42 lines
1.2 KiB
JavaScript
42 lines
1.2 KiB
JavaScript
'use strict';
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const BLOCK_KIND_ORDER = { text: 0, code: 1, table: 2 };
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function blockText(block) {
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if (!block || typeof block !== 'object') return '';
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for (const key of ['code', 'text', 'body', 'value', 'content']) {
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const value = block[key];
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if (value != null && value !== '') return String(value);
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}
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return '';
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}
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function orderedBlocks(step) {
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const blocks = [];
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for (const tb of step.textBlocks || []) {
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blocks.push({ kind: 'text', ...tb });
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}
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for (const cb of step.codeBlocks || []) {
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blocks.push({ kind: 'code', ...cb, code: blockText(cb) });
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}
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for (const tbl of step.tableBlocks || []) {
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blocks.push({ kind: 'table', ...tbl });
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}
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return blocks.sort((a, b) => (
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(Number.isFinite(a.order) ? a.order : 0) - (Number.isFinite(b.order) ? b.order : 0)
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|| (BLOCK_KIND_ORDER[a.kind] - BLOCK_KIND_ORDER[b.kind])
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|| String(a.id || '').localeCompare(String(b.id || ''))
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));
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}
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function nextBlockOrder(step) {
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return orderedBlocks(step).reduce((max, block) => Math.max(max, Number.isFinite(block.order) ? block.order : 0), 0) + 1;
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}
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module.exports = {
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BLOCK_KIND_ORDER,
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blockText,
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orderedBlocks,
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nextBlockOrder,
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};
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