srs-document/node_modules/@unified-latex/unified-latex-util-parse/index.cjs
2025-03-24 15:42:48 +07:00

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"use strict";
Object.defineProperty(exports, Symbol.toStringTag, { value: "Module" });
const unifiedLatexCtan = require("@unified-latex/unified-latex-ctan");
const unifiedLatexUtilTrim = require("@unified-latex/unified-latex-util-trim");
const unifiedLatexUtilPegjs = require("@unified-latex/unified-latex-util-pegjs");
const unifiedLatexUtilVisit = require("@unified-latex/unified-latex-util-visit");
const unifiedLatexUtilMatch = require("@unified-latex/unified-latex-util-match");
const unifiedLatexUtilPrintRaw = require("@unified-latex/unified-latex-util-print-raw");
const unifiedLatexUtilArguments = require("@unified-latex/unified-latex-util-arguments");
const unifiedLatexUtilEnvironments = require("@unified-latex/unified-latex-util-environments");
const unifiedLatexUtilCatcode = require("@unified-latex/unified-latex-util-catcode");
const unifiedLatexAstComplier = function unifiedLatexAstComplier2() {
Object.assign(this, { Compiler: (x) => x });
};
function bail(error) {
if (error) {
throw error;
}
}
function getDefaultExportFromCjs(x) {
return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, "default") ? x["default"] : x;
}
/*!
* Determine if an object is a Buffer
*
* @author Feross Aboukhadijeh <https://feross.org>
* @license MIT
*/
var isBuffer$1;
var hasRequiredIsBuffer;
function requireIsBuffer() {
if (hasRequiredIsBuffer) return isBuffer$1;
hasRequiredIsBuffer = 1;
isBuffer$1 = function isBuffer2(obj) {
return obj != null && obj.constructor != null && typeof obj.constructor.isBuffer === "function" && obj.constructor.isBuffer(obj);
};
return isBuffer$1;
}
var isBufferExports = requireIsBuffer();
const isBuffer = /* @__PURE__ */ getDefaultExportFromCjs(isBufferExports);
var extend$1;
var hasRequiredExtend;
function requireExtend() {
if (hasRequiredExtend) return extend$1;
hasRequiredExtend = 1;
var hasOwn = Object.prototype.hasOwnProperty;
var toStr = Object.prototype.toString;
var defineProperty = Object.defineProperty;
var gOPD = Object.getOwnPropertyDescriptor;
var isArray = function isArray2(arr) {
if (typeof Array.isArray === "function") {
return Array.isArray(arr);
}
return toStr.call(arr) === "[object Array]";
};
var isPlainObject2 = function isPlainObject3(obj) {
if (!obj || toStr.call(obj) !== "[object Object]") {
return false;
}
var hasOwnConstructor = hasOwn.call(obj, "constructor");
var hasIsPrototypeOf = obj.constructor && obj.constructor.prototype && hasOwn.call(obj.constructor.prototype, "isPrototypeOf");
if (obj.constructor && !hasOwnConstructor && !hasIsPrototypeOf) {
return false;
}
var key;
for (key in obj) {
}
return typeof key === "undefined" || hasOwn.call(obj, key);
};
var setProperty = function setProperty2(target, options) {
if (defineProperty && options.name === "__proto__") {
defineProperty(target, options.name, {
enumerable: true,
configurable: true,
value: options.newValue,
writable: true
});
} else {
target[options.name] = options.newValue;
}
};
var getProperty = function getProperty2(obj, name) {
if (name === "__proto__") {
if (!hasOwn.call(obj, name)) {
return void 0;
} else if (gOPD) {
return gOPD(obj, name).value;
}
}
return obj[name];
};
extend$1 = function extend2() {
var options, name, src, copy, copyIsArray, clone;
var target = arguments[0];
var i = 1;
var length = arguments.length;
var deep = false;
if (typeof target === "boolean") {
deep = target;
target = arguments[1] || {};
i = 2;
}
if (target == null || typeof target !== "object" && typeof target !== "function") {
target = {};
}
for (; i < length; ++i) {
options = arguments[i];
if (options != null) {
for (name in options) {
src = getProperty(target, name);
copy = getProperty(options, name);
if (target !== copy) {
if (deep && copy && (isPlainObject2(copy) || (copyIsArray = isArray(copy)))) {
if (copyIsArray) {
copyIsArray = false;
clone = src && isArray(src) ? src : [];
} else {
clone = src && isPlainObject2(src) ? src : {};
}
setProperty(target, { name, newValue: extend2(deep, clone, copy) });
} else if (typeof copy !== "undefined") {
setProperty(target, { name, newValue: copy });
}
}
}
}
}
return target;
};
return extend$1;
}
var extendExports = requireExtend();
const extend = /* @__PURE__ */ getDefaultExportFromCjs(extendExports);
function isPlainObject(value) {
if (typeof value !== "object" || value === null) {
return false;
}
const prototype = Object.getPrototypeOf(value);
return (prototype === null || prototype === Object.prototype || Object.getPrototypeOf(prototype) === null) && !(Symbol.toStringTag in value) && !(Symbol.iterator in value);
}
