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const operationFromFormName = (name) => {
let [type, argStr] = name.split('?');
let args = {};
if (argStr) {
args = JSON.parse(argStr);
}
return Object.assign({ type }, args);
};
const operationToFormName = (op) => {
let type = op.type;
let args = Object.assign({}, op);
delete args.type;
if (Object.keys(args).length === 0) {
return type;
}
return op.type + '?' + JSON.stringify(args);
};
const valueFromJson = (json) => {
return JSON.parse(json);
};
const valueFromForm = (form) => {
let keymaps = undefined;
if (form.keymaps) {
keymaps = {};
for (let name of Object.keys(form.keymaps)) {
let keys = form.keymaps[name];
keymaps[keys] = operationFromFormName(name);
}
}
let search = undefined;
if (form.search) {
search = { default: form.search.default };
if (form.search.engines) {
search.engines = {};
for (let [name, url] of form.search.engines) {
search.engines[name] = url;
}
}
}
return {
keymaps,
search,
blacklist: form.blacklist,
properties: form.properties
};
};
const jsonFromValue = (value) => {
return JSON.stringify(value, undefined, 2);
};
const formFromValue = (value, allowedOps) => {
let keymaps = undefined;
if (value.keymaps) {
let allowedSet = new Set(allowedOps);
keymaps = {};
for (let keys of Object.keys(value.keymaps)) {
let op = operationToFormName(value.keymaps[keys]);
if (allowedSet.has(op)) {
keymaps[op] = keys;
}
}
}
let search = undefined;
if (value.search) {
search = { default: value.search.default };
if (value.search.engines) {
search.engines = Object.keys(value.search.engines).map((name) => {
return [name, value.search.engines[name]];
});
}
}
return {
keymaps,
search,
blacklist: value.blacklist,
properties: value.properties,
};
};
const jsonFromForm = (form) => {
return jsonFromValue(valueFromForm(form));
};
const formFromJson = (json, allowedOps) => {
let value = valueFromJson(json);
return formFromValue(value, allowedOps);
};
export {
valueFromJson, valueFromForm, jsonFromValue, formFromValue,
jsonFromForm, formFromJson
};
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