1 | /**
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2 | * @module create-header
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3 | * @author Toru Nagashima
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4 | * @copyright 2016 Toru Nagashima. All rights reserved.
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5 | * See LICENSE file in root directory for full license.
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6 | */
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7 |
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8 |
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9 | //------------------------------------------------------------------------------
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10 | // Requirements
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11 | //------------------------------------------------------------------------------
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12 |
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13 | const chalk = require("chalk")
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14 |
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15 | //------------------------------------------------------------------------------
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16 | // Public Interface
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17 | //------------------------------------------------------------------------------
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18 |
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19 | /**
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20 | * Creates the header text for a given task.
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21 | *
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22 | * @param {string} nameAndArgs - A task name and arguments.
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23 | * @param {object} packageInfo - A package.json's information.
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24 | * @param {object} packageInfo.body - A package.json's JSON object.
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25 | * @param {string} packageInfo.path - A package.json's file path.
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26 | * @param {boolean} isTTY - The flag to color the header.
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27 | * @returns {string} The header of a given task.
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28 | */
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29 | module.exports = function createHeader(nameAndArgs, packageInfo, isTTY) {
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30 | if (!packageInfo) {
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31 | return `\n> ${nameAndArgs}\n\n`
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32 | }
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33 |
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34 | const index = nameAndArgs.indexOf(" ")
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35 | const name = (index === -1) ? nameAndArgs : nameAndArgs.slice(0, index)
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36 | const args = (index === -1) ? "" : nameAndArgs.slice(index + 1)
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37 | const packageName = packageInfo.body.name
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38 | const packageVersion = packageInfo.body.version
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39 | const scriptBody = packageInfo.body.scripts[name]
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40 | const packagePath = packageInfo.path
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41 | const color = isTTY ? chalk.styles.gray : { open: "", close: "" }
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42 |
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43 | return `
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44 | ${color.open}> ${packageName}@${packageVersion} ${name} ${packagePath}${color.close}
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45 | ${color.open}> ${scriptBody} ${args}${color.close}
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46 |
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47 | `
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48 | }
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