function trough() {
const fns = [];
const pipeline = { run, use };
return pipeline;
function run(...values) {
let middlewareIndex = -1;
const callback = values.pop();
if (typeof callback !== "function") {
throw new TypeError("Expected function as last argument, not " + callback);
}
next(null, ...values);
function next(error, ...output) {
const fn = fns[++middlewareIndex];
let index2 = -1;
if (error) {
callback(error);
return;
}
while (++index2 < values.length) {
if (output[index2] === null || output[index2] === void 0) {
output[index2] = values[index2];
}
}
values = output;
if (fn) {
wrap(fn, next)(...output);
} else {
callback(null, ...output);
}
}
}
function use(middelware) {
if (typeof middelware !== "function") {
throw new TypeError(
"Expected `middelware` to be a function, not " + middelware
);
}
fns.push(middelware);
return pipeline;
}
}
function wrap(middleware, callback) {
let called;
return wrapped;
function wrapped(...parameters) {
const fnExpectsCallback = middleware.length > parameters.length;
let result;
if (fnExpectsCallback) {
parameters.push(done);
}
try {
result = middleware.apply(this, parameters);
} catch (error) {
const exception = (
/** @type {Error} */
error
);
if (fnExpectsCallback && called) {
throw exception;
}
return done(exception);
}
if (!fnExpectsCallback) {
if (result && result.then && typeof result.then === "function") {
result.then(then, done);
} else if (result instanceof Error) {
done(result);
} else {
then(result);
}
}
}
function done(error, ...output) {
if (!called) {
called = true;
callback(error, ...output);
}
}
function then(value) {
done(null, value);
}
}
function stringifyPosition(value) {
if (!value || typeof value !== "object") {
return "";
}
if ("position" in value || "type" in value) {
return position(value.position);
}
if ("start" in value || "end" in value) {
return position(value);
}
if ("line" in value || "column" in value) {
return point(value);
}
return "";
}
function point(point2) {
return index(point2 && point2.line) + ":" + index(point2 && point2.column);
}
function position(pos) {
return point(pos && pos.start) + "-" + point(pos && pos.end);
}
function index(value) {
return value && typeof value === "number" ? value : 1;
}
class VFileMessage extends Error {
/**
* Create a message for `reason` at `place` from `origin`.
*
* When an error is passed in as `reason`, the `stack` is copied.
*
* @param {string | Error | VFileMessage} reason
* Reason for message, uses the stack and message of the error if given.
*
* > 👉 **Note**: you should use markdown.
* @param {Node | NodeLike | Position | Point | null | undefined} [place]
* Place in file where the message occurred.
* @param {string | null | undefined} [origin]
* Place in code where the message originates (example:
* `'my-package:my-rule'` or `'my-rule'`).
* @returns
* Instance of `VFileMessage`.
*/
// To do: next major: expose `undefined` everywhere instead of `null`.
constructor(reason, place, origin) {
const parts = [null, null];
let position2 = {
// @ts-expect-error: we always follows the structure of `position`.
start: { line: null, column: null },
// @ts-expect-error: "
end: { line: null, column: null }
};
super();
if (typeof place === "string") {
origin = place;
place = void 0;
}
if (typeof origin === "string") {
const index2 = origin.indexOf(":");
if (index2 === -1) {
parts[1] = origin;
} else {
parts[0] = origin.slice(0, index2);
parts[1] = origin.slice(index2 + 1);
}
}
if (place) {
if ("type" in place || "position" in place) {
if (place.position) {
position2 = place.position;
}
} else if ("start" in place || "end" in place) {
position2 = place;
} else if ("line" in place || "column" in place) {
position2.start = place;
}
}
this.name = stringifyPosition(place) || "1:1";
this.message = typeof reason === "object" ? reason.message : reason;
this.stack = "";
if (typeof reason === "object" && reason.stack) {
this.stack = reason.stack;
}
this.reason = this.message;
this.fatal;
this.line = position2.start.line;
this.column = position2.start.column;
this.position = position2;
this.source = parts[0];
this.ruleId = parts[1];
this.file;
this.actual;
this.expected;
this.url;
this.note;
}
}
VFileMessage.prototype.file = "";
VFileMessage.prototype.name = "";
VFileMessage.prototype.reason = "";
VFileMessage.prototype.message = "";
VFileMessage.prototype.stack = "";
VFileMessage.prototype.fatal = null;
VFileMessage.prototype.column = null;
VFileMessage.prototype.line = null;
VFileMessage.prototype.source = null;
VFileMessage.prototype.ruleId = null;
VFileMessage.prototype.position = null;
const path = { basename, dirname, extname, join, sep: "/" };
function basename(path2, ext) {
if (ext !== void 0 && typeof ext !== "string") {
