src/ng/filter/filters.js
'use strict';
var MAX_DIGITS = 22;
var DECIMAL_SEP = '.';
var ZERO_CHAR = '0';
/**
* @ngdoc filter
* @name currency
* @kind function
*
* @description
* Formats a number as a currency (ie $1,234.56). When no currency symbol is provided, default
* symbol for current locale is used.
*
* @param {number} amount Input to filter.
* @param {string=} symbol Currency symbol or identifier to be displayed.
* @param {number=} fractionSize Number of decimal places to round the amount to, defaults to default max fraction size for current locale
* @returns {string} Formatted number.
*
*
* @example
<example module="currencyExample" name="currency-filter">
<file name="index.html">
<script>
angular.module('currencyExample', [])
.controller('ExampleController', ['$scope', function($scope) {
$scope.amount = 1234.56;
}]);
</script>
<div ng-controller="ExampleController">
<input type="number" ng-model="amount" aria-label="amount"> <br>
default currency symbol ($): <span id="currency-default">{{amount | currency}}</span><br>
custom currency identifier (USD$): <span id="currency-custom">{{amount | currency:"USD$"}}</span><br>
no fractions (0): <span id="currency-no-fractions">{{amount | currency:"USD$":0}}</span>
</div>
</file>
<file name="protractor.js" type="protractor">
it('should init with 1234.56', function() {
expect(element(by.id('currency-default')).getText()).toBe('$1,234.56');
expect(element(by.id('currency-custom')).getText()).toBe('USD$1,234.56');
expect(element(by.id('currency-no-fractions')).getText()).toBe('USD$1,235');
});
it('should update', function() {
if (browser.params.browser === 'safari') {
// Safari does not understand the minus key. See
// https://github.com/angular/protractor/issues/481
return;
}
element(by.model('amount')).clear();
element(by.model('amount')).sendKeys('-1234');
expect(element(by.id('currency-default')).getText()).toBe('-$1,234.00');
expect(element(by.id('currency-custom')).getText()).toBe('-USD$1,234.00');
expect(element(by.id('currency-no-fractions')).getText()).toBe('-USD$1,234');
});
</file>
</example>
*/
currencyFilter.$inject = ['$locale'];
function currencyFilter($locale) {
var formats = $locale.NUMBER_FORMATS;
return function(amount, currencySymbol, fractionSize) {
if (isUndefined(currencySymbol)) {
currencySymbol = formats.CURRENCY_SYM;
}
if (isUndefined(fractionSize)) {
fractionSize = formats.PATTERNS[1].maxFrac;
}
// If the currency symbol is empty, trim whitespace around the symbol
var currencySymbolRe = !currencySymbol ? /\s*\u00A4\s*/g : /\u00A4/g;
// if null or undefined pass it through
return (amount == null)
? amount
: formatNumber(amount, formats.PATTERNS[1], formats.GROUP_SEP, formats.DECIMAL_SEP, fractionSize).
replace(currencySymbolRe, currencySymbol);
};
}
/**
* @ngdoc filter
* @name number
* @kind function
*
* @description
* Formats a number as text.
*
* If the input is null or undefined, it will just be returned.
* If the input is infinite (Infinity or -Infinity), the Infinity symbol '∞' or '-∞' is returned, respectively.
* If the input is not a number an empty string is returned.
*
*
* @param {number|string} number Number to format.
* @param {(number|string)=} fractionSize Number of decimal places to round the number to.
* If this is not provided then the fraction size is computed from the current locale's number
* formatting pattern. In the case of the default locale, it will be 3.
* @returns {string} Number rounded to `fractionSize` appropriately formatted based on the current
* locale (e.g., in the en_US locale it will have "." as the decimal separator and
* include "," group separators after each third digit).
