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DatePicker: support literal
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island205 committed May 27, 2019
1 parent c27788f commit d7a1339
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Showing 6 changed files with 117 additions and 30 deletions.
1 change: 1 addition & 0 deletions examples/docs/en-US/date-picker.md
Original file line number Diff line number Diff line change
Expand Up @@ -346,6 +346,7 @@ Pay attention to capitalization
| `A` | AM/PM | only for `format`, uppercased | AM |
| `a` | am/pm | only for `format`, lowercased | am |
| `timestamp` | JS timestamp | only for `value-format`; binding value will be a `number` | 1483326245000 |
| `[MM]` | No escape characters | To escape characters, wrap them in square brackets (e.g. [A] [MM]) | MM |

:::demo
```html
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1 change: 1 addition & 0 deletions examples/docs/es/date-picker.md
Original file line number Diff line number Diff line change
Expand Up @@ -346,6 +346,7 @@ Preste atención a la capitalización
| `A` | AM/PM | solamente para `format`, mayusculas | AM |
| `a` | am/pm | solamente para `format`, minúsculas | am |
| `timestamp` | JS timestamp | solamente para `value-format`; valor vinculado debe ser un `number` | 1483326245000 |
| `[MM]` | No escape characters | To escape characters, wrap them in square brackets (e.g. [A] [MM]) | MM |

:::demo
```html
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1 change: 1 addition & 0 deletions examples/docs/fr-FR/date-picker.md
Original file line number Diff line number Diff line change
Expand Up @@ -347,6 +347,7 @@ Attention à la capitalisation !
| `A` | AM/PM | uniquement pour `format`, majuscules | AM |
| `a` | am/pm | uniquement pour `format`, minuscules | am |
| `timestamp` | timestamp JS | uniquement pour `value-format`; la variable stockée sera un `number` | 1483326245000 |
| `[MM]` | No escape characters | To escape characters, wrap them in square brackets (e.g. [A] [MM]) | MM |

:::demo
```html
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1 change: 1 addition & 0 deletions examples/docs/zh-CN/date-picker.md
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Expand Up @@ -299,6 +299,7 @@
| `A` | AM/PM |`format` 可用,大写 | AM |
| `a` | am/pm |`format` 可用,小写 | am |
| `timestamp` | JS时间戳 |`value-format` 可用;组件绑定值为`number`类型 | 1483326245000 |
| `[MM]` | 不需要格式化字符 | 使用方括号标识不需要格式化的字符 (如 [A] [MM]) | MM |

:::demo
```html
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84 changes: 54 additions & 30 deletions src/utils/date.js
Original file line number Diff line number Diff line change
Expand Up @@ -34,13 +34,18 @@
*/
var fecha = {};
var token = /d{1,4}|M{1,4}|yy(?:yy)?|S{1,3}|Do|ZZ|([HhMsDm])\1?|[aA]|"[^"]*"|'[^']*'/g;
var twoDigits = /\d\d?/;
var threeDigits = /\d{3}/;
var fourDigits = /\d{4}/;
var word = /[0-9]*['a-z\u00A0-\u05FF\u0700-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+|[\u0600-\u06FF\/]+(\s*?[\u0600-\u06FF]+){1,2}/i;
var twoDigits = '\\d\\d?';
var threeDigits = '\\d{3}';
var fourDigits = '\\d{4}';
var word = '[^\\s]+';
var literal = /\[([^]*?)\]/gm;
var noop = function () {
};

function regexEscape(str) {
return str.replace( /[|\\{()[^$+*?.-]/g, '\\$&');
}

function shorten(arr, sLen) {
var newArr = [];
for (var i = 0, len = arr.length; i < len; i++) {
Expand Down Expand Up @@ -117,10 +122,10 @@
return i18n.monthNames[dateObj.getMonth()];
},
yy: function(dateObj) {
return String(dateObj.getFullYear()).substr(2);
return pad(String(dateObj.getFullYear()), 4).substr(2);
},
yyyy: function(dateObj) {
return dateObj.getFullYear();
return pad(dateObj.getFullYear(), 4);
},
h: function(dateObj) {
return dateObj.getHours() % 12 || 12;
Expand Down Expand Up @@ -171,6 +176,9 @@
d: [twoDigits, function (d, v) {
d.day = v;
}],
Do: [twoDigits + word, function (d, v) {
d.day = parseInt(v, 10);
}],
M: [twoDigits, function (d, v) {
d.month = v - 1;
}],
Expand All @@ -190,10 +198,10 @@
yyyy: [fourDigits, function (d, v) {
d.year = v;
}],
S: [/\d/, function (d, v) {
S: ['\\d', function (d, v) {
d.millisecond = v * 100;
}],
SS: [/\d{2}/, function (d, v) {
SS: ['\\d{2}', function (d, v) {
d.millisecond = v * 10;
}],
SSS: [threeDigits, function (d, v) {
Expand All @@ -211,18 +219,18 @@
d.isPm = true;
}
}],
ZZ: [/[\+\-]\d\d:?\d\d/, function (d, v) {
var parts = (v + '').match(/([\+\-]|\d\d)/gi), minutes;
ZZ: ['[^\\s]*?[\\+\\-]\\d\\d:?\\d\\d|[^\\s]*?Z', function (d, v) {
var parts = (v + '').match(/([+-]|\d\d)/gi), minutes;

