kbn-handlebars dependency update (#613)

* Update kbn-handlebars dependency

* Move handlebars dependency to dev

* Update package

* Update readme

* Update readme

* Ignore legal file

1 files changed, 0 insertions, 676 deletions

diff --git a/dev/lib/handlebars/src/spec/index.builtins.test.ts b/dev/lib/handlebars/src/spec/index.builtins.test.ts
deleted file mode 100644
index c47ec29f..00000000
--- a/dev/lib/handlebars/src/spec/index.builtins.test.ts
+++ /dev/null
@@ -1,676 +0,0 @@
-/*
- * This file is forked from the handlebars project (https://github.com/handlebars-lang/handlebars.js),
- * and may include modifications made by Elasticsearch B.V.
- * Elasticsearch B.V. licenses this file to you under the MIT License.
- * See `packages/kbn-handlebars/LICENSE` for more information.
- */
-
-/* eslint-disable max-classes-per-file */
-
-import Handlebars from '../..';
-import { expectTemplate } from '../__jest__/test_bench';
-
-describe('builtin helpers', () => {
-  describe('#if', () => {
-    it('if', () => {
-      const string = '{{#if goodbye}}GOODBYE {{/if}}cruel {{world}}!';
-
-      expectTemplate(string)
-        .withInput({
-          goodbye: true,
-          world: 'world',
-        })
-        .toCompileTo('GOODBYE cruel world!');
-
-      expectTemplate(string)
-        .withInput({
-          goodbye: 'dummy',
-          world: 'world',
-        })
-        .toCompileTo('GOODBYE cruel world!');
-
-      expectTemplate(string)
-        .withInput({
-          goodbye: false,
-          world: 'world',
-        })
-        .toCompileTo('cruel world!');
-
-      expectTemplate(string).withInput({ world: 'world' }).toCompileTo('cruel world!');
-
-      expectTemplate(string)
-        .withInput({
-          goodbye: ['foo'],
-          world: 'world',
-        })
-        .toCompileTo('GOODBYE cruel world!');
-
-      expectTemplate(string)
-        .withInput({
-          goodbye: [],
-          world: 'world',
-        })
-        .toCompileTo('cruel world!');
-
-      expectTemplate(string)
-        .withInput({
-          goodbye: 0,
-          world: 'world',
-        })
-        .toCompileTo('cruel world!');
-
-      expectTemplate('{{#if goodbye includeZero=true}}GOODBYE {{/if}}cruel {{world}}!')
-        .withInput({
-          goodbye: 0,
-          world: 'world',
-        })
-        .toCompileTo('GOODBYE cruel world!');
-    });
-
-    it('if with function argument', () => {
-      const string = '{{#if goodbye}}GOODBYE {{/if}}cruel {{world}}!';
-
-      expectTemplate(string)
-        .withInput({
-          goodbye() {
-            return true;
-          },
-          world: 'world',
-        })
-        .toCompileTo('GOODBYE cruel world!');
-
-      expectTemplate(string)
-        .withInput({
-          goodbye() {
-            return this.world;
-          },
-          world: 'world',
-        })
-        .toCompileTo('GOODBYE cruel world!');
-
-      expectTemplate(string)
-        .withInput({
-          goodbye() {
-            return false;
-          },
-          world: 'world',
-        })
-        .toCompileTo('cruel world!');
-
-      expectTemplate(string)
-        .withInput({
-          goodbye() {
-            return this.foo;
-          },
-          world: 'world',
-        })
-        .toCompileTo('cruel world!');
-    });
-
-    it('should not change the depth list', () => {
-      expectTemplate('{{#with foo}}{{#if goodbye}}GOODBYE cruel {{../world}}!{{/if}}{{/with}}')
-        .withInput({
-          foo: { goodbye: true },
-          world: 'world',
-        })
-        .toCompileTo('GOODBYE cruel world!');
-    });
-  });
-
-  describe('#with', () => {
-    it('with', () => {
-      expectTemplate('{{#with person}}{{first}} {{last}}{{/with}}')
-        .withInput({
-          person: {
-            first: 'Alan',
-            last: 'Johnson',