*
* @example
<example module="numberFilterExample" name="number-filter">
<file name="index.html">
<script>
angular.module('numberFilterExample', [])
.controller('ExampleController', ['$scope', function($scope) {
$scope.val = 1234.56789;
}]);
</script>
<div ng-controller="ExampleController">
<label>Enter number: <input ng-model='val'></label><br>
Default formatting: <span id='number-default'>{{val | number}}</span><br>
No fractions: <span>{{val | number:0}}</span><br>
Negative number: <span>{{-val | number:4}}</span>
</div>
</file>
<file name="protractor.js" type="protractor">
it('should format numbers', function() {
expect(element(by.id('number-default')).getText()).toBe('1,234.568');
expect(element(by.binding('val | number:0')).getText()).toBe('1,235');
expect(element(by.binding('-val | number:4')).getText()).toBe('-1,234.5679');
});
it('should update', function() {
element(by.model('val')).clear();
element(by.model('val')).sendKeys('3374.333');
expect(element(by.id('number-default')).getText()).toBe('3,374.333');
expect(element(by.binding('val | number:0')).getText()).toBe('3,374');
expect(element(by.binding('-val | number:4')).getText()).toBe('-3,374.3330');
});
</file>
</example>
*/
numberFilter.$inject = ['$locale'];
function numberFilter($locale) {
var formats = $locale.NUMBER_FORMATS;
return function(number, fractionSize) {
// if null or undefined pass it through
return (number == null)
? number
: formatNumber(number, formats.PATTERNS[0], formats.GROUP_SEP, formats.DECIMAL_SEP,
fractionSize);
};
}
/**
* Parse a number (as a string) into three components that can be used
* for formatting the number.
*
* (Significant bits of this parse algorithm came from https://github.com/MikeMcl/big.js/)
*
* @param {string} numStr The number to parse
* @return {object} An object describing this number, containing the following keys:
* - d : an array of digits containing leading zeros as necessary
* - i : the number of the digits in `d` that are to the left of the decimal point
* - e : the exponent for numbers that would need more than `MAX_DIGITS` digits in `d`
*
*/
function parse(numStr) {
var exponent = 0, digits, numberOfIntegerDigits;
var i, j, zeros;
// Decimal point?
if ((numberOfIntegerDigits = numStr.indexOf(DECIMAL_SEP)) > -1) {
numStr = numStr.replace(DECIMAL_SEP, '');
}
// Exponential form?
if ((i = numStr.search(/e/i)) > 0) {
// Work out the exponent.
if (numberOfIntegerDigits < 0) numberOfIntegerDigits = i;
numberOfIntegerDigits += +numStr.slice(i + 1);
numStr = numStr.substring(0, i);
} else if (numberOfIntegerDigits < 0) {
// There was no decimal point or exponent so it is an integer.
numberOfIntegerDigits = numStr.length;
}
// Count the number of leading zeros.
for (i = 0; numStr.charAt(i) === ZERO_CHAR; i++) { /* empty */ }
if (i === (zeros = numStr.length)) {
// The digits are all zero.
digits = [0];
numberOfIntegerDigits = 1;
} else {
// Count the number of trailing zeros
zeros--;
while (numStr.charAt(zeros) === ZERO_CHAR) zeros--;
// Trailing zeros are insignificant so ignore them
numberOfIntegerDigits -= i;
digits = [];
// Convert string to array of digits without leading/trailing zeros.
for (j = 0; i <= zeros; i++, j++) {
digits[j] = +numStr.charAt(i);
}
}
// If the number overflows the maximum allowed digits then use an exponent.