throw new TypeError('"ext" argument must be a string');
}
assertPath$1(path2);
let start = 0;
let end = -1;
let index2 = path2.length;
let seenNonSlash;
if (ext === void 0 || ext.length === 0 || ext.length > path2.length) {
while (index2--) {
if (path2.charCodeAt(index2) === 47) {
if (seenNonSlash) {
start = index2 + 1;
break;
}
} else if (end < 0) {
seenNonSlash = true;
end = index2 + 1;
}
}
return end < 0 ? "" : path2.slice(start, end);
}
if (ext === path2) {
return "";
}
let firstNonSlashEnd = -1;
let extIndex = ext.length - 1;
while (index2--) {
if (path2.charCodeAt(index2) === 47) {
if (seenNonSlash) {
start = index2 + 1;
break;
}
} else {
if (firstNonSlashEnd < 0) {
seenNonSlash = true;
firstNonSlashEnd = index2 + 1;
}
if (extIndex > -1) {
if (path2.charCodeAt(index2) === ext.charCodeAt(extIndex--)) {
if (extIndex < 0) {
end = index2;
}
} else {
extIndex = -1;
end = firstNonSlashEnd;
}
}
}
}
if (start === end) {
end = firstNonSlashEnd;
} else if (end < 0) {
end = path2.length;
}
return path2.slice(start, end);
}
function dirname(path2) {
assertPath$1(path2);
if (path2.length === 0) {
return ".";
}
let end = -1;
let index2 = path2.length;
let unmatchedSlash;
while (--index2) {
if (path2.charCodeAt(index2) === 47) {
if (unmatchedSlash) {
end = index2;
break;
}
} else if (!unmatchedSlash) {
unmatchedSlash = true;
}
}
return end < 0 ? path2.charCodeAt(0) === 47 ? "/" : "." : end === 1 && path2.charCodeAt(0) === 47 ? "//" : path2.slice(0, end);
}
function extname(path2) {
assertPath$1(path2);
let index2 = path2.length;
let end = -1;
let startPart = 0;
let startDot = -1;
let preDotState = 0;
let unmatchedSlash;
while (index2--) {
const code = path2.charCodeAt(index2);
if (code === 47) {
if (unmatchedSlash) {
startPart = index2 + 1;
break;
}
continue;
}
if (end < 0) {
unmatchedSlash = true;
end = index2 + 1;
}
if (code === 46) {
if (startDot < 0) {
startDot = index2;
} else if (preDotState !== 1) {
preDotState = 1;
}
} else if (startDot > -1) {
preDotState = -1;
}
}
if (startDot < 0 || end < 0 || // We saw a non-dot character immediately before the dot.
preDotState === 0 || // The (right-most) trimmed path component is exactly `..`.
preDotState === 1 && startDot === end - 1 && startDot === startPart + 1) {
return "";
}
return path2.slice(startDot, end);
}
function join(...segments) {
let index2 = -1;
let joined;
while (++index2 < segments.length) {
assertPath$1(segments[index2]);
if (segments[index2]) {
joined = joined === void 0 ? segments[index2] : joined + "/" + segments[index2];
}
}
return joined === void 0 ? "." : normalize(joined);
}
function normalize(path2) {
assertPath$1(path2);
const absolute = path2.charCodeAt(0) === 47;
let value = normalizeString(path2, !absolute);
if (value.length === 0 && !absolute) {
value = ".";
}
if (value.length > 0 && path2.charCodeAt(path2.length - 1) === 47) {
value += "/";
}
return absolute ? "/" + value : value;
}
function normalizeString(path2, allowAboveRoot) {
let result = "";
let lastSegmentLength = 0;
let lastSlash = -1;
let dots = 0;
let index2 = -1;
let code;
let lastSlashIndex;
while (++index2 <= path2.length) {
if (index2 < path2.length) {
code = path2.charCodeAt(index2);
} else if (code === 47) {
break;
} else {
code = 47;
}
if (code === 47) {
if (lastSlash === index2 - 1 || dots === 1) ;
else if (lastSlash !== index2 - 1 && dots === 2) {
if (result.length < 2 || lastSegmentLength !== 2 || result.charCodeAt(result.length - 1) !== 46 || result.charCodeAt(result.length - 2) !== 46) {
if (result.length > 2) {
lastSlashIndex = result.lastIndexOf("/");
if (lastSlashIndex !== result.length - 1) {
if (lastSlashIndex < 0) {
result = "";
lastSegmentLength = 0;
} else {
result = result.slice(0, lastSlashIndex);
lastSegmentLength = result.length - 1 - result.lastIndexOf("/");
}
lastSlash = index2;
dots = 0;
continue;
}
} else if (result.length > 0) {
result = "";
lastSegmentLength = 0;
lastSlash = index2;
dots = 0;
continue;
}
}
if (allowAboveRoot) {
result = result.length > 0 ? result + "/.." : "..";
lastSegmentLength = 2;
}
} else {
if (result.length > 0) {
result += "/" + path2.slice(lastSlash + 1, index2);
} else {
result = path2.slice(lastSlash + 1, index2);
}
lastSegmentLength = index2 - lastSlash - 1;
}
lastSlash = index2;
dots = 0;
} else if (code === 46 && dots > -1) {
dots++;
} else {
dots = -1;
}
}
return result;
}
function assertPath$1(path2) {
if (typeof path2 !== "string") {
throw new TypeError(
"Path must be a string. Received " + JSON.stringify(path2)
);
}
}
const proc = { cwd };
function cwd() {
return "/";
}
function isUrl(fileUrlOrPath) {
return fileUrlOrPath !== null && typeof fileUrlOrPath === "object" && // @ts-expect-error: indexable.