-          },
-        })
-        .toCompileTo('Alan Johnson');
-    });
-
-    it('with with function argument', () => {
-      expectTemplate('{{#with person}}{{first}} {{last}}{{/with}}')
-        .withInput({
-          person() {
-            return {
-              first: 'Alan',
-              last: 'Johnson',
-            };
-          },
-        })
-        .toCompileTo('Alan Johnson');
-    });
-
-    it('with with else', () => {
-      expectTemplate(
-        '{{#with person}}Person is present{{else}}Person is not present{{/with}}'
-      ).toCompileTo('Person is not present');
-    });
-
-    it('with provides block parameter', () => {
-      expectTemplate('{{#with person as |foo|}}{{foo.first}} {{last}}{{/with}}')
-        .withInput({
-          person: {
-            first: 'Alan',
-            last: 'Johnson',
-          },
-        })
-        .toCompileTo('Alan Johnson');
-    });
-
-    it('works when data is disabled', () => {
-      expectTemplate('{{#with person as |foo|}}{{foo.first}} {{last}}{{/with}}')
-        .withInput({ person: { first: 'Alan', last: 'Johnson' } })
-        .withCompileOptions({ data: false })
-        .toCompileTo('Alan Johnson');
-    });
-  });
-
-  describe('#each', () => {
-    it('each', () => {
-      const string = '{{#each goodbyes}}{{text}}! {{/each}}cruel {{world}}!';
-
-      expectTemplate(string)
-        .withInput({
-          goodbyes: [{ text: 'goodbye' }, { text: 'Goodbye' }, { text: 'GOODBYE' }],
-          world: 'world',
-        })
-        .toCompileTo('goodbye! Goodbye! GOODBYE! cruel world!');
-
-      expectTemplate(string)
-        .withInput({
-          goodbyes: [],
-          world: 'world',
-        })
-        .toCompileTo('cruel world!');
-    });
-
-    it('each without data', () => {
-      expectTemplate('{{#each goodbyes}}{{text}}! {{/each}}cruel {{world}}!')
-        .withInput({
-          goodbyes: [{ text: 'goodbye' }, { text: 'Goodbye' }, { text: 'GOODBYE' }],
-          world: 'world',
-        })
-        .withRuntimeOptions({ data: false })
-        .withCompileOptions({ data: false })
-        .toCompileTo('goodbye! Goodbye! GOODBYE! cruel world!');
-
-      expectTemplate('{{#each .}}{{.}}{{/each}}')
-        .withInput({ goodbyes: 'cruel', world: 'world' })
-        .withRuntimeOptions({ data: false })
-        .withCompileOptions({ data: false })
-        .toCompileTo('cruelworld');
-    });
-
-    it('each without context', () => {
-      expectTemplate('{{#each goodbyes}}{{text}}! {{/each}}cruel {{world}}!')
-        .withInput(undefined)
-        .toCompileTo('cruel !');
-    });
-
-    it('each with an object and @key', () => {
-      const string = '{{#each goodbyes}}{{@key}}. {{text}}! {{/each}}cruel {{world}}!';
-
-      function Clazz(this: any) {
-        this['<b>#1</b>'] = { text: 'goodbye' };
-        this[2] = { text: 'GOODBYE' };
-      }
-      Clazz.prototype.foo = 'fail';
-      const hash = { goodbyes: new (Clazz as any)(), world: 'world' };
-
-      // Object property iteration order is undefined according to ECMA spec,
-      // so we need to check both possible orders
-      // @see http://stackoverflow.com/questions/280713/elements-order-in-a-for-in-loop
-      try {
-        expectTemplate(string)
-          .withInput(hash)
-          .toCompileTo('&lt;b&gt;#1&lt;/b&gt;. goodbye! 2. GOODBYE! cruel world!');
-      } catch (e) {
-        expectTemplate(string)
-          .withInput(hash)
-          .toCompileTo('2. GOODBYE! &lt;b&gt;#1&lt;/b&gt;. goodbye! cruel world!');
-      }
-
-      expectTemplate(string)
-        .withInput({
-          goodbyes: {},
-          world: 'world',
-        })
-        .toCompileTo('cruel world!');
-    });
-
-    it('each with @index', () => {
-      expectTemplate('{{#each goodbyes}}{{@index}}. {{text}}! {{/each}}cruel {{world}}!')
