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fix(selectors): continue matching after first fail for combined selectors (#1185)

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Dmitry Gozman 2020-03-02 15:47:50 -08:00 committed by GitHub
parent 342e79c5b4
commit 342a2cf5cc
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2 changed files with 18 additions and 7 deletions
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20
src/injected/injected.ts
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@ -68,14 +68,20 @@ class Injected {
const parsed = this._parseSelector(selector);
if (!(root as any)['querySelector'])
throw new Error('Node is not queryable.');
let element = root as SelectorRoot;
for (const { engine, selector } of parsed) {
const next = engine.query((element as Element).shadowRoot || element, selector);
if (!next)
return;
element = next;
return this._querySelectorRecursively(root as SelectorRoot, parsed, 0);
}
private _querySelectorRecursively(root: SelectorRoot, parsed: ParsedSelector, index: number): Element | undefined {
const current = parsed[index];
root = (root as Element).shadowRoot || root;
if (index === parsed.length - 1)
return current.engine.query(root, current.selector);
const all = current.engine.queryAll(root, current.selector);
for (const next of all) {
const result = this._querySelectorRecursively(next, parsed, index + 1);
if (result)
return result;
}
return element as Element;
}
querySelectorAll(selector: string, root: Node): Element[] {

5
test/queryselector.spec.js
View File

@ -126,6 +126,11 @@ module.exports.describe = function({testRunner, expect, selectors, FFOX, CHROMIU
const text4 = await page.$eval('xpath=/html/body/section/div >> css=div >> css=span', e => e.textContent);
expect(text4).toBe('Hello from root2');
});
it('should not stop at first failure with >> syntax', async({page, server}) => {
await page.setContent('<div><span>Next</span><button>Previous</button><button>Next</button></div>');
const html = await page.$eval('button >> "Next"', e => e.outerHTML);
expect(html).toBe('<button>Next</button>');
});
});
describe('Page.$$eval', function() {