fileUrlOrPath.href && // @ts-expect-error: indexable.
fileUrlOrPath.origin;
}
function urlToPath(path2) {
if (typeof path2 === "string") {
path2 = new URL(path2);
} else if (!isUrl(path2)) {
const error = new TypeError(
'The "path" argument must be of type string or an instance of URL. Received `' + path2 + "`"
);
error.code = "ERR_INVALID_ARG_TYPE";
throw error;
}
if (path2.protocol !== "file:") {
const error = new TypeError("The URL must be of scheme file");
error.code = "ERR_INVALID_URL_SCHEME";
throw error;
}
return getPathFromURLPosix(path2);
}
function getPathFromURLPosix(url) {
if (url.hostname !== "") {
const error = new TypeError(
'File URL host must be "localhost" or empty on darwin'
);
error.code = "ERR_INVALID_FILE_URL_HOST";
throw error;
}
const pathname = url.pathname;
let index2 = -1;
while (++index2 < pathname.length) {
if (pathname.charCodeAt(index2) === 37 && pathname.charCodeAt(index2 + 1) === 50) {
const third = pathname.charCodeAt(index2 + 2);
if (third === 70 || third === 102) {
const error = new TypeError(
"File URL path must not include encoded / characters"
);
error.code = "ERR_INVALID_FILE_URL_PATH";
throw error;
}
}
}
return decodeURIComponent(pathname);
}
const order = ["history", "path", "basename", "stem", "extname", "dirname"];
class VFile {
/**
* Create a new virtual file.
*
* `options` is treated as:
*
* * `string` or `Buffer` — `{value: options}`
* * `URL` — `{path: options}`
* * `VFile` — shallow copies its data over to the new file
* * `object` — all fields are shallow copied over to the new file
*
* Path related fields are set in the following order (least specific to
* most specific): `history`, `path`, `basename`, `stem`, `extname`,
* `dirname`.
*
* You cannot set `dirname` or `extname` without setting either `history`,
* `path`, `basename`, or `stem` too.
*
* @param {Compatible | null | undefined} [value]
* File value.
* @returns
* New instance.
*/
constructor(value) {
let options;
if (!value) {
options = {};
} else if (typeof value === "string" || buffer(value)) {
options = { value };
} else if (isUrl(value)) {
options = { path: value };
} else {
options = value;
}
this.data = {};
this.messages = [];
this.history = [];
this.cwd = proc.cwd();
this.value;
this.stored;
this.result;
this.map;
let index2 = -1;
while (++index2 < order.length) {
const prop2 = order[index2];
if (prop2 in options && options[prop2] !== void 0 && options[prop2] !== null) {
this[prop2] = prop2 === "history" ? [...options[prop2]] : options[prop2];
}
}
let prop;
for (prop in options) {
if (!order.includes(prop)) {
this[prop] = options[prop];
}
}
}
/**
* Get the full path (example: `'~/index.min.js'`).
*
* @returns {string}
*/
get path() {
return this.history[this.history.length - 1];
}
/**
* Set the full path (example: `'~/index.min.js'`).
*
* Cannot be nullified.
* You can set a file URL (a `URL` object with a `file:` protocol) which will
* be turned into a path with `url.fileURLToPath`.
*
* @param {string | URL} path
*/
set path(path2) {
if (isUrl(path2)) {
path2 = urlToPath(path2);
}
assertNonEmpty(path2, "path");
if (this.path !== path2) {
this.history.push(path2);
}
}
/**
* Get the parent path (example: `'~'`).
*/
get dirname() {
return typeof this.path === "string" ? path.dirname(this.path) : void 0;
}
/**
* Set the parent path (example: `'~'`).
*
* Cannot be set if theres no `path` yet.
*/
set dirname(dirname2) {
assertPath(this.basename, "dirname");
this.path = path.join(dirname2 || "", this.basename);
}
/**
* Get the basename (including extname) (example: `'index.min.js'`).
*/
get basename() {
return typeof this.path === "string" ? path.basename(this.path) : void 0;
}
/**
* Set basename (including extname) (`'index.min.js'`).
*
* Cannot contain path separators (`'/'` on unix, macOS, and browsers, `'\'`
* on windows).
* Cannot be nullified (use `file.path = file.dirname` instead).
*/
set basename(basename2) {
assertNonEmpty(basename2, "basename");
assertPart(basename2, "basename");
this.path = path.join(this.dirname || "", basename2);
}
/**
* Get the extname (including dot) (example: `'.js'`).
