datocms-html-to-structured-text
Version:
Convert HTML (or a `hast` syntax tree) to a valid DatoCMS Structured Text `dast` document
129 lines • 6.55 kB
JavaScript
/* eslint-disable @typescript-eslint/ban-ts-comment */
// @ts-nocheck
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 __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
// @ts-ignore
import minify from 'rehype-minify-whitespace';
import visitNode from './visit-node';
import visitChildren from './visit-children';
import { handlers } from './handlers';
import parse5DocumentToHast from 'hast-util-from-parse5';
import documentToHast from 'hast-util-from-dom';
import { defaultMarks, } from 'datocms-structured-text-utils';
export function htmlToStructuredText(html, options) {
if (options === void 0) { options = {}; }
return __awaiter(this, void 0, void 0, function () {
var document, tree;
return __generator(this, function (_a) {
if (typeof DOMParser === 'undefined') {
throw new Error('DOMParser is not available. Consider using `parse5ToStructuredText` instead!');
}
document = new DOMParser().parseFromString(html, 'text/html');
tree = documentToHast(document);
return [2 /*return*/, hastToStructuredText(tree, options)];
});
});
}
export function parse5ToStructuredText(document, options) {
if (options === void 0) { options = {}; }
return __awaiter(this, void 0, void 0, function () {
var tree;
return __generator(this, function (_a) {
tree = parse5DocumentToHast(document);
return [2 /*return*/, hastToStructuredText(tree, options)];
});
});
}
export function hastToStructuredText(tree, options) {
if (options === void 0) { options = {}; }
return __awaiter(this, void 0, void 0, function () {
var createNode, rootNode;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
minify({ newlines: options.newlines === true })(tree);
createNode = function (type, props) {
props.type = type;
return props;
};
if (typeof options.preprocess === 'function') {
options.preprocess(tree);
}
return [4 /*yield*/, visitNode(createNode, tree, {
parentNodeType: 'root',
parentNode: null,
defaultHandlers: handlers,
handlers: Object.assign({}, handlers, options.handlers || {}),
wrapText: true,
allowedBlocks: Array.isArray(options.allowedBlocks)
? options.allowedBlocks
: ['blockquote', 'code', 'heading', 'link', 'list'],
allowedMarks: Array.isArray(options.allowedMarks)
? options.allowedMarks
: defaultMarks,
allowedHeadingLevels: Array.isArray(options.allowedHeadingLevels)
? options.allowedHeadingLevels
: [1, 2, 3, 4, 5, 6],
global: __assign({ baseUrl: null, baseUrlFound: false }, (options.shared || {})),
})];
case 1:
rootNode = _a.sent();
if (rootNode) {
return [2 /*return*/, {
schema: 'dast',
document: rootNode,
}];
}
return [2 /*return*/, null];
}
});
});
}
export { visitNode, visitChildren };
export * from './types';
//# sourceMappingURL=index.js.map