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 88 89 90 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 19x 19x 19x 19x 16x 3x 3x 3x 16x 13x 8x 8x 5x 5x 19x 3x 3x 11x 19x 3x 3x 8x 19x 5x 5x 19x 1x 1x 7x 19x 2x 2x 2x 2x 2x | /**
* @license Apache-2.0
*
* Copyright (c) 2018 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.
*/
'use strict';
// MODULES //
var isString = require( '@stdlib/assert/is-string' ).isPrimitive;
var isObject = require( '@stdlib/assert/is-plain-object' );
var readFile = require( '@stdlib/fs/read-file' ).sync;
var removeBOM = require( '@stdlib/string/remove-utf8-bom' );
var parseJSON = require( '@stdlib/utils/parse-json' );
var instanceOf = require( '@stdlib/assert/instance-of' );
var format = require( '@stdlib/string/format' );
// MAIN //
/**
* Synchronously reads a file as JSON.
*
* @param {(string|Buffer|integer)} file - file path or file descriptor
* @param {(Options|string)} [options] - options
* @param {(string|null)} [options.encoding] - file encoding
* @param {string} [options.flag] - file status flag
* @param {Function} [options.reviver] - JSON reviver
* @throws {TypeError} options argument must be either a string or an object
* @returns {(JSON|Error)} JSON or an error
*
* @example
* var resolve = require( 'path' ).resolve;
* var instanceOf = require( '@stdlib/assert/instance-of' );
*
* var out = readJSONSync( resolve( __dirname, '..', 'package.json' ) );
* if ( instanceOf( out, Error ) ) {
* throw out;
* }
* console.dir( out );
*/
function readJSONSync( file, options ) {
var opts;
var f;
if ( arguments.length > 1 ) {
if ( isString( options ) ) {
opts = {
'encoding': options
};
} else {
if ( !isObject( options ) ) {
throw new TypeError( format( 'invalid argument. Options argument must be either a string or an object. Value: `%s`.', options ) );
}
opts = options;
}
} else {
opts = {};
}
f = readFile( file, opts );
if ( instanceOf( f, Error ) ) {
return f;
}
f = f.toString();
if ( opts.encoding === 'utf8' ) {
f = removeBOM( f );
}
if ( opts.reviver ) {
return parseJSON( f, opts.reviver );
}
return parseJSON( f );
}
// EXPORTS //
module.exports = readJSONSync;
|