*/
get extname() {
return typeof this.path === "string" ? path.extname(this.path) : void 0;
}
/**
* Set the extname (including dot) (example: `'.js'`).
*
* Cannot contain path separators (`'/'` on unix, macOS, and browsers, `'\'`
* on windows).
* Cannot be set if theres no `path` yet.
*/
set extname(extname2) {
assertPart(extname2, "extname");
assertPath(this.dirname, "extname");
if (extname2) {
if (extname2.charCodeAt(0) !== 46) {
throw new Error("`extname` must start with `.`");
}
if (extname2.includes(".", 1)) {
throw new Error("`extname` cannot contain multiple dots");
}
}
this.path = path.join(this.dirname, this.stem + (extname2 || ""));
}
/**
* Get the stem (basename w/o extname) (example: `'index.min'`).
*/
get stem() {
return typeof this.path === "string" ? path.basename(this.path, this.extname) : void 0;
}
/**
* Set the stem (basename w/o extname) (example: `'index.min'`).
*
* Cannot contain path separators (`'/'` on unix, macOS, and browsers, `'\'`
* on windows).
* Cannot be nullified (use `file.path = file.dirname` instead).
*/
set stem(stem) {
assertNonEmpty(stem, "stem");
assertPart(stem, "stem");
this.path = path.join(this.dirname || "", stem + (this.extname || ""));
}
/**
* Serialize the file.
*
* @param {BufferEncoding | null | undefined} [encoding='utf8']
* Character encoding to understand `value` as when its a `Buffer`
* (default: `'utf8'`).
* @returns {string}
* Serialized file.
*/
toString(encoding) {
return (this.value || "").toString(encoding || void 0);
}
/**
* Create a warning message associated with the file.
*
* Its `fatal` is set to `false` and `file` is set to the current file path.
* Its added to `file.messages`.
*
* @param {string | Error | VFileMessage} reason
* Reason for message, uses the stack and message of the error if given.
* @param {Node | NodeLike | Position | Point | null | undefined} [place]
* Place in file where the message occurred.
* @param {string | null | undefined} [origin]
* Place in code where the message originates (example:
* `'my-package:my-rule'` or `'my-rule'`).
* @returns {VFileMessage}
* Message.
*/
message(reason, place, origin) {
const message = new VFileMessage(reason, place, origin);
if (this.path) {
message.name = this.path + ":" + message.name;
message.file = this.path;
}
message.fatal = false;
this.messages.push(message);
return message;
}
/**
* Create an info message associated with the file.
*
* Its `fatal` is set to `null` and `file` is set to the current file path.
* Its added to `file.messages`.
*
* @param {string | Error | VFileMessage} reason
* Reason for message, uses the stack and message of the error if given.
* @param {Node | NodeLike | Position | Point | null | undefined} [place]
* Place in file where the message occurred.
* @param {string | null | undefined} [origin]
* Place in code where the message originates (example:
* `'my-package:my-rule'` or `'my-rule'`).
* @returns {VFileMessage}
* Message.
*/
info(reason, place, origin) {
const message = this.message(reason, place, origin);
message.fatal = null;
return message;
}
/**
* Create a fatal error associated with the file.
*
* Its `fatal` is set to `true` and `file` is set to the current file path.
* Its added to `file.messages`.
*
* > 👉 **Note**: a fatal error means that a file is no longer processable.
*
* @param {string | Error | VFileMessage} reason
* Reason for message, uses the stack and message of the error if given.
* @param {Node | NodeLike | Position | Point | null | undefined} [place]
* Place in file where the message occurred.
* @param {string | null | undefined} [origin]
* Place in code where the message originates (example:
* `'my-package:my-rule'` or `'my-rule'`).
* @returns {never}
* Message.
* @throws {VFileMessage}
* Message.
