1 | /**
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2 | * @fileoverview Common helpers for naming of plugins, formatters and configs
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3 | */
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4 | ;
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5 |
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6 | //------------------------------------------------------------------------------
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7 | // Requirements
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8 | //------------------------------------------------------------------------------
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9 |
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10 | const pathUtil = require("../util/path-util");
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11 |
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12 | //------------------------------------------------------------------------------
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13 | // Private
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14 | //------------------------------------------------------------------------------
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15 |
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16 | const NAMESPACE_REGEX = /^@.*\//i;
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17 |
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18 | /**
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19 | * Brings package name to correct format based on prefix
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20 | * @param {string} name The name of the package.
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21 | * @param {string} prefix Can be either "eslint-plugin", "eslint-config" or "eslint-formatter"
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22 | * @returns {string} Normalized name of the package
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23 | * @private
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24 | */
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25 | function normalizePackageName(name, prefix) {
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26 |
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27 | /**
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28 | * On Windows, name can come in with Windows slashes instead of Unix slashes.
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29 | * Normalize to Unix first to avoid errors later on.
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30 | * https://github.com/eslint/eslint/issues/5644
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31 | */
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32 | if (name.indexOf("\\") > -1) {
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33 | name = pathUtil.convertPathToPosix(name);
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34 | }
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35 |
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36 | if (name.charAt(0) === "@") {
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37 |
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38 | /**
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39 | * it's a scoped package
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40 | * package name is the prefix, or just a username
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41 | */
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42 | const scopedPackageShortcutRegex = new RegExp(`^(@[^/]+)(?:/(?:${prefix})?)?$`),
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43 | scopedPackageNameRegex = new RegExp(`^${prefix}(-|$)`);
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44 |
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45 | if (scopedPackageShortcutRegex.test(name)) {
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46 | name = name.replace(scopedPackageShortcutRegex, `$1/${prefix}`);
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47 | } else if (!scopedPackageNameRegex.test(name.split("/")[1])) {
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48 |
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49 | /**
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50 | * for scoped packages, insert the prefix after the first / unless
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51 | * the path is already @scope/eslint or @scope/eslint-xxx-yyy
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52 | */
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53 | name = name.replace(/^@([^/]+)\/(.*)$/, `@$1/${prefix}-$2`);
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54 | }
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55 | } else if (name.indexOf(`${prefix}-`) !== 0) {
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56 | name = `${prefix}-${name}`;
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57 | }
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58 |
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59 | return name;
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60 | }
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61 |
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62 | /**
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63 | * Removes the prefix from a term.
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64 | * @param {string} prefix The prefix to remove.
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65 | * @param {string} term The term which may have the prefix.
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66 | * @returns {string} The term without prefix.
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67 | */
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68 | function removePrefixFromTerm(prefix, term) {
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69 | return term.startsWith(prefix) ? term.slice(prefix.length) : term;
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70 | }
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71 |
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72 | /**
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73 | * Adds a prefix to a term.
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74 | * @param {string} prefix The prefix to add.
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75 | * @param {string} term The term which may not have the prefix.
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76 | * @returns {string} The term with prefix.
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77 | */
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78 | function addPrefixToTerm(prefix, term) {
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79 | return term.startsWith(prefix) ? term : `${prefix}${term}`;
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80 | }
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81 |
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82 | /**
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83 | * Gets the scope (namespace) of a term.
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84 | * @param {string} term The term which may have the namespace.
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85 | * @returns {string} The namepace of the term if it has one.
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86 | */
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87 | function getNamespaceFromTerm(term) {
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88 | const match = term.match(NAMESPACE_REGEX);
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89 |
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90 | return match ? match[0] : "";
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91 | }
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92 |
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93 | /**
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94 | * Removes the namespace from a term.
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95 | * @param {string} term The term which may have the namespace.
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96 | * @returns {string} The name of the plugin without the namespace.
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97 | */
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98 | function removeNamespaceFromTerm(term) {
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99 | return term.replace(NAMESPACE_REGEX, "");
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100 | }
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101 |
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102 | //------------------------------------------------------------------------------
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103 | // Public Interface
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104 | //------------------------------------------------------------------------------
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105 |
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106 | module.exports = {
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107 | normalizePackageName,
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108 | removePrefixFromTerm,
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109 | addPrefixToTerm,
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110 | getNamespaceFromTerm,
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111 | removeNamespaceFromTerm
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112 | };
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