blog-code Bump handlebars from 4.1.0 to 4.5.3 in /dal-lab-tdd

Bumps handlebars from 4.1.0 to 4.5.3.

Changelog

v4.5.3 - November 18th, 2019

Bugfixes:

fix: add "no-prototype-builtins" eslint-rule and fix all occurences - f7f05d7

fix: add more properties required to be enumerable - 1988878

Chores / Build:

fix: use !== 0 instead of != 0 - c02b05f

add chai and dirty-chai and sinon, for cleaner test-assertions and spies, deprecate old assertion-methods - 93e284e, 886ba86, 0817dad, 93516a0

Security:

The properties __proto__, __defineGetter__, __defineSetter__ and __lookupGetter__ have been added to the list of "properties that must be enumerable". If a property by that name is found and not enumerable on its parent, it will silently evaluate to undefined. This is done in both the compiled template and the "lookup"-helper. This will prevent new Remote-Code-Execution exploits that have been published recently.

Compatibility notes:

Due to the security-fixes. The semantics of the templates using __proto__, __defineGetter__, __defineSetter__ and __lookupGetter__ in the respect that those expression now return undefined rather than their actual value from the proto.

The semantics have not changed in cases where the properties are enumerable, as in:
{
  __proto__: 'some string'
}
The change may be breaking in that respect, but we still only increase the patch-version, because the incompatible use-cases are not intended, undocumented and far less important than fixing Remote-Code-Execution exploits on existing systems.

Commits

v4.5.2 - November 13th, 2019

Bugfixes

fix: use String(field) in lookup when checking for "constructor" - d541378

test: add fluent API for testing Handlebars - c2ac79c

Compatibility notes:

no incompatibility are to be expected

... (truncated)

Commits

c819c8b v4.5.3
827c9d0 Update release notes
f7f05d7 fix: add "no-prototype-builtins" eslint-rule and fix all occurences
1988878 fix: add more properties required to be enumerable
886ba86 test/chore: add chai/expect and sinon to "runtime"-environment
0817dad test: add sinon as global variable to eslint in the specs
93516a0 test: add sinon.js for spies, deprecate current assertions
93e284e chore: add chai and dirty-chai for better test assertions
c02b05f fix: use !== 0 instead of != 0
8de121d v4.5.2
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