How to use the Condition function from selenium-webdriver

QueryFactory.js

GitHub: fgnass/friendly-webdriver

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    driver => this.findOne(scope || driver).catch(() => null)
  );
};

Query.prototype.untilSome = function (scope) {
  return new webdriver.Condition(`for ${this}`,
    driver => this.findAll(scope || driver).then(
      list => (list && list.length ? list : null)
    )
  );

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webdriverAccess.js

GitHub: alibaba/rax

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  return null;
}

function waitForCondition(driver) {
  return async function(text, fn, timeout) {
    return await driver.wait(new Condition(text, fn), timeout);
  };
}

// driver.findElement(By.xpath("//tbody/tr[1]/td[1]")).getText().then(...) can throw a stale element error:

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+ 3 other calls in file

until.js

GitHub: ajaxscape/tamarin

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  throw new Error('World must be defined')
}

until = until || webDriver.until
_.extend(until, {
  foundInPage: (selector) => new webDriver.Condition(`for $("${selector}") to be found in page`, co(function * (selector) {
    const driver = yield world.getDriver()
    return yield driver.findElement(By.css(selector))
      .then(() => true)
      .catch(() => false)

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+ 7 other calls in file

conditions.js

GitHub: fgnass/friendly-webdriver

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const URL = require('url');
const webdriver = require('selenium-webdriver');

const until = webdriver.until;
const Condition = webdriver.Condition;

const builtIns = {

  stale: until.stalenessOf,

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scoped-element.js

GitHub: nightwatchjs/nightwatch

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}

async locateElements({parentElement, selector, timeout, retryInterval}) {
  const createLocateElement = () => {
    return parentElement && parentElement.webElement ? function(locator) {
      return new Condition('for at least one element to be located ' + locator, function (driver) {
        return parentElement.webElement.findElements(locator).then(function (elements) {
          return elements.length > 0 ? elements : null;
        });
      });

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+ 2 other calls in file