npmc/node_modules/ink/build/squash-text-nodes.js

a package manager for JavaScript

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _dom = require("./dom");

// Squashing text nodes allows to combine multiple text nodes into one and write
// to `Output` instance only once. For example, <Text>hello{' '}world</Text>
// is actually 3 text nodes, which would result 3 writes to `Output`.
//
// Also, this is necessary for libraries like ink-link (https://github.com/sindresorhus/ink-link),
// which need to wrap all children at once, instead of wrapping 3 text nodes separately.
const squashTextNodes = node => {
  if (!Array.isArray(node.childNodes) || node.childNodes.length === 0) {
    return node;
  }

  const childNodes = node.childNodes.map(squashTextNodes);
  const isAllTextNodes = childNodes.every(node => {
    return Boolean(node.nodeValue) || node.nodeName === 'SPAN' && Boolean(node.textContent);
  });

  if (isAllTextNodes) {
    let text = '';
    childNodes.forEach(node => {
      text += node.nodeValue || node.textContent;
    });
    node.childNodes = [(0, _dom.createTextNode)(text)];
  } else {
    node.childNodes = childNodes;
  }

  return node;
};

var _default = squashTextNodes;
exports.default = _default;