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import fs from 'fs';

import fsExtra from 'fs-extra';

import { build } from 'esbuild';

import { esbuildConfig } from '../../esbuild-config.js';

import esbuildPluginStripMeta from '../../tasks/compress_attributes.js';

import common from './common.js';

var basePlugins = esbuildConfig.plugins;

/** Convenience bundle wrapper

*

* @param {string} pathToIndex path to index file to bundle

* @param {string} pathToBunlde path to destination bundle

* @param {object} opts

* Bundle options:

* - standalone {string}

* Additional option:

* - noCompressAttributes {boolean} skip attribute meta compression?

* @param {function} cb callback

*

* Otherwise outputs two file: one un-minified bundle and one minified bundle.

*

* Logs basename of bundle when completed.

*/

export default async function _bundle(pathToIndex, pathToBundle, opts, cb) {

opts = opts || {};

var config = { ...esbuildConfig };

config.entryPoints = [pathToIndex];

config.outfile = pathToBundle;

config.minify = !!opts.minify;

if (!opts.noCompressAttributes) {

config.plugins = basePlugins.concat([esbuildPluginStripMeta]);

}

if (opts.noPlugins) config.plugins = [];

await build(config);

addWrapper(pathToBundle);

if (cb) cb();

}

// Until https://github.com/evanw/esbuild/pull/513 is merged

// Thanks to https://github.com/prantlf and https://github.com/birkskyum

function addWrapper(path) {

common.prependFile(

path,

[

'(',

' function(root, factory) {',

' if (typeof module === "object" && module.exports) {',

' module.exports = factory();',

' } else {',

' root.moduleName = factory();',

' }',

'} (typeof self !== "undefined" ? self : this, () => {',

''

].join('\n')

);

fsExtra.appendFile(path, ['', 'window.Plotly = Plotly;', 'return Plotly;', '}));'].join('\n'), common.throwOnError);

}