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50 lines
1.4 KiB
50 lines
1.4 KiB
var esformatter = require('esformatter')
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var stringify = require('json-literal').stringify
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var fs = require('fs')
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var path = require('path')
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/**
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* Class that writes an object to a file (using the `json-literal` module)
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* @param {*} `data` the javascript object,
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* @constructor
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*/
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function Writer (data) {
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var prettyPrint = false
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/**
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* Enable pretty printed output
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*/
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this.pretty = function () {
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prettyPrint = true
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return this
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}
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/**
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* Write the data to a file (synchronously).
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* @param {string} `targetDir` the directory of the file
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* @param {string} `filename` the name of the file
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*/
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this.writeTo = function (targetDir, filename) {
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// Remove wrapping parens which are always created by json-literal
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var node = stringify(data).replace(/^\((.*)\)$/, '$1')
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// Create a valid javascript module
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var string = 'module.exports = ' + node + ';'
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// If prettyprint is enabled, use esformatter to format
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// the resulting javascript.
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if (prettyPrint) {
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string = esformatter.format(string, {
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// indent is hard coded to 4 spaces at the moment
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indent: {
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value: ' '
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}
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})
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}
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// Write the data...
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var targetFile = path.join(targetDir, filename)
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console.log('Writing ', targetFile)
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fs.writeFileSync(targetFile, string, 'utf-8')
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console.log('done')
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}
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}
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module.exports = Writer
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