watermanagement-backend-prod/node_modules/@tiptap/extension-character-count/dist/tiptap-extension-character-count.cjs.map

{"version":3,"file":"tiptap-extension-character-count.cjs","sources":["../src/character-count.ts"],"sourcesContent":["import { Extension } from '@tiptap/core'\nimport { Node as ProseMirrorNode } from 'prosemirror-model'\nimport { Plugin, PluginKey } from 'prosemirror-state'\n\nexport interface CharacterCountOptions {\n  /**\n   * The maximum number of characters that should be allowed. Defaults to `0`.\n   */\n  limit: number | null | undefined,\n  /**\n   * The mode by which the size is calculated. Defaults to 'textSize'.\n   */\n  mode: 'textSize' | 'nodeSize',\n}\n\nexport interface CharacterCountStorage {\n  /**\n   * Get the number of characters for the current document.\n   */\n  characters: (options?: {\n    node?: ProseMirrorNode,\n    mode?: 'textSize' | 'nodeSize',\n  }) => number,\n\n  /**\n   * Get the number of words for the current document.\n   */\n  words: (options?: {\n    node?: ProseMirrorNode,\n  }) => number,\n}\n\nexport const CharacterCount = Extension.create<CharacterCountOptions, CharacterCountStorage>({\n  name: 'characterCount',\n\n  addOptions() {\n    return {\n      limit: null,\n      mode: 'textSize',\n    }\n  },\n\n  addStorage() {\n    return {\n      characters: () => 0,\n      words: () => 0,\n    }\n  },\n\n  onBeforeCreate() {\n    this.storage.characters = options => {\n      const node = options?.node || this.editor.state.doc\n      const mode = options?.mode || this.options.mode\n\n      if (mode === 'textSize') {\n        const text = node.textBetween(0, node.content.size, undefined, ' ')\n\n        return text.length\n      }\n\n      return node.nodeSize\n    }\n\n    this.storage.words = options => {\n      const node = options?.node || this.editor.state.doc\n      const text = node.textBetween(0, node.content.size, ' ', ' ')\n      const words = text\n        .split(' ')\n        .filter(word => word !== '')\n\n      return words.length\n    }\n  },\n\n  addProseMirrorPlugins() {\n    return [\n      new Plugin({\n        key: new PluginKey('characterCount'),\n        filterTransaction: (transaction, state) => {\n          const limit = this.options.limit\n\n          // Nothing has changed or no limit is defined. Ignore it.\n          if (!transaction.docChanged || limit === 0 || limit === null || limit === undefined) {\n            return true\n          }\n\n          const oldSize = this.storage.characters({ node: state.doc })\n          const newSize = this.storage.characters({ node: transaction.doc })\n\n          // Everything is in the limit. Good.\n          if (newSize <= limit) {\n            return true\n          }\n\n          // The limit has already been exceeded but will be reduced.\n          if (oldSize > limit && newSize > limit && newSize <= oldSize) {\n            return true\n          }\n\n          // The limit has already been exceeded and will be increased further.\n          if (oldSize > limit && newSize > limit && newSize > oldSize) {\n            return false\n          }\n\n          const isPaste = transaction.getMeta('paste')\n\n          // Block all exceeding transactions that were not pasted.\n          if (!isPaste) {\n            return false\n          }\n\n          // For pasted content, we try to remove the exceeding content.\n          const pos = transaction.selection.$head.pos\n          const over = newSize - limit\n          const from = pos - over\n          const to = pos\n\n          // It’s probably a bad idea to mutate transactions within `filterTransaction`\n          // but for now this is working fine.\n          transaction.deleteRange(from, to)\n\n          // In some situations, the limit will continue to be exceeded after trimming.\n          // This happens e.g. when truncating within a complex node (e.g. table)\n          // and ProseMirror has to close this node again.\n          // If this is the case, we prevent the transaction completely.\n          const updatedSize = this.storage.characters({ node: transaction.doc })\n\n          if (updatedSize > limit) {\n            return false\n          }\n\n