if (numberOfIntegerDigits > MAX_DIGITS) {
digits = digits.splice(0, MAX_DIGITS - 1);
exponent = numberOfIntegerDigits - 1;
numberOfIntegerDigits = 1;
}
return { d: digits, e: exponent, i: numberOfIntegerDigits };
}
/**
* Round the parsed number to the specified number of decimal places
* This function changed the parsedNumber in-place
*/
function roundNumber(parsedNumber, fractionSize, minFrac, maxFrac) {
var digits = parsedNumber.d;
var fractionLen = digits.length - parsedNumber.i;
// determine fractionSize if it is not specified; `+fractionSize` converts it to a number
fractionSize = (isUndefined(fractionSize)) ? Math.min(Math.max(minFrac, fractionLen), maxFrac) : +fractionSize;
// The index of the digit to where rounding is to occur
var roundAt = fractionSize + parsedNumber.i;
var digit = digits[roundAt];
if (roundAt > 0) {
// Drop fractional digits beyond `roundAt`
digits.splice(Math.max(parsedNumber.i, roundAt));
// Set non-fractional digits beyond `roundAt` to 0
for (var j = roundAt; j < digits.length; j++) {
digits[j] = 0;
}
} else {
// We rounded to zero so reset the parsedNumber
fractionLen = Math.max(0, fractionLen);
parsedNumber.i = 1;
digits.length = Math.max(1, roundAt = fractionSize + 1);
digits[0] = 0;
for (var i = 1; i < roundAt; i++) digits[i] = 0;
}
if (digit >= 5) {
if (roundAt - 1 < 0) {
for (var k = 0; k > roundAt; k--) {
digits.unshift(0);
parsedNumber.i++;
}
digits.unshift(1);
parsedNumber.i++;
} else {
digits[roundAt - 1]++;
}
}
// Pad out with zeros to get the required fraction length
for (; fractionLen < Math.max(0, fractionSize); fractionLen++) digits.push(0);
// Do any carrying, e.g. a digit was rounded up to 10
var carry = digits.reduceRight(function(carry, d, i, digits) {
d = d + carry;
digits[i] = d % 10;
return Math.floor(d / 10);
}, 0);
if (carry) {
digits.unshift(carry);
parsedNumber.i++;
}
}
/**
* Format a number into a string
* @param {number} number The number to format
* @param {{
* minFrac, // the minimum number of digits required in the fraction part of the number
* maxFrac, // the maximum number of digits required in the fraction part of the number
* gSize, // number of digits in each group of separated digits
* lgSize, // number of digits in the last group of digits before the decimal separator
* negPre, // the string to go in front of a negative number (e.g. `-` or `(`))
* posPre, // the string to go in front of a positive number
* negSuf, // the string to go after a negative number (e.g. `)`)
* posSuf // the string to go after a positive number
* }} pattern
* @param {string} groupSep The string to separate groups of number (e.g. `,`)
* @param {string} decimalSep The string to act as the decimal separator (e.g. `.`)
* @param {[type]} fractionSize The size of the fractional part of the number
* @return {string} The number formatted as a string
*/
function formatNumber(number, pattern, groupSep, decimalSep, fractionSize) {
if (!(isString(number) || isNumber(number)) || isNaN(number)) return '';
var isInfinity = !isFinite(number);
var isZero = false;
var numStr = Math.abs(number) + '',
formattedText = '',
parsedNumber;
if (isInfinity) {
formattedText = '\u221e';
} else {
parsedNumber = parse(numStr);
roundNumber(parsedNumber, fractionSize, pattern.minFrac, pattern.maxFrac);
var digits = parsedNumber.d;
var integerLen = parsedNumber.i;
var exponent = parsedNumber.e;
var decimals = [];
isZero = digits.reduce(function(isZero, d) { return isZero && !d; }, true);
// pad zeros for small numbers
while (integerLen < 0) {
digits.unshift(0);
integerLen++;
}
// extract decimals digits
if (integerLen > 0) {
decimals = digits.splice(integerLen, digits.length);
} else {
decimals = digits;
digits = [0];
}
// format the integer digits with grouping separators
var groups = [];
if (digits.length >= pattern.lgSize) {
groups.unshift(digits.splice(-pattern.lgSize, digits.length).join(''));
}
while (digits.length > pattern.gSize) {
groups.unshift(digits.splice(-pattern.gSize, digits.length).join(''));