*/
fail(reason, place, origin) {
const message = this.message(reason, place, origin);
message.fatal = true;
throw message;
}
}
function assertPart(part, name) {
if (part && part.includes(path.sep)) {
throw new Error(
"`" + name + "` cannot be a path: did not expect `" + path.sep + "`"
);
}
}
function assertNonEmpty(part, name) {
if (!part) {
throw new Error("`" + name + "` cannot be empty");
}
}
function assertPath(path2, name) {
if (!path2) {
throw new Error("Setting `" + name + "` requires `path` to be set too");
}
}
function buffer(value) {
return isBuffer(value);
}
const unified = base().freeze();
const own = {}.hasOwnProperty;
function base() {
const transformers = trough();
const attachers = [];
let namespace = {};
let frozen;
let freezeIndex = -1;
processor.data = data;
processor.Parser = void 0;
processor.Compiler = void 0;
processor.freeze = freeze;
processor.attachers = attachers;
processor.use = use;
processor.parse = parse2;
processor.stringify = stringify;
processor.run = run;
processor.runSync = runSync;
processor.process = process;
processor.processSync = processSync;
return processor;
function processor() {
const destination = base();
let index2 = -1;
while (++index2 < attachers.length) {
destination.use(...attachers[index2]);
}
destination.data(extend(true, {}, namespace));
return destination;
}
function data(key, value) {
if (typeof key === "string") {
if (arguments.length === 2) {
assertUnfrozen("data", frozen);
namespace[key] = value;
return processor;
}
return own.call(namespace, key) && namespace[key] || null;
}
if (key) {
assertUnfrozen("data", frozen);
namespace = key;
return processor;
}
return namespace;
}
function freeze() {
if (frozen) {
return processor;
}
while (++freezeIndex < attachers.length) {
const [attacher, ...options] = attachers[freezeIndex];
if (options[0] === false) {
continue;
}
if (options[0] === true) {
options[0] = void 0;
}
const transformer = attacher.call(processor, ...options);
if (typeof transformer === "function") {
transformers.use(transformer);
}
}
frozen = true;
freezeIndex = Number.POSITIVE_INFINITY;
return processor;
}
function use(value, ...options) {
let settings;
assertUnfrozen("use", frozen);
if (value === null || value === void 0) ;
else if (typeof value === "function") {
addPlugin(value, ...options);
} else if (typeof value === "object") {
if (Array.isArray(value)) {
addList(value);
} else {
addPreset(value);
}
} else {
throw new TypeError("Expected usable value, not `" + value + "`");
}
if (settings) {
namespace.settings = Object.assign(namespace.settings || {}, settings);
}
return processor;
function add(value2) {
if (typeof value2 === "function") {
addPlugin(value2);
} else if (typeof value2 === "object") {
if (Array.isArray(value2)) {
const [plugin, ...options2] = value2;
addPlugin(plugin, ...options2);
} else {
addPreset(value2);
}
} else {
throw new TypeError("Expected usable value, not `" + value2 + "`");
}
}
function addPreset(result) {
addList(result.plugins);
if (result.settings) {
settings = Object.assign(settings || {}, result.settings);
}
}
function addList(plugins) {
let index2 = -1;
if (plugins === null || plugins === void 0) ;
else if (Array.isArray(plugins)) {
while (++index2 < plugins.length) {
const thing = plugins[index2];
add(thing);
}
} else {
throw new TypeError("Expected a list of plugins, not `" + plugins + "`");
}
}
function addPlugin(plugin, value2) {
let index2 = -1;
let entry;
while (++index2 < attachers.length) {
if (attachers[index2][0] === plugin) {
entry = attachers[index2];
break;
}
}
if (entry) {
if (isPlainObject(entry[1]) && isPlainObject(value2)) {
value2 = extend(true, entry[1], value2);
}
entry[1] = value2;
} else {
attachers.push([...arguments]);
}
}
}
function parse2(doc) {
processor.freeze();
const file = vfile(doc);
const Parser = processor.Parser;
assertParser("parse", Parser);
if (newable(Parser, "parse")) {
return new Parser(String(file), file).parse();
}
return Parser(String(file), file);
}
function stringify(node, doc) {
processor.freeze();
const file = vfile(doc);
const Compiler = processor.Compiler;
assertCompiler("stringify", Compiler);
assertNode(node);
if (newable(Compiler, "compile")) {
return new Compiler(node, file).compile();
}
return Compiler(node, file);
}
function run(node, doc, callback) {
assertNode(node);
processor.freeze();
if (!callback && typeof doc === "function") {
callback = doc;
doc = void 0;
}
if (!callback) {
return new Promise(executor);
}
executor(null, callback);
function executor(resolve, reject) {
transformers.run(node, vfile(doc), done);
function done(error, tree, file) {
tree = tree || node;
if (error) {
reject(error);
} else if (resolve) {
resolve(tree);
} else {
callback(null, tree, file);
}
}
}
}
function runSync(node, file) {
let result;
let complete;
processor.run(node, file, done);
assertDone("runSync", "run", complete);
return result;
function done(error, tree) {
bail(error);
result = tree;
complete = true;
}
}
function process(doc, callback) {
processor.freeze();
assertParser("process", processor.Parser);
assertCompiler("process", processor.Compiler);
if (!callback) {
return new Promise(executor);
}
executor(null, callback);
function executor(resolve, reject) {
const file = vfile(doc);
processor.run(processor.parse(file), file, (error, tree, file2) => {
if (error || !tree || !file2) {
done(error);
} else {
const result = processor.stringify(tree, file2);
if (result === void 0 || result === null) ;
else if (looksLikeAVFileValue(result)) {
file2.value = result;
} else {
file2.result = result;
}
done(error, file2);
}
});
function done(error, file2) {
if (error || !file2) {
reject(error);
} else if (resolve) {
resolve(file2);
} else {
callback(null, file2);
}
}
}
}
function processSync(doc) {
let complete;
processor.freeze();
assertParser("processSync", processor.Parser);
assertCompiler("processSync", processor.Compiler);
const file = vfile(doc);
processor.process(file, done);
assertDone("processSync", "process", complete);
return file;
function done(error) {
complete = true;
bail(error);
}
}
}
function newable(value, name) {
return typeof value === "function" && // Prototypes do exist.
