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recipeView.js
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recipeView.js
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import { elements, elementStrings } from './base';
import { Fraction } from 'fractional';
export const clearRecipe = () => {
elements.recipe.innerHTML = '';
};
// look into documentation of fraction.js @https://github.com/ekg/fraction.js/
const formatCount = count => {
if (count) {
// count = 2.5 --> 2 1/2
// count = 0.5 --> 1/2
const [int, dec] = count.toString().split('.').map(el => parseInt(el, 10));
// count = 2 --> 2 // there's no dec
if (!dec) return count;
// count = 0.5 --> 1/2
if (int === 0) {
const fr = new Fraction(count);
return `${fr.numerator}/${fr.denominator}`;
} else {
// count = 2.5 --> 2 1/2
// if we create a fraction for 2.5, we will get 5/2, which we don't want. Therefore,
// we will create a fraction only for 0.5 and append it to 2. For that, we would
// take the difference between the count and the int and pass it to the Fraction's constructor.
const fr = new Fraction(count - int);
const numerator = parseInt(fr.numerator.toString().slice(0, 1));
const denominator = fr.denominator.toString();
const sliceTill = (denominator.length > 1) ? 2 : 1;
return `${int} ${numerator}/${parseInt(denominator.slice(0, sliceTill))}`;
}
}
return 1;
};
const createIngredient = ingredient => `
<li class="recipe__item">
<svg class="recipe__icon">
<use href="img/icons.svg#icon-check"></use>
</svg>
<div class="recipe__count">${formatCount(ingredient.count)}</div>
<div class="recipe__ingredient">
<span class="recipe__unit">${ingredient.unit}</span>
${ingredient.ingredient}
</div>
</li>
`;
export const renderRecipe = recipe => {
// we get the markup under .recipe class in index.html
const markup = `
<figure class="recipe__fig">
<img src="${recipe.img}" alt="${recipe.title}" class="recipe__img">
<h1 class="recipe__title">
<span>${recipe.title}</span>
</h1>
</figure>
<div class="recipe__details">
<div class="recipe__info">
<svg class="recipe__info-icon">
<use href="img/icons.svg#icon-stopwatch"></use>
</svg>
<span class="recipe__info-data recipe__info-data--minutes">${recipe.time}</span>
<span class="recipe__info-text"> minutes</span>
</div>
<div class="recipe__info">
<svg class="recipe__info-icon">
<use href="img/icons.svg#icon-man"></use>
</svg>
<span class="recipe__info-data recipe__info-data--people">${recipe.servings}</span>
<span class="recipe__info-text"> servings</span>
<div class="recipe__info-buttons">
<button class="btn-tiny btn-decrease">
<svg>
<use href="img/icons.svg#icon-circle-with-minus"></use>
</svg>
</button>
<button class="btn-tiny btn-increase">
<svg>
<use href="img/icons.svg#icon-circle-with-plus"></use>
</svg>
</button>
</div>
</div>
<button class="recipe__love">
<svg class="header__likes">
<use href="img/icons.svg#icon-heart-outlined"></use>
</svg>
</button>
</div>
<div class="recipe__ingredients">
<ul class="recipe__ingredient-list">
<!--
We don't know the number of ingredients that'll be in a recipe, therefore, we have to loop
through the number of ingredients and then create the list element for each ingredient of recipe
-->
${recipe.ingredients.map(el => createIngredient(el)).join('')}
</ul>
<button class="btn-small recipe__btn">
<svg class="search__icon">
<use href="img/icons.svg#icon-shopping-cart"></use>
</svg>
<span>Add to shopping list</span>
</button>
</div>
<div class="recipe__directions">
<h2 class="heading-2">How to cook it</h2>
<p class="recipe__directions-text">
This recipe was carefully designed and tested by
<span class="recipe__by">${recipe.author}</span>. Please check out directions at their website.
</p>
<a class="btn-small recipe__btn" href="${recipe.url}" target="_blank">
<span>Directions</span>
<svg class="search__icon">
<use href="img/icons.svg#icon-triangle-right"></use>
</svg>
</a>
</div>
`;
elements.recipe.insertAdjacentHTML('afterbegin', markup);
};
export const updateServingsAndIngredients = recipe => {
// Update the number of servings on UI
document.querySelector(`.${elementStrings.servings}`).textContent = recipe.servings;
// Update the ingredient quantities (i.e., count) on UI
const ingredientQuantities = Array.from(document.querySelectorAll(`.${elementStrings.ingredientQuantity}`));
ingredientQuantities.forEach((el, idx) => {
el.textContent = formatCount(recipe.ingredients[idx].count);
});
};