datocms-structured-text-generic-html-renderer
Version:
A set of Typescript types and helpers to work with DatoCMS Structured Text fields
142 lines • 7.42 kB
JavaScript
;
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
if (ar || !(i in from)) {
if (!ar) ar = Array.prototype.slice.call(from, 0, i);
ar[i] = from[i];
}
}
return to.concat(ar || Array.prototype.slice.call(from));
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.defaultMetaTransformer = exports.renderNodeRule = exports.RenderError = void 0;
exports.markToTagName = markToTagName;
exports.renderSpanValue = renderSpanValue;
exports.renderMarkRule = renderMarkRule;
exports.spanNodeRenderRule = spanNodeRenderRule;
exports.render = render;
var datocms_structured_text_utils_1 = require("datocms-structured-text-utils");
Object.defineProperty(exports, "RenderError", { enumerable: true, get: function () { return datocms_structured_text_utils_1.RenderError; } });
Object.defineProperty(exports, "renderNodeRule", { enumerable: true, get: function () { return datocms_structured_text_utils_1.renderRule; } });
function markToTagName(mark) {
switch (mark) {
case 'emphasis':
return 'em';
case 'underline':
return 'u';
case 'strikethrough':
return 's';
case 'highlight':
return 'mark';
default:
return mark;
}
}
function renderSpanValue(_a) {
var node = _a.node, key = _a.key, _b = _a.adapter, renderNode = _b.renderNode, renderText = _b.renderText, renderFragment = _b.renderFragment;
var lines = node.value.split(/\n/);
if (lines.length === 0) {
return renderText(node.value, key);
}
return renderFragment(lines.slice(1).reduce(function (acc, line, index) {
return acc.concat([
renderNode('br', { key: "".concat(key, "-br-").concat(index) }),
renderText(line, "".concat(key, "-line-").concat(index)),
]);
}, [renderText(lines[0], "".concat(key, "-line-first"))]), key);
}
function renderMarkRule(guard, transform) {
return {
appliable: typeof guard === 'string' ? function (mark) { return mark === guard; } : guard,
apply: transform,
};
}
function spanNodeRenderRule(_a) {
var customMarkRules = _a.customMarkRules;
return (0, datocms_structured_text_utils_1.renderRule)(datocms_structured_text_utils_1.isSpan, function (context) {
var adapter = context.adapter, key = context.key, node = context.node;
return (node.marks || []).reduce(function (children, mark) {
if (!children) {
return undefined;
}
var matchingCustomRule = customMarkRules.find(function (rule) {
return rule.appliable(mark);
});
if (matchingCustomRule) {
return matchingCustomRule.apply({ adapter: adapter, key: key, mark: mark, children: children });
}
return adapter.renderNode(markToTagName(mark), { key: key }, children);
}, renderSpanValue(context));
});
}
var defaultMetaTransformer = function (_a) {
var meta = _a.meta;
var attributes = {};
for (var _i = 0, meta_1 = meta; _i < meta_1.length; _i++) {
var entry = meta_1[_i];
if (['target', 'title', 'rel'].includes(entry.id)) {
attributes[entry.id] = entry.value;
}
}
return attributes;
};
exports.defaultMetaTransformer = defaultMetaTransformer;
function render(structuredTextOrNode, options) {
var metaTransformer = options.metaTransformer || exports.defaultMetaTransformer;
return (0, datocms_structured_text_utils_1.render)(options.adapter, structuredTextOrNode, __spreadArray(__spreadArray([], (options.customNodeRules || []), true), [
(0, datocms_structured_text_utils_1.renderRule)(datocms_structured_text_utils_1.isRoot, function (_a) {
var renderFragment = _a.adapter.renderFragment, key = _a.key, children = _a.children;
return renderFragment(children, key);
}),
(0, datocms_structured_text_utils_1.renderRule)(datocms_structured_text_utils_1.isParagraph, function (_a) {
var renderNode = _a.adapter.renderNode, key = _a.key, children = _a.children;
return renderNode('p', { key: key }, children);
}),
(0, datocms_structured_text_utils_1.renderRule)(datocms_structured_text_utils_1.isList, function (_a) {
var renderNode = _a.adapter.renderNode, node = _a.node, key = _a.key, children = _a.children;
return renderNode(node.style === 'bulleted' ? 'ul' : 'ol', { key: key }, children);
}),
(0, datocms_structured_text_utils_1.renderRule)(datocms_structured_text_utils_1.isListItem, function (_a) {
var renderNode = _a.adapter.renderNode, key = _a.key, children = _a.children;
return renderNode('li', { key: key }, children);
}),
(0, datocms_structured_text_utils_1.renderRule)(datocms_structured_text_utils_1.isBlockquote, function (_a) {
var renderNode = _a.adapter.renderNode, key = _a.key, node = _a.node, children = _a.children;
var childrenWithAttribution = node.attribution
? __spreadArray(__spreadArray([], (children || []), true), [
renderNode("footer", { key: 'footer' }, node.attribution),
], false) : children;
return renderNode('blockquote', { key: key }, childrenWithAttribution);
}),
(0, datocms_structured_text_utils_1.renderRule)(datocms_structured_text_utils_1.isCode, function (_a) {
var _b = _a.adapter, renderNode = _b.renderNode, renderText = _b.renderText, key = _a.key, node = _a.node;
return renderNode('pre', { key: key, 'data-language': node.language }, renderNode('code', null, renderText(node.code)));
}),
(0, datocms_structured_text_utils_1.renderRule)(datocms_structured_text_utils_1.isLink, function (_a) {
var renderNode = _a.adapter.renderNode, key = _a.key, children = _a.children, node = _a.node;
var meta = node.meta ? metaTransformer({ node: node, meta: node.meta }) : {};
return renderNode('a', __assign(__assign({}, (meta || {})), { key: key, href: node.url }), children);
}),
(0, datocms_structured_text_utils_1.renderRule)(datocms_structured_text_utils_1.isThematicBreak, function (_a) {
var renderNode = _a.adapter.renderNode, key = _a.key;
return renderNode('hr', { key: key });
}),
(0, datocms_structured_text_utils_1.renderRule)(datocms_structured_text_utils_1.isHeading, function (_a) {
var node = _a.node, renderNode = _a.adapter.renderNode, children = _a.children, key = _a.key;
return renderNode("h".concat(node.level), { key: key }, children);
}),
spanNodeRenderRule({ customMarkRules: options.customMarkRules || [] }),
], false));
}
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