/
convert.ts
260 lines (223 loc) · 6.89 KB
/
convert.ts
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// deeplyCopy is private internal
/* eslint-disable @typescript-eslint/no-explicit-any */
import { Converter } from '../../src/convert';
import * as ts from 'typescript';
describe('convert', () => {
function convertCode(code: string): ts.SourceFile {
return ts.createSourceFile(
'text.ts',
code,
ts.ScriptTarget.ESNext,
true,
ts.ScriptKind.TSX,
);
}
it('deeplyCopy should convert node correctly', () => {
const ast = convertCode('type foo = ?foo<T> | ?(() => void)?');
function fakeUnknownKind(node: ts.Node): void {
ts.forEachChild(node, fakeUnknownKind);
node.kind = ts.SyntaxKind.UnparsedPrologue;
}
ts.forEachChild(ast, fakeUnknownKind);
const instance = new Converter(ast, {
errorOnUnknownASTType: false,
useJSXTextNode: false,
shouldPreserveNodeMaps: false,
});
expect(instance.convertProgram()).toMatchSnapshot();
});
it('deeplyCopy should convert node with decorators correctly', () => {
const ast = convertCode('@test class foo {}');
const instance = new Converter(ast, {
errorOnUnknownASTType: false,
useJSXTextNode: false,
shouldPreserveNodeMaps: false,
}) as any;
expect(instance.deeplyCopy(ast.statements[0])).toMatchSnapshot();
});
it('deeplyCopy should convert node with type parameters correctly', () => {
const ast = convertCode('class foo<T> {}');
const instance = new Converter(ast, {
errorOnUnknownASTType: false,
useJSXTextNode: false,
shouldPreserveNodeMaps: false,
}) as any;
expect(instance.deeplyCopy(ast.statements[0])).toMatchSnapshot();
});
it('deeplyCopy should convert node with type arguments correctly', () => {
const ast = convertCode('new foo<T>()');
const instance = new Converter(ast, {
errorOnUnknownASTType: false,
useJSXTextNode: false,
shouldPreserveNodeMaps: false,
}) as any;
expect(
instance.deeplyCopy((ast.statements[0] as any).expression),
).toMatchSnapshot();
});
it('deeplyCopy should convert array of nodes', () => {
const ast = convertCode('new foo<T>()');
const instance = new Converter(ast, {
errorOnUnknownASTType: false,
useJSXTextNode: false,
shouldPreserveNodeMaps: false,
}) as any;
expect(instance.deeplyCopy(ast)).toMatchSnapshot();
});
it('deeplyCopy should fail on unknown node', () => {
const ast = convertCode('type foo = ?foo<T> | ?(() => void)?');
const instance = new Converter(ast, {
errorOnUnknownASTType: true,
useJSXTextNode: false,
shouldPreserveNodeMaps: false,
}) as any;
expect(() => instance.deeplyCopy(ast)).toThrow(
'Unknown AST_NODE_TYPE: "TSSourceFile"',
);
});
it('nodeMaps should contain basic nodes', () => {
const ast = convertCode(`
'test';
2;
class foo {};
type bar = {};
`);
const instance = new Converter(ast, {
errorOnUnknownASTType: false,
useJSXTextNode: false,
shouldPreserveNodeMaps: true,
});
instance.convertProgram();
const maps = instance.getASTMaps();
function checkMaps(child: any): void {
child.forEachChild((node: any) => {
if (
node.kind !== ts.SyntaxKind.EndOfFileToken &&
node.kind !== ts.SyntaxKind.JsxAttributes &&
node.kind !== ts.SyntaxKind.VariableDeclaration
) {
expect(node).toBe(
maps.esTreeNodeToTSNodeMap.get(
maps.tsNodeToESTreeNodeMap.get(node),
),
);
}
checkMaps(node);
});
}
expect(ast).toBe(
maps.esTreeNodeToTSNodeMap.get(maps.tsNodeToESTreeNodeMap.get(ast)),
);
checkMaps(ast);
});
it('nodeMaps should contain jsx nodes', () => {
const ast = convertCode(`<a.b.c.d.e></a.b.c.d.e>`);
const instance = new Converter(ast, {
errorOnUnknownASTType: false,
useJSXTextNode: false,
shouldPreserveNodeMaps: true,
});
instance.convertProgram();
const maps = instance.getASTMaps();
function checkMaps(child: any): void {
child.forEachChild((node: any) => {
if (
node.kind !== ts.SyntaxKind.EndOfFileToken &&
node.kind !== ts.SyntaxKind.JsxAttributes
) {
expect(node).toBe(
maps.esTreeNodeToTSNodeMap.get(
maps.tsNodeToESTreeNodeMap.get(node),
),
);
}
checkMaps(node);
});
}
expect(ast).toBe(
maps.esTreeNodeToTSNodeMap.get(maps.tsNodeToESTreeNodeMap.get(ast)),
);
checkMaps(ast);
});
it('nodeMaps should contain export node', () => {
const ast = convertCode(`export function foo () {}`);
const instance = new Converter(ast, {
errorOnUnknownASTType: false,
useJSXTextNode: false,
shouldPreserveNodeMaps: true,
});
const program = instance.convertProgram();
const maps = instance.getASTMaps();
function checkMaps(child: any): void {
child.forEachChild((node: any) => {
if (node.kind !== ts.SyntaxKind.EndOfFileToken) {
expect(ast).toBe(
maps.esTreeNodeToTSNodeMap.get(maps.tsNodeToESTreeNodeMap.get(ast)),
);
}
checkMaps(node);
});
}
expect(ast).toBe(
maps.esTreeNodeToTSNodeMap.get(maps.tsNodeToESTreeNodeMap.get(ast)),
);
expect(maps.esTreeNodeToTSNodeMap.get(program.body[0])).toBeDefined();
expect(program.body[0]).not.toBe(
maps.tsNodeToESTreeNodeMap.get(ast.statements[0] as any),
);
checkMaps(ast);
});
it('should correctly create node with range and loc set', () => {
const ast = convertCode('');
const instance = new Converter(ast, {
errorOnUnknownASTType: false,
useJSXTextNode: false,
shouldPreserveNodeMaps: true,
});
const tsNode = ts.createNode(ts.SyntaxKind.AsKeyword, 0, 10);
const convertedNode = (instance as any).createNode(tsNode, {
range: [0, 20],
loc: {
start: {
line: 10,
column: 20,
},
end: {
line: 15,
column: 25,
},
},
});
expect(convertedNode).toEqual({
loc: {
end: {
column: 25,
line: 15,
},
start: {
column: 20,
line: 10,
},
},
range: [0, 20],
});
});
it('should throw error on jsDoc node', () => {
const jsDocCode = [
'const x: function(new: number, string);',
'const x: function(this: number, string);',
'var g: function(number, number): number;',
];
for (const code of jsDocCode) {
const ast = convertCode(code);
const instance = new Converter(ast, {
errorOnUnknownASTType: false,
useJSXTextNode: false,
shouldPreserveNodeMaps: false,
});
expect(() => instance.convertProgram()).toThrow(
'JSDoc types can only be used inside documentation comments.',
);
}
});
});