{"version":3,"file":"date.mjs","sources":["../../../../../../src/composables/useInputMask/masks/date.ts"],"sourcesContent":["import { CursorPosition } from '../cursor'\nimport { Mask, MaskToken } from '../mask'\n\ntype MaskTokenDate = {\n expect: 'm' | 'd' | 'y',\n static: false,\n} | { expect: string, static: true }\n\nconst parseTokens = (format: string) => {\n return format.split('').map((char) => {\n if (char === 'm' || char === 'd' || char === 'y') {\n return { static: false, expect: char }\n }\n\n return { static: true, expect: char }\n }) as MaskTokenDate[]\n}\n\ntype MinorToken = { value: string, expect: string, static: boolean }\ntype MajorToken = { value: string, expect: string, tree: MinorToken[], used?: boolean }\n\nconst getFebMaxDays = (year: number) => {\n if (Number.isNaN(year)) {\n return 29 // Return max possible days: We need year first\n }\n\n return year % 4 === 0 ? 29 : 28\n}\n\nconst getMaxDays = (year: number, month: number) => {\n if (Number.isNaN(month)) {\n return 31\n }\n\n if (month === 2) {\n return getFebMaxDays(year)\n }\n\n if ([4, 6, 9, 11].includes(month)) {\n return 30\n }\n\n return 31\n}\n\nconst removeStaticCharsFromEnd = (tokens: T[]) => {\n let i = tokens.length - 1\n\n while (tokens[i] && tokens[i].static) {\n i--\n }\n\n return tokens.slice(0, i + 1)\n}\n\nexport const createDateMask = (format: string = 'yyyy/mm/dd'): Mask => {\n const tokens = parseTokens(format)\n\n const cache = new Map()\n\n return {\n format (text: string) {\n const minorTokens = [] as MinorToken[]\n let valueOffset = 0\n let tokenOffset = 0\n\n for (let i = 0; i < tokens.length; i++) {\n const token = tokens[tokenOffset]\n\n if (token.static) {\n minorTokens.push({ value: token.expect, expect: token.expect, static: true })\n tokenOffset++\n\n if (token.expect === text[valueOffset]) {\n valueOffset++\n }\n continue\n }\n\n if (text[valueOffset] === undefined) {\n break\n }\n\n if (!/\\d/.test(text[valueOffset])) {\n const nextTokensHasStatic = tokens.slice(tokenOffset, text.length).some((t) => t.static)\n\n if (nextTokensHasStatic) {\n tokenOffset++\n } else {\n valueOffset++\n }\n\n continue\n }\n\n minorTokens.push({ value: text[valueOffset], expect: token.expect, static: false })\n valueOffset++\n tokenOffset++\n }\n\n const majorTokens = removeStaticCharsFromEnd(minorTokens).reduce((acc, p, index) => {\n if (acc[acc.length - 1]?.expect === p.expect) {\n acc[acc.length - 1].value += p.value\n acc[acc.length - 1].tree.push(p)\n return acc\n }\n\n acc.push({\n value: p.value,\n expect: p.expect,\n tree: [p],\n })\n\n return acc\n }, [] as MajorToken[])\n\n majorTokens.forEach((t, index, array) => {\n if (t.expect === 'm') {\n const num = parseInt(t.value)\n\n if (num > 12) {\n t.value = '12'\n t.tree[0].static = true\n t.tree[1].static = false\n }\n\n if (num < 1 && t.value.length === 2) {\n t.value = '01'\n t.tree[0].static = true\n t.tree[1].static = false\n }\n\n if (num > 1 && num < 10 && t.value.length === 1) {\n t.value = '0' + num\n t.tree.unshift({ value: '0', expect: 'm', static: true })\n t.tree[1].static = false\n }\n }\n\n if (t.expect === 'd') {\n // Find corresponding year and month\n // If it is first day we found, seek first year and month\n // If it is second day we found, seek second year and month\n // and so on\n const year = majorTokens.find((t) => t.expect === 'y' && t.used === undefined)\n const month = majorTokens.find((t) => t.expect === 'm' && t.used === undefined)\n if (year) { year.used = true }\n if (month) { month.used = true }\n\n const m = Number(month?.value)\n\n const maxDays = getMaxDays(Number(year?.value), m)\n\n if (m === 2) { // Only for February\n if (Number(t.value) >= 29) {\n t.value = '29'\n }\n\n // If cached 29, means previously user entered 29, but it changed to\n // 28 accidentally, when previous year changed to non-leap year\n if (t.value === '28' && cache.get(index) === '29') {\n t.value = '29'\n }\n\n cache.set(index, t.value)\n }\n\n const num = parseInt(t.value)\n\n if (num > maxDays && t.value.length === 2) {\n t.value = maxDays.toString()\n t.tree[0].static = true\n t.tree[1].static = false\n }\n\n if (num < 1 && t.value.length === 2) {\n t.value = '01'\n t.tree[0].static = true\n t.tree[1].static = false\n }\n\n if (num > 3 && num < 10 && t.value.length === 1) {\n t.value = '0' + num\n t.tree.unshift({ value: '0', expect: 'd', static: true })\n t.tree[1].static = false\n }\n }\n })\n\n const newText = majorTokens.reduce((acc, p) => acc + p.value, '')\n\n const newTokens = tokens.map((t) => ({\n ...t,\n static: false,\n }))\n\n return {\n text: newText,\n tokens: newTokens,\n data: majorTokens.reduce((acc, p) => acc.concat(p.tree), [] as MinorToken[]),\n }\n },\n handleCursor (cursorStart, cursorEnd, oldTokens, newTokens, data, minorTokens) {\n cursorStart.updateTokens(minorTokens!)\n cursorEnd.updateTokens(minorTokens!)\n cursorStart.moveForward(data.length, CursorPosition.AfterChar)\n cursorEnd.position = cursorStart.position\n },\n unformat: (text: string, tokens: MaskToken[]) => {\n return text.replace(/\\//g, '')\n },\n 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