Function defineBlocks

packages/blockly/core/common.ts:332–343

(blocks: {[key: string]: BlockDefinition})

 *     type names to block definitions.
 */
export function defineBlocks(blocks: {[key: string]: BlockDefinition}) {
  // Iterate over own enumerable properties.
  for (const type of Object.keys(blocks)) {
    const definition = blocks[type];
    if (type in Blocks) {
      console.warn(
        `Block definition "${type}" overwrites previous definition.`,
      );
    }
    Blocks[type] = definition;
  }
}

/**
 * Handle a key-down on SVG drawing surface. Does nothing if the main workspace