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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | 41x 57x 57x 2x 55x 55x 55x 29x 55x 1x 1x 4x 4x 4x 55x 1x 55x 5x 55x 1x 1x 1x 1x 55x | /**
* Copyright (c) Siemens 2016 - 2025
* SPDX-License-Identifier: MIT
*/
import { FormlyFieldConfig } from '@ngx-formly/core';
import { injectSiTranslateService } from '@siemens/element-translate-ng/translate';
export class SiFormlyTranslateExtension {
private translate = injectSiTranslateService();
prePopulate(field: FormlyFieldConfig): void {
const to = field.props ?? {};
if (to.translate === false || to._translated) {
return;
}
field.expressions ??= {};
to._translated = true;
if (to.label) {
field.expressions['props.label'] = this.translate.translateAsync(to.label);
}
if (to.options) {
// e.g. a select
let i = -1;
to.options.forEach((val: any) => {
i++;
if (field.expressions) {
field.expressions[`props.options.${i}.label`] = this.translate.translateAsync(val.label);
}
});
}
if (to.placeholder) {
field.expressions['props.placeholder'] = this.translate.translateAsync(to.placeholder);
}
if (to.description) {
field.expressions['props.description'] = this.translate.translateAsync(to.description);
}
if (field.validation?.messages) {
const msgs = field.validation.messages;
for (const msg in msgs) {
if (typeof msgs[msg] === 'string') {
// This unfortunately blocks any opportunity to create context specific messages
// Specific messages could be done via the "map" function when the schema itself is parsed
field.expressions[`validation.messages.${msg}`] = this.translate.translateAsync(
msgs[msg] + ''
);
}
}
}
// Trigger a change
field.expressions = { ...(field.expressions ?? {}) };
}
}
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