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utils.ts
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utils.ts
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import vscode, { CancellationToken, GlobPattern, Uri, workspace } from 'vscode';
import path from 'path';
import fs from 'fs';
import { RefT, FoundRefT, LinkRuleT, ExtractedRefT } from '../types';
import { cache } from '../workspace';
import { isInCodeSpan, isInFencedCodeBlock } from './externalUtils';
const markdownExtRegex = /\.md$/i;
export const imageExts = ['png', 'jpg', 'jpeg', 'svg', 'gif', 'webp'];
const imageExtsRegex = new RegExp(`.(${imageExts.join('|')})$`, 'i');
export const otherExts = [
'doc',
'docx',
'rtf',
'txt',
'odt',
'xls',
'xlsx',
'ppt',
'pptm',
'pptx',
'pdf',
'pages',
'mp4',
'mov',
'wmv',
'flv',
'avi',
'mkv',
'mp3',
'webm',
'wav',
'm4a',
'ogg',
'3gp',
'flac',
'msg',
];
const otherExtsRegex = new RegExp(`.(${otherExts.join('|')})$`, 'i');
// Remember to edit accordingly when extensions above edited
export const commonExtsHint =
'.md,.png,.jpg,.jpeg,.svg,.gif,.doc,.docx,.rtf,.txt,.odt,.xls,.xlsx,.ppt,.pptm,.pptx,.pdf';
export const refPattern = '(\\[\\[)([^\\[\\]]+?)(\\]\\])';
export const containsImageExt = (pathParam: string): boolean =>
!!imageExtsRegex.exec(path.parse(pathParam).ext);
export const containsMarkdownExt = (pathParam: string): boolean =>
!!markdownExtRegex.exec(path.parse(pathParam).ext);
export const containsOtherKnownExts = (pathParam: string): boolean =>
!!otherExtsRegex.exec(path.parse(pathParam).ext);
export const containsUnknownExt = (pathParam: string): boolean =>
path.parse(pathParam).ext !== '' &&
!containsMarkdownExt(pathParam) &&
!containsImageExt(pathParam) &&
!containsOtherKnownExts(pathParam);
export const trimLeadingSlash = (value: string) => value.replace(/^\/+|^\\+/g, '');
export const trimTrailingSlash = (value: string) => value.replace(/\/+$|\\+$/g, '');
export const trimSlashes = (value: string) => trimLeadingSlash(trimTrailingSlash(value));
export const isLongRef = (path: string) => path.split('/').length > 1;
export const normalizeSlashes = (value: string) => value.replace(/\\/gi, '/');
export const fsPathToRef = ({
path: fsPath,
keepExt,
basePath,
}: {
path: string;
keepExt?: boolean;
basePath?: string;
}): string | null => {
const ref =
basePath && fsPath.startsWith(basePath)
? normalizeSlashes(fsPath.replace(basePath, ''))
: path.basename(fsPath);
if (keepExt) {
return trimLeadingSlash(ref);
}
return trimLeadingSlash(ref.includes('.') ? ref.slice(0, ref.lastIndexOf('.')) : ref);
};
const refRegexp = new RegExp(refPattern, 'gi');
export const extractDanglingRefs = (content: string) => {
const refs: string[] = [];
content.split(/\r?\n/g).forEach((lineText, lineNum) => {
for (const match of matchAll(refRegexp, lineText)) {
const [, , reference] = match;
if (reference) {
const offset = (match.index || 0) + 2;
if (isInFencedCodeBlock(content, lineNum) || isInCodeSpan(content, lineNum, offset)) {
continue;
}
const { ref } = parseRef(reference);
if (!findUriByRef(cache.getWorkspaceCache().allUris, ref)) {
refs.push(ref);
}
}
}
});
return Array.from(new Set(refs));
};
export const findDanglingRefsByFsPath = async (uris: vscode.Uri[]) => {
const refsByFsPath: { [key: string]: string[] } = {};
for (const { fsPath } of uris) {
const fsPathExists = fs.existsSync(fsPath);
if (
!fsPathExists ||
!containsMarkdownExt(fsPath) ||
(fsPathExists && fs.lstatSync(fsPath).isDirectory())
) {
continue;
}
