caniemail/dist/checks/check-html.js

HTML and CSS Feature Support for Email Clients from caniemail.com

import { ElementType } from 'htmlparser2';
import styleToObject from 'style-to-object';
import { getMatchingAttributeTitles, getMatchingElementAttributePairTitles, getMatchingElementTitles } from '../html-titles.js';
import { LocationIndex } from '../location.js';
import { checkDeclarations } from './check-css.js';
import { checkFeatures } from './check-features.js';
const checkHtmlNode = ({ clients, issues, node, locationIndex }) => {
    const elementTitles = getMatchingElementTitles({ tagName: node.tagName });
    const position = node.sourceCodeLocation ||
        (node.startIndex !== null && node.endIndex !== null
            ? locationIndex.positionOf(node.startIndex, node.endIndex)
            : undefined);
    checkFeatures({ clients, issues, titles: elementTitles, position });
    if (node.attributes !== void 0) {
        const elementAttributePairTitles = getMatchingElementAttributePairTitles({
            attributes: Object.fromEntries(node.attributes.map((attr) => [attr.name, attr.value])),
            tagName: node.tagName
        });
        const attributeTitles = getMatchingAttributeTitles({
            attributes: node.attributes.map((attr) => attr.name)
        });
        checkFeatures({ clients, issues, titles: attributeTitles, position });
        checkFeatures({ clients, issues, titles: elementAttributePairTitles, position });
        const styleAttr = node.attributes.find((attr) => attr.name === 'style');
        if (styleAttr !== void 0) {
            const styleObject = (styleToObject.default ?? styleToObject)(styleAttr.value);
            if (styleObject !== null) {
                // Get the style attribute location
                const attrLoc = styleAttr.sourceCodeLocation;
                const offset = attrLoc
                    ? {
                        line: attrLoc.startLine,
                        column: attrLoc.startCol + 'style="'.length
                    }
                    : undefined;
                const declarations = Object.entries(styleObject).map(([property, value]) => ({
                    property,
                    value: String(value),
                    position
                }));
                checkDeclarations({ clients, declarations, issues, offset });
            }
        }
    }
    if ('childNodes' in node) {
        for (const childNode of node.childNodes) {
            if (childNode.type === ElementType.Tag || childNode.type === ElementType.Style) {
                checkHtmlNode({ clients, issues, node: childNode, locationIndex });
            }
        }
    }
};
export const checkHtml = ({ clients, issues, document, source }) => {
    const locationIndex = new LocationIndex(source);
    for (const childNode of document.childNodes) {
        if (childNode.type === ElementType.Tag) {
            checkHtmlNode({ clients, issues, node: childNode, locationIndex });
        }
    }
};
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