张名锐
5b7f17727d
- 引入UnderlyingInstrumentType字段用于精确控制格式化规则 - 添加quantityPrecision配置支持不同产品类型的数量精度设置 - 实现formatAmount和formatQuantity方法提供统一格式化接口 - 更新视图模板使用新的格式化方法替代直接数据绑定 - 重构swapPricePrecisionHelper.js支持按产品类型定制格式化规则 - 移除废弃的inputFormatTradeAmount等旧格式化配置 - 添加千分位分组显示功能提升数字可读性
367 lines
19 KiB
JavaScript
367 lines
19 KiB
JavaScript
var swapPricePrecision = (function (global) {
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const defaults = Object.freeze({
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common: {
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amount: { precision: 2, grouping: true },
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quantity: { precision: 2, grouping: true },
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rate: { precision: 4 }
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},
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Stock: { integerDigits: 7, precision: 2, quantityPrecision: 2 },
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StockIndex: { integerDigits: 7, precision: 2, quantityPrecision: 2 },
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StockIF: { integerDigits: 7, precision: 4, quantityPrecision: 2 },
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CommodityFutures: { integerDigits: 7, precision: 4, quantityPrecision: 2 },
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CommoditySpot: { integerDigits: 7, precision: 4, quantityPrecision: 2 },
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NewOtcStock: { integerDigits: 7, precision: 4, quantityPrecision: 2 },
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HKStock: { integerDigits: 7, precision: 4, quantityPrecision: 2 },
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HKStockIndex: { integerDigits: 7, precision: 4, quantityPrecision: 2 },
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Fund: { integerDigits: 7, precision: 4, quantityPrecision: 4 },
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Bond: {
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quantityPrecision: 0,
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grossPrice: { integerDigits: 6, precision: 9 },
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netPrice: { integerDigits: 6, precision: 9 },
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yield: { integerDigits: 2, precision: 4 }
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},
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TBonds: {
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quantityPrecision: 0,
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grossPrice: { integerDigits: 6, precision: 9 },
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netPrice: { integerDigits: 6, precision: 9 },
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yield: { integerDigits: 2, precision: 4 }
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},
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CreditBonds: {
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quantityPrecision: 0,
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grossPrice: { integerDigits: 6, precision: 9 },
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netPrice: { integerDigits: 6, precision: 9 },
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yield: { integerDigits: 2, precision: 4 }
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},
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OtherBonds: {
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quantityPrecision: 0,
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grossPrice: { integerDigits: 6, precision: 9 },
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netPrice: { integerDigits: 6, precision: 9 },
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yield: { integerDigits: 2, precision: 4 }
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},
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TBFutures: { integerDigits: 8, precision: 4, quantityPrecision: 2 },
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OtherFutures: { integerDigits: 8, precision: 4, quantityPrecision: 2 },
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GoldSpot: { integerDigits: 8, precision: 4, quantityPrecision: 2 },
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OtherSpot: { integerDigits: 8, precision: 4, quantityPrecision: 2 },
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AbroadFutures: { integerDigits: 8, precision: 4, quantityPrecision: 2 },
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AbroadSpot: { integerDigits: 8, precision: 4, quantityPrecision: 2 },
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AbroadStock: { integerDigits: 8, precision: 2, quantityPrecision: 2 },
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AbroadStockIndex: { integerDigits: 8, precision: 4, quantityPrecision: 2 },
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ExRate: { integerDigits: 2, precision: 8, quantityPrecision: 8 },
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Shibor: { integerDigits: 2, precision: 4, quantityPrecision: 2 },
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FixingRepoRate: { integerDigits: 2, precision: 4, quantityPrecision: 2 },
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RateYield: {integerDigits: 6, precision: 8, quantityPrecision: 2},
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BondIndex: {integerDigits: 6, precision: 4, quantityPrecision: 2},
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});
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function normalizeDecimal(value) {
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if (value === null || value === undefined || value === '') return '';
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let text = String(value).trim();
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if (/[eE]/.test(text)) {
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const number = Number(text);
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if (!Number.isFinite(number)) return null;
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text = number.toFixed(20).replace(/0+$/, '').replace(/\.$/, '');
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}
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if (!/^[+-]?(?:\d+|\d*\.\d+)$/.test(text)) return null;
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const negative = text.charAt(0) === '-';
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text = text.replace(/^[+-]/, '');
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const parts = text.split('.');
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const integerPart = parts[0].replace(/^0+(?=\d)/, '') || '0';
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const decimalPart = parts.length > 1 ? parts[1] : '';
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const result = integerPart + (decimalPart ? '.' + decimalPart : '');
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return negative && !/^0(?:\.0*)?$/.test(result) ? '-' + result : result;
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}
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function shiftDecimal(value, places) {
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let normalized = normalizeDecimal(value);
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if (!normalized || !Number.isInteger(places) || places === 0) return normalized;
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const negative = normalized.charAt(0) === '-';
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const parts = (negative ? normalized.substring(1) : normalized).split('.');
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const integerPart = parts[0];
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const decimalPart = parts.length > 1 ? parts[1] : '';
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const digits = integerPart + decimalPart;
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const decimalIndex = integerPart.length + places;
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let text;
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if (decimalIndex <= 0) text = '0.' + '0'.repeat(-decimalIndex) + digits;
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else if (decimalIndex >= digits.length) text = digits + '0'.repeat(decimalIndex - digits.length);
