gatsby-source-netlify-lfs/lib/initNetlifyLfsImageData.js

Use Netlify's Git LFS Transform Image API with gatsby-image

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.netlifyLfsUrlBuilder = exports.initNetlifyLfsImageData = void 0;
const gatsby_plugin_image_1 = require("gatsby-plugin-image");
const initNetlifyLfsImageData = (imageData, defaultArgs = {}) => ((args) => getNetlifyLfsImageData(imageData, Object.assign(Object.assign({}, defaultArgs), args)));
exports.initNetlifyLfsImageData = initNetlifyLfsImageData;
const getNetlifyLfsImageData = (imgDimensions, args) => {
    const { publicURL: baseUrl, } = args;
    const imgFileName = basename(baseUrl);
    const imgFileType = fileType(imgFileName).toLowerCase();
    const imgDimension = imgDimensions[imgFileName];
    if (imgDimension == null)
        return null;
    const { h: sourceHeight, w: sourceWidth, p: placeholderURL, b: backgroundColor } = imgDimension;
    const gatsbyImageData = (0, gatsby_plugin_image_1.getImageData)(Object.assign({ pluginName: `gatsby-source-netlify-lfs`, urlBuilder: exports.netlifyLfsUrlBuilder, baseUrl,
        sourceHeight,
        sourceWidth, aspectRatio: sourceWidth / sourceHeight, placeholderURL,
        backgroundColor }, args));
    if (args.sizes)
        gatsbyImageData.images.fallback.sizes = args.sizes;
    gatsbyImageData.images.fallback.src = baseUrl;
    const shouldRemoveSrcSet = imgFileType == 'svg' || imgFileType == 'gif';
    if (shouldRemoveSrcSet)
        gatsbyImageData.images.fallback.srcSet = undefined;
    return gatsbyImageData;
};
const netlifyLfsUrlBuilder = (args) => {
    const { baseUrl, height, width } = args;
    return `${baseUrl}${nf_resize(width, height)}`;
};
exports.netlifyLfsUrlBuilder = netlifyLfsUrlBuilder;
function nf_resize(width = 0, height = 0, resize = 'smartcrop') {
    if (!width && !height)
        return '';
    let urlParams = `?nf_resize=${resize}`;
    if (width > 0)
        urlParams += `&w=${width}`;
    if (height > 0)
        urlParams += `&h=${height}`;
    return urlParams;
}
const basename = (path) => path.split('/').pop();
const fileType = (fileName) => fileName.split('.').pop();
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