-        .withInput({
-          goodbyes: [{ text: 'goodbye' }, { text: 'Goodbye' }, { text: 'GOODBYE' }],
-          world: 'world',
-        })
-        .toCompileTo('0. goodbye! 1. Goodbye! 2. GOODBYE! cruel world!');
-    });
-
-    it('each with nested @index', () => {
-      expectTemplate(
-        '{{#each goodbyes}}{{@index}}. {{text}}! {{#each ../goodbyes}}{{@index}} {{/each}}After {{@index}} {{/each}}{{@index}}cruel {{world}}!'
-      )
-        .withInput({
-          goodbyes: [{ text: 'goodbye' }, { text: 'Goodbye' }, { text: 'GOODBYE' }],
-          world: 'world',
-        })
-        .toCompileTo(
-          '0. goodbye! 0 1 2 After 0 1. Goodbye! 0 1 2 After 1 2. GOODBYE! 0 1 2 After 2 cruel world!'
-        );
-    });
-
-    it('each with block params', () => {
-      expectTemplate(
-        '{{#each goodbyes as |value index|}}{{index}}. {{value.text}}! {{#each ../goodbyes as |childValue childIndex|}} {{index}} {{childIndex}}{{/each}} After {{index}} {{/each}}{{index}}cruel {{world}}!'
-      )
-        .withInput({
-          goodbyes: [{ text: 'goodbye' }, { text: 'Goodbye' }],
-          world: 'world',
-        })
-        .toCompileTo('0. goodbye!  0 0 0 1 After 0 1. Goodbye!  1 0 1 1 After 1 cruel world!');
-    });
-
-    // TODO: This test has been added to the `4.x` branch of the handlebars.js repo along with a code-fix,
-    // but a new version of the handlebars package containing this fix has not yet been published to npm.
-    //
-    // Before enabling this code, a new version of handlebars needs to be released and the corresponding
-    // updates needs to be applied to this implementation.
-    //
-    // See: https://github.com/handlebars-lang/handlebars.js/commit/30dbf0478109ded8f12bb29832135d480c17e367
-    it.skip('each with block params and strict compilation', () => {
-      expectTemplate('{{#each goodbyes as |value index|}}{{index}}. {{value.text}}!{{/each}}')
-        .withCompileOptions({ strict: true })
-        .withInput({ goodbyes: [{ text: 'goodbye' }, { text: 'Goodbye' }] })
-        .toCompileTo('0. goodbye!1. Goodbye!');
-    });
-
-    it('each object with @index', () => {
-      expectTemplate('{{#each goodbyes}}{{@index}}. {{text}}! {{/each}}cruel {{world}}!')
-        .withInput({
-          goodbyes: {
-            a: { text: 'goodbye' },
-            b: { text: 'Goodbye' },
-            c: { text: 'GOODBYE' },
-          },
-          world: 'world',
-        })
-        .toCompileTo('0. goodbye! 1. Goodbye! 2. GOODBYE! cruel world!');
-    });
-
-    it('each with @first', () => {
-      expectTemplate('{{#each goodbyes}}{{#if @first}}{{text}}! {{/if}}{{/each}}cruel {{world}}!')
-        .withInput({
-          goodbyes: [{ text: 'goodbye' }, { text: 'Goodbye' }, { text: 'GOODBYE' }],
-          world: 'world',
-        })
-        .toCompileTo('goodbye! cruel world!');
-    });
-
-    it('each with nested @first', () => {
-      expectTemplate(
-        '{{#each goodbyes}}({{#if @first}}{{text}}! {{/if}}{{#each ../goodbyes}}{{#if @first}}{{text}}!{{/if}}{{/each}}{{#if @first}} {{text}}!{{/if}}) {{/each}}cruel {{world}}!'
