config) {
const options = Object.assign(Object.assign({}, config), { schema });
const context = (0, parser_1.getContextAtPosition)(queryText, cursor, schema, contextToken);
if (!context) {
return '';
}
const { typeInfo, token } = context;
const { kind, step } = token.state;
if ((kind === 'Field' && step === 0 && typeInfo.fieldDef) ||
(kind === 'AliasedField' && step === 2 && typeInfo.fieldDef) ||
(kind === 'ObjectField' && step === 0 && typeInfo.fieldDef)) {
const into = [];
renderMdCodeStart(into, options);
renderField(into, typeInfo, options);
renderMdCodeEnd(into, options);
renderDescription(into, options, typeInfo.fieldDef);
return into.join('').trim();
}
if (kind === 'Directive' && step === 1 && typeInfo.directiveDef) {
const into = [];
renderMdCodeStart(into, options);
renderDirective(into, typeInfo, options);
renderMdCodeEnd(into, options);
renderDescription(into, options, typeInfo.directiveDef);
return into.join('').trim();
}
if (kind === 'Variable' && typeInfo.type) {
const into = [];
renderMdCodeStart(into, options);
renderType(into, typeInfo, options, typeInfo.type);
renderMdCodeEnd(into, options);
renderDescription(into, options, typeInfo.type);
return into.join('').trim();
}
if (kind === 'Argument' && step === 0 && typeInfo.argDef) {
const into = [];
renderMdCodeStart(into, options);
renderArg(into, typeInfo, options);
renderMdCodeEnd(into, options);
renderDescription(into, options, typeInfo.argDef);
return into.join('').trim();
}
if (kind === 'EnumValue' &&
typeInfo.enumValue &&
'description' in typeInfo.enumValue) {
const into = [];
renderMdCodeStart(into, options);
renderEnumValue(into, typeInfo, options);
renderMdCodeEnd(into, options);
renderDescription(into, options, typeInfo.enumValue);
return into.join('').trim();
}
if (kind === 'NamedType' && typeInfo.type && 'description' in typeInfo.type) {
const into = [];
renderMdCodeStart(into, options);
renderType(into, typeInfo, options, typeInfo.type);
renderMdCodeEnd(into, options);
renderDescription(into, options, typeInfo.type);
return into.join('').trim();
}
return '';
}
exports.getHoverInformation = getHoverInformation;
function renderMdCodeStart(into, options) {
if (options.useMarkdown) {
text(into, '```graphql\n');
}
}
function renderMdCodeEnd(into, options) {
if (options.useMarkdown) {
text(into, '\n```');
}
}
function renderField(into, typeInfo, options) {
renderQualifiedField(into, typeInfo, options);
renderTypeAnnotation(into, typeInfo, options, typeInfo.type);
}
exports.renderField = renderField;
function renderQualifiedField(into, typeInfo, options) {
if (!typeInfo.fieldDef) {
return;
}
const fieldName = typeInfo.fieldDef.name;
if (fieldName.slice(0, 2) !== '__') {
renderType(into, typeInfo, options, typeInfo.parentType);
text(into, '.');
}
text(into, fieldName);
}
function renderDirective(into, typeInfo, _options) {
if (!typeInfo.directiveDef) {
return;
}
const name = '@' + typeInfo.directiveDef.name;
text(into, name);
}
exports.renderDirective = renderDirective;
function renderArg(into, typeInfo, options) {
if (typeInfo.directiveDef) {
renderDirective(into, typeInfo, options);
}
else if (typeInfo.fieldDef) {
renderQualifiedField(into, typeInfo, options);
}
if (!typeInfo.argDef) {
return;
}
const { name } = typeInfo.argDef;
text(into, '(');
text(into, name);
renderTypeAnnotation(into, typeInfo, options, typeInfo.inputType);
text(into, ')');
}
exports.renderArg = renderArg;
function renderTypeAnnotation(into, typeInfo, options, t) {
text(into, ': ');
renderType(into, typeInfo, options, t);
}
function renderEnumValue(into, typeInfo, options) {
if (!typeInfo.enumValue) {
return;
}
const { name } = typeInfo.enumValue;
renderType(into, typeInfo, options, typeInfo.inputType);
text(into, '.');
text(into, name);
}
exports.renderEnumValue = renderEnumValue;
function renderType(into, typeInfo, options, t) {
if (!t) {
return;
}
if (t instanceof graphql_1.GraphQLNonNull) {
renderType(into, typeInfo, options, t.ofType);
text(into, '!');
}
else if (t instanceof graphql_1.GraphQLList) {
text(into, '[');
renderType(into, typeInfo, options, t.ofType);
text(into, ']');
}
else {
text(into, t.name);
}
}
exports.renderType = renderType;
function renderDescription(into, options, def) {
if (!def) {
return;
}
const description = typeof def.description === 'string' ? def.description : null;
if (description) {
text(into, '\n\n');
text(into, description);
}
renderDeprecation(into, options, def);
}
function renderDeprecation(into, _options, def) {
if (!def) {
return;
}
const reason = def.deprecationReason;
if (!reason) {
return;
}
text(into, '\n\n');
text(into, 'Deprecated: ');
text(into, reason);
}
function text(into, content) {
into.push(content);
}
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