DMleadgen
46d973904b
Next.js website for Rocky Mountain Vending company featuring: - Product catalog with Stripe integration - Service areas and parts pages - Admin dashboard with Clerk authentication - SEO optimized pages with JSON-LD structured data Co-authored-by: Cursor <cursoragent@cursor.com>
71 lines
2.2 KiB
Text
71 lines
2.2 KiB
Text
/**
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* @license
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* Copyright 2019 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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import Parser from 'metaviewport-parser';
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import {makeComputedArtifact} from './computed-artifact.js';
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class ViewportMeta {
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/**
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* @param {LH.GathererArtifacts['MetaElements']} MetaElements
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* @return {Promise<ViewportMetaResult>}
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*/
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static async compute_(MetaElements) {
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const viewportMeta = MetaElements.find(meta => meta.name === 'viewport');
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if (!viewportMeta) {
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return {
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hasViewportTag: false,
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isMobileOptimized: false,
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parserWarnings: [],
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rawContentString: undefined,
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};
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}
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const warnings = [];
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const rawContentString = viewportMeta.content || '';
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const parsedProps = Parser.parseMetaViewPortContent(rawContentString);
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if (Object.keys(parsedProps.unknownProperties).length) {
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warnings.push(`Invalid properties found: ${JSON.stringify(parsedProps.unknownProperties)}`);
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}
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if (Object.keys(parsedProps.invalidValues).length) {
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warnings.push(`Invalid values found: ${JSON.stringify(parsedProps.invalidValues)}`);
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}
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const viewportProps = parsedProps.validProperties;
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const initialScale = Number(viewportProps['initial-scale']);
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if (!isNaN(initialScale) && initialScale < 1) {
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return {
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hasViewportTag: true,
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isMobileOptimized: false,
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parserWarnings: warnings,
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rawContentString,
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};
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}
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const isMobileOptimized = Boolean(viewportProps.width || initialScale);
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return {
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hasViewportTag: true,
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isMobileOptimized,
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parserWarnings: warnings,
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rawContentString,
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};
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}
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}
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const ViewportMetaComputed = makeComputedArtifact(ViewportMeta, null);
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export {ViewportMetaComputed as ViewportMeta};
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/**
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* @typedef {object} ViewportMetaResult
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* @property {boolean} hasViewportTag Whether the page has any viewport tag.
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* @property {boolean} isMobileOptimized Whether the viewport tag is optimized for mobile screens.
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* @property {Array<string>} parserWarnings Warnings if the parser encountered invalid content in the viewport tag.
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* @property {string|undefined} rawContentString The `content` attribute value, if a viewport was defined.
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*/
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