const doc = workspace.textDocuments.find((doc) => doc.uri.fsPath === fsPath);
const refs = extractDanglingRefs(doc ? doc.getText() : fs.readFileSync(fsPath).toString());
if (refs.length) {
refsByFsPath[fsPath] = refs;
}
}
return refsByFsPath;
};
export const getWorkspaceFolder = (): string | undefined =>
vscode.workspace.workspaceFolders && vscode.workspace.workspaceFolders[0].uri.fsPath;
export function getConfigProperty<T>(property: string, fallback: T): T {
return vscode.workspace.getConfiguration().get(property, fallback);
}
export type MemoBoolConfigProp =
| 'links.completion.enabled'
| 'links.following.enabled'
| 'links.preview.enabled'
| 'links.references.enabled'
| 'links.sync.enabled'
| 'backlinksPanel.enabled'
| 'markdownPreview.enabled';
export function getMemoConfigProperty(
property: 'links.format',
fallback: 'short',
): 'short' | 'long';
export function getMemoConfigProperty(
property: 'backlinksPanel.collapseParentItems',
fallback: null | boolean,
): boolean;
export function getMemoConfigProperty(
property: 'links.preview.imageMaxHeight',
fallback: null | number,
): number;
export function getMemoConfigProperty(
property: 'links.rules',
fallback: null | Array<LinkRuleT>,
): LinkRuleT[];
export function getMemoConfigProperty(property: MemoBoolConfigProp, fallback: boolean): boolean;
export function getMemoConfigProperty<T>(property: string, fallback: T): T {
return getConfigProperty(`memo.${property}`, fallback);
}
export const matchAll = (pattern: RegExp, text: string): Array<RegExpMatchArray> => {
let match: RegExpMatchArray | null;
const out: RegExpMatchArray[] = [];
pattern.lastIndex = 0;
while ((match = pattern.exec(text))) {
out.push(match);
}
return out;
};
export const getReferenceAtPosition = (
document: vscode.TextDocument,
position: vscode.Position,
): { range: vscode.Range; ref: string; label: string } | null => {
if (
isInFencedCodeBlock(document, position.line) ||
isInCodeSpan(document, position.line, position.character)
) {
return null;
}
const range = document.getWordRangeAtPosition(position, new RegExp(refPattern));
if (!range) {
return null;
}
const { ref, label } = parseRef(
document.getText(range).replace('![[', '').replace('[[', '').replace(']]', ''),
);
return {
ref,
label,
range,
};
};
export const escapeForRegExp = (value: string) => value.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
export const extractEmbedRefs = (content: string) => {
const matches = matchAll(new RegExp(`!\\[\\[(([^\\[\\]]+?)(\\|.*)?)\\]\\]`, 'gi'), content);
return matches.map((match) => {
const [, $1] = match;
return $1;
});
};
const refsToRegExp = (refs: string | string[]) => {
const refsArr = typeof refs === 'string' ? [refs] : refs;
return new RegExp(
`\\[\\[((${refsArr.map((ref) => escapeForRegExp(ref)).join('|')})(\\|[^\\[\\]]+?)?)\\]\\]`,
'gi',
);
};
export const extractRefsFromText = (
refs: string | string[] | RegExp,
text: string,
): ExtractedRefT[] => {
const refsRegexp = refs instanceof RegExp ? refs : refsToRegExp(refs);
const foundRefs: ExtractedRefT[] = [];
text.split(/\r?\n/g).forEach((lineText, lineNum) => {
for (const match of matchAll(refsRegexp, lineText)) {
const [, reference] = match;
const offset = (match.index || 0) + 2;
if (isInFencedCodeBlock(text, lineNum) || isInCodeSpan(text, lineNum, offset)) {
return;
}
foundRefs.push({
ref: {
position: {
start: new vscode.Position(lineNum, offset),
end: new vscode.Position(lineNum, offset + reference.length),
},
text: lineText.slice(Math.max(offset, 0), offset + reference.length),
