@wordpress/blocks/build-module/api/parser/index.js

Block API for WordPress.

// packages/blocks/src/api/parser/index.js
import { parse as grammarParse } from "@wordpress/block-serialization-default-parser";
import { autop } from "@wordpress/autop";
import {
  getFreeformContentHandlerName,
  getUnregisteredTypeHandlerName,
  getBlockType
} from "../registration";
import { getSaveContent } from "../serializer";
import { validateBlock } from "../validation";
import { createBlock } from "../factory";
import { convertLegacyBlockNameAndAttributes } from "./convert-legacy-block";
import { serializeRawBlock } from "./serialize-raw-block";
import { getBlockAttributes } from "./get-block-attributes";
import { applyBlockDeprecatedVersions } from "./apply-block-deprecated-versions";
import { applyBuiltInValidationFixes } from "./apply-built-in-validation-fixes";
function convertLegacyBlocks(rawBlock) {
  const [correctName, correctedAttributes] = convertLegacyBlockNameAndAttributes(
    rawBlock.blockName,
    rawBlock.attrs
  );
  return {
    ...rawBlock,
    blockName: correctName,
    attrs: correctedAttributes
  };
}
function normalizeRawBlock(rawBlock, options) {
  const fallbackBlockName = getFreeformContentHandlerName();
  const rawBlockName = rawBlock.blockName || getFreeformContentHandlerName();
  const rawAttributes = rawBlock.attrs || {};
  const rawInnerBlocks = rawBlock.innerBlocks || [];
  let rawInnerHTML = rawBlock.innerHTML.trim();
  if (rawBlockName === fallbackBlockName && rawBlockName === "core/freeform" && !options?.__unstableSkipAutop) {
    rawInnerHTML = autop(rawInnerHTML).trim();
  }
  return {
    ...rawBlock,
    blockName: rawBlockName,
    attrs: rawAttributes,
    innerHTML: rawInnerHTML,
    innerBlocks: rawInnerBlocks
  };
}
function createMissingBlockType(rawBlock) {
  const unregisteredFallbackBlock = getUnregisteredTypeHandlerName() || getFreeformContentHandlerName();
  const originalUndelimitedContent = serializeRawBlock(rawBlock, {
    isCommentDelimited: false
  });
  const originalContent = serializeRawBlock(rawBlock, {
    isCommentDelimited: true
  });
  return {
    blockName: unregisteredFallbackBlock,
    attrs: {
      originalName: rawBlock.blockName,
      originalContent,
      originalUndelimitedContent
    },
    innerHTML: rawBlock.blockName ? originalContent : rawBlock.innerHTML,
    innerBlocks: rawBlock.innerBlocks,
    innerContent: rawBlock.innerContent
  };
}
function applyBlockValidation(unvalidatedBlock, blockType) {
  const [isValid] = validateBlock(unvalidatedBlock, blockType);
  if (isValid) {
    return { ...unvalidatedBlock, isValid, validationIssues: [] };
  }
  const fixedBlock = applyBuiltInValidationFixes(
    unvalidatedBlock,
    blockType
  );
  const [isFixedValid, validationIssues] = validateBlock(
    fixedBlock,
    blockType
  );
  return { ...fixedBlock, isValid: isFixedValid, validationIssues };
}
function parseRawBlock(rawBlock, options) {
  let normalizedBlock = normalizeRawBlock(rawBlock, options);
  normalizedBlock = convertLegacyBlocks(normalizedBlock);
  let blockType = getBlockType(normalizedBlock.blockName);
  if (!blockType) {
    normalizedBlock = createMissingBlockType(normalizedBlock);
    blockType = getBlockType(normalizedBlock.blockName);
  }
  const isFallbackBlock = normalizedBlock.blockName === getFreeformContentHandlerName() || normalizedBlock.blockName === getUnregisteredTypeHandlerName();
  if (!blockType || !normalizedBlock.innerHTML && isFallbackBlock) {
    return;
  }
  const parsedInnerBlocks = normalizedBlock.innerBlocks.map((innerBlock) => parseRawBlock(innerBlock, options)).filter((innerBlock) => !!innerBlock);
  const parsedBlock = createBlock(
    normalizedBlock.blockName,
    getBlockAttributes(
      blockType,
      normalizedBlock.innerHTML,
      normalizedBlock.attrs
    ),
    parsedInnerBlocks
  );
  parsedBlock.originalContent = normalizedBlock.innerHTML;
  const validatedBlock = applyBlockValidation(parsedBlock, blockType);
  const { validationIssues } = validatedBlock;
  const updatedBlock = applyBlockDeprecatedVersions(
    validatedBlock,
    normalizedBlock,
    blockType
  );
  if (!updatedBlock.isValid) {
    updatedBlock.__unstableBlockSource = rawBlock;
  }
  if (!validatedBlock.isValid && updatedBlock.isValid && !options?.__unstableSkipMigrationLogs) {
    console.groupCollapsed("Updated Block: %s", blockType.name);
    console.info(
      "Block successfully updated for `%s` (%o).\n\nNew content generated by `save` function:\n\n%s\n\nContent retrieved from post body:\n\n%s",
      blockType.name,
      blockType,
      getSaveContent(blockType, updatedBlock.attributes),
      updatedBlock.originalContent
    );
    console.groupEnd();
  } else if (!validatedBlock.isValid && !updatedBlock.isValid) {
    validationIssues.forEach(({ log, args }) => log(...args));
  }
  return updatedBlock;
}
function parse(content, options) {
  return grammarParse(content).reduce((accumulator, rawBlock) => {
    const block = parseRawBlock(rawBlock, options);
    if (block) {
      accumulator.push(block);
    }
    return accumulator;
  }, []);
}
export {
  parse as default,
  normalizeRawBlock,
  parseRawBlock
};
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