Refactor text generator
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pyoor
parent
b2206ba0b2
commit
21a6025481
1 changed files with 240 additions and 149 deletions
189
lib/make/text.js
189
lib/make/text.js
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@ -7,18 +7,66 @@ const make = require('../make')
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const utils = require('../utils')
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class text extends make {
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static lineEnd () {
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/**
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* Generate a random alphabetic character
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*/
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static alpha () {
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return String.fromCharCode(random.range('A'.charCodeAt(0), 'z'.charCodeAt(0)))
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}
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/**
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* Generate a random alphanumeric character
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*/
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static alphanum () {
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return String.fromCharCode(random.range('0'.charCodeAt(0), 'z'.charCodeAt(0)))
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}
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/**
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* Generate a random assignment operator
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*/
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static assignmentOperator () {
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return random.pick([
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'\n', '\r', '\r\n', '\n\r'
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'=', '+=', '-=', '*=', '/=', '%=', '**=', '<<=', '>>=', '>>>=', '&=', '^=', '|='
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])
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}
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/**
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* Generate a random arithmetic operator
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*/
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static arithmeticOperator () {
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return random.pick([
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'%', '-', '+', '*', '/'
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])
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}
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/**
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* Generate a random control character
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*/
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static controlChar () {
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return random.pick([
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'\b', '\t', '\n', '\v', '\f', '\r', '\0', '\c', '\a', '\e' // eslint-disable-line no-useless-escape
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])
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}
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/**
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* Generate a random digit
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*/
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static digit () {
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return String.fromCharCode(random.range('0'.charCodeAt(0), '9'.charCodeAt(0)))
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}
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/**
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* Generate a random line ending
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*/
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static lineEnd () {
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return random.pick([
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'\n', '\r', '\r\n', '\n\r'
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])
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}
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/**
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* Generate a random token
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*/
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static token () {
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return random.pick([
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'*', '+', '%', '-', '!', '^', ':', '|', '&', '<', '>', '.', '"',
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@ -35,9 +83,9 @@ class text extends make {
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static language () {
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return random.pick([
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// special casing for i, I, dotted/dotless variants
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['tr', 'az'],
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['tr', 'az', 'crh', 'tt', 'ba'],
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// special casing rules: https://developer.mozilla.org/en/CSS/text-transform
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['nl', 'gr'],
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['nl', 'el', 'ga'],
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// special justification rules
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['ja', 'zh'],
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// tend to be RTL
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@ -49,8 +97,12 @@ class text extends make {
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])
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}
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/**
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* Generate a random character that may affect layout
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*/
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static layoutCharCodes () {
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return random.pick([
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return String.fromCodePoint(
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random.pick([
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0, // null
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160, // non-breaking space
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0x005C, // backslash, but in some countries, represents local currency symbol (e.g. yen)
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@ -116,10 +168,15 @@ class text extends make {
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0x2064, // mathematical invisible separator
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0x2044 // fraction slash character
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])
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)
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}
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/**
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* Generate a random character that affects bidi layout
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*/
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static bidiCharCodes () {
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return random.pick([
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return String.fromCodePoint(
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random.pick([
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0x0660, // START_HINDI_DIGITS
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0x0669, // END_HINDI_DIGITS
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0x066A, // START_ARABIC_SEPARATOR
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@ -129,11 +186,17 @@ class text extends make {
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0x06f0, // START_FARSI_DIGITS
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0x06f9 // END_FARSI_DIGITS
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])
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)
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}
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// http://www.unicode.org/Public/6.0.0/ucd/UnicodeData.txt
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static unicodeCombiningCharacters () {
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return random.item([
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/**
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* Generate a random unicode combining character
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* http://www.unicode.org/Public/6.0.0/ucd/UnicodeData.txt
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*/
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static unicodeCombiningCharacter () {
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return String.fromCodePoint(
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random.range(
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...random.item([
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[0x0300, 0x036F], // Combining Diacritical Marks
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[0x0483, 0x0489],
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[0x07EB, 0x07F3],
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@ -153,51 +216,57 @@ class text extends make {
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[0x1D1AA, 0x1D1AD],
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[0x1D242, 0x1D244]
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])
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)
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)
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}
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/**
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* Generate a random basic multilingual plane character
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*/
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static unicodeBMP () {
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return random.item([
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// BMP = Basic Multilingual Plane
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[0x0000, 0xFFFF]
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])
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return String.fromCodePoint(
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random.range(0x0000, 0xFFFF)
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)
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}
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/**
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* Generate a random supplementary multilingual plane character
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*/
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static unicodeSMP () {
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return random.item([
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// SMP = Supplementary Multilingual Plane
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return String.fromCodePoint(
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random.range(
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...random.item([
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[0x10000, 0x13FFF],
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[0x16000, 0x16FFF],
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[0x1B000, 0x1BFFF],
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[0x1D000, 0x1DFFF],
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[0x1F000, 0x1FFFF]
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])
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)
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)
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}
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/**
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* Generate a random supplementary ideographic plane character
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*/
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static unicodeSIP () {
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return random.item([
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// SIP = Supplementary Ideographic Plane
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return String.fromCodePoint(
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random.range(
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...random.item([
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[0x20000, 0x2BFFF],
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[0x2F000, 0x2FFFF]
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])
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)
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)
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}
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/**
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* Generate a random supplementary special-purpose plane character
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*/
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static unicodeSSP () {
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return random.item([
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// SSP = Supplementary Special-purpose Plane
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[0xE0000, 0xE0FFF]
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])
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}
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static assignmentOperator () {
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return random.pick([
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'=', '+=', '-=', '*=', '/=', '%=', '**=', '<<=', '>>=', '>>>=', '&=', '^=', '|='
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])
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}
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static arithmeticOperator () {
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return random.pick([
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'%', '-', '+', '*', '/'
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])
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return String.fromCodePoint(
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random.range(0xE0000, 0xE0FFF)
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)
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}
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static currency () {
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@ -222,26 +291,48 @@ class text extends make {
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return utils.common.quote(text.any())
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}
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static chars () {
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return random.pick([
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text.controlChar,
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text.token,
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text.assignmentOperator,
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text.arithmeticOperator,
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String.fromCharCode(text.layoutCharCodes()),
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String.fromCharCode(text.bidiCharCodes())
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/**
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* Wrapper for all text generators
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* @returns {string}
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*/
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static random () {
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return random.choose([
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[1, text.alpha],
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[1, text.alphanum],
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[1, text.arithmeticOperator],
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[1, text.assignmentOperator],
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[1, text.controlChar],
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[1, text.digit],
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[1, text.lineEnd],
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[1, text.token],
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[3, text.layoutCharCodes],
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[3, text.bidiCharCodes],
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[3, text.unicodeCombiningCharacter],
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[3, text.unicodeBMP],
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[3, text.unicodeSMP],
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[3, text.unicodeSIP],
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[3, text.unicodeSSP]
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])
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}
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static any () {
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// Generate a string compromised of random individual characters
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// This might be too slow to used for all 'texts' uses
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let s = ''
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// TODO: Len calculation take from DOMFuzz - maybe we should revise this?
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let len = random.pick([make.number.tiny, make.number.range])
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for (let i = 0; i < len; i++) {
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s += make.text.chars()
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/**
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* Generate a single character
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*/
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static character () {
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return text.random().charAt(0)
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}
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/**
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* Generate string comprised of random generators
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*/
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static any () {
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let s = ''
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let len = random.range(1, 126)
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while (len--) {
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s += make.text.random()
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}
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return s
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}
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}
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