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shopify-liquid

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shopify-liquid - npm Package Compare versions

Comparing version 1.3.1 to 1.3.2

2

demo/express/app.js

@@ -11,3 +11,3 @@ var express = require('express');

app.engine('liquid', engine.express()); // register liquid engine
app.set('views', __dirname); // specify the views directory
app.set('views', ['./partials', './views']); // specify the views directory
app.set('view engine', 'liquid'); // set to default

@@ -14,0 +14,0 @@

1

demo/express/package.json

@@ -7,2 +7,3 @@ {

"scripts": {
"start": "node index.js",
"test": "echo \"Error: no test specified\" && exit 1"

@@ -9,0 +10,0 @@ },

4

dist/liquid.min.js

@@ -1,2 +0,2 @@

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strict";t.exports=function(t){e("./assign.js")(t),e("./capture.js")(t),e("./case.js")(t),e("./comment.js")(t),e("./cycle.js")(t),e("./decrement.js")(t),e("./for.js")(t),e("./if.js")(t),e("./include.js")(t),e("./increment.js")(t),e("./layout.js")(t),e("./raw.js")(t),e("./tablerow.js")(t),e("./unless.js")(t)}},{"./assign.js":22,"./capture.js":23,"./case.js":24,"./comment.js":25,"./cycle.js":26,"./decrement.js":27,"./for.js":28,"./if.js":29,"./include.js":30,"./increment.js":31,"./layout.js":33,"./raw.js":34,"./tablerow.js":35,"./unless.js":36}],33:[function(e,t){"use strict";var r=e(".."),n=e("any-promise"),s=r.lexical,i=e("../src/util/assert.js");t.exports=function(e){e.registerTag("layout",{parse:function(t,r){var n=s.value.exec(t.args);i(n,"illegal token "+t.raw),this.layout=n[0],this.tpls=e.parser.parse(r)},render:function(t,n){var s=r.evalValue(this.layout,t),i=t.get("liquid");return e.renderer.renderTemplates(this.tpls,t).then(function(){return e.getTemplate(s,i.root)}).then(function(e){return t.push(n),e}).then(function(r){return e.renderer.renderTemplates(r,t)}).then(function(e){return t.pop(),e})}}),e.registerTag("block",{parse:function(t,r){var n=this,s=/\w+/.exec(t.args);this.block=s?s[0]:"anonymous",this.tpls=[];var i=e.parser.parseStream(r).on("tag:endblock",function(){return i.stop()}).on("template",function(e){return n.tpls.push(e)}).on("end",function(){throw new Error("tag "+t.raw+" not closed")});i.start()},render:function(t){var r=this,s=t.get("liquid"),i=s.blocks[this.block];return void 0===i?e.renderer.renderTemplates(this.tpls,t).then(function(e){
return s.blocks[r.block]=e,e}):(s.blocks[this.block]=i,n.resolve(i))}})}},{"..":2,"../src/util/assert.js":16,"any-promise":3}],34:[function(e,t){"use strict";var r=e("any-promise");t.exports=function(e){e.registerTag("raw",{parse:function(t,r){var n=this;this.tokens=[];var s=e.parser.parseStream(r);s.on("token",function(e){"endraw"===e.name?s.stop():n.tokens.push(e)}).on("end",function(){throw new Error("tag "+t.raw+" not closed")}),s.start()},render:function(){var e=this.tokens.map(function(e){return e.raw}).join("");return r.resolve(e)}})}},{"any-promise":3}],35:[function(e,t){"use strict";var r=e(".."),n=e("any-promise"),s=r.lexical,i=e("../src/util/assert.js"),o=new RegExp("^("+s.identifier.source+")\\s+in\\s+"+("("+s.value.source+")")+("(?:\\s+"+s.hash.source+")*$"));t.exports=function(e){e.registerTag("tablerow",{parse:function(t,r){var n=this,s=o.exec(t.args);i(s,"illegal tag: "+t.raw),this.variable=s[1],this.collection=s[2],this.templates=[];var u,a=e.parser.parseStream(r).on("start",function(){return u=n.templates}).on("tag:endtablerow",function(){return a.stop()}).on("template",function(e){return u.push(e)}).on("end",function(){throw new Error("tag "+t.raw+" not closed")});a.start()},render:function(t,s){var i,o,u=this,a=r.evalExp(this.collection,t)||[],c="<table>",l=s.offset||0,f=void 0===s.limit?a.length:s.limit,p=s.cols;if(!p)throw new Error("illegal cols: "+p);a=a.slice(l,l+f);var h=[];a.some(function(e){var t={};t[u.variable]=e,h.push(t)});var g=h.reduce(function(r,n,s){return r.then(function(){return i=Math.floor(s/p)+1,o=s%p+1,1===o&&(1!==i&&(c+="</tr>"),c+='<tr class="row'+i+'">'),c+='<td class="col'+o+'">'}).then(function(){return t.push(n),e.renderer.renderTemplates(u.templates,t)}).then(function(e){return t.pop(n),c+=e,c+="</td>"})},n.resolve(""));return g.then(function(){return i>0&&(c+="</tr>"),c+="</table>"})["catch"](function(e){throw e})}})}},{"..":2,"../src/util/assert.js":16,"any-promise":3}],36:[function(e,t){"use strict";var r=e("..");t.exports=function(e){e.registerTag("unless",{parse:function(t,r){var n=this;this.templates=[],this.elseTemplates=[];var s,i=e.parser.parseStream(r).on("start",function(){s=n.templates,n.cond=t.args}).on("tag:else",function(){return s=n.elseTemplates}).on("tag:endunless",function(){return i.stop()}).on("template",function(e){return s.push(e)}).on("end",function(){throw new Error("tag "+t.raw+" not closed")});i.start()},render:function(t){var n=r.evalExp(this.cond,t);return r.isFalsy(n)?e.renderer.renderTemplates(this.templates,t):e.renderer.renderTemplates(this.elseTemplates,t)}})}},{"..":2}]},{},[2])(2)});