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else text = digits.substring(0, decimalIndex) + '.' + digits.substring(decimalIndex);
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return normalizeDecimal((negative ? '-' : '') + text);
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}
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function incrementDigits(value) {
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let carry = 1;
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let result = '';
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for (let index = value.length - 1; index >= 0; index--) {
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const digit = value.charCodeAt(index) - 48 + carry;
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if (digit === 10) {
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result = '0' + result;
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carry = 1;
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} else {
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result = String(digit) + result;
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carry = 0;
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}
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}
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return carry ? '1' + result : result;
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}
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function roundDecimal(value, precision) {
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const normalized = normalizeDecimal(value);
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if (normalized === null || !Number.isInteger(precision) || precision < 0) return value;
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const negative = normalized.charAt(0) === '-';
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const parts = (negative ? normalized.substring(1) : normalized).split('.');
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let integerPart = parts[0];
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const decimalPart = parts.length > 1 ? parts[1] : '';
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if (decimalPart.length <= precision) return normalized;
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let digits = integerPart + decimalPart.substring(0, precision);
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if (decimalPart.charAt(precision) >= '5') digits = incrementDigits(digits);
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if (digits.length <= precision) digits = digits.padStart(precision + 1, '0');
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integerPart = precision === 0 ? digits : digits.substring(0, digits.length - precision);
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const roundedDecimal = precision === 0 ? '' : digits.substring(digits.length - precision);
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return normalizeDecimal((negative ? '-' : '') + integerPart + (roundedDecimal ? '.' + roundedDecimal : ''));
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}
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function normalizeRule(rule) {
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if (!rule || typeof rule !== 'object') return null;
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const integerDigits = Number(rule.integerDigits);
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const precision = Number(rule.precision);
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if (!Number.isInteger(integerDigits) || integerDigits < 1 || integerDigits > 18
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|| !Number.isInteger(precision) || precision < 0 || precision > 13) return null;
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return { integerDigits: integerDigits, precision: precision };
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}
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function normalizeCommonRule(rule) {
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if (!rule || typeof rule !== 'object') return null;
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const precision = Number(rule.precision);
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if (!Number.isInteger(precision) || precision < 0 || precision > 13) return null;
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return { precision: precision, grouping: typeof rule.grouping === 'boolean' ? rule.grouping : undefined };
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}
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function findRule(source, instrumentType, field) {
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const typeRule = source && source[instrumentType];
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return typeRule ? normalizeRule(typeRule[field] || typeRule) : null;
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}
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function getRule(instrumentType, field) {
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const fallback = findRule(defaults, instrumentType, field);
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if (!fallback) return null;
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return findRule(global.main && global.main.swapPricePrecision, instrumentType, field) || fallback;
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}
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function formatFixed(value, precision) {
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const normalized = normalizeDecimal(roundDecimal(value, precision));
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if (!normalized) return '';
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const negative = normalized.charAt(0) === '-';
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const parts = (negative ? normalized.substring(1) : normalized).split('.');
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const integerPart = parts[0];
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if (precision === 0) return (negative ? '-' : '') + integerPart;
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return (negative ? '-' : '') + integerPart + '.' + (parts[1] || '').padEnd(precision, '0');
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}
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function groupDecimal(value) {
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if (!value) return value;
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const negative = value.charAt(0) === '-';
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const source = negative ? value.substring(1) : value;
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const parts = source.split('.');
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parts[0] = parts[0].replace(/\B(?=(\d{3})+(?!\d))/g, ',');
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return (negative ? '-' : '') + parts.join('.');
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}
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function getQuantityPrecision(instrumentType, fallback) {
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if (!instrumentType) return fallback;
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const configured = global.main && global.main.swapPricePrecision;
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const typeRule = (configured || defaults)[instrumentType];
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if (!typeRule || !Object.prototype.hasOwnProperty.call(typeRule, 'quantityPrecision')) return fallback;
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const precision = Number(typeRule.quantityPrecision);
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return Number.isInteger(precision) && precision >= 0 && precision <= 13 ? precision : fallback;
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}
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function getCommonRule(kind, instrumentType) {
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const fallback = normalizeCommonRule(defaults.common[kind]) || { precision: 2, grouping: false };