},
line: {
trailingText: lineText.slice(Math.max(offset - 2, 0), lineText.length),
},
});
}
});
return foundRefs;
};
export const findReferences = async (
refs: string | string[],
excludePaths: string[] = [],
): Promise<FoundRefT[]> => {
const foundRefs: FoundRefT[] = [];
for (const { fsPath } of cache.getWorkspaceCache().markdownUris) {
if (excludePaths.includes(fsPath) || !fs.existsSync(fsPath)) {
continue;
}
const extractedRefs = extractRefsFromText(refs, fs.readFileSync(fsPath).toString()).map(
({ ref, line }) => ({
location: new vscode.Location(
vscode.Uri.file(fsPath),
new vscode.Range(ref.position.start, ref.position.end),
),
matchText: line.trailingText,
}),
);
foundRefs.push(...extractedRefs);
}
return foundRefs;
};
export const getFileUrlForMarkdownPreview = (filePathParam: string): string => {
const workspaceFolder = getWorkspaceFolder();
const filePath = workspaceFolder ? filePathParam.replace(workspaceFolder, '') : filePathParam;
return vscode.Uri.file(filePath).toString().replace('file://', '');
};
export const getImgUrlForMarkdownPreview = (imagePath: string): string =>
vscode.Uri.file(imagePath).toString().replace('file://', '');
const uncPathRegex = /^[\\\/]{2,}[^\\\/]+[\\\/]+[^\\\/]+/;
export const isUncPath = (path: string): boolean => uncPathRegex.test(path);
export const findFilesByExts = async (exts: string[]): Promise<vscode.Uri[]> =>
await findNonIgnoredFiles(`**/*.{${exts.join(',')}}`);
export const findAllUrisWithUnknownExts = async (uris: vscode.Uri[]) => {
const unknownExts = Array.from(
new Set(
uris
.filter(({ fsPath }) => containsUnknownExt(fsPath))
.map(({ fsPath }) => path.parse(fsPath).ext.replace(/^\./, '')),
),
);
return unknownExts.length ? await findFilesByExts(unknownExts) : [];
};
export const extractExt = (value: string) => path.parse(value).ext.replace(/^\./, '');
export const findUriByRef = (
uris: vscode.Uri[],
ref: string,
options: { workspaceFolder?: string } = {},
): vscode.Uri | undefined => {
return uris.find((uri) => {
const relativeFsPath =
path.sep +
path.relative(
(options.workspaceFolder || getWorkspaceFolder()!).toLowerCase(),
uri.fsPath.toLowerCase(),
);
if (containsImageExt(ref) || containsOtherKnownExts(ref) || containsUnknownExt(ref)) {
if (isLongRef(ref)) {
const relativeFsPathNormalized = normalizeSlashes(relativeFsPath);
const refLowerCased = ref.toLowerCase();
return (
relativeFsPathNormalized.endsWith(refLowerCased) ||
relativeFsPathNormalized.endsWith(`${refLowerCased}.md`)
);
}
const basenameLowerCased = path.basename(uri.fsPath).toLowerCase();
return (
basenameLowerCased === ref.toLowerCase() || basenameLowerCased === `${ref.toLowerCase()}.md`
);
}
if (isLongRef(ref)) {
return normalizeSlashes(relativeFsPath).endsWith(`${ref.toLowerCase()}.md`);
}
const name = path.parse(uri.fsPath).name.toLowerCase();
return containsMarkdownExt(path.basename(uri.fsPath)) && name === ref.toLowerCase();
});
};
export const ensureDirectoryExists = (filePath: string) => {
const dirname = path.dirname(filePath);
if (!fs.existsSync(dirname)) {
ensureDirectoryExists(dirname);
fs.mkdirSync(dirname);
}
};
export const getRefUnderCursor = ():
| { range: vscode.Range; ref: string; label: string }
| null
| undefined => {
const activeTextEditor = vscode.window.activeTextEditor;
const refAtPos =
activeTextEditor &&
getReferenceAtPosition(activeTextEditor.document, activeTextEditor.selection.start);
return refAtPos;
};
export const getRefUriUnderCursor = (): vscode.Uri | null | undefined => {
