Files
modeling-app/src/lang/getNodePathFromSourceRange.test.ts
Adam Chalmers 6afacd7427 KCL optional parameters (#1087)
Part of https://github.com/KittyCAD/modeling-app/issues/1006#issuecomment-1816978586

This adds support for optional parameters to the AST. They are declared with a ? suffix, e.g. `(x, tag?) => {...}`.

This PR does not actually _use_ these optional parameters anywhere. In particular, it does not change the KCL stdlib or any existing function definitions. That will happen in a follow-up PR.
2023-11-20 11:19:08 -06:00

107 lines
3.0 KiB
TypeScript

import { getNodePathFromSourceRange, getNodeFromPath } from './queryAst'
import { Identifier, parse, initPromise, Parameter } from './wasm'
beforeAll(() => initPromise)
describe('testing getNodePathFromSourceRange', () => {
it('test it gets the right path for a `lineTo` CallExpression within a SketchExpression', () => {
const code = `
const myVar = 5
const sk3 = startSketchAt([0, 0])
|> lineTo([1, 2], %)
|> lineTo({ to: [3, 4], tag: 'yo' }, %)
|> close(%)
`
const subStr = "lineTo({ to: [3, 4], tag: 'yo' }, %)"
const lineToSubstringIndex = code.indexOf(subStr)
const sourceRange: [number, number] = [
lineToSubstringIndex,
lineToSubstringIndex + subStr.length,
]
const ast = parse(code)
const nodePath = getNodePathFromSourceRange(ast, sourceRange)
const { node } = getNodeFromPath<any>(ast, nodePath)
expect([node.start, node.end]).toEqual(sourceRange)
expect(node.type).toBe('CallExpression')
})
it('gets path right for function definition params', () => {
const code = `fn cube = (pos, scale) => {
const sg = startSketchAt(pos)
|> line([0, scale], %)
|> line([scale, 0], %)
|> line([0, -scale], %)
return sg
}
const b1 = cube([0,0], 10)`
const subStr = 'pos, scale'
const subStrIndex = code.indexOf(subStr)
const sourceRange: [number, number] = [
subStrIndex,
subStrIndex + 'pos'.length,
]
const ast = parse(code)
const nodePath = getNodePathFromSourceRange(ast, sourceRange)
const node = getNodeFromPath<Parameter>(ast, nodePath).node
expect(nodePath).toEqual([
['body', ''],
[0, 'index'],
['declarations', 'VariableDeclaration'],
[0, 'index'],
['init', ''],
['params', 'FunctionExpression'],
[0, 'index'],
])
expect(node.type).toBe('Parameter')
expect(node.identifier.name).toBe('pos')
})
it('gets path right for deep within function definition body', () => {
const code = `fn cube = (pos, scale) => {
const sg = startSketchAt(pos)
|> line([0, scale], %)
|> line([scale, 0], %)
|> line([0, -scale], %)
return sg
}
const b1 = cube([0,0], 10)`
const subStr = 'scale, 0'
const subStrIndex = code.indexOf(subStr)
const sourceRange: [number, number] = [
subStrIndex,
subStrIndex + 'scale'.length,
]
const ast = parse(code)
const nodePath = getNodePathFromSourceRange(ast, sourceRange)
const node = getNodeFromPath<Identifier>(ast, nodePath).node
expect(nodePath).toEqual([
['body', ''],
[0, 'index'],
['declarations', 'VariableDeclaration'],
[0, 'index'],
['init', ''],
['body', 'FunctionExpression'],
['body', 'FunctionExpression'],
[0, 'index'],
['declarations', 'VariableDeclaration'],
[0, 'index'],
['init', ''],
['body', 'PipeExpression'],
[2, 'index'],
['arguments', 'CallExpression'],
[0, 'index'],
['elements', 'ArrayExpression'],
[0, 'index'],
])
expect(node.type).toBe('Identifier')
expect(node.name).toBe('scale')
})
})