diff options
Diffstat (limited to 'tpl')
-rw-r--r-- | tpl/js/init.go | 36 | ||||
-rw-r--r-- | tpl/js/js.go | 90 | ||||
-rw-r--r-- | tpl/tplimpl/template_funcs.go | 1 |
3 files changed, 127 insertions, 0 deletions
diff --git a/tpl/js/init.go b/tpl/js/init.go new file mode 100644 index 000000000..0af10bb10 --- /dev/null +++ b/tpl/js/init.go @@ -0,0 +1,36 @@ +// Copyright 2020 The Hugo Authors. All rights reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package js + +import ( + "github.com/gohugoio/hugo/deps" + "github.com/gohugoio/hugo/tpl/internal" +) + +const name = "js" + +func init() { + f := func(d *deps.Deps) *internal.TemplateFuncsNamespace { + ctx := New(d) + + ns := &internal.TemplateFuncsNamespace{ + Name: name, + Context: func(args ...interface{}) interface{} { return ctx }, + } + + return ns + } + + internal.AddTemplateFuncsNamespace(f) +} diff --git a/tpl/js/js.go b/tpl/js/js.go new file mode 100644 index 000000000..d8ba35a76 --- /dev/null +++ b/tpl/js/js.go @@ -0,0 +1,90 @@ +// Copyright 2020 The Hugo Authors. All rights reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Package js provides functions for building JavaScript resources +package js + +import ( + "errors" + "fmt" + + "github.com/gohugoio/hugo/common/maps" + "github.com/gohugoio/hugo/deps" + "github.com/gohugoio/hugo/resources" + "github.com/gohugoio/hugo/resources/resource" + "github.com/gohugoio/hugo/resources/resource_transformers/js" + _errors "github.com/pkg/errors" +) + +// New returns a new instance of the js-namespaced template functions. +func New(deps *deps.Deps) *Namespace { + return &Namespace{ + client: js.New(deps.BaseFs.Assets, deps.ResourceSpec), + } +} + +// Namespace provides template functions for the "js" namespace. +type Namespace struct { + deps *deps.Deps + client *js.Client +} + +// Build processes the given Resource with ESBuild. +func (ns *Namespace) Build(args ...interface{}) (resource.Resource, error) { + r, m, err := ns.resolveArgs(args) + if err != nil { + return nil, err + } + var options js.Options + if m != nil { + options, err = js.DecodeOptions(m) + + if err != nil { + return nil, err + } + } + + return ns.client.Process(r, options) + +} + +// This roundabout way of doing it is needed to get both pipeline behaviour and options as arguments. +// This is a copy of tpl/resources/resolveArgs +func (ns *Namespace) resolveArgs(args []interface{}) (resources.ResourceTransformer, map[string]interface{}, error) { + if len(args) == 0 { + return nil, nil, errors.New("no Resource provided in transformation") + } + + if len(args) == 1 { + r, ok := args[0].(resources.ResourceTransformer) + if !ok { + return nil, nil, fmt.Errorf("type %T not supported in Resource transformations", args[0]) + } + return r, nil, nil + } + + r, ok := args[1].(resources.ResourceTransformer) + if !ok { + if _, ok := args[1].(map[string]interface{}); !ok { + return nil, nil, fmt.Errorf("no Resource provided in transformation") + } + return nil, nil, fmt.Errorf("type %T not supported in Resource transformations", args[0]) + } + + m, err := maps.ToStringMapE(args[0]) + if err != nil { + return nil, nil, _errors.Wrap(err, "invalid options type") + } + + return r, m, nil +} diff --git a/tpl/tplimpl/template_funcs.go b/tpl/tplimpl/template_funcs.go index 9141de3f1..a688abb77 100644 --- a/tpl/tplimpl/template_funcs.go +++ b/tpl/tplimpl/template_funcs.go @@ -42,6 +42,7 @@ import ( _ "github.com/gohugoio/hugo/tpl/hugo" _ "github.com/gohugoio/hugo/tpl/images" _ "github.com/gohugoio/hugo/tpl/inflect" + _ "github.com/gohugoio/hugo/tpl/js" _ "github.com/gohugoio/hugo/tpl/lang" _ "github.com/gohugoio/hugo/tpl/math" _ "github.com/gohugoio/hugo/tpl/openapi/openapi3" |