const refAtPos = getRefUnderCursor();
return refAtPos && findUriByRef(cache.getWorkspaceCache().allUris, refAtPos.ref);
};
export const parseRef = (rawRef: string): RefT => {
const escapedDividerPosition = rawRef.indexOf('\\|');
const dividerPosition =
escapedDividerPosition !== -1 ? escapedDividerPosition : rawRef.indexOf('|');
return {
ref: dividerPosition !== -1 ? rawRef.slice(0, dividerPosition) : rawRef,
label:
dividerPosition !== -1
? rawRef.slice(dividerPosition + (escapedDividerPosition !== -1 ? 2 : 1), rawRef.length)
: '',
};
};
export const findNonIgnoredFiles = async (
include: GlobPattern,
excludeParam?: string | null,
maxResults?: number,
token?: CancellationToken,
): Promise<Uri[]> => {
const exclude = [
...Object.keys(getConfigProperty('search.exclude', {})),
...Object.keys(getConfigProperty('file.exclude', {})),
...(typeof excludeParam === 'string' ? [excludeParam] : []),
].join(',');
const files = await workspace.findFiles(include, `{${exclude}}`, maxResults, token);
return files;
};
export const getRefWithExt = (ref: string) => {
const paths = ref.split('/');
const refExt = path.parse(ref).ext;
return path.join(
...paths.slice(0, -1),
`${paths.slice(-1)}${refExt !== '.md' && refExt !== '' ? '' : '.md'}`,
);
};
export const getDirRelativeToWorkspace = (uri: Uri | undefined) => {
const workspaceFolder = uri && workspace.getWorkspaceFolder(uri)?.uri.fsPath;
if (!workspaceFolder || !uri) {
return;
}
return path.dirname(uri.fsPath).replace(workspaceFolder, '');
};
export const resolveShortRefFolder = (ref: string): string | undefined => {
const linksFormat = getMemoConfigProperty('links.format', 'short');
const linksRules = getMemoConfigProperty('links.rules', []);
const refWithExt = getRefWithExt(ref);
if (linksFormat !== 'short' || isLongRef(ref) || !Array.isArray(linksRules)) {
return;
}
let linkRegExpMatchArr: RegExpMatchArray | null = null;
let linkRule: LinkRuleT | null = null;
for (const rule of linksRules) {
const matchRes = new RegExp(rule.rule).exec(refWithExt);
if (matchRes) {
linkRegExpMatchArr = matchRes;
linkRule = rule;
break;
}
}
if (!linkRule) {
return;
}
const date = new Date();
// https:/microsoft/vscode/blob/main/src/vs/editor/contrib/snippet/snippetVariables.ts
const varsReplacementMap: { name: string; value: string }[] = [
{
name: '$CURRENT_FILE_DIRECTORY',
value: getDirRelativeToWorkspace(vscode.window.activeTextEditor?.document.uri) || '',
},
{ name: '$CURRENT_YEAR_SHORT', value: String(date.getFullYear()).slice(-2) },
{ name: '$CURRENT_YEAR', value: String(date.getFullYear()) },
{ name: '$CURRENT_MONTH', value: String(date.getMonth().valueOf() + 1).padStart(2, '0') },
{ name: '$CURRENT_DATE', value: String(date.getDate().valueOf()).padStart(2, '0') },
{ name: '$CURRENT_HOUR', value: String(date.getHours().valueOf()).padStart(2, '0') },
{ name: '$CURRENT_MINUTE', value: String(date.getMinutes().valueOf()).padStart(2, '0') },
{ name: '$CURRENT_SECONDS_UNIX', value: String(Math.floor(date.getTime() / 1000)) },
{ name: '$CURRENT_SECOND', value: String(date.getSeconds().valueOf()).padStart(2, '0') },
];
if (linkRegExpMatchArr) {
linkRegExpMatchArr.forEach((match, index) => {
varsReplacementMap.push({ name: `$${index}`, value: match });
});
}
let folder = linkRule.folder;
for (const { name, value } of varsReplacementMap) {
folder = folder.replace(new RegExp(escapeForRegExp(name), 'g'), value);
}
return folder;
};
export const isDefined = <T>(argument: T | undefined): argument is T => argument !== undefined;