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Pollsr

Pollsr is a minimalist library to dynamically create polls with a elegante default theme.

Instanciate on the fly with lazyload, dynamic import or intersection observer for more flexibility and better UX performance.

Installation

The plugin is available as the pollsr package name on npm.

npm i --save-dev pollsr

yarn add --dev pollsr

Demo

Online demo is available on yoriiis.github.io/pollsr.

The project includes also several examples of Pollsr implementation.

JSON structure

The Pollsr project includes a minimalist JSON example in the folder ./examples/datas.json.

In case of JSON fields updates, use the PollsrTemplate and update getTemplate and getAnswersList function according to your needs.

{
    "id": "",
    "question": "",
    "answers": [
        {
            "id": "",
            "title": "",
            "image": ""
        }
    ]
}

Basic usage

Instanciate the Pollsr element like the following example.

The hasVoted parameter must be set at initialize to reflect if the user has already voted. On vote action, the parameter is automatically updated.

The onAction parameter allows to call a function on the vote action, for example save the data with a http request, in the browser storage or what you want.

<div id="pollsr-1"></div>

import { PollsrCore } from "pollsr";
import datas from "datas.json";
 
const pollsrCore = new PollsrCore({
    element: document.querySelector("#pollsr-1"),
    datas: datas,
    hasVoted: false,
    onAction: answerId => {
        // Put here the action on answer click event (post, fetch, localStorage, etc.)
    }
});

Options

You can pass configuration options to PollsrCore. Example below show all default values.

{
    element: null,
    template: null,
    datas: null,
    hasVoted: false,
    onAction: null
}

• element - {HTMLElement} - DOM element reference
• template - {Class} - Override the default template
• datas - {Object} - JSON datas for the Pollsr
• onAction - {Function} - Function executes on answer click
• hasVoted - {Boolean} - Is the answer already voted?

Using a custom template

Custom template allows to override default behaviors with a custom class which extends PollsrTemplate. Please, respect the naming of the PollsrTemplate methods to overrides them.

Create a new file custom-pollsr-template.js for the custom template. Example below override the default template. The super keyword (optional) allow to keep the default behavior and add somes code.

import { PollsrTemplate } from "pollsr";
 
class CustomTemplate extends PollsrTemplate {
 
    updateTemplateAfterVote() {
        super.updateTemplateAfterVote();
 
        this.options.element
            .querySelector(`.pollsr-button[data-answer-id="${answerId}"]`)
            .parentNode.classList.add("active");
    }
 
    getTemplate(datas) {
        return `<div class="pollsr${this.options.hasVoted ? " has-voted" : ""}">
                    <p class="pollsr-question">Hey, ${datas.question}</p>
                    <ul class="pollsr-answers">
                        ${this.getAnswersList(datas.answers)}
                    </ul>
                    <a href="https://www.themoviedb.org" class="pollsr-footer">Source: TMDb</a>
                </div>`;
    }
}

Next step, import custom-pollsr-template.js file and use it as parameter template of PollsrCore class.

import { PollsrCore } from "pollsr";
import CustomTemplate from "./custom-pollsr-template.js";
import datas from "datas.json";
 
let pollsrCore = new PollsrCore({
    element: document.querySelector("#poll-4490"),
    datas: datas,
    template: new CustomTemplate()
});
 
pollsrCore.create();

Available methods

Each pollsr instanciation return the instance of the class with somes available methods to easily manipulate the poll.

Destroy

The destroy() function automatically destroy pollsrCore and pollsrTemplate instances.

pollsrCore.destroy();

Licence

Pollsr and his documentation are licensed under the MIT License.

Created with ♥ by @yoriiis.