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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.makeArtworkURLTemplate = void 0;
const validation = require("../json/validation");
const optional_1 = require("../types/optional");
const urls_1 = require("../util/urls");
/**
* Regex to parse artwork URL template string.
*/
const URL_TEMPLATE_PARSER = new RegExp("^({w}|[0-9]+(?:.[0-9]*)?)x({h}|[0-9]+(?:.[0-9]*)?)({c}|[a-z]{2}).({f}|[a-z]+)$");
/**
* Create an instance of artwork URL template from string.
* @param fromString - String to create artwork URL template from.
* @returns A new artwork URL template or `null` if string
* does not represent a valid artwork URL template.
*/
function makeArtworkURLTemplate(fromString) {
// A valid URL that ends with '{w}x{h}{c}.{f}'
// with any of placeholders possibly resolved to an actual value.
const url = new urls_1.URL(fromString);
if (url.pathname === undefined) {
validation.context("makeArtworkURLTemplate", () => {
validation.unexpectedType("ignoredValue", "A valid URL string", fromString);
});
return null;
}
// Expecting 5 matches: whole string + width, height, crop code and format.
const lastPathComponent = fromString.substring(fromString.lastIndexOf("/") + 1);
const matches = URL_TEMPLATE_PARSER.exec(lastPathComponent);
if ((0, optional_1.isNothing)(matches) || matches.length !== 5) {
validation.context("makeArtworkURLTemplate", () => {
validation.unexpectedType("ignoredValue", "A valid artwork URL template ending with {w}x{h}{c}.{f} format", lastPathComponent);
});
return null;
}
return fromString;
}
exports.makeArtworkURLTemplate = makeArtworkURLTemplate;
//# sourceMappingURL=artwork.js.map
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