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19
node_modules/pug-attrs/LICENSE
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19
node_modules/pug-attrs/LICENSE
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Copyright (c) 2015 Forbes Lindesay
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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75
node_modules/pug-attrs/README.md
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node_modules/pug-attrs/README.md
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# pug-attrs
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Generate code for Pug attributes
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[](https://travis-ci.org/pugjs/pug-attrs)
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[](https://david-dm.org/pugjs/pug?path=packages/pug-attrs)
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[](https://www.npmjs.org/package/pug-attrs)
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## Installation
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npm install pug-attrs
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## Usage
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```js
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var compileAttrs = require('pug-attrs');
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```
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### `compileAttrs(attrs, options)`
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Compile `attrs` to a JavaScript string that evaluates to the attributes in the desired format.
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`options` MUST include the following properties:
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- `terse`: whether or not to use HTML5-style terse boolean attributes
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- `runtime`: callback that takes a runtime function name and returns the source code that will evaluate to that function at runtime
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- `format`: output format; must be `html` or `object`
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`attrs` is an array of attributes, with each attribute having the form of `{ name, val, mustEscape }`. `val` represents a JavaScript string that evaluates to the value of the attribute, either statically or dynamically.
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```js
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var compileAttrs = require('pug-attrs');
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var pugRuntime = require('pug-runtime');
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function getBaz () { return 'baz<>'; }
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var attrs = [
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{name: 'foo', val: '"bar"', mustEscape: true },
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{name: 'baz', val: 'getBaz()', mustEscape: true },
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{name: 'quux', val: true, mustEscape: false}
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];
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var result, finalResult;
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// HTML MODE
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result = compileAttrs(attrs, {
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terse: true,
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format: 'html',
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runtime: function (name) { return 'pugRuntime.' + name; }
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});
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//=> '" foo=\\"bar\\"" + pugRuntime.attr("baz", getBaz(), true, true) + " quux"'
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finalResult = Function('pugRuntime, getBaz',
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'return (' + result + ');'
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);
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finalResult(pugRuntime, getBaz);
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// => ' foo="bar" baz="baz<>" quux'
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// OBJECT MODE
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result = compileAttrs(attrs, {
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terse: true,
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format: 'object',
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runtime: function (name) { return 'pugRuntime.' + name; }
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});
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//=> '{"foo": "bar","baz": pugRuntime.escape(getBaz()),"quux": true}'
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finalResult = Function('pugRuntime, getBaz',
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'return (' + result + ');'
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);
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finalResult(pugRuntime, getBaz);
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//=> { foo: 'bar', baz: 'baz<>', quux: true }
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```
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## License
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MIT
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150
node_modules/pug-attrs/index.js
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node_modules/pug-attrs/index.js
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'use strict';
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var assert = require('assert');
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var constantinople = require('constantinople');
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var runtime = require('pug-runtime');
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var stringify = require('js-stringify');
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function isConstant(src) {
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return constantinople(src, {pug: runtime, pug_interp: undefined});
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}
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function toConstant(src) {
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return constantinople.toConstant(src, {pug: runtime, pug_interp: undefined});
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}
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module.exports = compileAttrs;
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/**
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* options:
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* - terse
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* - runtime
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* - format ('html' || 'object')
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*/
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function compileAttrs(attrs, options) {
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assert(Array.isArray(attrs), 'Attrs should be an array');
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assert(
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attrs.every(function(attr) {
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return (
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attr &&
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typeof attr === 'object' &&
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typeof attr.name === 'string' &&
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(typeof attr.val === 'string' || typeof attr.val === 'boolean') &&
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typeof attr.mustEscape === 'boolean'
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);
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}),
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'All attributes should be supplied as an object of the form {name, val, mustEscape}'
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);
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assert(options && typeof options === 'object', 'Options should be an object');
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assert(
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typeof options.terse === 'boolean',
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'Options.terse should be a boolean'
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);
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assert(
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typeof options.runtime === 'function',
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'Options.runtime should be a function that takes a runtime function name and returns the source code that will evaluate to that function at runtime'
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);
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assert(
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options.format === 'html' || options.format === 'object',
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'Options.format should be "html" or "object"'
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);
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var buf = [];
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var classes = [];
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var classEscaping = [];
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function addAttribute(key, val, mustEscape, buf) {
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if (isConstant(val)) {
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if (options.format === 'html') {
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var str = stringify(
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runtime.attr(key, toConstant(val), mustEscape, options.terse)
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);
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var last = buf[buf.length - 1];
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if (last && last[last.length - 1] === str[0]) {
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buf[buf.length - 1] = last.substr(0, last.length - 1) + str.substr(1);
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} else {
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buf.push(str);
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}
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} else {
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val = toConstant(val);
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if (mustEscape) {
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val = runtime.escape(val);
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}
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buf.push(stringify(key) + ': ' + stringify(val));
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}
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} else {
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if (options.format === 'html') {
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buf.push(
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options.runtime('attr') +
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'("' +
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key +
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'", ' +
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val +
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', ' +
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stringify(mustEscape) +
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', ' +
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stringify(options.terse) +
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')'
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);
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} else {
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if (mustEscape) {
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val = options.runtime('escape') + '(' + val + ')';
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}
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buf.push(stringify(key) + ': ' + val);
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}
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}
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}
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attrs.forEach(function(attr) {
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var key = attr.name;
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var val = attr.val;
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var mustEscape = attr.mustEscape;
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if (key === 'class') {
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classes.push(val);
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classEscaping.push(mustEscape);
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} else {
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if (key === 'style') {
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if (isConstant(val)) {
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val = stringify(runtime.style(toConstant(val)));
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} else {
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val = options.runtime('style') + '(' + val + ')';
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}
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}
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addAttribute(key, val, mustEscape, buf);
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}
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});
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var classesBuf = [];
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if (classes.length) {
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if (classes.every(isConstant)) {
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addAttribute(
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'class',
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stringify(runtime.classes(classes.map(toConstant), classEscaping)),
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false,
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classesBuf
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);
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} else {
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classes = classes.map(function(cls, i) {
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if (isConstant(cls)) {
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cls = stringify(
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classEscaping[i] ? runtime.escape(toConstant(cls)) : toConstant(cls)
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);
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classEscaping[i] = false;
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}
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return cls;
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});
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addAttribute(
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'class',
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options.runtime('classes') +
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'([' +
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classes.join(',') +
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'], ' +
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stringify(classEscaping) +
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')',
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false,
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classesBuf
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);
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}
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}
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buf = classesBuf.concat(buf);
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if (options.format === 'html') return buf.length ? buf.join('+') : '""';
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else return '{' + buf.join(',') + '}';
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}
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22
node_modules/pug-attrs/package.json
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node_modules/pug-attrs/package.json
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{
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"name": "pug-attrs",
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"version": "3.0.0",
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"description": "Generate code for Pug attributes",
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"keywords": [
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"pug"
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],
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"dependencies": {
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"constantinople": "^4.0.1",
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"js-stringify": "^1.0.2",
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"pug-runtime": "^3.0.0"
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},
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"files": [
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"index.js"
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],
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"repository": {
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"type": "git",
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"url": "https://github.com/pugjs/pug/tree/master/packages/pug-attrs"
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},
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"author": "Forbes Lindesay",
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"license": "MIT"
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}
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