1 | 'use strict'
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2 |
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3 | const util = require('./util')
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4 | const Args = require('args-js')
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5 | const sliced = require('sliced')
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6 | const nodeify = require('nodeify')
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7 | const promise = require('cb2promise')
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8 |
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9 | const DEFAULTS_OPTS = {
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10 | SAVE: {
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11 | indent: ' '
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12 | },
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13 | STRINGIFY: {
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14 | SPACE: 2
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15 | }
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16 | }
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17 |
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18 | function getStringifyParams (params) {
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19 | return Args([
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20 | { data: Args.OBJECT | Args.Required },
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21 | { replacer: Args.FUNCTION | Args.Optional },
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22 | { space: Args.INT | Args.Optional, _default: DEFAULTS_OPTS.STRINGIFY.SPACE }
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23 | ], params)
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24 | }
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25 |
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26 | function stringifyAsync () {
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27 | const args = sliced(arguments)
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28 | const cb = typeof args[args.length - 1] === 'function' ? args.pop() : null
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29 |
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30 | const params = getStringifyParams(args)
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31 | const data = params.data
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32 | const replacer = params.replacer
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33 | const space = params.space
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34 |
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35 | if (!cb) return promise(util.stringifyAsync, data, replacer, space)
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36 | return util.stringifyAsync(data, replacer, space, cb)
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37 | }
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38 |
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39 | function stringify () {
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40 | const params = getStringifyParams(arguments)
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41 | const data = params.data
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42 | const replacer = params.replacer
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43 | const space = params.space
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44 |
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45 | return util.stringify(data, replacer, space)
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46 | }
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47 |
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48 | function parseAsync () {
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49 | const args = sliced(arguments)
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50 | const cb = typeof args[args.length - 1] === 'function' ? args.pop() : null
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51 |
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52 | const params = Args([
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53 | { data: Args.STRING | Args.Required, _check: (data) => data.toString() },
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54 | { reviver: Args.FUNCTION | Args.Optional },
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55 | { filename: Args.STRING | Args.Optional }
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56 | ], args)
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57 |
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58 | const data = params.data
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59 | const reviver = params.reviver
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60 | const filename = params.filename
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61 |
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62 | if (!cb) return promise(util.parseAsync, data, reviver, filename)
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63 | return util.parseAsync(data, reviver, filename, cb)
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64 | }
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65 |
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66 | function loadAsync () {
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67 | const params = Args([
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68 | { filepath: Args.STRING | Args.Required },
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69 | { cb: Args.FUNCTION | Args.Optional }
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70 | ], arguments)
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71 |
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72 | const filepath = params.filepath
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73 | const cb = params.cb
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74 |
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75 | if (cb) return nodeify(util.loadAsync(filepath), cb)
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76 | return util.loadAsync(filepath)
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77 | }
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78 |
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79 | function load () {
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80 | const params = Args([
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81 | { filepath: Args.STRING | Args.Required }
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82 | ], arguments)
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83 |
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84 | const filepath = params.filepath
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85 |
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86 | return util.load(filepath)
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87 | }
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88 |
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89 | function saveAsync () {
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90 | const params = Args([
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91 | { filepath: Args.STRING | Args.Required },
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92 | { data: Args.OBJECT | Args.Required },
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93 | { opts: Args.OBJECT | Args.Optional, _default: DEFAULTS_OPTS.SAVE },
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94 | { cb: Args.FUNCTION | Args.Optional }
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95 | ], arguments)
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96 |
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97 | const filepath = params.filepath
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98 | const data = params.data
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99 | const opts = params.opts
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100 | const cb = params.cb
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101 |
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102 | if (cb) return nodeify(util.saveAsync(filepath, data, opts), cb)
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103 | return util.saveAsync(filepath, data, opts)
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104 | }
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105 |
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106 | function save () {
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107 | const params = Args([
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108 | { filepath: Args.STRING | Args.Required },
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109 | { data: Args.OBJECT | Args.Required },
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110 | { opts: Args.OBJECT | Args.Optional, _default: DEFAULTS_OPTS.SAVE }
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111 | ], arguments)
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112 |
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113 | const filepath = params.filepath
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114 | const data = params.data
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115 | const opts = params.opts
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116 |
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117 | return util.save(filepath, data, opts)
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118 | }
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119 |
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120 | module.exports = {
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121 | stringifyAsync: stringifyAsync,
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122 | stringify: stringify,
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123 | parseAsync: parseAsync,
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124 | parse: util.parse,
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125 | loadAsync: loadAsync,
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126 | load: load,
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127 | saveAsync: saveAsync,
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128 | save: save
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129 | }
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