obsidian-dev-utils
Version:
This is the collection of useful functions that you can use for your Obsidian plugin development
269 lines (265 loc) • 33.2 kB
JavaScript
/*
THIS IS A GENERATED/BUNDLED FILE BY ESBUILD
if you want to view the source, please visit the github repository of this plugin
*/
(function initEsm() {
if (globalThis.process) {
return;
}
const browserProcess = {
browser: true,
cwd() {
return '/';
},
env: {},
platform: 'android'
};
globalThis.process = browserProcess;
})();
import {
CustomArrayDictImpl,
isFrontmatterLinkCache,
isReferenceCache,
parentFolderPath
} from "obsidian-typings/implementations";
import { getNestedPropertyValue } from "../ObjectUtils.mjs";
import { getObsidianDevUtilsState } from "./App.mjs";
import { retryWithTimeoutNotice } from "./AsyncWithNotice.mjs";
import {
getFile,
getFileOrNull,
getFolder,
getPath,
isFile
} from "./FileSystem.mjs";
import { parseFrontmatter } from "./Frontmatter.mjs";
import {
isFrontmatterLinkCacheWithOffsets,
toFrontmatterLinkCacheWithOffsets
} from "./FrontmatterLinkCacheWithOffsets.mjs";
import { t } from "./i18n/i18n.mjs";
import { sortReferences } from "./Reference.mjs";
import {
readSafe,
saveNote
} from "./Vault.mjs";
async function ensureMetadataCacheReady(app) {
await new Promise((resolve) => {
app.metadataCache.onCleanCache(resolve);
});
}
function getAllLinks(cache) {
let links = [];
if (cache.links) {
links.push(...cache.links);
}
if (cache.embeds) {
links.push(...cache.embeds);
}
if (cache.frontmatterLinks) {
links.push(...cache.frontmatterLinks);
}
sortReferences(links);
links = links.filter((link, index) => {
if (index === 0) {
return true;
}
const previousLink = links[index - 1];
if (!previousLink) {
return true;
}
if (isReferenceCache(link) && isReferenceCache(previousLink)) {
return link.position.start.offset !== previousLink.position.start.offset;
}
if (isFrontmatterLinkCache(link) && isFrontmatterLinkCache(previousLink)) {
const linkStartOffset = isFrontmatterLinkCacheWithOffsets(link) ? link.startOffset : 0;
const previousLinkStartOffset = isFrontmatterLinkCacheWithOffsets(previousLink) ? previousLink.startOffset : 0;
return link.key !== previousLink.key || isFrontmatterLinkCacheWithOffsets(link) !== isFrontmatterLinkCacheWithOffsets(previousLink) || linkStartOffset !== previousLinkStartOffset;
}
return true;
});
return links;
}
function getBacklinksForFileOrPath(app, pathOrFile) {
const file = getFile(app, pathOrFile, true);
return tempRegisterFilesAndRun(app, [file], () => app.metadataCache.getBacklinksForFile(file));
}
async function getBacklinksForFileSafe(app, pathOrFile, options = {}) {
const safeOverload = app.metadataCache.getBacklinksForFile.safe;
if (safeOverload) {
return safeOverload(pathOrFile);
}
let backlinks = new CustomArrayDictImpl();
await retryWithTimeoutNotice({
async operationFn(abortSignal) {
abortSignal.throwIfAborted();
const file = getFile(app, pathOrFile);
await ensureMetadataCacheReady(app);
abortSignal.throwIfAborted();
backlinks = getBacklinksForFileOrPath(app, file);
for (const notePath of backlinks.keys()) {
abortSignal.throwIfAborted();
const note = getFileOrNull(app, notePath);
if (!note) {
return false;
}
await saveNote(app, note);
abortSignal.throwIfAborted();
const content = await readSafe(app, note);
abortSignal.throwIfAborted();
if (!content) {
return false;
}
const frontmatter = parseFrontmatter(content);
const links = backlinks.get(notePath);
if (!links) {
return false;
}
for (const link of links) {
let actualLink;
if (isReferenceCache(link)) {
