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The below\n * [ponyfill](https://github.com/sindresorhus/ponyfill) is not fully compliant,\n * but it'll do for now.\n *\n * TODO: Replace with a formally maintained, but small-enough, ponyfill.\n */\n\nconst intlFormats = {\n USD: {\n symbol: '$',\n decimal: '.',\n groupDelim: ','\n },\n GBP: {\n symbol: '£',\n decimal: '.',\n groupDelim: ','\n },\n EUR: {\n symbol: '€',\n decimal: '.',\n groupDelim: ','\n }\n};\n\nconst IntlPatches = {\n formatToPartsPatch({ currency, maximumFractionDigits, useGrouping }, num) {\n const format = intlFormats[currency] || {\n ...intlFormats.USD,\n symbol: currency\n };\n const { symbol, decimal, groupDelim } = format;\n const parts = [{ type: 'currency', value: symbol }];\n\n const [integer, fraction] = num\n .toFixed(maximumFractionDigits)\n .match(/\\d+/g);\n\n if (useGrouping !== false) {\n const intParts = [];\n const firstGroupLength = integer.length % 3;\n let integerSlice = integer;\n if (firstGroupLength > 0) {\n intParts.push(\n JSON.stringify({\n type: 'integer',\n value: integer.slice(0, firstGroupLength)\n })\n );\n integerSlice = integer.slice(firstGroupLength);\n }\n\n const groups = integerSlice.match(/\\d{3}/g);\n\n if (groups) {\n intParts.push(\n ...groups.map(intPart =>\n JSON.stringify({\n type: 'integer',\n value: intPart\n })\n )\n );\n }\n\n const groupDelimJSON =\n ',' +\n JSON.stringify({\n type: 'group',\n value: groupDelim\n }) +\n ',';\n\n const intAndGroupParts = JSON.parse(\n `[${intParts.join(groupDelimJSON)}]`\n );\n\n parts.push(...intAndGroupParts);\n } else {\n parts.push({ type: 'integer', value: integer });\n }\n return parts.concat([\n { type: 'decimal', value: decimal },\n { type: 'fraction', value: fraction }\n ]);\n },\n\n toParts(num) {\n return this.formatToParts\n ? this.formatToParts(num)\n : IntlPatches.formatToPartsPatch(this.resolvedOptions(), num);\n }\n};\nexport default IntlPatches;\n"],"file":"intlPatches.js"} |