31

index.js

@@ -7,3 +7,3 @@ const Scope = require('./src/scope');

const readFileAsync = require('./src/util/fs.js').readFileAsync;
const pathResolve = require('./src/util/fs.js').pathResolve;
const path = require('path');
const Render = require('./src/render.js');

@@ -42,11 +42,4 @@ const lexical = require('./src/lexical.js');

render: function(tpl, ctx, opts) {
opts = _.assign({
strict_variables: false,
strict_filters: false,
root: []
}, opts);
this.renderer.initRegister(opts);
var scope = Scope.factory(ctx, {
strict: opts.strict_variables,
});
opts = _.assign({}, this.options, opts);
var scope = Scope.factory(ctx, opts);
return this.renderer.renderTemplates(tpl, scope);

@@ -86,3 +79,4 @@ },

root = this.options.root.concat(root || []);
var paths = root.map(root => pathResolve(root, filepath));
root = _.uniq(root);
var paths = root.map(root => path.resolve(root, filepath));
return anySeries(paths, path => statFileAsync(path).then(() => path))

@@ -97,3 +91,3 @@ .catch((e) => {

getTemplate: function(filepath, root) {
if (!filepath.match(/\.\w+$/)) {
if(!path.extname(filepath)){
filepath += this.options.extname;

@@ -117,9 +111,10 @@ }

},
express: function(renderOption) {
renderOption = renderOption || {};
express: function(opts) {
opts = opts || {};
var self = this;
return function(filePath, options, callback) {
assert(_.isArray(this.root), 'illegal views root, are you using express.js?');
renderOption.root = this.root;
self.renderFile(filePath, options, renderOption)
return function(filePath, ctx, callback) {
assert(_.isArray(this.root) || _.isString(this.root),
'illegal views root, are you using express.js?');
opts.root = this.root;
self.renderFile(filePath, ctx, opts)
.then(html => callback(null, html))

@@ -126,0 +121,0 @@ .catch(e => callback(e));