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const configured = global.main && global.main.swapPricePrecision
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&& global.main.swapPricePrecision.common;
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const configuredRule = normalizeCommonRule(configured && configured[kind]);
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const rule = configuredRule || fallback;
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if (rule.grouping === undefined) rule.grouping = fallback.grouping;
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if (kind === 'quantity') rule.precision = getQuantityPrecision(instrumentType, rule.precision);
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return rule;
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}
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function formatCommon(kind, value, instrumentType, options) {
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if (value === null || value === undefined || value === '') return '';
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if (instrumentType && typeof instrumentType === 'object') {
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options = instrumentType;
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instrumentType = options.instrumentType;
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}
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const rule = getCommonRule(kind, instrumentType);
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const displayValue = kind === 'rate' ? shiftDecimal(value, 2) : value;
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const formatted = formatFixed(displayValue, rule.precision);
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if (!formatted) return '';
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const grouping = options && options.grouping !== undefined ? !!options.grouping : rule.grouping;
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const text = grouping ? groupDecimal(formatted) : formatted;
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return kind === 'rate' ? text + '%' : text;
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}
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function format(value, instrumentType, field) {
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const rule = getRule(instrumentType, field);
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if (value === null || value === undefined || value === '') return '';
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if (!rule) return global.otcformat.trading.umprice(value);
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const rounded = roundDecimal(value, rule.precision);
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return rounded === null ? '' : rounded.replace(/(\.\d*?[1-9])0+$/, '$1').replace(/\.0+$/, '');
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}
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function normalizeInput(value, format, shouldRound) {
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const options = format || {};
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const maxIntegerDigits = Number(options.integerDigits) || 0;
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const precision = Number(options.precision) || 0;
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const source = String(value === null || value === undefined ? '' : value).trim().replaceAll(',', '').replaceAll('。', '.');
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let negative = false;
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let hasDot = false;
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let integerPart = '';
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let decimalPart = '';
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for (let index = 0; index < source.length; index++) {
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const ch = source.charAt(index);
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if (ch >= '0' && ch <= '9') {
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if (hasDot) {
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if (shouldRound || decimalPart.length < precision) decimalPart += ch;
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} else if (!maxIntegerDigits || integerPart.length < maxIntegerDigits) {
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integerPart += ch;
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}
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} else if (ch === '.' && !hasDot && precision > 0) {
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hasDot = true;
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} else if (ch === '-' && index === 0 && options.negative) {
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negative = true;
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}
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}
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if (!integerPart && !decimalPart) return negative ? '-' : '';
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const text = (negative ? '-' : '') + (integerPart || '0') + (hasDot ? '.' + decimalPart : '');
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if (!shouldRound || text.endsWith('.')) return text;
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return roundDecimal(text, precision);
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}
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function createVueInputComponent() {
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return {
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props: {
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value: { type: [Number, String], default: '' },
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format: { type: Object, default: function () { return {}; } },
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disabled: { type: Boolean }
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},
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data: function () {
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return { text: '', enterPressed: false, formatSnapshot: '' };
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},
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mounted: function () {
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this.text = this.toDisplay(this.value);
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this.formatSnapshot = JSON.stringify(this.format || {});
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},
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methods: {
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toDisplay: function (value) {
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if (value === null || value === undefined || value === '') return '';
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const displayValue = this.format && this.format.percent ? shiftDecimal(value, 2) : String(value);
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return normalizeInput(displayValue, this.format, true);
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},
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toModel: function (value) {
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if (!value || value === '-') return '';
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return this.format && this.format.percent ? shiftDecimal(value, -2) : value;
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},
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updateValue: function (value, shouldRound, shouldCommit) {
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this.text = normalizeInput(value, this.format, shouldRound);
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if (this.text.endsWith('.') && !shouldRound) return;
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if (shouldCommit) this.$emit('input', this.toModel(this.text));
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},
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onInput: function (event) {
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this.updateValue(event.target.value, false, false);
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// When the normalized value is unchanged, Vue skips the DOM patch.
