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fix(core): improve the "missing `$localize`" error message (#32491) 

We need to be clearer to developers who upgrade to v9 (next) and get this
error, why they have a problem and what they have to do about it.

Once we have a better CLI schematics story, where this import will be
included by default in new applications and a CLI migration will add it
when upgrading apps to v9, we could simplify or remove this error message.

PR Close #32491
This commit is contained in:
Pete Bacon Darwin 2019-09-05 11:40:00 +01:00 committed by Matias Niemelä
parent da42a7648a
commit a9ff48e67f
3 changed files with 5 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
integration/side-effects/snapshots/core/esm2015.js
View File

@ -13,5 +13,5 @@ const __global = "undefined" !== typeof global && global;
const _global = __globalThis || __global || __window || __self; const _global = __globalThis || __global || __window || __self;
if (ngDevMode) _global.$localize = _global.$localize || function() { if (ngDevMode) _global.$localize = _global.$localize || function() {
throw new Error("The global function `$localize` is missing. Please add `import '@angular/localize';` to your polyfills.ts file."); throw new Error("It looks like your application or one of its dependencies is using i18n.\n" + "Angular 9 introduced a global `$localize()` function that needs to be loaded.\n" + "Please add `import '@angular/localize';` to your polyfills.ts file.");
}; };

2
integration/side-effects/snapshots/core/esm5.js
View File

@ -15,5 +15,5 @@ var __global = "undefined" !== typeof global && global;
var _global = __globalThis || __global || __window || __self; var _global = __globalThis || __global || __window || __self;
if (ngDevMode) _global.$localize = _global.$localize || function() { if (ngDevMode) _global.$localize = _global.$localize || function() {
throw new Error("The global function `$localize` is missing. Please add `import '@angular/localize';` to your polyfills.ts file."); throw new Error("It looks like your application or one of its dependencies is using i18n.\n" + "Angular 9 introduced a global `$localize()` function that needs to be loaded.\n" + "Please add `import '@angular/localize';` to your polyfills.ts file.");
}; };

4
packages/core/src/core.ts
View File

@ -45,6 +45,8 @@ if (ngDevMode) {
// tslint:disable-next-line: no-toplevel-property-access // tslint:disable-next-line: no-toplevel-property-access
global.$localize = global.$localize || function() { global.$localize = global.$localize || function() {
throw new Error( throw new Error(
'The global function `$localize` is missing. Please add `import \'@angular/localize\';` to your polyfills.ts file.'); 'It looks like your application or one of its dependencies is using i18n.\n' +
'Angular 9 introduced a global `$localize()` function that needs to be loaded.\n' +
'Please add `import \'@angular/localize\';` to your polyfills.ts file.');
}; };
} }