if (parts) {
minutes = +(parts[1] * 60) + parseInt(parts[2], 10);
d.timezoneOffset = parts[0] === '+' ? minutes : -minutes;
}
}]
};
parseFlags.DD = parseFlags.D;
parseFlags.dd = parseFlags.d;
parseFlags.dddd = parseFlags.ddd;
parseFlags.Do = parseFlags.dd = parseFlags.d;
parseFlags.DD = parseFlags.D;
parseFlags.mm = parseFlags.m;
parseFlags.hh = parseFlags.H = parseFlags.HH = parseFlags.h;
parseFlags.MM = parseFlags.M;
Expand All @@ -232,7 +240,7 @@

// Some common format strings
fecha.masks = {
'default': 'ddd MMM dd yyyy HH:mm:ss',
default: 'ddd MMM dd yyyy HH:mm:ss',
shortDate: 'M/D/yy',
mediumDate: 'MMM d, yyyy',
longDate: 'MMMM d, yyyy',
Expand Down Expand Up @@ -261,9 +269,21 @@

mask = fecha.masks[mask] || mask || fecha.masks['default'];

return mask.replace(token, function ($0) {
var literals = [];

// Make literals inactive by replacing them with ??
mask = mask.replace(literal, function($0, $1) {
literals.push($1);
return '@@@';
});
// Apply formatting rules
mask = mask.replace(token, function ($0) {
return $0 in formatFlags ? formatFlags[$0](dateObj, i18n) : $0.slice(1, $0.length - 1);
});
// Inline literal values back into the formatted value
return mask.replace(/@@@/g, function() {
return literals.shift();
});
};

/**
Expand All @@ -285,31 +305,35 @@
// Avoid regular expression denial of service, fail early for really long strings
// https://www.owasp.org/index.php/Regular_expression_Denial_of_Service_-_ReDoS
if (dateStr.length > 1000) {
return false;
return null;
}

var isValid = true;
var dateInfo = {};
format.replace(token, function ($0) {
var parseInfo = [];
var literals = [];
format = format.replace(literal, function($0, $1) {
literals.push($1);
return '@@@';
});
var newFormat = regexEscape(format).replace(token, function ($0) {
if (parseFlags[$0]) {
var info = parseFlags[$0];
var index = dateStr.search(info[0]);
if (!~index) {
isValid = false;
} else {
dateStr.replace(info[0], function (result) {
info[1](dateInfo, result, i18n);
dateStr = dateStr.substr(index + result.length);
return result;
});
}
parseInfo.push(info[1]);
return '(' + info[0] + ')';
}

return parseFlags[$0] ? '' : $0.slice(1, $0.length - 1);
return $0;
});
newFormat = newFormat.replace(/@@@/g, function() {
return literals.shift();
});
var matches = dateStr.match(new RegExp(newFormat, 'i'));
if (!matches) {
return null;
}

if (!isValid) {
return false;
for (var i = 1; i < matches.length; i++) {
parseInfo[i - 1](dateInfo, matches[i], i18n);
}

var today = new Date();
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59 changes: 59 additions & 0 deletions test/unit/specs/date-picker.spec.js
Original file line number Diff line number Diff line change
Expand Up @@ -489,6 +489,37 @@ describe('DatePicker', () => {
}, DELAY);
});

it('with literal string', done => {
vm = createVue({
template: `
<el-date-picker
ref="compo"
v-model="value"
type="date"
value-format="dd/MM yyyy [Element]" />`,
data() {
return {
value: ''
};
}
}, true);

vm.$refs.compo.$el.querySelector('input').focus();

setTimeout(_ => {
vm.$refs.compo.picker.$el.querySelector('.el-date-table td.available').click();
setTimeout(_ => {
const today = new Date();
const yyyy = today.getFullYear();
const MM = ('0' + (today.getMonth() + 1)).slice(-2);
const dd = '01'; // first available one should be first day of month
const expectValue = `${dd}/${MM} ${yyyy} Element`;
expect(vm.value).to.equal(expectValue);
done();
}, DELAY);
}, DELAY);
});

it('accepts', done => {
vm = createVue({
template: `
Expand Down Expand Up @@ -549,6 +580,34 @@ describe('DatePicker', () => {
}, DELAY);
});

it('translates format to value-format with literal string', done => {
vm = createVue({
template: `
<el-date-picker
ref="compo"
v-model="value"
type="date"
format="[Element] yyyy-MM-dd"
value-format="dd/MM yyyy [UI]" />`,
data() {
return {
value: ''
};
}
}, true);
const input = vm.$refs.compo.$el.querySelector('input');
input.focus();
setTimeout(_ => {
input.value = 'Element 2000-10-01';
triggerEvent(input, 'input');
keyDown(input, ENTER);
setTimeout(_ => {
expect(vm.value).to.equal('01/10 2000 UI');
done();
}, DELAY);
}, DELAY);
});

it('works for daterange', done => {
vm = createVue({
template: `
Expand Down

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