Refactor routing in App component to enhance navigation and improve error handling by integrating dynamic routes and updating the NotFound route.

node_modules/micromark-extension-gfm-table/lib/edit-map.js

@@ -0,0 +1,202 @@
+/**
+ * @import {Event} from 'micromark-util-types'
+ */
+
+// Port of `edit_map.rs` from `markdown-rs`.
+// This should move to `markdown-js` later.
+
+// Deal with several changes in events, batching them together.
+//
+// Preferably, changes should be kept to a minimum.
+// Sometimes, it’s needed to change the list of events, because parsing can be
+// messy, and it helps to expose a cleaner interface of events to the compiler
+// and other users.
+// It can also help to merge many adjacent similar events.
+// And, in other cases, it’s needed to parse subcontent: pass some events
+// through another tokenizer and inject the result.
+
+/**
+ * @typedef {[number, number, Array<Event>]} Change
+ * @typedef {[number, number, number]} Jump
+ */
+
+/**
+ * Tracks a bunch of edits.
+ */
+export class EditMap {
+  /**
+   * Create a new edit map.
+   */
+  constructor() {
+    /**
+     * Record of changes.
+     *
+     * @type {Array<Change>}
+     */
+    this.map = [];
+  }
+
+  /**
+   * Create an edit: a remove and/or add at a certain place.
+   *
+   * @param {number} index
+   * @param {number} remove
+   * @param {Array<Event>} add
+   * @returns {undefined}
+   */
+  add(index, remove, add) {
+    addImplementation(this, index, remove, add);
+  }
+
+  // To do: add this when moving to `micromark`.
+  // /**
+  //  * Create an edit: but insert `add` before existing additions.
+  //  *
+  //  * @param {number} index
+  //  * @param {number} remove
+  //  * @param {Array<Event>} add
+  //  * @returns {undefined}
+  //  */
+  // addBefore(index, remove, add) {
+  //   addImplementation(this, index, remove, add, true)
+  // }
+
+  /**
+   * Done, change the events.
+   *
+   * @param {Array<Event>} events
+   * @returns {undefined}
+   */
+  consume(events) {
+    this.map.sort(function (a, b) {
+      return a[0] - b[0];
+    });
+
+    /* c8 ignore next 3 -- `resolve` is never called without tables, so without edits. */
+    if (this.map.length === 0) {
+      return;
+    }
+
+    // To do: if links are added in events, like they are in `markdown-rs`,
+    // this is needed.
+    // // Calculate jumps: where items in the current list move to.
+    // /** @type {Array<Jump>} */
+    // const jumps = []
+    // let index = 0
+    // let addAcc = 0
+    // let removeAcc = 0
+    // while (index < this.map.length) {
+    //   const [at, remove, add] = this.map[index]
+    //   removeAcc += remove
+    //   addAcc += add.length
+    //   jumps.push([at, removeAcc, addAcc])
+    //   index += 1
+    // }
+    //
+    // . shiftLinks(events, jumps)
+
+    let index = this.map.length;
+    /** @type {Array<Array<Event>>} */
+    const vecs = [];
+    while (index > 0) {
+      index -= 1;
+      vecs.push(events.slice(this.map[index][0] + this.map[index][1]), this.map[index][2]);
+
+      // Truncate rest.
+      events.length = this.map[index][0];
+    }
+    vecs.push(events.slice());
+    events.length = 0;
+    let slice = vecs.pop();
+    while (slice) {
+      for (const element of slice) {
+        events.push(element);
+      }
+      slice = vecs.pop();
+    }
+
+    // Truncate everything.
+    this.map.length = 0;
+  }
+}
+
+/**
+ * Create an edit.
+ *
+ * @param {EditMap} editMap
+ * @param {number} at
+ * @param {number} remove
+ * @param {Array<Event>} add
+ * @returns {undefined}
+ */
+function addImplementation(editMap, at, remove, add) {
+  let index = 0;
+
+  /* c8 ignore next 3 -- `resolve` is never called without tables, so without edits. */
+  if (remove === 0 && add.length === 0) {
+    return;
+  }
+  while (index < editMap.map.length) {
+    if (editMap.map[index][0] === at) {
+      editMap.map[index][1] += remove;
+
+      // To do: before not used by tables, use when moving to micromark.
+      // if (before) {
+      //   add.push(...editMap.map[index][2])
+      //   editMap.map[index][2] = add
+      // } else {
+      editMap.map[index][2].push(...add);
+      // }
+
+      return;
+    }
+    index += 1;
+  }
+  editMap.map.push([at, remove, add]);
+}
+
+// /**
+//  * Shift `previous` and `next` links according to `jumps`.
+//  *
+//  * This fixes links in case there are events removed or added between them.
+//  *
+//  * @param {Array<Event>} events
+//  * @param {Array<Jump>} jumps
+//  */
+// function shiftLinks(events, jumps) {
+//   let jumpIndex = 0
+//   let index = 0
+//   let add = 0
+//   let rm = 0
+
+//   while (index < events.length) {
+//     const rmCurr = rm
+
+//     while (jumpIndex < jumps.length && jumps[jumpIndex][0] <= index) {
+//       add = jumps[jumpIndex][2]
+//       rm = jumps[jumpIndex][1]
+//       jumpIndex += 1
+//     }
+
+//     // Ignore items that will be removed.
+//     if (rm > rmCurr) {
+//       index += rm - rmCurr
+//     } else {
+//       // ?
+//       // if let Some(link) = &events[index].link {
+//       //     if let Some(next) = link.next {
+//       //         events[next].link.as_mut().unwrap().previous = Some(index + add - rm);
+//       //         while jumpIndex < jumps.len() && jumps[jumpIndex].0 <= next {
+//       //             add = jumps[jumpIndex].2;
+//       //             rm = jumps[jumpIndex].1;
+//       //             jumpIndex += 1;
+//       //         }
+//       //         events[index].link.as_mut().unwrap().next = Some(next + add - rm);
+//       //         index = next;
+//       //         continue;
+//       //     }
+//       // }
+//       index += 1
+//     }
+//   }
+// }