// type-coverage:ignore-next-line
value.prototype && // A function with keys in its prototype is probably a constructor.
// Classes prototype methods are not enumerable, so we check if some value
// exists in the prototype.
// type-coverage:ignore-next-line
(keys(value.prototype) || name in value.prototype);
}
function keys(value) {
let key;
for (key in value) {
if (own.call(value, key)) {
return true;
}
}
return false;
}
function assertParser(name, value) {
if (typeof value !== "function") {
throw new TypeError("Cannot `" + name + "` without `Parser`");
}
}
function assertCompiler(name, value) {
if (typeof value !== "function") {
throw new TypeError("Cannot `" + name + "` without `Compiler`");
}
}
function assertUnfrozen(name, frozen) {
if (frozen) {
throw new Error(
"Cannot call `" + name + "` on a frozen processor.\nCreate a new processor first, by calling it: use `processor()` instead of `processor`."
);
}
}
function assertNode(node) {
if (!isPlainObject(node) || typeof node.type !== "string") {
throw new TypeError("Expected node, got `" + node + "`");
}
}
function assertDone(name, asyncName, complete) {
if (!complete) {
throw new Error(
"`" + name + "` finished async. Use `" + asyncName + "` instead"
);
}
}
function vfile(value) {
return looksLikeAVFile(value) ? value : new VFile(value);
}
function looksLikeAVFile(value) {
return Boolean(
value && typeof value === "object" && "message" in value && "messages" in value
);
}
function looksLikeAVFileValue(value) {
return typeof value === "string" || isBuffer(value);
}
function parseMinimal(str) {
return unifiedLatexUtilPegjs.LatexPegParser.parse(str);
}
function parseMathMinimal(str) {
return unifiedLatexUtilPegjs.LatexPegParser.parse(str, { startRule: "math" });
}
const unifiedLatexFromStringMinimal = function unifiedLatexFromStringMinimal2(options) {
const parser2 = (str) => {
if ((options == null ? void 0 : options.mode) === "math") {
return {
type: "root",
content: parseMathMinimal(str),
_renderInfo: { inMathMode: true }
};
}
return parseMinimal(str);
};
Object.assign(this, { Parser: parser2 });
};
const unifiedLatexReparseMath = function unifiedLatexReparseMath2(options) {
const { mathEnvs = [], mathMacros = [] } = options || {};
return unifiedLatexReparseMathConstructPlugin({ mathMacros, mathEnvs });
};
function unifiedLatexReparseMathConstructPlugin({
mathEnvs,
mathMacros
}) {
const isMathEnvironment = unifiedLatexUtilMatch.match.createEnvironmentMatcher(mathEnvs);
const isMathMacro = unifiedLatexUtilMatch.match.createMacroMatcher(mathMacros);
return (tree) => {
unifiedLatexUtilVisit.visit(
tree,
(node) => {
if (unifiedLatexUtilMatch.match.anyMacro(node)) {
for (const arg of node.args || []) {
if (arg.content.length > 0 && !wasParsedInMathMode(arg.content)) {
arg.content = parseMathMinimal(
unifiedLatexUtilPrintRaw.printRaw(arg.content)
);
}
}
}
if (unifiedLatexUtilMatch.match.anyEnvironment(node)) {
if (!wasParsedInMathMode(node.content)) {
node.content = parseMathMinimal(unifiedLatexUtilPrintRaw.printRaw(node.content));
}
}
},
{
test: (node) => isMathEnvironment(node) || isMathMacro(node)
}
);
};
}
function wasParsedInMathMode(nodes) {
return !nodes.some(
(node) => (
// If there are multi-char strings or ^ and _ have been parsed as strings, we know
// that we were not parsed in math mode.