actualLink = content.slice(link.position.start.offset, link.position.end.offset);
} else if (isFrontmatterLinkCache(link)) {
const propertyValue = getNestedPropertyValue(frontmatter, link.key);
if (typeof propertyValue !== "string") {
return false;
}
const linkWithOffsets = toFrontmatterLinkCacheWithOffsets(link);
actualLink = propertyValue.slice(linkWithOffsets.startOffset, linkWithOffsets.endOffset);
} else {
return true;
}
if (actualLink !== link.original) {
return false;
}
}
}
return true;
},
operationName: t(($) => $.obsidianDevUtils.metadataCache.getBacklinksForFilePath, { filePath: getPath(app, pathOrFile) }),
retryOptions: options,
shouldShowTimeoutNotice: options.shouldShowTimeoutNotice ?? true
});
return backlinks;
}
async function getCacheSafe(app, fileOrPath) {
const file = getFileOrNull(app, fileOrPath);
try {
if (!file) {
return null;
}
if (file.deleted) {
return app.metadataCache.getFileCache(file);
}
await saveNote(app, file);
const fileCacheEntry = app.metadataCache.fileCache[file.path];
const isUpToDate = fileCacheEntry?.mtime === file.stat.mtime && fileCacheEntry.size === file.stat.size && app.metadataCache.metadataCache[fileCacheEntry.hash];
if (!isUpToDate) {
await app.metadataCache.computeFileMetadataAsync(file);
await ensureMetadataCacheReady(app);
}
return app.metadataCache.getFileCache(file);
} catch (error) {
if (!file || file.deleted) {
return null;
}
throw error;
}
}
async function getFrontmatterSafe(app, pathOrFile) {
const cache = await getCacheSafe(app, pathOrFile);
return cache?.frontmatter ?? {};
}
async function parseMetadata(app, str) {
const encoder = new TextEncoder();
const buffer = encoder.encode(str).buffer;
return await app.metadataCache.computeMetadataAsync(buffer) ?? {};
}
function registerFileCacheForNonExistingFile(app, pathOrFile, cache) {
const file = getFile(app, pathOrFile, true);
if (!file.deleted) {
throw new Error("File is existing");
}
app.metadataCache.fileCache[file.path] = {
hash: file.path,
mtime: 0,
size: 0
};
app.metadataCache.metadataCache[file.path] = cache;
}
function registerFiles(app, files) {
const registeredFilesCounts = getRegisteredFilesCounts(app);
for (let file of files) {
while (file.deleted) {
let count = registeredFilesCounts.get(file.path) ?? 0;
count++;
registeredFilesCounts.set(file.path, count);
app.vault.fileMap[file.path] = file;
if (isFile(file)) {
app.metadataCache.uniqueFileLookup.add(file.name.toLowerCase(), file);
}
file = getFolder(app, parentFolderPath(file.path), true);
}
}
}
function tempRegisterFilesAndRun(app, files, fn) {
try {
registerFiles(app, files);
return fn();
} finally {
unregisterFiles(app, files);
}
}
async function tempRegisterFilesAndRunAsync(app, files, fn) {
try {
registerFiles(app, files);
return await fn();
} finally {
unregisterFiles(app, files);
}
}
function unregisterFileCacheForNonExistingFile(app, pathOrFile) {
const file = getFile(app, pathOrFile, true);
if (!file.deleted) {
throw new Error("File is existing");
}
delete app.metadataCache.fileCache[file.path];
delete app.metadataCache.metadataCache[file.path];
}
function unregisterFiles(app, files) {
const registeredFilesCounts = getRegisteredFilesCounts(app);
for (let file of files) {
while (file.deleted) {
let count = registeredFilesCounts.get(file.path) ?? 1;
count--;
registeredFilesCounts.set(file.path, count);
if (count === 0) {
registeredFilesCounts.delete(file.path);
delete app.vault.fileMap[file.path];
if (isFile(file)) {
app.metadataCache.uniqueFileLookup.remove(file.name.toLowerCase(), file);
}
}
