feat(irregularWords): add irregular words files and handlers

src/lib/irregular-words.ts

@@ -0,0 +1,80 @@
+// tslint:disable:no-any
+import * as fs from 'fs'
+import * as path from 'path'
+
+const SPECIAL_LETTERS = ['K', 'P', 'N', 'R']
+SPECIAL_LETTERS.map((letter) => {
+  ;(IrregularWords as any)[`BEGINS_WITH_${letter}`] = IrregularWords.loadWords(
+    `${letter.toLowerCase()}.txt`,
+    true
+  )
+})
+
+// export default interface IrregularWords {
+//   [key: string]: any;
+// }
+
+export default class IrregularWords {
+  static ON_PREFIX_CHARACTERS = {
+    meng: (IrregularWords as any).BEGINS_WITH_K,
+    peng: (IrregularWords as any).BEGINS_WITH_K,
+    mem: (IrregularWords as any).BEGINS_WITH_P,
+    pem: (IrregularWords as any).BEGINS_WITH_P,
+  }
+
+  static ENDS_WITH_I = IrregularWords.loadWords('akhiran-i.txt')
+
+  static ENDS_WITH_COMMON_CHARACTERS = {
+    kah: IrregularWords.loadWords('kah.txt'),
+    lah: IrregularWords.loadWords('lah.txt'),
+    pun: IrregularWords.loadWords('pun.txt'),
+    ku: IrregularWords.loadWords('ku.txt'),
+    mu: IrregularWords.loadWords('mu.txt'),
+    nya: IrregularWords.loadWords('nya.txt'),
+  }
+
+  static ENDS_WITH_SUFFIX_CHARACTERS = IrregularWords.ENDS_WITH_I.unshift(
+    'majikan'
+  )
+
+  static loadWords(filename: string, chopped = false) {
+    const fd = fs.openSync(IrregularWords.absolutePath(filename), 'r')
+
+    let content = ''
+
+    const buffer = Buffer.alloc(10)
+
+    buffer.fill(0)
+
+    let readCount = fs.readSync(fd, buffer, 0, 10, null)
+
+    while (readCount > 0) {
+      // console.log("Read " + readCount + " bytes.");
+
+      content += buffer.toString().substr(0, readCount)
+
+      readCount = fs.readSync(fd, buffer, 0, 10, null)
+    }
+
+    fs.closeSync(fd)
+
+    let contents = content.split('\n')
+
+    if (chopped) {
+      contents = contents.map((word) => word.slice(1, word.length))
+    }
+
+    return contents
+  }
+
+  static absolutePath(filename: string) {
+    return path.join(__dirname, 'irregular-words', filename)
+  }
+}
+
+// (IrregularWords as any).ON_PREFIX_CHARACTERS = {
+//   meng: (IrregularWords as any).BEGINS_WITH_K,
+//   peng: (IrregularWords as any).BEGINS_WITH_K,
+//   mem: (IrregularWords as any).BEGINS_WITH_P,
+//   pem: (IrregularWords as any).BEGINS_WITH_P
+// };