optional whitespace.spec.ts

import { describe, expect, it } from "vitest"

import { double, t, v } from "./utils.js"

import { condition, delim, expression, group, pos } from "../src/ast/builders/index.js"
import { Parser } from "../src/Parser.js"


it(" a ", () => {
	const input = " a "
	const ast = new Parser().parse(input)
	const expected =
			condition(
				v(input, "a"),
			)
	expect(ast).to.deep.equal(expected)
})
it("a             ||             b", () => {
	const input = "a             ||             b"
	const ast = new Parser().parse(input)
	const expected =
			expression(
				condition(
					v(input, "a"),
				),
				t(input, "||"),
				condition(
					v(input, "b"),
				),
			)
	expect(ast).to.deep.equal(expected)
})
it("( a )", () => {
	const input = "( a )"
	const ast = new Parser().parse(input)
	const expected =
			group(undefined,
				condition(
					v(input, "a"),
				),
				undefined,
				pos(0, 1),
				pos(4, 5),
			)
	expect(ast).to.deep.equal(expected)
})
it(`( "a" )`, () => {
	const input = `( "a" )`
	const ast = new Parser().parse(input)
	const expected =
			group(undefined,
				condition(
					v(input, "a", delim(double, double)),
				),
				undefined,
				pos(0, 1),
				pos(6, 7),
			)
	expect(ast).to.deep.equal(expected)
})
it(`( " a " )`, () => {
	const input = `( " a " )`
	const ast = new Parser().parse(input)
	const expected =
			group(undefined,
				condition(
					v(input, " a ", delim(double, double)),
				),
				undefined,
				pos(0, 1),
				pos(8, 9),
			)

	expect(ast).to.deep.equal(expected)
})
it(`(" a ")`, () => {
	const input = `(" a ")`
	const ast = new Parser().parse(input)
	const expected =
			group(undefined,
				condition(
					v(input, " a ", delim(double, double)),
				),
				undefined,
			)
	expect(ast).to.deep.equal(expected)
})