Function pre

Extension/gulpfile.js:101–121

(node, parent)

    const htmlTree = isFragment ? parse5.parseFragment(contents) : parse5.parse(contents);
    traverse(htmlTree, {
        pre(node, parent) {
            if (node.attrs) {
                // Check if content text should be localized based on presense of data-loc-id attribute
                let locId = node.attrs.find(attribute => attribute.name.toLowerCase() == dataLocIdAttribute);
                if (locId) {
                    let locHint = node.attrs.find(attribute => attribute.name.toLowerCase() == dataLocHintAttribute);
                    nodeCallback(locId.value, locHint?.value, node);
                }
                // Check if an attribute should be localized based on presense of data-loc-id-<attribute_name> attribute
                node.attrs.forEach(attribute => {
                    if (attribute.name.startsWith(`${dataLocIdAttribute}-`)) {
                        let targetAttributeName = attribute.name.substring(dataLocIdAttribute.length + 1);
                        let targetAttribute = node.attrs.find(a => a.name == targetAttributeName);
                        if (targetAttribute) {
                            let hint = node.attrs.find(a => a.name.toLowerCase() == `${dataLocHintAttribute}-${targetAttributeName}`);
                            attributeCallback(attribute.value, hint?.value, targetAttribute);
                        }
                    }
                });
            }
        }
    });
    return htmlTree;
};