}
if (digits.length) {
groups.unshift(digits.join(''));
}
formattedText = groups.join(groupSep);
// append the decimal digits
if (decimals.length) {
formattedText += decimalSep + decimals.join('');
}
if (exponent) {
formattedText += 'e+' + exponent;
}
}
if (number < 0 && !isZero) {
return pattern.negPre + formattedText + pattern.negSuf;
} else {
return pattern.posPre + formattedText + pattern.posSuf;
}
}
function padNumber(num, digits, trim, negWrap) {
var neg = '';
if (num < 0 || (negWrap && num <= 0)) {
if (negWrap) {
num = -num + 1;
} else {
num = -num;
neg = '-';
}
}
num = '' + num;
while (num.length < digits) num = ZERO_CHAR + num;
if (trim) {
num = num.substr(num.length - digits);
}
return neg + num;
}
function dateGetter(name, size, offset, trim, negWrap) {
offset = offset || 0;
return function(date) {
var value = date['get' + name]();
if (offset > 0 || value > -offset) {
value += offset;
}
if (value === 0 && offset === -12) value = 12;
return padNumber(value, size, trim, negWrap);
};
}
function dateStrGetter(name, shortForm, standAlone) {
return function(date, formats) {
var value = date['get' + name]();
var propPrefix = (standAlone ? 'STANDALONE' : '') + (shortForm ? 'SHORT' : '');
var get = uppercase(propPrefix + name);
return formats[get][value];
};
}
function timeZoneGetter(date, formats, offset) {
var zone = -1 * offset;
var paddedZone = (zone >= 0) ? '+' : '';
paddedZone += padNumber(Math[zone > 0 ? 'floor' : 'ceil'](zone / 60), 2) +
padNumber(Math.abs(zone % 60), 2);
return paddedZone;
}
function getFirstThursdayOfYear(year) {
// 0 = index of January
var dayOfWeekOnFirst = (new Date(year, 0, 1)).getDay();
// 4 = index of Thursday (+1 to account for 1st = 5)
// 11 = index of *next* Thursday (+1 account for 1st = 12)
return new Date(year, 0, ((dayOfWeekOnFirst <= 4) ? 5 : 12) - dayOfWeekOnFirst);
}
function getThursdayThisWeek(datetime) {
return new Date(datetime.getFullYear(), datetime.getMonth(),
// 4 = index of Thursday
datetime.getDate() + (4 - datetime.getDay()));
}
function weekGetter(size) {
return function(date) {
var firstThurs = getFirstThursdayOfYear(date.getFullYear()),
thisThurs = getThursdayThisWeek(date);
var diff = +thisThurs - +firstThurs,
result = 1 + Math.round(diff / 6.048e8); // 6.048e8 ms per week
return padNumber(result, size);
};
}
function ampmGetter(date, formats) {
return date.getHours() < 12 ? formats.AMPMS[0] : formats.AMPMS[1];
}
function eraGetter(date, formats) {
return date.getFullYear() <= 0 ? formats.ERAS[0] : formats.ERAS[1];
}
function longEraGetter(date, formats) {
return date.getFullYear() <= 0 ? formats.ERANAMES[0] : formats.ERANAMES[1];
}
var DATE_FORMATS = {
yyyy: dateGetter('FullYear', 4, 0, false, true),
yy: dateGetter('FullYear', 2, 0, true, true),
y: dateGetter('FullYear', 1, 0, false, true),
MMMM: dateStrGetter('Month'),
MMM: dateStrGetter('Month', true),
MM: dateGetter('Month', 2, 1),
M: dateGetter('Month', 1, 1),
LLLL: dateStrGetter('Month', false, true),
dd: dateGetter('Date', 2),
d: dateGetter('Date', 1),
HH: dateGetter('Hours', 2),
H: dateGetter('Hours', 1),
hh: dateGetter('Hours', 2, -12),
h: dateGetter('Hours', 1, -12),
mm: dateGetter('Minutes', 2),
m: dateGetter('Minutes', 1),
ss: dateGetter('Seconds', 2),
s: dateGetter('Seconds', 1),
// while ISO 8601 requires fractions to be prefixed with `.` or `,`
// we can be just safely rely on using `sss` since we currently don't support single or two digit fractions
sss: dateGetter('Milliseconds', 3),
EEEE: dateStrGetter('Day'),
EEE: dateStrGetter('Day', true),
a: ampmGetter,
Z: timeZoneGetter,
ww: weekGetter(2),
w: weekGetter(1),
G: eraGetter,
GG: eraGetter,
GGG: eraGetter,
GGGG: longEraGetter
};
var DATE_FORMATS_SPLIT = /((?:[^yMLdHhmsaZEwG']+)|(?:'(?:[^']|'')*')|(?:E+|y+|M+|L+|d+|H+|h+|m+|s+|a|Z|G+|w+))([\s\S]*)/,
NUMBER_STRING = /^-?\d+$/;
/**
* @ngdoc filter
* @name date
* @kind function
*
* @description
* Formats `date` to a string based on the requested `format`.
