Chores: Remove "chai" (#1263)

Author: ota-meshi

package.json

@@ -7,7 +7,7 @@
     "start": "npm run test:base -- --watch --growl",
     "test:base": "mocha \"tests/lib/**/*.js\" --reporter dot",
     "test": "nyc npm run test:base -- \"tests/integrations/*.js\" --timeout 60000",
-    "debug": "mocha --inspect-brk \"tests/lib/**/*.js\" --reporter dot --timeout 60000",
+    "debug": "mocha --inspect \"tests/lib/**/*.js\" --reporter dot --timeout 60000",
     "cover": "npm run cover:test && npm run cover:report",
     "cover:test": "nyc npm run test:base -- --timeout 60000",
     "cover:report": "nyc report --reporter=html",
@@ -66,7 +66,6 @@
     "@typescript-eslint/parser": "^3.0.2",
     "@vuepress/plugin-pwa": "^1.4.1",
     "babel-eslint": "^10.1.0",
-    "chai": "^4.2.0",
     "eslint": "^7.0.0",
     "eslint-config-prettier": "^6.11.0",
     "eslint-plugin-eslint-plugin": "^2.2.1",

tests/lib/autofix.js

@@ -6,12 +6,10 @@
 
 const Linter = require('eslint').Linter
 const parser = require('vue-eslint-parser')
-const chai = require('chai')
+const assert = require('assert')
 
 const rules = require('../..').rules
 
-const assert = chai.assert
-
 const baseConfig = {
   parser: 'vue-eslint-parser',
   parserOptions: {

tests/lib/utils/casing.js

@@ -1,9 +1,7 @@
 'use strict'
 
 const casing = require('../../../lib/utils/casing')
-const chai = require('chai')
-
-const assert = chai.assert
+const assert = require('assert')
 
 describe('getConverter()', () => {
   it('should convert string to camelCase', () => {

tests/lib/utils/html-comments.js

@@ -2,10 +2,9 @@
 
 const fs = require('fs')
 const path = require('path')
-const chai = require('chai')
+const assert = require('assert')
 
 const Linter = require('eslint').Linter
-const assert = chai.assert
 
 const htmlComments = require('../../../lib/utils/html-comments')
 

tests/lib/utils/index.js

@@ -3,9 +3,7 @@
 const babelEslint = require('babel-eslint')
 const espree = require('espree')
 const utils = require('../../../lib/utils/index')
-const chai = require('chai')
-
-const assert = chai.assert
+const assert = require('assert')
 
 describe('getComputedProperties', () => {
   const parse = function (code) {
@@ -59,11 +57,11 @@ describe('getComputedProperties', () => {
       'it detects all computed properties'
     )
 
-    assert.notOk(computedProperties[0].value)
+    assert.ok(!computedProperties[0].value)
     assert.ok(computedProperties[1].value)
     assert.ok(computedProperties[2].value)
-    assert.notOk(computedProperties[3].value)
-    assert.notOk(computedProperties[4].value)
+    assert.ok(!computedProperties[3].value)
+    assert.ok(!computedProperties[4].value)
     assert.ok(computedProperties[5].value)
   })
 
@@ -108,7 +106,7 @@ describe('getComputedProperties', () => {
       'it detects all computed properties'
     )
 
-    assert.notOk(computedProperties[0].value)
+    assert.ok(!computedProperties[0].value)
   })
 })
 
@@ -418,19 +416,19 @@ describe('getComponentProps', () => {
 
     assert.ok(props[0].node.type === 'Literal')
     assert.deepEqual(props[0].key, props[0].node)
-    assert.notOk(props[0].value)
+    assert.ok(!props[0].value)
 
     assert.ok(props[1].node.type === 'Identifier')
-    assert.notOk(props[1].key)
-    assert.notOk(props[1].value)
+    assert.ok(!props[1].key)
+    assert.ok(!props[1].value)
 
     assert.ok(props[2].node.type === 'TemplateLiteral')
     assert.deepEqual(props[2].key, props[2].node)
-    assert.notOk(props[2].value)
+    assert.ok(!props[2].value)
 
     assert.ok(props[3].node.type === 'Literal')
-    assert.notOk(props[3].key)
-    assert.notOk(props[3].value)
+    assert.ok(!props[3].key)
+    assert.ok(!props[3].value)
   })
 })
 

tests/lib/utils/regexp.js

@@ -1,9 +1,7 @@
 'use strict'
 
 const { escape, toRegExp } = require('../../../lib/utils/regexp')
-const chai = require('chai')
-
-const assert = chai.assert
+const assert = require('assert')
 
 const ESCAPED = '\\^\\$\\.\\*\\+\\?\\(\\)\\[\\]\\{\\}\\|\\\\'
 const UNESCAPED = '^$.*+?()[]{}|\\'