-      )
-        .withInput({
-          goodbyes: [{ text: 'goodbye' }, { text: 'Goodbye' }, { text: 'GOODBYE' }],
-          world: 'world',
-        })
-        .toCompileTo('(goodbye! goodbye! goodbye!) (goodbye!) (goodbye!) cruel world!');
-    });
-
-    it('each object with @first', () => {
-      expectTemplate('{{#each goodbyes}}{{#if @first}}{{text}}! {{/if}}{{/each}}cruel {{world}}!')
-        .withInput({
-          goodbyes: { foo: { text: 'goodbye' }, bar: { text: 'Goodbye' } },
-          world: 'world',
-        })
-        .toCompileTo('goodbye! cruel world!');
-    });
-
-    it('each with @last', () => {
-      expectTemplate('{{#each goodbyes}}{{#if @last}}{{text}}! {{/if}}{{/each}}cruel {{world}}!')
-        .withInput({
-          goodbyes: [{ text: 'goodbye' }, { text: 'Goodbye' }, { text: 'GOODBYE' }],
-          world: 'world',
-        })
-        .toCompileTo('GOODBYE! cruel world!');
-    });
-
-    it('each object with @last', () => {
-      expectTemplate('{{#each goodbyes}}{{#if @last}}{{text}}! {{/if}}{{/each}}cruel {{world}}!')
-        .withInput({
-          goodbyes: { foo: { text: 'goodbye' }, bar: { text: 'Goodbye' } },
-          world: 'world',
-        })
-        .toCompileTo('Goodbye! cruel world!');
-    });
-
-    it('each with nested @last', () => {
-      expectTemplate(
-        '{{#each goodbyes}}({{#if @last}}{{text}}! {{/if}}{{#each ../goodbyes}}{{#if @last}}{{text}}!{{/if}}{{/each}}{{#if @last}} {{text}}!{{/if}}) {{/each}}cruel {{world}}!'
-      )
-        .withInput({
-          goodbyes: [{ text: 'goodbye' }, { text: 'Goodbye' }, { text: 'GOODBYE' }],
-          world: 'world',
-        })
-        .toCompileTo('(GOODBYE!) (GOODBYE!) (GOODBYE! GOODBYE! GOODBYE!) cruel world!');
-    });
-
-    it('each with function argument', () => {
-      const string = '{{#each goodbyes}}{{text}}! {{/each}}cruel {{world}}!';
-
-      expectTemplate(string)
-        .withInput({
-          goodbyes() {
-            return [{ text: 'goodbye' }, { text: 'Goodbye' }, { text: 'GOODBYE' }];
-          },
-          world: 'world',
-        })
-        .toCompileTo('goodbye! Goodbye! GOODBYE! cruel world!');
-
-      expectTemplate(string)
-        .withInput({
-          goodbyes: [],
-          world: 'world',
-        })
-        .toCompileTo('cruel world!');
-    });
-
-    it('each object when last key is an empty string', () => {
-      expectTemplate('{{#each goodbyes}}{{@index}}. {{text}}! {{/each}}cruel {{world}}!')