*
* `format` string can be composed of the following elements:
*
* * `'yyyy'`: 4 digit representation of year (e.g. AD 1 => 0001, AD 2010 => 2010)
* * `'yy'`: 2 digit representation of year, padded (00-99). (e.g. AD 2001 => 01, AD 2010 => 10)
* * `'y'`: 1 digit representation of year, e.g. (AD 1 => 1, AD 199 => 199)
* * `'MMMM'`: Month in year (January-December)
* * `'MMM'`: Month in year (Jan-Dec)
* * `'MM'`: Month in year, padded (01-12)
* * `'M'`: Month in year (1-12)
* * `'LLLL'`: Stand-alone month in year (January-December)
* * `'dd'`: Day in month, padded (01-31)
* * `'d'`: Day in month (1-31)
* * `'EEEE'`: Day in Week,(Sunday-Saturday)
* * `'EEE'`: Day in Week, (Sun-Sat)
* * `'HH'`: Hour in day, padded (00-23)
* * `'H'`: Hour in day (0-23)
* * `'hh'`: Hour in AM/PM, padded (01-12)
* * `'h'`: Hour in AM/PM, (1-12)
* * `'mm'`: Minute in hour, padded (00-59)
* * `'m'`: Minute in hour (0-59)
* * `'ss'`: Second in minute, padded (00-59)
* * `'s'`: Second in minute (0-59)
* * `'sss'`: Millisecond in second, padded (000-999)
* * `'a'`: AM/PM marker
* * `'Z'`: 4 digit (+sign) representation of the timezone offset (-1200-+1200)
* * `'ww'`: Week of year, padded (00-53). Week 01 is the week with the first Thursday of the year
* * `'w'`: Week of year (0-53). Week 1 is the week with the first Thursday of the year
* * `'G'`, `'GG'`, `'GGG'`: The abbreviated form of the era string (e.g. 'AD')
* * `'GGGG'`: The long form of the era string (e.g. 'Anno Domini')
*
* `format` string can also be one of the following predefined
* {@link guide/i18n localizable formats}:
*
* * `'medium'`: equivalent to `'MMM d, y h:mm:ss a'` for en_US locale
* (e.g. Sep 3, 2010 12:05:08 PM)
* * `'short'`: equivalent to `'M/d/yy h:mm a'` for en_US locale (e.g. 9/3/10 12:05 PM)
* * `'fullDate'`: equivalent to `'EEEE, MMMM d, y'` for en_US locale
* (e.g. Friday, September 3, 2010)
* * `'longDate'`: equivalent to `'MMMM d, y'` for en_US locale (e.g. September 3, 2010)
* * `'mediumDate'`: equivalent to `'MMM d, y'` for en_US locale (e.g. Sep 3, 2010)
* * `'shortDate'`: equivalent to `'M/d/yy'` for en_US locale (e.g. 9/3/10)
* * `'mediumTime'`: equivalent to `'h:mm:ss a'` for en_US locale (e.g. 12:05:08 PM)
* * `'shortTime'`: equivalent to `'h:mm a'` for en_US locale (e.g. 12:05 PM)
*
* `format` string can contain literal values. These need to be escaped by surrounding with single quotes (e.g.
