mirror of
https://github.com/swc-project/swc.git
synced 2024-12-28 08:04:43 +03:00
275 lines
7.0 KiB
TypeScript
275 lines
7.0 KiB
TypeScript
// Loaded from https://raw.githubusercontent.com/denjucks/dex/master/lib/deps/debug@4.1.1/src/common.dew.js
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import { dew as _indexDewDew } from "../../ms@2.1.2/index.dew.js";
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var exports = {},
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_dewExec = false;
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var _global = typeof globalThis !== "undefined" ? globalThis : typeof self !== "undefined" ? self : global;
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export function dew() {
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if (_dewExec) return exports;
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_dewExec = true;
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/**
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* This is the common logic for both the Node.js and web browser
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* implementations of `debug()`.
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*/
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function setup(env) {
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createDebug.debug = createDebug;
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createDebug.default = createDebug;
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createDebug.coerce = coerce;
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createDebug.disable = disable;
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createDebug.enable = enable;
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createDebug.enabled = enabled;
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createDebug.humanize = _indexDewDew();
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Object.keys(env).forEach(key => {
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createDebug[key] = env[key];
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});
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/**
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* Active `debug` instances.
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*/
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createDebug.instances = [];
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/**
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* The currently active debug mode names, and names to skip.
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*/
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createDebug.names = [];
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createDebug.skips = [];
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/**
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* Map of special "%n" handling functions, for the debug "format" argument.
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*
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* Valid key names are a single, lower or upper-case letter, i.e. "n" and "N".
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*/
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createDebug.formatters = {};
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/**
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* Selects a color for a debug namespace
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* @param {String} namespace The namespace string for the for the debug instance to be colored
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* @return {Number|String} An ANSI color code for the given namespace
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* @api private
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*/
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function selectColor(namespace) {
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let hash = 0;
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for (let i = 0; i < namespace.length; i++) {
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hash = (hash << 5) - hash + namespace.charCodeAt(i);
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hash |= 0; // Convert to 32bit integer
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}
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return createDebug.colors[Math.abs(hash) % createDebug.colors.length];
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}
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createDebug.selectColor = selectColor;
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/**
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* Create a debugger with the given `namespace`.
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*
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* @param {String} namespace
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* @return {Function}
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* @api public
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*/
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function createDebug(namespace) {
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let prevTime;
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function debug(...args) {
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// Disabled?
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if (!debug.enabled) {
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return;
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}
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const self = debug; // Set `diff` timestamp
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const curr = Number(new Date());
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const ms = curr - (prevTime || curr);
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self.diff = ms;
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self.prev = prevTime;
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self.curr = curr;
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prevTime = curr;
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args[0] = createDebug.coerce(args[0]);
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if (typeof args[0] !== 'string') {
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// Anything else let's inspect with %O
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args.unshift('%O');
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} // Apply any `formatters` transformations
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let index = 0;
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args[0] = args[0].replace(/%([a-zA-Z%])/g, (match, format) => {
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// If we encounter an escaped % then don't increase the array index
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if (match === '%%') {
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return match;
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}
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index++;
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const formatter = createDebug.formatters[format];
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if (typeof formatter === 'function') {
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const val = args[index];
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match = formatter.call(self, val); // Now we need to remove `args[index]` since it's inlined in the `format`
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args.splice(index, 1);
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index--;
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}
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return match;
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}); // Apply env-specific formatting (colors, etc.)
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createDebug.formatArgs.call(self, args);
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const logFn = self.log || createDebug.log;
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logFn.apply(self, args);
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}
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debug.namespace = namespace;
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debug.enabled = createDebug.enabled(namespace);
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debug.useColors = createDebug.useColors();
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debug.color = selectColor(namespace);
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debug.destroy = destroy;
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debug.extend = extend; // Debug.formatArgs = formatArgs;
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// debug.rawLog = rawLog;
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// env-specific initialization logic for debug instances
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if (typeof createDebug.init === 'function') {
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createDebug.init(debug);
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}
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createDebug.instances.push(debug);
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return debug;
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}
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function destroy() {
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const index = createDebug.instances.indexOf(this || _global);
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if (index !== -1) {
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createDebug.instances.splice(index, 1);
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return true;
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}
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return false;
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}
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function extend(namespace, delimiter) {
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const newDebug = createDebug((this || _global).namespace + (typeof delimiter === 'undefined' ? ':' : delimiter) + namespace);
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newDebug.log = (this || _global).log;
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return newDebug;
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}
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/**
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* Enables a debug mode by namespaces. This can include modes
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* separated by a colon and wildcards.
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*
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* @param {String} namespaces
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* @api public
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*/
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function enable(namespaces) {
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createDebug.save(namespaces);
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createDebug.names = [];
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createDebug.skips = [];
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let i;
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const split = (typeof namespaces === 'string' ? namespaces : '').split(/[\s,]+/);
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const len = split.length;
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for (i = 0; i < len; i++) {
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if (!split[i]) {
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// ignore empty strings
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continue;
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}
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namespaces = split[i].replace(/\*/g, '.*?');
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if (namespaces[0] === '-') {
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createDebug.skips.push(new RegExp('^' + namespaces.substr(1) + '$'));
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} else {
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createDebug.names.push(new RegExp('^' + namespaces + '$'));
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}
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}
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for (i = 0; i < createDebug.instances.length; i++) {
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const instance = createDebug.instances[i];
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instance.enabled = createDebug.enabled(instance.namespace);
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}
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}
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/**
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* Disable debug output.
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*
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* @return {String} namespaces
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* @api public
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*/
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function disable() {
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const namespaces = [...createDebug.names.map(toNamespace), ...createDebug.skips.map(toNamespace).map(namespace => '-' + namespace)].join(',');
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createDebug.enable('');
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return namespaces;
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}
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/**
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* Returns true if the given mode name is enabled, false otherwise.
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*
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* @param {String} name
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* @return {Boolean}
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* @api public
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*/
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function enabled(name) {
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if (name[name.length - 1] === '*') {
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return true;
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}
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let i;
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let len;
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for (i = 0, len = createDebug.skips.length; i < len; i++) {
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if (createDebug.skips[i].test(name)) {
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return false;
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}
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}
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for (i = 0, len = createDebug.names.length; i < len; i++) {
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if (createDebug.names[i].test(name)) {
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return true;
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}
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}
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return false;
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}
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/**
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* Convert regexp to namespace
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*
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* @param {RegExp} regxep
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* @return {String} namespace
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* @api private
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*/
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function toNamespace(regexp) {
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return regexp.toString().substring(2, regexp.toString().length - 2).replace(/\.\*\?$/, '*');
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}
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/**
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* Coerce `val`.
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*
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* @param {Mixed} val
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* @return {Mixed}
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* @api private
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*/
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function coerce(val) {
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if (val instanceof Error) {
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return val.stack || val.message;
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}
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return val;
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}
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createDebug.enable(createDebug.load());
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return createDebug;
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}
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exports = setup;
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return exports;
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}
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