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Code Issues Packages Projects Releases Wiki Activity

feature: whitespace control, fixes #17

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This commit is contained in:
harttle
2016-12-26 23:23:58 +08:00
parent fbb1dc8a36
commit 564d9cd9f4
6 changed files with 113 additions and 58 deletions
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.travis.yml
+1 -1
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@@ -1,6 +1,6 @@
language: node_js
node_js:
- "4"
- "5"
before_script:
- npm install -g mocha
after_script:
index.js
+8 -6
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@@ -34,7 +34,7 @@ var _engine = {
return this;
},
parse: function(html, filepath) {
var tokens = tokenizer.parse(html, filepath);
var tokens = tokenizer.parse(html, filepath, this.options);
return this.parser.parse(tokens);
},
render: function(tpl, ctx, opts) {
@@ -115,14 +115,16 @@ var _engine = {
};
function factory(options) {
options = _.assign({}, options);
options = _.assign({
root: ['.'],
cache: false,
extname: '.liquid',
trim_right: false,
trim_left: false
}, options);
options.root = normalizeStringArray(options.root);
if (!options.root.length) options.root = ['.'];
options.extname = options.extname || '.liquid';
var engine = Object.create(_engine);
engine.init(Tag(), Filter(options), options);
return engine;
}
package.json
+1 -1
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@@ -35,7 +35,7 @@
"babelify": "^7.3.0",
"browserify": "^13.1.0",
"chai": "^3.5.0",
"chai-as-promised": "^5.3.0",
"chai-as-promised": "^6.0.0",
"coveralls": "^2.11.9",
"express": "^4.14.0",
"istanbul": "^0.4.3",
src/tokenizer.js
+12 -2
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@@ -3,11 +3,13 @@ const TokenizationError = require('./util/error.js').TokenizationError;
const _ = require('./util/underscore.js');
const assert = require('../src/util/assert.js');
function parse(html, filepath) {
function parse(html, filepath, options) {
assert(_.isString(html), 'illegal input type');
html = whiteSpaceCtrl(html, options);
var tokens = [];
var syntax = /({%(.*?)%})|({{(.*?)}})/g;
var syntax = /({%-?(.*?)-?%})|({{-?(.*?)-?}})/g;
var result, htmlFragment, token;
var lastMatchEnd = 0, lastMatchBegin = -1, parsedLinesCount = 0;
@@ -71,4 +73,12 @@ function parse(html, filepath) {
}
}
function whiteSpaceCtrl(html, options){
options = options || {};
var rLeft = options.trim_left ? /\s+({[{%])/g : /\s+({[{%]-)/g;
var rRight = options.trim_right ? /([}%]})\s+/g : /(-[}%]})\s+/g;
return html.replace(rLeft, '$1').replace(rRight, '$1');
}
exports.parse = parse;
exports.whiteSpaceCtrl = whiteSpaceCtrl;
test/tokenizer.js
+89 -46
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@@ -1,57 +1,100 @@
var chai = require("chai");
var should = chai.should();
var expect = chai.expect;
const chai = require("chai");
const parse = require('../src/tokenizer.js').parse;
const whiteSpaceCtrl = require('../src/tokenizer.js').whiteSpaceCtrl;
var tokenizer = require('../src/tokenizer.js');
const should = chai.should();
const expect = chai.expect;
describe('tokenizer', function() {
it('should handle plain HTML', function() {
var html = '<html><body><p>Lorem Ipsum</p></body></html>';
var tokens = tokenizer.parse(html);
describe('parse', function() {
it('should handle plain HTML', function() {
var html = '<html><body><p>Lorem Ipsum</p></body></html>';
var tokens = parse(html);
tokens.length.should.equal(1);
tokens[0].value.should.equal(html);
tokens[0].type.should.equal('html');
});
it('should throw when non-string passed in', function() {
expect(function() {
tokenizer.parse({});
}).to.throw('illegal input type');
});
it('should handle tag syntax', function() {
var html = '<p>{% for p in a[1]%}</p>';
var tokens = tokenizer.parse(html);
tokens.length.should.equal(1);
tokens[0].value.should.equal(html);
tokens[0].type.should.equal('html');
});
it('should throw when non-string passed in', function() {
expect(function() {
parse({});
}).to.throw('illegal input type');
});
it('should handle tag syntax', function() {
var html = '<p>{% for p in a[1]%}</p>';
