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Maurice
fc648bc7e4
- native-shell/amount.ts: the no-break spaces in the price pattern were written out as characters; \s already matches them. - widgets.ts: the Live Activity's lead time stays inside the module. - i18n: the count strings of the new plan tiles replace the removed ones on NOT_PLURAL, and the address placeholders of the non-Latin locales are their own instead of English copies. - mobile.css: the side safe-area margins of the floating bars use margin-inline, swapped for right to left, instead of physical sides.
44 lines
1.8 KiB
TypeScript
44 lines
1.8 KiB
TypeScript
/**
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* The amount inside a price as the store writes it ("4,90 €", "$4.99",
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* "CHF 12.90", "1.290 ₽"), and a way to write another amount the same way: the
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* same currency, the same decimal mark, the same digit grouping. The plan picker
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* counts a price up to its new value with it, and turns a yearly price into what
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* it makes a month, without knowing the store's locale.
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*/
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interface Amount {
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/** The amount as a number, in the price's own unit (4.9 for "4,90 €"). */
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value: number;
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/** The price written for another amount, in the same format. */
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render(value: number): string;
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}
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// Digits with the marks stores put between them: . , any space (\s takes the
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// no-break ones too) and the apostrophes Swiss formats group thousands with.
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const NUMBER = /\d[\d.,\s'’]*\d|\d/;
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export function amountIn(label: string): Amount | null {
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const match = NUMBER.exec(label);
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if (!match) return null;
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const raw = match[0];
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// The decimal mark is the last . or , followed by one or two digits to the end.
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const decimal = /([.,])(\d{1,2})$/.exec(raw);
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const decimals = decimal ? decimal[2].length : 0;
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const mark = decimal ? decimal[1] : '';
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const whole = decimal ? raw.slice(0, raw.length - decimal[0].length) : raw;
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const group = /[.,\s'’]/.exec(whole)?.[0] ?? '';
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const digits = whole.replace(/\D/g, '') + (decimal ? `.${decimal[2]}` : '');
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const value = Number(digits);
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if (!Number.isFinite(value)) return null;
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const before = label.slice(0, match.index);
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const after = label.slice(match.index + raw.length);
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return {
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value,
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render(next: number) {
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const fixed = Math.max(0, next).toFixed(decimals);
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const [int, frac] = fixed.split('.');
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const grouped = group ? int.replace(/\B(?=(\d{3})+(?!\d))/g, group) : int;
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return `${before}${grouped}${frac !== undefined ? mark + frac : ''}${after}`;
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},
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};
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}
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