unifiedLatexUtilMatch.match.anyString(node) && node.content.length > 1 || unifiedLatexUtilMatch.match.string(node, "^") || unifiedLatexUtilMatch.match.string(node, "_")
)
);
}
const unifiedLatexProcessMacrosAndEnvironmentsWithMathReparse = function unifiedLatexProcessMacrosAndEnvironmentsWithMathReparse2(options) {
const { environments = {}, macros = {} } = options || {};
const mathMacros = Object.fromEntries(
Object.entries(macros).filter(
([_, info]) => {
var _a;
return ((_a = info.renderInfo) == null ? void 0 : _a.inMathMode) === true;
}
)
);
const mathEnvs = Object.fromEntries(
Object.entries(environments).filter(
([_, info]) => {
var _a;
return ((_a = info.renderInfo) == null ? void 0 : _a.inMathMode) === true;
}
)
);
const mathReparser = unifiedLatexReparseMathConstructPlugin({
mathEnvs: Object.keys(mathEnvs),
mathMacros: Object.keys(mathMacros)
});
const isRelevantEnvironment = unifiedLatexUtilMatch.match.createEnvironmentMatcher(environments);
const isRelevantMathEnvironment = unifiedLatexUtilMatch.match.createEnvironmentMatcher(mathEnvs);
return (tree) => {
unifiedLatexUtilVisit.visit(
tree,
{
enter: (nodes) => {
if (!Array.isArray(nodes)) {
return;
}
unifiedLatexUtilArguments.attachMacroArgsInArray(nodes, mathMacros);
},
leave: (node) => {
if (!isRelevantMathEnvironment(node)) {
return;
}
const envName = unifiedLatexUtilPrintRaw.printRaw(node.env);
const envInfo = environments[envName];
if (!envInfo) {
throw new Error(
`Could not find environment info for environment "${envName}"`
);
}
unifiedLatexUtilEnvironments.processEnvironment(node, envInfo);
}
},
{ includeArrays: true }
);
mathReparser(tree);
unifiedLatexUtilVisit.visit(
tree,
{
enter: (nodes) => {
if (!Array.isArray(nodes)) {
return;
}
unifiedLatexUtilArguments.attachMacroArgsInArray(nodes, macros);
},
leave: (node) => {
if (!isRelevantEnvironment(node)) {
return;
}
const envName = unifiedLatexUtilPrintRaw.printRaw(node.env);
const envInfo = environments[envName];
if (!envInfo) {
throw new Error(
`Could not find environment info for environment "${envName}"`
);
}
unifiedLatexUtilEnvironments.processEnvironment(node, envInfo);
}
},
{ includeArrays: true }
);
};
};
const unifiedLatexProcessAtLetterAndExplMacros = function unifiedLatexProcessAtLetterAndExplMacros2(options) {
let {
atLetter = false,
expl3 = false,
autodetectExpl3AndAtLetter = false
} = options || {};
return (tree) => {
unifiedLatexUtilCatcode.reparseExpl3AndAtLetterRegions(tree);
if (atLetter || expl3) {
autodetectExpl3AndAtLetter = false;
}
if (autodetectExpl3AndAtLetter) {
atLetter = unifiedLatexUtilCatcode.hasReparsableMacroNames(tree, "@");
expl3 = unifiedLatexUtilCatcode.hasReparsableMacroNames(tree, "_");
}
const charSet = /* @__PURE__ */ new Set();
if (atLetter) {
charSet.add("@");
}
if (expl3) {
charSet.add(":");
charSet.add("_");
}
if (charSet.size > 0) {
unifiedLatexUtilCatcode.reparseMacroNames(tree, charSet);
}
};
};
const unifiedLatexFromString = function unifiedLatexFromString2(options) {
const {
mode = "regular",
macros = {},
environments = {},
flags: {
atLetter = false,
expl3 = false,
autodetectExpl3AndAtLetter = false
} = {}
} = options || {};
const allMacroInfo = Object.assign(
{},
...Object.values(unifiedLatexCtan.macroInfo),
macros
);
const allEnvInfo = Object.assign(
{},
...Object.values(unifiedLatexCtan.environmentInfo),
environments
);
const fullParser = unified().use(unifiedLatexFromStringMinimal, { mode }).use(unifiedLatexProcessAtLetterAndExplMacros, {
atLetter,
expl3,
autodetectExpl3AndAtLetter
}).use(unifiedLatexProcessMacrosAndEnvironmentsWithMathReparse, {
macros: allMacroInfo,
environments: allEnvInfo
}).use(unifiedLatexUtilTrim.unifiedLatexTrimEnvironmentContents).use(unifiedLatexUtilTrim.unifiedLatexTrimRoot).use(unifiedLatexAstComplier);
const parser2 = (str) => {
const file = fullParser.processSync({ value: str });
return file.result;
};
Object.assign(this, { Parser: parser2 });
};
let parser = unified().use(unifiedLatexFromString).freeze();
function parse(str) {
return parser.parse(str);
}
function getParser(options) {
return options ? unified().use(unifiedLatexFromString, options).freeze() : parser;
}
function parseMath(str) {
if (typeof str !== "string") {
str = unifiedLatexUtilPrintRaw.printRaw(str);
}
const file = unified().use(unifiedLatexFromString, { mode: "math" }).use(unifiedLatexAstComplier).processSync({ value: str });
return file.result.content;
}
exports.getParser = getParser;
exports.parse = parse;
exports.parseMath = parseMath;
exports.parseMathMinimal = parseMathMinimal;
exports.parseMinimal = parseMinimal;
exports.unifiedLatexAstComplier = unifiedLatexAstComplier;
exports.unifiedLatexFromString = unifiedLatexFromString;
exports.unifiedLatexFromStringMinimal = unifiedLatexFromStringMinimal;
exports.unifiedLatexProcessAtLetterAndExplMacros = unifiedLatexProcessAtLetterAndExplMacros;
exports.unifiedLatexProcessMacrosAndEnvironmentsWithMathReparse = unifiedLatexProcessMacrosAndEnvironmentsWithMathReparse;
exports.unifiedLatexReparseMath = unifiedLatexReparseMath;
exports.unifiedLatexReparseMathConstructPlugin = unifiedLatexReparseMathConstructPlugin;
//# sourceMappingURL=index.cjs.map