-        .withInput({
-          goodbyes: {
-            a: { text: 'goodbye' },
-            b: { text: 'Goodbye' },
-            '': { text: 'GOODBYE' },
-          },
-          world: 'world',
-        })
-        .toCompileTo('0. goodbye! 1. Goodbye! 2. GOODBYE! cruel world!');
-    });
-
-    it('data passed to helpers', () => {
-      expectTemplate('{{#each letters}}{{this}}{{detectDataInsideEach}}{{/each}}')
-        .withInput({ letters: ['a', 'b', 'c'] })
-        .withHelper('detectDataInsideEach', function (options) {
-          return options.data && options.data.exclaim;
-        })
-        .withRuntimeOptions({
-          data: {
-            exclaim: '!',
-          },
-        })
-        .toCompileTo('a!b!c!');
-    });
-
-    it('each on implicit context', () => {
-      expectTemplate('{{#each}}{{text}}! {{/each}}cruel world!').toThrow(Handlebars.Exception);
-    });
-
-    it('each on iterable', () => {
-      class Iterator {
-        private arr: any[];
-        private index: number = 0;
-
-        constructor(arr: any[]) {
-          this.arr = arr;
-        }
-
-        next() {
-          const value = this.arr[this.index];
-          const done = this.index === this.arr.length;
-          if (!done) {
-            this.index++;
-          }
-          return { value, done };
-        }
-      }
-
-      class Iterable {
-        private arr: any[];
-
-        constructor(arr: any[]) {
-          this.arr = arr;
-        }
-
-        [Symbol.iterator]() {
-          return new Iterator(this.arr);
-        }
-      }
-
-      const string = '{{#each goodbyes}}{{text}}! {{/each}}cruel {{world}}!';
-
-      expectTemplate(string)
-        .withInput({
-          goodbyes: new Iterable([{ text: 'goodbye' }, { text: 'Goodbye' }, { text: 'GOODBYE' }]),
-          world: 'world',
-        })
-        .toCompileTo('goodbye! Goodbye! GOODBYE! cruel world!');
-
-      expectTemplate(string)
-        .withInput({
-          goodbyes: new Iterable([]),
-          world: 'world',
-        })
-        .toCompileTo('cruel world!');
-    });
-  });
-
-  describe('#log', function () {
-    /* eslint-disable no-console */
-    let $log: typeof console.log;
-    let $info: typeof console.info;
-    let $error: typeof console.error;
-
-    beforeEach(function () {
-      $log = console.log;
-      $info = console.info;
-      $error = console.error;
-
-      global.kbnHandlebarsEnv = Handlebars.create();
-    });
-
-    afterEach(function () {
-      console.log = $log;
-      console.info = $info;
-      console.error = $error;
-
-      global.kbnHandlebarsEnv = null;
-    });
-
-    it('should call logger at default level', function () {
-      let levelArg;
-      let logArg;
-      kbnHandlebarsEnv!.log = function (level, arg) {
-        levelArg = level;
-        logArg = arg;
-      };
-
-      expectTemplate('{{log blah}}').withInput({ blah: 'whee' }).toCompileTo('');
-      expect(1).toEqual(levelArg);
-      expect('whee').toEqual(logArg);
-    });
-
-    it('should call logger at data level', function () {
-      let levelArg;
-      let logArg;
-      kbnHandlebarsEnv!.log = function (level, arg) {
-        levelArg = level;
-        logArg = arg;
-      };
-
-      expectTemplate('{{log blah}}')
-        .withInput({ blah: 'whee' })
-        .withRuntimeOptions({ data: { level: '03' } })
-        .withCompileOptions({ data: true })
-        .toCompileTo('');
-      expect('03').toEqual(levelArg);
-      expect('whee').toEqual(logArg);
-    });
-
-    it('should output to info', function () {
-      let calls = 0;
-      const callsExpected = process.env.AST || process.env.EVAL ? 1 : 2;
-
-      console.info = function (info) {
-        expect('whee').toEqual(info);
-        calls++;
-        if (calls === callsExpected) {
-          console.info = $info;
-          console.log = $log;
-        }
-      };
-      console.log = function (log) {
-        expect('whee').toEqual(log);
-        calls++;
-        if (calls === callsExpected) {
-          console.info = $info;
-          console.log = $log;
-        }
-      };
-
-      expectTemplate('{{log blah}}').withInput({ blah: 'whee' }).toCompileTo('');
-      expect(calls).toEqual(callsExpected);
-    });
-
-    it('should log at data level', function () {
-      let calls = 0;
-      const callsExpected = process.env.AST || process.env.EVAL ? 1 : 2;
