You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
59 lines
1.4 KiB
59 lines
1.4 KiB
/*
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
|
Author Tobias Koppers @sokra
|
|
*/
|
|
"use strict";
|
|
const NullDependency = require("./NullDependency");
|
|
|
|
class RequireEnsureDependency extends NullDependency {
|
|
constructor(block) {
|
|
super();
|
|
this.block = block;
|
|
}
|
|
|
|
get type() {
|
|
return "require.ensure";
|
|
}
|
|
}
|
|
|
|
RequireEnsureDependency.Template = class RequireEnsureDependencyTemplate {
|
|
apply(dep, source, runtime) {
|
|
const depBlock = dep.block;
|
|
const promise = runtime.blockPromise({
|
|
block: depBlock,
|
|
message: "require.ensure"
|
|
});
|
|
const errorCallbackExists =
|
|
depBlock.expr.arguments.length === 4 ||
|
|
(!depBlock.chunkName && depBlock.expr.arguments.length === 3);
|
|
const startBlock = `${promise}.then((`;
|
|
const middleBlock = ").bind(null, __webpack_require__)).catch(";
|
|
const endBlock = `).bind(null, __webpack_require__)).catch(${runtime.onError()})`;
|
|
source.replace(
|
|
depBlock.expr.range[0],
|
|
depBlock.expr.arguments[1].range[0] - 1,
|
|
startBlock
|
|
);
|
|
if (errorCallbackExists) {
|
|
source.replace(
|
|
depBlock.expr.arguments[1].range[1],
|
|
depBlock.expr.arguments[2].range[0] - 1,
|
|
middleBlock
|
|
);
|
|
source.replace(
|
|
depBlock.expr.arguments[2].range[1],
|
|
depBlock.expr.range[1] - 1,
|
|
")"
|
|
);
|
|
} else {
|
|
source.replace(
|
|
depBlock.expr.arguments[1].range[1],
|
|
depBlock.expr.range[1] - 1,
|
|
endBlock
|
|
);
|
|
}
|
|
}
|
|
};
|
|
|
|
module.exports = RequireEnsureDependency;
|