file = getFolder(app, parentFolderPath(file.path), true);
}
}
}
function getRegisteredFilesCounts(app) {
return getObsidianDevUtilsState(app, "registeredFilesCounts", /* @__PURE__ */ new Map()).value;
}
export {
ensureMetadataCacheReady,
getAllLinks,
getBacklinksForFileOrPath,
getBacklinksForFileSafe,
getCacheSafe,
getFrontmatterSafe,
parseMetadata,
registerFileCacheForNonExistingFile,
registerFiles,
tempRegisterFilesAndRun,
tempRegisterFilesAndRunAsync,
unregisterFileCacheForNonExistingFile,
unregisterFiles
};
//# sourceMappingURL=data:application/json;base64,{
  "version": 3,
  "sources": ["../../../../src/obsidian/MetadataCache.ts"],
  "sourcesContent": ["/**\n * @packageDocumentation\n *\n * This module provides utility functions for working with the metadata cache in Obsidian.\n */\n\nimport type {\n  App,\n  CachedMetadata,\n  Reference,\n  TAbstractFile\n} from 'obsidian';\nimport type { CustomArrayDict } from 'obsidian-typings';\n\nimport {\n  CustomArrayDictImpl,\n  isFrontmatterLinkCache,\n  isReferenceCache,\n  parentFolderPath\n} from 'obsidian-typings/implementations';\n\nimport type { RetryOptions } from '../Async.ts';\nimport type { PathOrFile } from './FileSystem.ts';\nimport type { CombinedFrontmatter } from './Frontmatter.ts';\n\nimport { getNestedPropertyValue } from '../ObjectUtils.ts';\nimport { getObsidianDevUtilsState } from './App.ts';\nimport { retryWithTimeoutNotice } from './AsyncWithNotice.ts';\nimport {\n  getFile,\n  getFileOrNull,\n  getFolder,\n  getPath,\n  isFile\n} from './FileSystem.ts';\nimport { parseFrontmatter } from './Frontmatter.ts';\nimport {\n  isFrontmatterLinkCacheWithOffsets,\n  toFrontmatterLinkCacheWithOffsets\n} from './FrontmatterLinkCacheWithOffsets.ts';\nimport { t } from './i18n/i18n.ts';\nimport { sortReferences } from './Reference.ts';\nimport {\n  readSafe,\n  saveNote\n} from './Vault.ts';\n\n/**\n * Options for {@link getBacklinksForFileSafe}.\n */\nexport interface GetBacklinksForFileSafeOptions extends RetryOptions {\n  /**\n   * Whether to show a timeout notice. Default is `true`.\n   */\n  shouldShowTimeoutNotice?: boolean;\n}\n\n/**\n * Wrapper for the getBacklinksForFile method that provides a safe overload.\n */\nexport interface GetBacklinksForFileSafeWrapper {\n  /**\n   * Retrieves the backlinks for a file safely.\n   *\n   * @param pathOrFile - The path or file object.\n   * @returns A {@link Promise} that resolves to an array dictionary of backlinks.\n   */\n  safe(pathOrFile: PathOrFile): Promise<CustomArrayDict<Reference>>;\n}\n\n/**\n * Ensures that the metadata cache is ready for all files.\n *\n * @param app - The Obsidian app instance.\n * @returns A {@link Promise} that resolves when the metadata cache is ready.\n */\nexport async function ensureMetadataCacheReady(app: App): Promise<void> {\n  await new Promise((resolve) => {\n    app.metadataCache.onCleanCache(resolve);\n  });\n}\n\n/**\n * Retrieves all links from the provided cache.\n *\n * @param cache - The cached metadata.\n * @returns An array of reference caches representing the links.\n */\nexport function getAllLinks(cache: CachedMetadata): Reference[] {\n  let links: Reference[] = [];\n\n  if (cache.links) {\n    links.push(...cache.links);\n  }\n\n  if (cache.embeds) {\n    links.push(...cache.embeds);\n  }\n\n  if (cache.frontmatterLinks) {\n    links.push(...cache.frontmatterLinks);\n  }\n\n  sortReferences(links);\n\n  // BUG: https://forum.obsidian.md/t/bug-duplicated-links-in-metadatacache-inside-footnotes/85551\n  links = links.filter((link, index) => {\n    if (index === 0) {\n      return true;\n    }\n\n    const previousLink = links[index - 1];\n    if (!previousLink) {\n      return true;\n    }\n\n    if (isReferenceCache(link) && isReferenceCache(previousLink)) {\n      return link.position.start.offset !