-
-      console.error = function (log) {
-        expect('whee').toEqual(log);
-        calls++;
-        if (calls === callsExpected) console.error = $error;
-      };
-
-      expectTemplate('{{log blah}}')
-        .withInput({ blah: 'whee' })
-        .withRuntimeOptions({ data: { level: '03' } })
-        .withCompileOptions({ data: true })
-        .toCompileTo('');
-      expect(calls).toEqual(callsExpected);
-    });
-
-    it('should handle missing logger', function () {
-      let calls = 0;
-      const callsExpected = process.env.AST || process.env.EVAL ? 1 : 2;
-
-      // @ts-expect-error
-      console.error = undefined;
-      console.log = function (log) {
-        expect('whee').toEqual(log);
-        calls++;
-        if (calls === callsExpected) console.log = $log;
-      };
-
-      expectTemplate('{{log blah}}')
-        .withInput({ blah: 'whee' })
-        .withRuntimeOptions({ data: { level: '03' } })
-        .withCompileOptions({ data: true })
-        .toCompileTo('');
-      expect(calls).toEqual(callsExpected);
-    });
-
-    it('should handle string log levels', function () {
-      let calls = 0;
-      const callsExpected = process.env.AST || process.env.EVAL ? 1 : 2;
-
-      console.error = function (log) {
-        expect('whee').toEqual(log);
-        calls++;
-      };
-
-      expectTemplate('{{log blah}}')
-        .withInput({ blah: 'whee' })
-        .withRuntimeOptions({ data: { level: 'error' } })
-        .withCompileOptions({ data: true })
-        .toCompileTo('');
-      expect(calls).toEqual(callsExpected);
-
-      calls = 0;
-
-      expectTemplate('{{log blah}}')
-        .withInput({ blah: 'whee' })
-        .withRuntimeOptions({ data: { level: 'ERROR' } })
-        .withCompileOptions({ data: true })
-        .toCompileTo('');
-      expect(calls).toEqual(callsExpected);
-    });
-
-    it('should handle hash log levels [1]', function () {
-      let calls = 0;
-      const callsExpected = process.env.AST || process.env.EVAL ? 1 : 2;
-
-      console.error = function (log) {
-        expect('whee').toEqual(log);
-        calls++;
-      };
-
-      expectTemplate('{{log blah level="error"}}').withInput({ blah: 'whee' }).toCompileTo('');
-      expect(calls).toEqual(callsExpected);
-    });
-
-    it('should handle hash log levels [2]', function () {
-      let called = false;
-
-      console.info =
-        console.log =
-        console.error =
-        console.debug =
-          function () {
-            called = true;
-            console.info = console.log = console.error = console.debug = $log;
-          };
-
-      expectTemplate('{{log blah level="debug"}}').withInput({ blah: 'whee' }).toCompileTo('');
-      expect(false).toEqual(called);
-    });
-
-    it('should pass multiple log arguments', function () {
-      let calls = 0;
-      const callsExpected = process.env.AST || process.env.EVAL ? 1 : 2;
-
-      console.info = console.log = function (log1, log2, log3) {
-        expect('whee').toEqual(log1);
-        expect('foo').toEqual(log2);
-        expect(1).toEqual(log3);
-        calls++;
-        if (calls === callsExpected) console.log = $log;
-      };
-
-      expectTemplate('{{log blah "foo" 1}}').withInput({ blah: 'whee' }).toCompileTo('');
-      expect(calls).toEqual(callsExpected);
-    });
-
-    it('should pass zero log arguments', function () {
-      let calls = 0;
-      const callsExpected = process.env.AST || process.env.EVAL ? 1 : 2;
-
-      console.info = console.log = function () {
-        expect(arguments.length).toEqual(0);
-        calls++;
-        if (calls === callsExpected) console.log = $log;
-      };
-
-      expectTemplate('{{log}}').withInput({ blah: 'whee' }).toCompileTo('');
-      expect(calls).toEqual(callsExpected);
-    });
-    /* eslint-enable no-console */
-  });
-
-  describe('#lookup', () => {
-    it('should lookup arbitrary content', () => {
-      expectTemplate('{{#each goodbyes}}{{lookup ../data .}}{{/each}}')
-        .withInput({ goodbyes: [0, 1], data: ['foo', 'bar'] })
-        .toCompileTo('foobar');
-    });
-
-    it('should not fail on undefined value', () => {
-      expectTemplate('{{#each goodbyes}}{{lookup ../bar .}}{{/each}}')
-        .withInput({ goodbyes: [0, 1], data: ['foo', 'bar'] })
-        .toCompileTo('');
-    });
-  });
-});