Initial project upload

frontend/node_modules/spacetime/src/input/formats/04-misc.js

@@ -0,0 +1,143 @@
+import walkTo from '../../methods/set/walk.js'
+import { validate, parseTime, parseYear, parseMonth } from './_parsers.js'
+
+export default [
+  // =====
+  // no dates
+  // =====
+
+  // '2012-06' month-only
+  {
+    reg: /^([0-9]{4})[\-/]([0-9]{2})$/,
+    parse: (s, m) => {
+      const obj = {
+        year: m[1],
+        month: parseInt(m[2], 10) - 1,
+        date: 1
+      }
+      if (validate(obj) === false) {
+        s.epoch = null
+        return s
+      }
+      walkTo(s, obj)
+      s = parseTime(s, m[4])
+      return s
+    }
+  },
+
+  //February 2017 (implied date)
+  {
+    reg: /^([a-z]+) ([0-9]{4})$/i,
+    parse: (s, arr) => {
+      const obj = {
+        year: parseYear(arr[2], s._today),
+        month: parseMonth(arr[1]),
+        date: s._today.date || 1
+      }
+      if (validate(obj) === false) {
+        s.epoch = null
+        return s
+      }
+      walkTo(s, obj)
+      s = parseTime(s, arr[4])
+      return s
+    }
+  },
+
+  {
+    // 'q2 2002'
+    reg: /^(q[0-9])( of)?( [0-9]{4})?/i,
+    parse: (s, arr) => {
+      const quarter = arr[1] || ''
+      s = s.quarter(quarter)
+      let year = arr[3] || ''
+      if (year) {
+        year = year.trim()
+        s = s.year(year)
+      }
+      return s
+    }
+  },
+  {
+    // 'summer 2002'
+    reg: /^(spring|summer|winter|fall|autumn)( of)?( [0-9]{4})?/i,
+    parse: (s, arr) => {
+      const season = arr[1] || ''
+      s = s.season(season)
+      let year = arr[3] || ''
+      if (year) {
+        year = year.trim()
+        s = s.year(year)
+      }
+      return s
+    }
+  },
+  {
+    // '200bc'
+    reg: /^[0-9,]+ ?b\.?c\.?$/i,
+    parse: (s, arr) => {
+      let str = arr[0] || ''
+      //make year-negative
+      str = str.replace(/^([0-9,]+) ?b\.?c\.?$/i, '-$1')
+      const d = new Date()
+      const obj = {
+        year: parseInt(str.trim(), 10),
+        month: d.getMonth(),
+        date: d.getDate()
+      }
+      if (validate(obj) === false) {
+        s.epoch = null
+        return s
+      }
+      walkTo(s, obj)
+      s = parseTime(s)
+      return s
+    }
+  },
+  {
+    // '200ad'
+    reg: /^[0-9,]+ ?(a\.?d\.?|c\.?e\.?)$/i,
+    parse: (s, arr) => {
+      let str = arr[0] || ''
+      //remove commas
+      str = str.replace(/,/g, '')
+      const d = new Date()
+      const obj = {
+        year: parseInt(str.trim(), 10),
+        month: d.getMonth(),
+        date: d.getDate()
+      }
+      if (validate(obj) === false) {
+        s.epoch = null
+        return s
+      }
+      walkTo(s, obj)
+      s = parseTime(s)
+      return s
+    }
+  },
+  {
+    // '1992'
+    reg: /^[0-9]{4}( ?a\.?d\.?)?$/i,
+    parse: (s, arr) => {
+      const today = s._today
+      // using today's date, but a new month is awkward.
+      if (today.month && !today.date) {
+        today.date = 1
+      }
+      const d = new Date()
+      const obj = {
+        year: parseYear(arr[0], today),
+        month: today.month || d.getMonth(),
+        date: today.date || d.getDate()
+      }
+      if (validate(obj) === false) {
+        s.epoch = null
+        return s
+      }
+      walkTo(s, obj)
+      s = parseTime(s)
+      return s
+    }
+  }
+]