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[RFC#236] Deprecate String prototype extensions #19234

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merged 4 commits into from
Nov 11, 2020
Merged

[RFC#236] Deprecate String prototype extensions #19234

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ec07cdc
deprecate String prototype extensions
locks Oct 27, 2020
591be24
point deprecation to ember-source
locks Oct 27, 2020
6e1c963
expect prototype extension deprecation in tests
locks Oct 27, 2020
1af2d49
annotated String.prototype extensions as deprecated
locks Oct 29, 2020
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49 changes: 28 additions & 21 deletions packages/@ember/string/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@ export { getStrings as _getStrings, setStrings as _setStrings } from './lib/stri

import { ENV } from '@ember/-internals/environment';
import { Cache } from '@ember/-internals/utils';
import { deprecate } from '@ember/debug';
import { getString } from './lib/string_registry';

const STRING_DASHERIZE_REGEXP = /[ _]/g;
Expand Down Expand Up @@ -279,6 +280,26 @@ export function capitalize(str: string): string {
}

if (ENV.EXTEND_PROTOTYPES.String) {
let deprecateEmberStringPrototypeExtension = function (
name: string,
fn: (utility: string, ...options: any) => string | string[],
message = `String prototype extensions are deprecated. Please import ${name} from '@ember/string' instead.`
) {
return function (this: string) {
deprecate(message, false, {
id: 'ember-string.prototype-extensions',
for: '@ember/string',
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since: {
available: '3.24',
},
until: '4.0.0',
url: 'https://deprecations.emberjs.com/v3.x/#toc_ember-string-prototype_extensions',
});

return fn(this, ...arguments);
};
};

Object.defineProperties(String.prototype, {
/**
See [String.w](/ember/release/classes/String/methods/w?anchor=w).
Expand All @@ -292,9 +313,7 @@ if (ENV.EXTEND_PROTOTYPES.String) {
configurable: true,
enumerable: false,
writeable: true,
value() {
return w(this);
},
value: deprecateEmberStringPrototypeExtension('w', w),
},

/**
Expand Down Expand Up @@ -326,9 +345,7 @@ if (ENV.EXTEND_PROTOTYPES.String) {
configurable: true,
enumerable: false,
writeable: true,
value() {
return camelize(this);
},
value: deprecateEmberStringPrototypeExtension('camelize', camelize),
},

/**
Expand All @@ -343,9 +360,7 @@ if (ENV.EXTEND_PROTOTYPES.String) {
configurable: true,
enumerable: false,
writeable: true,
value() {
return decamelize(this);
},
value: deprecateEmberStringPrototypeExtension('decamelize', decamelize),
},

/**
Expand All @@ -360,9 +375,7 @@ if (ENV.EXTEND_PROTOTYPES.String) {
configurable: true,
enumerable: false,
writeable: true,
value() {
return dasherize(this);
},
value: deprecateEmberStringPrototypeExtension('dasherize', dasherize),
},

/**
Expand All @@ -377,9 +390,7 @@ if (ENV.EXTEND_PROTOTYPES.String) {
configurable: true,
enumerable: false,
writeable: true,
value() {
return underscore(this);
},
value: deprecateEmberStringPrototypeExtension('underscore', underscore),
},

/**
Expand All @@ -394,9 +405,7 @@ if (ENV.EXTEND_PROTOTYPES.String) {
configurable: true,
enumerable: false,
writeable: true,
value() {
return classify(this);
},
value: deprecateEmberStringPrototypeExtension('classify', classify),
},

/**
Expand All @@ -411,9 +420,7 @@ if (ENV.EXTEND_PROTOTYPES.String) {
configurable: true,
enumerable: false,
writeable: true,
value() {
return capitalize(this);
},
value: deprecateEmberStringPrototypeExtension('capitalize', capitalize),
},
});
}