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fix(ivy): don't throw on unmatched placeholder replacements in i18nPostprocess (#30632)

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Depending on which placeholders the translation uses, there are some legitimate cases where we might not use all placeholder replacements in `i18nPostprocess`. For example if some of the placeholders of the original messages have been removed in the translation.

FW-1312 #resolve
PR Close #30632
This commit is contained in:
Olivier Combe
2019-05-23 15:17:42 +02:00
committed by Matias Niemelä
parent 9b3af1468d
commit 68cd0cab8c
3 changed files with 10 additions and 28 deletions
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15
packages/core/src/render3/i18n.ts
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@ -556,8 +556,8 @@ export function ɵɵi18nPostprocess(
const templateIdsStack: number[] = [ROOT_TEMPLATE_ID];
result = result.replace(PP_PLACEHOLDERS_REGEXP, (m: any, phs: string, tmpl: string): string => {
const content = phs || tmpl;
if (!matches[content]) {
const placeholders: PostprocessPlaceholder[] = [];
const placeholders: PostprocessPlaceholder[] = matches[content] || [];
if (!placeholders.length) {
content.split('|').forEach((placeholder: string) => {
const match = placeholder.match(PP_TEMPLATE_ID_REGEXP);
const templateId = match ? parseInt(match[1], 10) : ROOT_TEMPLATE_ID;
@ -566,11 +566,12 @@ export function ɵɵi18nPostprocess(
});
matches[content] = placeholders;
}
if (!matches[content].length) {
if (!placeholders.length) {
throw new Error(`i18n postprocess: unmatched placeholder - ${content}`);
}
const currentTemplateId = templateIdsStack[templateIdsStack.length - 1];
const placeholders = matches[content];
let idx = 0;
// find placeholder index that matches current template id
for (let i = 0; i < placeholders.length; i++) {
@ -590,12 +591,6 @@ export function ɵɵi18nPostprocess(
placeholders.splice(idx, 1);
return placeholder;
});
// verify that we injected all values
const hasUnmatchedValues = Object.keys(matches).some(key => !!matches[key].length);
if (hasUnmatchedValues) {
throw new Error(`i18n postprocess: unmatched values - ${JSON.stringify(matches)}`);
}
}
// return current result if no replacements specified