var tokens = parse(html);
tokens.length.should.equal(3);
tokens[1].type.should.equal('tag');
tokens[1].value.should.equal('for p in a[1]');
});
it('should handle output syntax', function() {
var html = '<p>{{foo | date: "%Y-%m-%d"}}</p>';
var tokens = tokenizer.parse(html);
tokens.length.should.equal(3);
tokens[1].type.should.equal('tag');
tokens[1].value.should.equal('for p in a[1]');
});
it('should handle output syntax', function() {
var html = '<p>{{foo | date: "%Y-%m-%d"}}</p>';
var tokens = parse(html);
tokens.length.should.equal(3);
tokens[1].type.should.equal('output');
tokens[1].value.should.equal('foo | date: "%Y-%m-%d"');
});
it('should handle successive outputs and tags', function() {
var html = '{{foo}}{{bar}}{%foo%}{%bar%}';
var tokens = tokenizer.parse(html);
tokens.length.should.equal(3);
tokens[1].type.should.equal('output');
tokens[1].value.should.equal('foo | date: "%Y-%m-%d"');
});
it('should handle successive outputs and tags', function() {
var html = '{{foo}}{{bar}}{%foo%}{%bar%}';
var tokens = parse(html);
tokens.length.should.equal(4);
tokens[0].type.should.equal('output');
tokens[3].type.should.equal('tag');
tokens.length.should.equal(4);
tokens[0].type.should.equal('output');
tokens[3].type.should.equal('tag');
tokens[1].value.should.equal('bar');
tokens[2].value.should.equal('foo');
tokens[1].value.should.equal('bar');
tokens[2].value.should.equal('foo');
});
it('should keep white spaces and newlines', function() {
var html = '{{foo}}\n{%bar %} \n {{alice}}';
var tokens = parse(html);
expect(tokens.length).to.equal(5);
expect(tokens[1].type).to.equal('html');
expect(tokens[1].raw).to.equal('\n');
expect(tokens[3].type).to.equal('html');
expect(tokens[3].raw).to.equal(' \n ');
});
});
it('should keep white spaces and newlines', function() {
var html = '{{foo}}\n{%bar %} \n {{alice}}';
var tokens = tokenizer.parse(html);
expect(tokens.length).to.equal(5);
expect(tokens[1].type).to.equal('html');
expect(tokens[1].raw).to.equal('\n');
expect(tokens[3].type).to.equal('html');
expect(tokens[3].raw).to.equal(' \n ');
describe('whitespace control', function() {
it('should strip left whitespaces', function() {
expect(whiteSpaceCtrl(' {{- foo }}')).to.equal('{{- foo }}');
});
it('should strip right whitespaces', function() {
expect(whiteSpaceCtrl('{{ foo -}} ')).to.equal('{{ foo -}}');
});
it('should not strip left when not specified', function() {
expect(whiteSpaceCtrl(' {%foo-%} ')).to.equal(' {%foo-%}');
});
it('should not strip right when not specified', function() {
expect(whiteSpaceCtrl(' {{-foo}} ')).to.equal('{{-foo}} ');
});
it('should strip all blank characters', function() {
expect(whiteSpaceCtrl('\t\r{{-foo-}}\n \n')).to.equal('{{-foo-}}');
});
it('should stop stripping when encountered normal chars', () =>
expect(whiteSpaceCtrl('\ta\r{{-foo-}} b ')).to.equal('\ta{{-foo-}}b '));
it('should strip whitespaces when set trim_left', function() {
expect(whiteSpaceCtrl(' {{foo}} ', {
trim_left: true
})).to.equal('{{foo}} ');
});
it('should strip whitespaces when set trim_right', function() {
expect(whiteSpaceCtrl(' {{foo}} ', {
trim_right: true
})).to.equal(' {{foo}}');
});
it('markup should has priority over options', function() {
expect(whiteSpaceCtrl(' {{-foo}} ', {
trim_left: false
})).to.equal('{{-foo}} ');
});
it('should support a mix of markup and options', function() {
expect(whiteSpaceCtrl(' {%-foo%} ', {
trim_left: true,
trim_right: true
})).to.equal('{%-foo%}');
});
});
});
test/util/error.js
+2 -2
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@@ -233,7 +233,7 @@ describe('error', function() {
.be.rejected
.then(function(err) {
expect(err.stack).to.contain('intended render reject');
expect(err.stack).to.contain('at Object.engine.registerTag.render');
expect(err.stack).to.match(/at .*:\d+:\d+\)/);
});
});
@@ -365,7 +365,7 @@ describe('error', function() {
.be.rejected
.then(function(err) {
expect(err.stack).to.contain('AssertionError: tag -a not found');
expect(err.stack).to.contain('at Object._tagInstance.parse');
expect(err.stack).to.match(/at .*:\d+:\d+\)$/);
});
});