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// Write it directly so excess digits do not remain in the native input.
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event.target.value = this.text;
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},
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onPaste: function (event) {
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const clipboard = event.clipboardData || global.clipboardData;
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if (!clipboard) return;
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event.preventDefault();
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this.updateValue(clipboard.getData('text'), true, false);
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event.target.value = this.text;
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// 粘贴即显式赋值意图：直接派发 input，使「单击空白处标REV/其余清空」「回车前已标记」等行为生效。
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// 原实现只把粘贴内容写回DOM、等失焦时的原生change才派发，而原值粘贴时change不触发→静默无反应。
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this.$emit('input', this.toModel(this.text));
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},
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onKeydown: function (event) {
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this.enterPressed = false;
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this.$emit('keydown', event);
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const keyCode = event.which || event.keyCode;
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if (event.key !== 'Enter' && keyCode !== 13 && keyCode !== 108) return;
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// 回车=用户显式提交意图：无论值是否相对聚焦时变化，都直接派发 input(标REV) + enter(触发计算)。
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// 原实现把 enter 锁在原生 change 里，而 change 仅在值变化时触发，
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// 导致「重输/重贴原值 + 回车」静默不计算（QA 高优 Bug）。
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this.updateValue(this.text, true, false);
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const value = this.toModel(this.text);
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event.target.blur(); // 同步触发原生 change（值变化时再派发一次 input，幂等无害）
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this.$emit('input', value);
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this.$emit('enter', value);
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this.enterPressed = false;
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},
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onChange: function (event) {
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if (this.text.endsWith('.')) this.text = this.text.substring(0, this.text.length - 1);
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this.updateValue(this.text, true, false);
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const value = this.toModel(this.text);
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// 失焦（非回车）→ 仅派发 input 标 REV；enter(计算) 改由 onKeydown 直接派发，
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// 避免 change 不触发时丢失，也避免与 onKeydown 重复派发 enter 造成重复计算。
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this.$emit('input', value);
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event.target.value = this.text;
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}
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},
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watch: {
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value: function (value) {
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const display = this.toDisplay(value);
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if (display !== this.text) this.text = display;
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},
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format: {
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deep: true,
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handler: function () {
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const snapshot = JSON.stringify(this.format || {});
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if (snapshot === this.formatSnapshot) return;
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this.formatSnapshot = snapshot;
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this.text = this.toDisplay(this.value);
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}
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}
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},
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template: '<input type="text" :disabled="disabled" :value="text" @input="onInput" @paste="onPaste" @keydown="onKeydown" @blur="onChange">'
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};
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}
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return Object.freeze({
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getRule: getRule,
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getCommonPrecision: function (kind, instrumentType) {
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return getCommonRule(kind, instrumentType).precision;
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},
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getCommonInputFormat: function (kind, options, instrumentType) {
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const inputOptions = Object.assign({}, options || {});
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const type = instrumentType || inputOptions.instrumentType;
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delete inputOptions.instrumentType;
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const rule = getCommonRule(kind, type);
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return Object.assign(inputOptions, {
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precision: rule.precision,
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grouping: inputOptions.grouping === undefined ? !!rule.grouping : !!inputOptions.grouping,
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trimTailZeros: false
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});
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},
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formatCommon: formatCommon,
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normalizeCommon: function (kind, value, instrumentType) {
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return formatCommon(kind, value, instrumentType, { grouping: false });
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},
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getInputFormat: function (instrumentType, field, options) {
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const rule = getRule(instrumentType, field);
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return rule ? Object.assign({}, options, rule) : Object.assign({}, options);
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},
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format: format,
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roundDecimal: roundDecimal,
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roundForSubmit: function (value, instrumentType, field, storagePrecisionOffset) {
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const rule = getRule(instrumentType, field);
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if (value === null || value === undefined || value === '' || !rule) return value;
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const offset = Number.isInteger(storagePrecisionOffset) ? storagePrecisionOffset : 0;
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return roundDecimal(value, rule.precision + offset);
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},
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shiftDecimal: shiftDecimal,
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createVueInputComponent: createVueInputComponent
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});
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}(window));
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