Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 | 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 127x 127x 127x 127x 127x 127x 127x 127x 127x 127x 127x 127x 11x 11x 11x 11x 11x | /**
* @license Apache-2.0
*
* Copyright (c) 2019 The Stdlib Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* eslint-disable no-underscore-dangle */
'use strict';
// MODULES //
var isString = require( '@stdlib/assert/is-string' ).isPrimitive;
var alias2pkg = require( '@stdlib/namespace/alias2pkg' );
var indexOf = require( './../index_of.js' );
var alias2string = require( './../alias_to_string.js' );
// MAIN //
/**
* Returns a callback to be invoked upon calling the `alias2pkg` command.
*
* @private
* @param {REPL} repl - REPL instance
* @returns {Function} callback
*/
function command( repl ) {
return onCommand;
/**
* Returns the package name corresponding to a provided alias.
*
* @private
* @param {*} alias - alias
* @returns {(string|void)} package name
*/
function onCommand( alias ) {
var aliases;
var out;
var N;
var i;
aliases = repl._aliases;
N = aliases.length;
if ( isString( alias ) ) {
out = alias2pkg( alias );
}
// If provided an `alias` which is not a string or we failed to resolve a package name based on the provided string value, we try to resolve a string alias (and subsequently a corresponding package name) by searching the list of cached references of global variables/properties...
if ( !out ) {
i = indexOf( N/2, aliases, 2, 1, alias );
if ( i >= 0 ) {
out = alias2pkg( aliases[ i-1 ] );
}
}
// If we failed to resolve a package name and the provided value is an object, try finding a provided value's constructor (e.g., if provided a `Uint32Array`, try finding the package name for `Uint32Array`)...
if ( !out && typeof alias === 'object' && alias !== null && alias.constructor ) {
i = indexOf( N/2, aliases, 2, 1, alias.constructor );
if ( i >= 0 ) {
out = alias2pkg( aliases[ i-1 ] );
}
}
if ( out ) {
return out;
}
repl._ostream.write( 'Error: unrecognized alias or alias is not associated with a package (such as a\nREPL-specific command). Alias: `'+alias2string( alias )+'`.\n' );
}
}
// EXPORTS //
module.exports = command;
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