* `"h 'in the morning'"`). In order to output a single quote, escape it - i.e., two single quotes in a sequence
* (e.g. `"h 'o''clock'"`).
*
* Any other characters in the `format` string will be output as-is.
*
* @param {(Date|number|string)} date Date to format either as Date object, milliseconds (string or
* number) or various ISO 8601 datetime string formats (e.g. yyyy-MM-ddTHH:mm:ss.sssZ and its
* shorter versions like yyyy-MM-ddTHH:mmZ, yyyy-MM-dd or yyyyMMddTHHmmssZ). If no timezone is
* specified in the string input, the time is considered to be in the local timezone.
* @param {string=} format Formatting rules (see Description). If not specified,
* `mediumDate` is used.
* @param {string=} timezone Timezone to be used for formatting. It understands UTC/GMT and the
* continental US time zone abbreviations, but for general use, use a time zone offset, for
* example, `'+0430'` (4 hours, 30 minutes east of the Greenwich meridian)
* If not specified, the timezone of the browser will be used.
* @returns {string} Formatted string or the input if input is not recognized as date/millis.
*
* @example
<example name="filter-date">
<file name="index.html">
<span ng-non-bindable>{{1288323623006 | date:'medium'}}</span>:
<span>{{1288323623006 | date:'medium'}}</span><br>
<span ng-non-bindable>{{1288323623006 | date:'yyyy-MM-dd HH:mm:ss Z'}}</span>:
<span>{{1288323623006 | date:'yyyy-MM-dd HH:mm:ss Z'}}</span><br>
<span ng-non-bindable>{{1288323623006 | date:'MM/dd/yyyy @ h:mma'}}</span>:
<span>{{'1288323623006' | date:'MM/dd/yyyy @ h:mma'}}</span><br>
<span ng-non-bindable>{{1288323623006 | date:"MM/dd/yyyy 'at' h:mma"}}</span>:
<span>{{'1288323623006' | date:"MM/dd/yyyy 'at' h:mma"}}</span><br>
</file>
<file name="protractor.js" type="protractor">
it('should format date', function() {
expect(element(by.binding("1288323623006 | date:'medium'")).getText()).
toMatch(/Oct 2\d, 2010 \d{1,2}:\d{2}:\d{2} (AM|PM)/);
expect(element(by.binding("1288323623006 | date:'yyyy-MM-dd HH:mm:ss Z'")).getText()).
toMatch(/2010-10-2\d \d{2}:\d{2}:\d{2} (-|\+)?\d{4}/);
expect(element(by.binding("'1288323623006' | date:'MM/dd/yyyy @ h:mma'")).getText()).
toMatch(/10\/2\d\/2010 @ \d{1,2}:\d{2}(AM|PM)/);
expect(element(by.binding("'1288323623006' | date:\"MM/dd/yyyy 'at' h:mma\"")).getText()).
