Add Generators

features/generators.yml

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+name: Generators
+description: Generator functions (`function*`) create iterators that return multiple values, one after another, on-demand.
+group: javascript
+snapshot: ecmascript-2015
+caniuse: es6-generators
+spec:
+  - https://tc39.es/ecma262/multipage/control-abstraction-objects.html#sec-generator-objects
+  - https://tc39.es/ecma262/multipage/control-abstraction-objects.html#sec-generatorfunction-objects
+status:
+  compute_from: javascript.statements.generator_function
+compat_features:
+  - javascript.builtins.Generator
+  - javascript.builtins.Generator.next
+  - javascript.builtins.Generator.return
+  - javascript.builtins.Generator.throw
+  - javascript.builtins.GeneratorFunction
+  - javascript.builtins.GeneratorFunction.GeneratorFunction
+  - javascript.operators.generator_function
+  - javascript.operators.generator_function.trailing_comma
+  - javascript.operators.yield
+  - javascript.operators.yield_star
+  - javascript.statements.generator_function
+  - javascript.statements.generator_function.IteratorResult_object
+  - javascript.statements.generator_function.not_constructable_with_new
+  - javascript.statements.generator_function.trailing_comma_in_parameters

features/generators.yml.dist

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+# Generated from: generators.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: high
+  baseline_low_date: 2016-09-20
+  baseline_high_date: 2019-03-20
+  support:
+    chrome: "39"
+    chrome_android: "39"
+    edge: "13"
+    firefox: "26"
+    firefox_android: "26"
+    safari: "10"
+    safari_ios: "10"
+compat_features:
+  # baseline: high
+  # baseline_low_date: 2016-09-20
+  # baseline_high_date: 2019-03-20
+  # support:
+  #   chrome: "39"
+  #   chrome_android: "39"
+  #   edge: "12"
+  #   firefox: "26"
+  #   firefox_android: "26"
+  #   safari: "10"
+  #   safari_ios: "10"
+  - javascript.operators.yield
+
+  # baseline: high
+  # baseline_low_date: 2016-09-20
+  # baseline_high_date: 2019-03-20
+  # support:
+  #   chrome: "39"
+  #   chrome_android: "39"
+  #   edge: "12"
+  #   firefox: "27"
+  #   firefox_android: "27"
+  #   safari: "10"
+  #   safari_ios: "10"
+  - javascript.operators.yield_star
+
+  # ⬇️ Same status as overall feature ⬇️
+  # baseline: high
+  # baseline_low_date: 2016-09-20
+  # baseline_high_date: 2019-03-20
+  # support:
+  #   chrome: "39"
+  #   chrome_android: "39"
+  #   edge: "13"
+  #   firefox: "26"
+  #   firefox_android: "26"
+  #   safari: "10"
+  #   safari_ios: "10"
+  - javascript.builtins.Generator
+  - javascript.builtins.Generator.next
+  - javascript.builtins.Generator.throw
+  - javascript.builtins.GeneratorFunction
+  - javascript.builtins.GeneratorFunction.GeneratorFunction
+  - javascript.statements.generator_function
+
+  # baseline: high
+  # baseline_low_date: 2016-09-20
+  # baseline_high_date: 2019-03-20
+  # support:
+  #   chrome: "49"
+  #   chrome_android: "49"
+  #   edge: "12"
+  #   firefox: "26"
+  #   firefox_android: "26"
+  #   safari: "10"
+  #   safari_ios: "10"
+  - javascript.operators.generator_function
+
+  # baseline: high
+  # baseline_low_date: 2016-09-20
+  # baseline_high_date: 2019-03-20
+  # support:
+  #   chrome: "49"
+  #   chrome_android: "49"
+  #   edge: "13"
+  #   firefox: "29"
+  #   firefox_android: "29"
+  #   safari: "10"
+  #   safari_ios: "10"
+  - javascript.statements.generator_function.IteratorResult_object
+
+  # baseline: high
+  # baseline_low_date: 2016-09-20
+  # baseline_high_date: 2019-03-20
+  # support:
+  #   chrome: "50"
+  #   chrome_android: "50"
+  #   edge: "13"
+  #   firefox: "38"
+  #   firefox_android: "38"
+  #   safari: "10"
+  #   safari_ios: "10"
+  - javascript.builtins.Generator.return
+
+  # baseline: high
+  # baseline_low_date: 2016-09-20
+  # baseline_high_date: 2019-03-20
+  # support:
+  #   chrome: "50"
+  #   chrome_android: "50"
+  #   edge: "13"
+  #   firefox: "43"
+  #   firefox_android: "43"
+  #   safari: "10"
+  #   safari_ios: "10"
+  - javascript.statements.generator_function.not_constructable_with_new
+
+  # baseline: high
+  # baseline_low_date: 2017-04-25
+  # baseline_high_date: 2019-10-25
+  # support:
+  #   chrome: "58"
+  #   chrome_android: "58"
+  #   edge: "14"
+  #   firefox: "52"
+  #   firefox_android: "52"
+  #   safari: "10"
+  #   safari_ios: "10"
+  - javascript.statements.generator_function.trailing_comma_in_parameters
+
+  # baseline: high
+  # baseline_low_date: 2020-01-15
+  # baseline_high_date: 2022-07-15
+  # support:
+  #   chrome: "58"
+  #   chrome_android: "58"
+  #   edge: "79"
+  #   firefox: "52"
+  #   firefox_android: "52"
+  #   safari: "10"
+  #   safari_ios: "10"
+  - javascript.operators.generator_function.trailing_comma