2

package.json
{
"name": "shopify-liquid",
"version": "1.3.1",
"version": "1.3.2",
"description": "Liquid template engine for JavaScript, Node.js and Browser",

@@ -5,0 +5,0 @@ "main": "index.js",

32

README.md

@@ -51,3 +51,5 @@ # shopify-liquid

extname: '.liquid',
cache: false
cache: false,
strict_filters: false, // default: false
strict_variables: false // default: false
});

@@ -67,3 +69,3 @@ engine.renderFile("hello.liquid", {name: 'alice'})

If an array, the files are looked up in the order they occur in the array.
Defaults to `["."]`
Defaults to `process.cwd()`

@@ -74,23 +76,8 @@ * `extname` is used to lookup the template file when filepath doesn't include an extension name. Defaults to `.liquid`

## Strict Rendering
* `strict_filters` is used to enable strict filter existence. If set to `false`, undefined filters will be rendered as empty string. Otherwise, undefined filters will cause an exception. Defaults to `false`.
Undefined filters and variables will be rendered as empty string by default.
Enable strict rendering to throw errors upon undefined variables/filters:
* `strict_variables` is used to enable strict variable derivation.
If set to `false`, undefined variables will be rendered as empty string.
Otherwise, undefined variables will cause an exception. Defaults to `false`.
```javascript
var opts = {
strict_variables: true,
strict_filters: true
};
engine.parseAndRender("{{ foo }}", {}, opts).catch(function(err){
// err.message === undefined variable: foo
});
engine.parseAndRender("{{ 'foo' | filter1 }}", {}, opts).catch(function(err){
// err.message === undefined filter: filter1
});
// Note: the below opts also work:
// engine.render(tpl, ctx, opts)
// engine.renderFile(path, ctx, opts)
```
## Use with Express.js

@@ -110,3 +97,4 @@

Note: includes and layouts lookup path should always be specified by `Liquid({root: []})`.
When using with Express.js, partials(includes and layouts) will be looked up in
both Liquid `root` and Express `views` directories.

@@ -113,0 +101,0 @@ ## Use in Browser

2

src/filter.js

@@ -24,3 +24,3 @@ const lexical = require('./lexical.js');

name: name,
error: new Error(`undefined filter: ${name}`)
error: new TypeError(`undefined filter: ${name}`)
};

@@ -27,0 +27,0 @@ }

10

src/render.js

@@ -6,2 +6,3 @@ const Syntax = require('./syntax.js');

const assert = require('./util/assert.js');
const _ = require('./util/underscore.js');

@@ -45,3 +46,3 @@ var render = {

}
return template.render(scope, this.register);
return template.render(scope);
},

@@ -54,3 +55,3 @@

if (filter.error) {
if (this.register.strict_filters) {
if (scope.get('liquid.strict_filters')) {
throw filter.error;

@@ -65,6 +66,2 @@ } else {

return val;
},
initRegister: function(opts) {
return this.register = opts;
}

@@ -75,3 +72,2 @@ };

var instance = Object.create(render);
instance.register = {};
return instance;

@@ -78,0 +74,0 @@ }

72

src/scope.js
const _ = require('./util/underscore.js');
const lexical = require('./lexical.js');
const assert = require('./util/assert.js');
const referenceError = /undefined variable|Cannot read property .* of undefined/;
var Scope = {
safeGet: function(str) {
var i;
// get all
if (str === undefined) {
var ctx = {};
for (i = this.scopes.length - 1; i >= 0; i--) {
var scp = this.scopes[i];
for (var k in scp) {
if (scp.hasOwnProperty(k)) {
ctx[k] = scp[k];
}
getAll: function() {
var ctx = {};
for (var i = this.scopes.length - 1; i >= 0; i--) {
_.assign(ctx, this.scopes[i]);
}
return ctx;
},
get: function(str) {
for (var i = this.scopes.length - 1; i >= 0; i--) {
try {
return this.getPropertyByPath(this.scopes[i], str);
} catch (e) {
if (!referenceError.test(e.message) || this.opts.strict_variables) {
e.message += ': ' + str;
throw e;
}
}
return ctx;
}
// get one path
for (i = this.scopes.length - 1; i >= 0; i--) {
var v = this.getPropertyByPath(this.scopes[i], str);
if (v !== undefined) return v;
if(this.opts.strict_variables){
throw new TypeError('undefined variable: ' + str);
}
},
get: function(str) {
var val = this.safeGet(str);
if (val === undefined && this.opts.strict) {
throw new Error(`[strict_variables] undefined variable: ${str}`);
}
return val;
},
set: function(k, v) {