== previousLink.position.start.offset;\n    }\n\n    if (isFrontmatterLinkCache(link) && isFrontmatterLinkCache(previousLink)) {\n      const linkStartOffset = isFrontmatterLinkCacheWithOffsets(link) ? link.startOffset : 0;\n      const previousLinkStartOffset = isFrontmatterLinkCacheWithOffsets(previousLink) ? previousLink.startOffset : 0;\n      return link.key !== previousLink.key || isFrontmatterLinkCacheWithOffsets(link) !== isFrontmatterLinkCacheWithOffsets(previousLink)\n        || linkStartOffset !== previousLinkStartOffset;\n    }\n\n    return true;\n  });\n\n  return links;\n}\n\n/**\n * Retrieves the backlinks for a file or path.\n * NOTE: The file may be non-existent.\n *\n * @param app - The Obsidian application instance.\n * @param pathOrFile - The path or file object.\n * @returns The backlinks for the file.\n */\nexport function getBacklinksForFileOrPath(app: App, pathOrFile: PathOrFile): CustomArrayDict<Reference> {\n  const file = getFile(app, pathOrFile, true);\n  return tempRegisterFilesAndRun(app, [file], () => app.metadataCache.getBacklinksForFile(file));\n}\n\n/**\n * Retrieves the backlinks for a file safely.\n *\n * @param app - The Obsidian application instance.\n * @param pathOrFile - The path or file object.\n * @param options - Other options.\n * @returns A {@link Promise} that resolves to an array dictionary of backlinks.\n */\nexport async function getBacklinksForFileSafe(\n  app: App,\n  pathOrFile: PathOrFile,\n  options: GetBacklinksForFileSafeOptions = {}\n): Promise<CustomArrayDict<Reference>> {\n  const safeOverload = (app.metadataCache.getBacklinksForFile as Partial<GetBacklinksForFileSafeWrapper>).safe;\n  if (safeOverload) {\n    return safeOverload(pathOrFile);\n  }\n  let backlinks: CustomArrayDict<Reference> = new CustomArrayDictImpl<Reference>();\n  await retryWithTimeoutNotice({\n    async operationFn(abortSignal) {\n      abortSignal.throwIfAborted();\n      const file = getFile(app, pathOrFile);\n      await ensureMetadataCacheReady(app);\n      abortSignal.throwIfAborted();\n      backlinks = getBacklinksForFileOrPath(app, file);\n      for (const notePath of backlinks.keys()) {\n        abortSignal.throwIfAborted();\n        const note = getFileOrNull(app, notePath);\n        if (!note) {\n          return false;\n        }\n\n        await saveNote(app, note);\n        abortSignal.throwIfAborted();\n\n        const content = await readSafe(app, note);\n        abortSignal.throwIfAborted();\n        if (!content) {\n          return false;\n        }\n        const frontmatter = parseFrontmatter(content);\n        const links = backlinks.get(notePath);\n        if (!links) {\n          return false;\n        }\n\n        for (const link of links) {\n          let actualLink: string;\n          if (isReferenceCache(link)) {\n            actualLink = content.slice(link.position.start.offset, link.position.end.offset);\n          } else if (isFrontmatterLinkCache(link)) {\n            const propertyValue = getNestedPropertyValue(frontmatter, link.key);\n            if (typeof propertyValue !