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feat(Drop): liquid_method_missing and to_s

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close #97
This commit is contained in:
harttle
2019-01-28 19:53:04 +08:00
parent f38ea63c14
commit 4dffb27e95
5 changed files with 57 additions and 25 deletions
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src/scope.js
+20 -10
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@@ -60,16 +60,10 @@ const Scope = {
if (_.isNil(obj)) {
val = undefined
} else {
if (typeof obj.to_liquid === 'function') {
obj = obj.to_liquid()
} else if (typeof obj.toLiquid === 'function') {
obj = obj.toLiquid()
}
if (key === 'size' && (_.isArray(obj) || _.isString(obj))) {
val = obj.length
} else {
val = obj[key]
obj = toLiquid(obj)
val = key === 'size' ? readSize(obj) : obj[key]
if (_.isFunction(obj.liquid_method_missing)) {
val = obj.liquid_method_missing(key)
}
}
if (_.isNil(val) && this.opts.strict_variables) {
@@ -138,6 +132,22 @@ const Scope = {
}
}
function toLiquid (obj) {
if (_.isFunction(obj.to_liquid)) {
return obj.to_liquid()
}
if (_.isFunction(obj.toLiquid)) {
return obj.toLiquid()
}
return obj
}
function readSize (obj) {
if (!_.isNil(obj.size)) return obj.size
if (_.isArray(obj) || _.isString(obj)) return obj.length
return obj.size
}
function matchRightBracket (str, begin) {
let stack = 1 // count of '[' - count of ']'
for (let i = begin; i < str.length; i++) {