els-addon-typed-templates/src/lib/ast-parser.test.ts

Ember Language Server Typed Templates

import { getClassMeta as classMeta, cleanComment } from './ast-parser';

function getClassMeta(src) {
    return classMeta(src).nodes;
}

describe('getClassMeta', () => {
    it('able to hande wrong hbs', ()=>{
        expect(getClassMeta('\}}').length).toEqual(0);
    });
    it('able to handle pure mustache', ()=>{
        expect(getClassMeta('{{foo}}').length).toEqual(1);
    });
    it('able to handle modifiers', ()=>{
        expect(getClassMeta('<input {{foo}} >').length).toEqual(1);
    });
    it('able to handle blocks', ()=>{
        expect(getClassMeta('{{#foo}}{{/foo}}').length).toEqual(1);
    });
    it('able to handle block components', ()=>{
        expect(getClassMeta('<Boo as |a|></Boo>').length).toEqual(1);
    });

    it('able to handle pure mustache with subexp', ()=>{
        expect(getClassMeta('{{foo (bar)}}')[0].length).toEqual(2);
    });
    it('able to handle modifiers with subexp', ()=>{
        expect(getClassMeta('<input {{foo (bar)}} >')[0].length).toEqual(2);
    });
    it('able to handle blocks with subexp', ()=>{
        expect(getClassMeta('{{#foo (bar)}}{{/foo}}')[0].length).toEqual(2);
    });
});

describe('cleanComment', () => {
    it('able to remove script tag from comment', ()=>{
        expect(cleanComment(`<script>foo</script>`)).toEqual('foo');
    });
    it('able to remove js comment from line', ()=>{
        expect(cleanComment(` @ts-ignore // foo`)).toEqual('@ts-ignore');
    });
    it('able to remove js comment from multi line', ()=>{
        expect(cleanComment(`
        @ts-ignore // foo
        @ts-ignore // foo
        @ts-ignore // foo
        `)).toEqual(new Array(3).fill('@ts-ignore').join('\n'));
    });
})