== 'string') {\n              return false;\n            }\n\n            const linkWithOffsets = toFrontmatterLinkCacheWithOffsets(link);\n            actualLink = propertyValue.slice(linkWithOffsets.startOffset, linkWithOffsets.endOffset);\n          } else {\n            return true;\n          }\n          if (actualLink !== link.original) {\n            return false;\n          }\n        }\n      }\n\n      return true;\n    },\n    operationName: t(($) => $.obsidianDevUtils.metadataCache.getBacklinksForFilePath, { filePath: getPath(app, pathOrFile) }),\n    retryOptions: options,\n    shouldShowTimeoutNotice: options.shouldShowTimeoutNotice ?? true\n  });\n\n  return backlinks;\n}\n\n/**\n * Retrieves the cached metadata for a given file or path.\n *\n * @param app - The Obsidian app instance.\n * @param fileOrPath - The file or path to retrieve the metadata for.\n * @returns The cached metadata for the file, or null if it doesn't exist.\n */\nexport async function getCacheSafe(app: App, fileOrPath: PathOrFile): Promise<CachedMetadata | null> {\n  const file = getFileOrNull(app, fileOrPath);\n\n  try {\n    if (!file) {\n      return null;\n    }\n\n    if (file.deleted) {\n      return app.metadataCache.getFileCache(file);\n    }\n\n    await saveNote(app, file);\n\n    const fileCacheEntry = app.metadataCache.fileCache[file.path];\n    const isUpToDate = fileCacheEntry?.mtime === file.stat.mtime\n      && fileCacheEntry.size === file.stat.size\n      && app.metadataCache.metadataCache[fileCacheEntry.hash];\n    if (!isUpToDate) {\n      await app.metadataCache.computeFileMetadataAsync(file);\n      await ensureMetadataCacheReady(app);\n    }\n    return app.metadataCache.getFileCache(file);\n  } catch (error) {\n    if (!file || file.deleted) {\n      return null;\n    }\n\n    throw error;\n  }\n}\n\n/**\n * Retrieves the front matter from the metadata cache safely.\n *\n * @typeParam CustomFrontmatter - The type of custom front matter.\n * @param app - The Obsidian app instance.\n * @param pathOrFile - The path or file to retrieve the front matter from.\n * @returns The combined front matter.\n */\nexport async function getFrontmatterSafe<CustomFrontmatter = unknown>(app: App, pathOrFile: PathOrFile): Promise<CombinedFrontmatter<CustomFrontmatter>> {\n  const cache = await getCacheSafe(app, pathOrFile);\n  return (cache?.frontmatter ?? {}) as CombinedFrontmatter<CustomFrontmatter>;\n}\n\n/**\n * Parses the metadata for a given string.\n *\n * @param app - The Obsidian app instance.\n * @param str - The string to parse the metadata for.\n * @returns The parsed metadata.\n */\nexport async function parseMetadata(app: App, str: string): Promise<CachedMetadata> {\n  const encoder = new TextEncoder();\n  const buffer = encoder.encode(str).buffer;\n  return await app.metadataCache.computeMetadataAsync(buffer) ?? {};\n}\n\n/**\n * Registers the file cache for a non-existing file.\n *\n * @param app - The Obsidian app instance.\n * @param pathOrFile - The path or file to register the file cache for.\n * @param cache - The file cache to register.\n */\nexport function registerFileCacheForNonExistingFile(app: App, pathOrFile: PathOrFile, cache: CachedMetadata): void {\n  const file = getFile(app, pathOrFile, true);\n  if (!file.deleted) {\n    throw new Error('File is existing');\n  }\n\n  app.metadataCache.fileCache[file.path] = {\n    hash: file.path,\n    mtime: 0,\n    size: 0\n  };\n\n  app.metadataCache.metadataCache[file.path] = cache;\n}\n\n/**\n * Registers files in the Obsidian app.\n *\n * @param app - The Obsidian app instance.\n * @param files - The files to register.