@sourcegraph/scip-typescript
Version:
SCIP indexer for TypeScript and JavaScript
159 lines (158 loc) • 7.15 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.shouldSkipAlias = shouldSkipAlias;
exports.isParameter = isParameter;
exports.getTextOfJsxAttributeName = getTextOfJsxAttributeName;
exports.getContainingObjectLiteralElement = getContainingObjectLiteralElement;
exports.getPropertySymbolFromContextualType = getPropertySymbolFromContextualType;
exports.getNameFromPropertyName = getNameFromPropertyName;
exports.isStringOrNumericLiteralLike = isStringOrNumericLiteralLike;
exports.getTextOfIdentifierOrLiteral = getTextOfIdentifierOrLiteral;
exports.getTextOfJsxNamespacedName = getTextOfJsxNamespacedName;
const ts = __importStar(require("typescript"));
// Functions in this file are based directly off corresponding functions
// in the TypeScript codebase.
function shouldSkipAlias(node) {
switch (node.kind) {
case ts.SyntaxKind.ImportClause:
case ts.SyntaxKind.ImportEqualsDeclaration: {
// TODO: How do we test this code path?
return true;
}
case ts.SyntaxKind.ImportSpecifier: {
return node.parent.kind === ts.SyntaxKind.NamedImports;
}
case ts.SyntaxKind.BindingElement:
case ts.SyntaxKind.VariableDeclaration: {
// TODO: How do we test this code path?
return (isInJSFile(node) &&
isVariableDeclarationInitializedToBareOrAccessedRequire(node));
}
default: {
return false;
}
}
}
function isInJSFile(node) {
return !!(node.flags & ts.NodeFlags.JavaScriptFile);
}
function isVariableDeclarationInitializedToBareOrAccessedRequire(node) {
if (node.kind === ts.SyntaxKind.BindingElement) {
node = node.parent.parent;
}
return isVariableDeclaration(node) && !!node.initializer;
// FIXME: This requires inlining a bunch of more definitions.
// ts.isRequireCall(allowAccessedRequire ? ts.getLeftmostAccessExpression(node.initializer) : node.initializer, /*requireStringLiteralLikeArgument*/ true);
}
function isVariableDeclaration(node) {
return node.kind === ts.SyntaxKind.VariableDeclaration;
}
function isParameter(sym) {
var _a;
// based on isFirstDeclarationOfSymbolParameter
const declaration = (_a = sym.declarations) === null || _a === void 0 ? void 0 : _a[0];
return !!ts.findAncestor(declaration, (node) => ts.isParameter(node)
? true
: ts.isBindingElement(node) ||
ts.isObjectBindingPattern(node) ||
ts.isArrayBindingPattern(node)
? false
: 'quit');
}
// The corresponding function is marked @internal here:
// https://sourcegraph.com/github.com/microsoft/TypeScript@fbcdb8cf4fbbbea0111a9adeb9d0d2983c088b7c/-/blob/src/compiler/utilities.ts?L10586-10589
function getTextOfJsxAttributeName(node) {
return ts.isIdentifier(node)
? ts.idText(node)
: `${ts.idText(node.namespace)}:${ts.idText(node.name)}`;
}
// https://sourcegraph.com/github.com/microsoft/TypeScript@2c23beae0297fe3e57868d02af8c9084b136f78c/-/blob/src/services/services.ts?L3534
function getContainingObjectLiteralElement(node) {
const element = getContainingObjectLiteralElementWorker(node);
return element &&
(ts.isObjectLiteralExpression(element.parent) ||
ts.isJsxAttributes(element.parent))
? element
: undefined;
}
// https://sourcegraph.com/github.com/microsoft/TypeScript@2c23beae0297fe3e57868d02af8c9084b136f78c/-/blob/src/services/services.ts?L3538
function getContainingObjectLiteralElementWorker(node) {
switch (node.kind) {
case ts.SyntaxKind.StringLiteral:
case ts.SyntaxKind.NoSubstitutionTemplateLiteral:
case ts.SyntaxKind.NumericLiteral: {
if (node.parent.kind === ts.SyntaxKind.ComputedPropertyName) {
return ts.isObjectLiteralElement(node.parent.parent)
? node.parent.parent
: undefined;
}
// falls through
}
case ts.SyntaxKind.Identifier: {
return ts.isObjectLiteralElement(node.parent) &&
(node.parent.parent.kind === ts.SyntaxKind.ObjectLiteralExpression ||
node.parent.parent.kind === ts.SyntaxKind.JsxAttributes) &&
node.parent.name === node
? node.parent
: undefined;
}
}
return undefined;
}
function getPropertySymbolFromContextualType(node, contextualType) {
const name = getNameFromPropertyName(node.name);
if (!name) {
return undefined;
}
return contextualType.getProperty(name);
}
// https://sourcegraph.com/github.com/microsoft/TypeScript@2c23beae0297fe3e57868d02af8c9084b136f78c/-/blob/src/services/utilities.ts?L2433
function getNameFromPropertyName(name) {
return name.kind === ts.SyntaxKind.ComputedPropertyName
? // treat computed property names where expression is string/numeric literal as just string/numeric literal
isStringOrNumericLiteralLike(name.expression)
? name.expression.text
: undefined
: ts.isPrivateIdentifier(name)
? ts.idText(name)
: getTextOfIdentifierOrLiteral(name);
}
// https://sourcegraph.com/github.com/microsoft/TypeScript@2c23beae0297fe3e57868d02af8c9084b136f78c/-/blob/src/compiler/utilities.ts?L5269
function isStringOrNumericLiteralLike(node) {
return ts.isStringLiteralLike(node) || ts.isNumericLiteral(node);
}
// https://sourcegraph.com/github.com/microsoft/TypeScript@2c23beae0297fe3e57868d02af8c9084b136f78c/-/blob/src/compiler/utilities.ts?L5346
function getTextOfIdentifierOrLiteral(node) {
return ts.isMemberName(node)
? ts.idText(node)
: ts.isJsxNamespacedName(node)
? getTextOfJsxNamespacedName(node)
: node.text;
}
// https://sourcegraph.com/github.com/microsoft/TypeScript@2c23beae0297fe3e57868d02af8c9084b136f78c/-/blob/src/compiler/utilities.ts?L11012
function getTextOfJsxNamespacedName(node) {
return `${ts.idText(node.namespace)}:${ts.idText(node.name)}`;
}