@@ -68,8 +63,10 @@ this.setPropertyByPath(this.scopes[this.scopes.length - 1], k, v);

getPropertyByPath: function(obj, path) {
if (_.isString(path) && path.length) {
var paths = this.propertyAccessSeq(path);
paths.forEach(p => obj = obj && obj[p]);
return obj;
var paths = this.propertyAccessSeq(path + '');
var varName = paths.shift();
if (!obj.hasOwnProperty(varName)) {
throw new TypeError('undefined variable');
}
return obj[path];
var variable = obj[varName];
paths.forEach(p => variable = variable[p]);
return variable;
},

@@ -100,7 +97,7 @@

// foo[1]
if(lexical.isInteger(name)){
if (lexical.isInteger(name)) {
seq.push(name);
}
// foo["bar"]
else{
else {
seq.push(this.get(name));

@@ -113,3 +110,3 @@ }

else {
var j = str.indexOf(delemiter, i + 2);
j = str.indexOf(delemiter, i + 2);
assert(j !== -1, `unbalanced ${delemiter}: ${str}`);

@@ -153,11 +150,18 @@ name = str.slice(i + 2, j);

exports.factory = function(_ctx, opts) {
exports.factory = function(ctx, opts) {
opts = _.assign({
strict: false
strict_variables: false,
strict_filters: false,
blocks: {},
root: []
}, opts);
ctx = _.assign(ctx, {
liquid: opts
});
var scope = Object.create(Scope);
scope.opts = opts;
scope.scopes = [_ctx || {}];
scope.scopes = [ctx];
return scope;
};

4

src/tag.js

@@ -21,5 +21,5 @@ const lexical = require('./lexical.js');

var _tagInstance = {
render: function(scope, register) {
render: function(scope) {
var obj = hash(this.token.args, scope);
return this.tagImpl.render && this.tagImpl.render(scope, obj, register) || Promise.resolve('');
return this.tagImpl.render && this.tagImpl.render(scope, obj) || Promise.resolve('');
},

@@ -26,0 +26,0 @@ parse: function(token, tokens){

14

src/util/fs.js

@@ -17,19 +17,5 @@ const fs = require('fs');

function pathResolve(root, path) {
if (path[0] == '/') return path;
var arr = root.split('/').concat(path.split('/'));
var result = [];
arr.forEach(function(slug) {
if (slug == '..') result.pop();
else if (!slug || slug == '.');
else result.push(slug);
});
return '/' + result.join('/');
}
module.exports = {
readFileAsync,
pathResolve,
statFileAsync
};

60

src/util/underscore.js

@@ -28,4 +28,24 @@ /*

function assign(dst, src) {
dst = dst || {};
/*
* Assigns own enumerable string keyed properties of source objects to the destination object.
* Source objects are applied from left to right.
* Subsequent sources overwrite property assignments of previous sources.
*
* Note: This method mutates object and is loosely based on Object.assign.
*
* @param {Object} object The destination object.
* @param {...Object} sources The source objects.
* @return {Object} Returns object.
*/
function assign(object) {
object = isObject(object) ? object : {};
var srcs = Array.prototype.slice.call(arguments, 1);
srcs.forEach(function(src) {
_assignBinary(object, src);
});
return object;
}
function _assignBinary(dst, src) {
if (!dst) return dst;
forOwn(src, function(v, k) {