\n */\nexport function registerFiles(app: App, files: TAbstractFile[]): void {\n  const registeredFilesCounts = getRegisteredFilesCounts(app);\n\n  for (let file of files) {\n    while (file.deleted) {\n      let count = registeredFilesCounts.get(file.path) ?? 0;\n      count++;\n      registeredFilesCounts.set(file.path, count);\n\n      app.vault.fileMap[file.path] = file;\n\n      if (isFile(file)) {\n        app.metadataCache.uniqueFileLookup.add(file.name.toLowerCase(), file);\n      }\n\n      file = getFolder(app, parentFolderPath(file.path), true);\n    }\n  }\n}\n\n/**\n * Temporarily registers files and runs a function.\n *\n * @typeParam T - The type of the result of the function.\n * @param app - The Obsidian app instance.\n * @param files - The files to temporarily register.\n * @param fn - The function to run.\n * @returns The result of the function.\n */\nexport function tempRegisterFilesAndRun<T>(app: App, files: TAbstractFile[], fn: () => T): T {\n  try {\n    registerFiles(app, files);\n    return fn();\n  } finally {\n    unregisterFiles(app, files);\n  }\n}\n\n/**\n * Temporarily registers files and runs an async function.\n *\n * @typeParam T - The type of the result of the function.\n * @param app - The Obsidian app instance.\n * @param files - The files to temporarily register.\n * @param fn - The function to run.\n * @returns The result of the function.\n */\nexport async function tempRegisterFilesAndRunAsync<T>(app: App, files: TAbstractFile[], fn: () => Promise<T>): Promise<T> {\n  try {\n    registerFiles(app, files);\n    return await fn();\n  } finally {\n    unregisterFiles(app, files);\n  }\n}\n\n/**\n * Unregisters the file cache for a non-existing file.\n *\n * @param app - The Obsidian app instance.\n * @param pathOrFile - The path or file to unregister the file cache for.\n */\nexport function unregisterFileCacheForNonExistingFile(app: App, pathOrFile: PathOrFile): void {\n  const file = getFile(app, pathOrFile, true);\n  if (!file.deleted) {\n    throw new Error('File is existing');\n  }\n  // eslint-disable-next-line @typescript-eslint/no-dynamic-delete -- We have no other way to delete the property.\n  delete app.metadataCache.fileCache[file.path];\n  // eslint-disable-next-line @typescript-eslint/no-dynamic-delete -- We have no other way to delete the property.\n  delete app.metadataCache.metadataCache[file.path];\n}\n\n/**\n * Unregisters files from the Obsidian app.\n *\n * @param app - The Obsidian app instance.\n * @param files - The files to unregister.\n */\nexport function unregisterFiles(app: App, files: TAbstractFile[]): void {\n  const registeredFilesCounts = getRegisteredFilesCounts(app);\n\n  for (let file of files) {\n    while (file.deleted) {\n      let count = registeredFilesCounts.get(file.path) ?? 1;\n      count--;\n      registeredFilesCounts.set(file.path, count);\n      if (count === 0) {\n        registeredFilesCounts.delete(file.path);\n        // eslint-disable-next-line @typescript-eslint/no-dynamic-delete -- We have no other way to delete the property.\n        delete app.vault.fileMap[file.path];\n\n        if (isFile(file)) {\n          app.metadataCache.uniqueFileLookup.remove(file.name.toLowerCase(), file);\n        }\n      }\n\n      file = getFolder(app, parentFolderPath(file.path), true);\n    }\n  }\n}\n\nfunction getRegisteredFilesCounts(app: App): Map<string, number> {\n  return getObsidianDevUtilsState(app, 'registeredFilesCounts', new Map<string, number>()).value;\n}\n"],
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