.callout-content support (#1188)

Emile Bangma

2024-06-13 81d00fc9c003a37033e0c0d92333801fa94d0633

 quartz/plugins/transformers/ofm.ts

@@ -123,8 +123,8 @@
const highlightRegex = new RegExp(/==([^=]+)==/, "g")
const commentRegex = new RegExp(/%%[\s\S]*?%%/, "g")
// from https://github.com/escwxyz/remark-obsidian-callout/blob/main/src/index.ts
const calloutRegex = new RegExp(/^\[\!(\w+)\]([+-]?)/)
const calloutLineRegex = new RegExp(/^> *\[\!\w+\][+-]?.*$/, "gm")
const calloutRegex = new RegExp(/^\[\!(\w+)\|?(.+?)?\]([+-]?)/)
const calloutLineRegex = new RegExp(/^> *\[\!\w+\|?.*?\][+-]?.*$/, "gm")
// (?:^| )              -> non-capturing group, tag should start be separated by a space or be the start of the line
// #(...)               -> capturing group, tag itself must start with #
// (?:[-_\p{L}\d\p{Z}])+       -> non-capturing group, non-empty string of (Unicode-aware) alpha-numeric characters and symbols, hyphens and/or underscores
@@ -414,8 +414,8 @@
                return
              }

              // find first line
              const firstChild = node.children[0]
              // find first line and callout content
              const [firstChild, ...calloutContent] = node.children
              if (firstChild.type !== "paragraph" || firstChild.children[0]?.type !== "text") {
                return
              }
@@ -427,7 +427,7 @@

              const match = firstLine.match(calloutRegex)
              if (match && match.input) {
                const [calloutDirective, typeString, collapseChar] = match
                const [calloutDirective, typeString, calloutMetaData, collapseChar] = match
                const calloutType = canonicalizeCallout(typeString.toLowerCase())
                const collapse = collapseChar === "+" || collapseChar === "-"
                const defaultState = collapseChar === "-" ? "collapsed" : "expanded"
@@ -489,8 +489,24 @@
                    className: classNames.join(" "),
                    "data-callout": calloutType,
                    "data-callout-fold": collapse,
                    "data-callout-metadata": calloutMetaData,
                  },
                }

                // Add callout-content class to callout body if it has one.
                if (calloutContent.length > 0) {
                  const contentData: BlockContent | DefinitionContent = {
                    data: {
                      hProperties: {
                        className: "callout-content",
                      },
                      hName: "div",
                    },
                    type: "blockquote",
                    children: [...calloutContent],
                  }
                  node.children = [node.children[0], contentData]
                }
              }
            })
          }