@@ -37,2 +57,3 @@ dst[k] = v;

function isArray(value) {

@@ -42,5 +63,40 @@ return value instanceof Array;

function echo(prefix) {
return v => {
console.log('[' + prefix + ']', v);
return v;
};
}
function uniq(arr) {
var u = {},
a = [];
for (var i = 0, l = arr.length; i < l; ++i) {
if (u.hasOwnProperty(arr[i])) {
continue;
}
a.push(arr[i]);
u[arr[i]] = 1;
}
return a;
}
/*
* Checks if value is the language type of Object.
* (e.g. arrays, functions, objects, regexes, new Number(0), and new String(''))
* @param {any} value The value to check.
* @return {Boolean} Returns true if value is an object, else false.
*/
function isObject(value) {
return value !== null && typeof value === 'object';
}
exports.isString = isString;
exports.isArray = isArray;
exports.isObject = isObject;
exports.forOwn = forOwn;
exports.assign = assign;
exports.uniq = uniq;
exports.echo = echo;

3

tags/cycle.js

@@ -27,5 +27,6 @@ const Liquid = require('..');

render: function(scope, hash, register) {
render: function(scope, hash) {
var group = Liquid.evalValue(this.group, scope);
var fingerprint = `cycle:${group}:` + this.candidates.join(',');
var register = scope.get('liquid');
var idx = register[fingerprint];

@@ -32,0 +33,0 @@

9

tags/include.js

@@ -19,5 +19,9 @@ const Liquid = require('..');

},
render: function(scope, hash, register) {
console.log('include', register.root);
render: function(scope, hash) {
var filepath = Liquid.evalValue(this.value, scope);
var register = scope.get('liquid');
var originBlocks = register.blocks;
register.blocks = {};
if(this.with){

@@ -33,2 +37,3 @@ hash[filepath] = Liquid.evalValue(this.with, scope);

scope.pop();
register.blocks = originBlocks;
return html;

@@ -35,0 +40,0 @@ });

41

tags/layout.js

@@ -16,20 +16,16 @@ const Liquid = require('..');

},
render: function(scope) {
render: function(scope, hash) {
var layout = Liquid.evalValue(this.layout, scope);
var register = scope.get('liquid');
var html = '';
scope.push({});
// not sure if this first one is needed, since the results are ignored
// render the remaining tokens immediately
return liquid.renderer.renderTemplates(this.tpls, scope)
.then((partial) => {
html += partial;
return liquid.getTemplate(layout);
})
.then((templates) => {
return liquid.renderer.renderTemplates(templates, scope);
})
.then((partial) => {
scope.pop();
return partial;
});
// now register.blocks contains rendered blocks
.then(() => liquid.getTemplate(layout, register.root))
// push the hash
.then(templates => (scope.push(hash), templates))
// render the parent
.then(templates => liquid.renderer.renderTemplates(templates, scope))
// pop the hash
.then(partial => (scope.pop(), partial));
}

@@ -53,16 +49,17 @@ });

render: function(scope){
var html = scope.get(`_liquid.blocks.${this.block}`);
var promise = Promise.resolve('');
var register = scope.get('liquid');
var html = register.blocks[this.block];
// if not defined yet
if (html === undefined) {
promise = liquid.renderer.renderTemplates(this.tpls, scope)
return liquid.renderer.renderTemplates(this.tpls, scope)
.then((partial) => {
scope.set(`_liquid.blocks.${this.block}`, partial);
register.blocks[this.block] = partial;
return partial;
});
}
// if already defined by desendents
else {
scope.set(`_liquid.blocks.${this.block}`, html);
promise = Promise.resolve(html);
register.blocks[this.block] = html;
return Promise.resolve(html);
}
return promise;
}

@@ -69,0 +66,0 @@ });

src/express.js
demo/express/partials/layout.liquid

Sorry, the diff of this file is not supported yet

dist/liquid.js

Sorry, the diff of this file is too big to display

makefile

Sorry, the diff of this file is not supported yet

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