toMatch(/10\/2\d\/2010 at \d{1,2}:\d{2}(AM|PM)/);
});
</file>
</example>
*/
dateFilter.$inject = ['$locale'];
function dateFilter($locale) {
var R_ISO8601_STR = /^(\d{4})-?(\d\d)-?(\d\d)(?:T(\d\d)(?::?(\d\d)(?::?(\d\d)(?:\.(\d+))?)?)?(Z|([+-])(\d\d):?(\d\d))?)?$/;
// 1 2 3 4 5 6 7 8 9 10 11
function jsonStringToDate(string) {
var match;
if ((match = string.match(R_ISO8601_STR))) {
var date = new Date(0),
tzHour = 0,
tzMin = 0,
dateSetter = match[8] ? date.setUTCFullYear : date.setFullYear,
timeSetter = match[8] ? date.setUTCHours : date.setHours;
if (match[9]) {
tzHour = toInt(match[9] + match[10]);
tzMin = toInt(match[9] + match[11]);
}
dateSetter.call(date, toInt(match[1]), toInt(match[2]) - 1, toInt(match[3]));
var h = toInt(match[4] || 0) - tzHour;
var m = toInt(match[5] || 0) - tzMin;
var s = toInt(match[6] || 0);
var ms = Math.round(parseFloat('0.' + (match[7] || 0)) * 1000);
timeSetter.call(date, h, m, s, ms);
return date;
}
return string;
}
return function(date, format, timezone) {
var text = '',
parts = [],
fn, match;
format = format || 'mediumDate';
format = $locale.DATETIME_FORMATS[format] || format;
if (isString(date)) {
date = NUMBER_STRING.test(date) ? toInt(date) : jsonStringToDate(date);
}
if (isNumber(date)) {
date = new Date(date);
}
if (!isDate(date) || !isFinite(date.getTime())) {
return date;
}
while (format) {
match = DATE_FORMATS_SPLIT.exec(format);
if (match) {
parts = concat(parts, match, 1);
format = parts.pop();
} else {
parts.push(format);
format = null;
}
}
var dateTimezoneOffset = date.getTimezoneOffset();
if (timezone) {
dateTimezoneOffset = timezoneToOffset(timezone, dateTimezoneOffset);
date = convertTimezoneToLocal(date, timezone, true);
}
forEach(parts, function(value) {
fn = DATE_FORMATS[value];
text += fn ? fn(date, $locale.DATETIME_FORMATS, dateTimezoneOffset)
: value === '\'\'' ? '\'' : value.replace(/(^'|'$)/g, '').replace(/''/g, '\'');
});
return text;
};
}
/**
* @ngdoc filter
* @name json
* @kind function
*
* @description
* Allows you to convert a JavaScript object into JSON string.
*
* This filter is mostly useful for debugging. When using the double curly {{value}} notation
* the binding is automatically converted to JSON.
*
* @param {*} object Any JavaScript object (including arrays and primitive types) to filter.
* @param {number=} spacing The number of spaces to use per indentation, defaults to 2.
* @returns {string} JSON string.
*
*
* @example
<example name="filter-json">
<file name="index.html">
<pre id="default-spacing">{{ {'name':'value'} | json }}</pre>
<pre id="custom-spacing">{{ {'name':'value'} | json:4 }}</pre>
</file>
<file name="protractor.js" type="protractor">
it('should jsonify filtered objects', function() {
expect(element(by.id('default-spacing')).getText()).toMatch(/\{\n {2}"name": ?"value"\n}/);
expect(element(by.id('custom-spacing')).getText()).toMatch(/\{\n {4}"name": ?"value"\n}/);
});
</file>
</example>
*
*/
function jsonFilter() {
return function(object, spacing) {
if (isUndefined(spacing)) {
spacing = 2;
}
return toJson(object, spacing);
};
}
/**
* @ngdoc filter
* @name lowercase
* @kind function
* @description
* Converts string to lowercase.
*
* See the {@link ng.uppercase uppercase filter documentation} for a functionally identical example.
*
* @see angular.lowercase
*/
var lowercaseFilter = valueFn(lowercase);
/**
* @ngdoc filter
* @name uppercase
* @kind function
* @description
* Converts string to uppercase.
* @example
<example module="uppercaseFilterExample" name="filter-uppercase">
<file name="index.html">
<script>
angular.module('uppercaseFilterExample', [])
.controller('ExampleController', ['$scope', function($scope) {
$scope.title = 'This is a title';
}]);
</script>
<div ng-controller="ExampleController">
<!-- This title should be formatted normally -->
<h1>{{title}}</h1>
<!-- This title should be capitalized -->
<h1>{{title | uppercase}}</h1>
</div>
</file>
</example>
*/
var uppercaseFilter = valueFn(uppercase);